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2193 lines
69 KiB
C
2193 lines
69 KiB
C
/*
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SDL_image: An example image loading library for use with SDL
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Copyright (C) 1997-2023 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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/**
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* \file SDL_image.h
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*
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* Header file for SDL_image library
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*
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* A simple library to load images of various formats as SDL surfaces
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*/
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#ifndef SDL_IMAGE_H_
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#define SDL_IMAGE_H_
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#include "SDL.h"
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#include "SDL_version.h"
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#include "begin_code.h"
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Printable format: "%d.%d.%d", MAJOR, MINOR, PATCHLEVEL
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*/
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#define SDL_IMAGE_MAJOR_VERSION 2
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#define SDL_IMAGE_MINOR_VERSION 8
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#define SDL_IMAGE_PATCHLEVEL 1
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/**
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* This macro can be used to fill a version structure with the compile-time
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* version of the SDL_image library.
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*/
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#define SDL_IMAGE_VERSION(X) \
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{ \
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(X)->major = SDL_IMAGE_MAJOR_VERSION; \
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(X)->minor = SDL_IMAGE_MINOR_VERSION; \
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(X)->patch = SDL_IMAGE_PATCHLEVEL; \
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}
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#if SDL_IMAGE_MAJOR_VERSION < 3 && SDL_MAJOR_VERSION < 3
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/**
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* This is the version number macro for the current SDL_image version.
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*
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* In versions higher than 2.9.0, the minor version overflows into
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* the thousands digit: for example, 2.23.0 is encoded as 4300.
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* This macro will not be available in SDL 3.x or SDL_image 3.x.
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*
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* Deprecated, use SDL_IMAGE_VERSION_ATLEAST or SDL_IMAGE_VERSION instead.
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*/
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#define SDL_IMAGE_COMPILEDVERSION \
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SDL_VERSIONNUM(SDL_IMAGE_MAJOR_VERSION, SDL_IMAGE_MINOR_VERSION, SDL_IMAGE_PATCHLEVEL)
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#endif /* SDL_IMAGE_MAJOR_VERSION < 3 && SDL_MAJOR_VERSION < 3 */
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/**
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* This macro will evaluate to true if compiled with SDL_image at least X.Y.Z.
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*/
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#define SDL_IMAGE_VERSION_ATLEAST(X, Y, Z) \
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((SDL_IMAGE_MAJOR_VERSION >= X) && \
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(SDL_IMAGE_MAJOR_VERSION > X || SDL_IMAGE_MINOR_VERSION >= Y) && \
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(SDL_IMAGE_MAJOR_VERSION > X || SDL_IMAGE_MINOR_VERSION > Y || SDL_IMAGE_PATCHLEVEL >= Z))
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/**
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* This function gets the version of the dynamically linked SDL_image library.
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*
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* it should NOT be used to fill a version structure, instead you should use
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* the SDL_IMAGE_VERSION() macro.
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*
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* \returns SDL_image version
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*/
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extern DECLSPEC const SDL_version * SDLCALL IMG_Linked_Version(void);
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/**
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* Initialization flags
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*/
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typedef enum
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{
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IMG_INIT_JPG = 0x00000001,
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IMG_INIT_PNG = 0x00000002,
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IMG_INIT_TIF = 0x00000004,
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IMG_INIT_WEBP = 0x00000008,
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IMG_INIT_JXL = 0x00000010,
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IMG_INIT_AVIF = 0x00000020
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} IMG_InitFlags;
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/**
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* Initialize SDL_image.
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*
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* This function loads dynamic libraries that SDL_image needs, and prepares
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* them for use. This must be the first function you call in SDL_image, and if
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* it fails you should not continue with the library.
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*
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* Flags should be one or more flags from IMG_InitFlags OR'd together. It
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* returns the flags successfully initialized, or 0 on failure.
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*
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* Currently, these flags are:
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*
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* - `IMG_INIT_JPG`
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* - `IMG_INIT_PNG`
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* - `IMG_INIT_TIF`
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* - `IMG_INIT_WEBP`
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* - `IMG_INIT_JXL`
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* - `IMG_INIT_AVIF`
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*
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* More flags may be added in a future SDL_image release.
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*
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* This function may need to load external shared libraries to support various
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* codecs, which means this function can fail to initialize that support on an
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* otherwise-reasonable system if the library isn't available; this is not
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* just a question of exceptional circumstances like running out of memory at
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* startup!
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*
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* Note that you may call this function more than once to initialize with
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* additional flags. The return value will reflect both new flags that
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* successfully initialized, and also include flags that had previously been
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* initialized as well.
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*
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* As this will return previously-initialized flags, it's legal to call this
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* with zero (no flags set). This is a safe no-op that can be used to query
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* the current initialization state without changing it at all.
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*
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* Since this returns previously-initialized flags as well as new ones, and
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* you can call this with zero, you should not check for a zero return value
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* to determine an error condition. Instead, you should check to make sure all
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* the flags you require are set in the return value. If you have a game with
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* data in a specific format, this might be a fatal error. If you're a generic
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* image displaying app, perhaps you are fine with only having JPG and PNG
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* support and can live without WEBP, even if you request support for
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* everything.
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*
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* Unlike other SDL satellite libraries, calls to IMG_Init do not stack; a
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* single call to IMG_Quit() will deinitialize everything and does not have to
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* be paired with a matching IMG_Init call. For that reason, it's considered
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* best practices to have a single IMG_Init and IMG_Quit call in your program.
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* While this isn't required, be aware of the risks of deviating from that
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* behavior.
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*
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* After initializing SDL_image, the app may begin to load images into
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* SDL_Surfaces or SDL_Textures.
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*
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* \param flags initialization flags, OR'd together.
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* \returns all currently initialized flags.
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*
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* \since This function is available since SDL_image 2.0.0.
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*
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* \sa IMG_Quit
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*/
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extern DECLSPEC int SDLCALL IMG_Init(int flags);
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/**
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* Deinitialize SDL_image.
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*
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* This should be the last function you call in SDL_image, after freeing all
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* other resources. This will unload any shared libraries it is using for
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* various codecs.
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*
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* After this call, a call to IMG_Init(0) will return 0 (no codecs loaded).
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*
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* You can safely call IMG_Init() to reload various codec support after this
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* call.
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*
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* Unlike other SDL satellite libraries, calls to IMG_Init do not stack; a
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* single call to IMG_Quit() will deinitialize everything and does not have to
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* be paired with a matching IMG_Init call. For that reason, it's considered
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* best practices to have a single IMG_Init and IMG_Quit call in your program.
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* While this isn't required, be aware of the risks of deviating from that
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* behavior.
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*
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* \since This function is available since SDL_image 2.0.0.
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*
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* \sa IMG_Init
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*/
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extern DECLSPEC void SDLCALL IMG_Quit(void);
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/**
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* Load an image from an SDL data source into a software surface.
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*
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* An SDL_Surface is a buffer of pixels in memory accessible by the CPU. Use
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* this if you plan to hand the data to something else or manipulate it
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* further in code.
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*
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* There are no guarantees about what format the new SDL_Surface data will be;
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* in many cases, SDL_image will attempt to supply a surface that exactly
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* matches the provided image, but in others it might have to convert (either
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* because the image is in a format that SDL doesn't directly support or
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* because it's compressed data that could reasonably uncompress to various
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* formats and SDL_image had to pick one). You can inspect an SDL_Surface for
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* its specifics, and use SDL_ConvertSurface to then migrate to any supported
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* format.
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*
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* If the image format supports a transparent pixel, SDL will set the colorkey
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* for the surface. You can enable RLE acceleration on the surface afterwards
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* by calling: SDL_SetColorKey(image, SDL_RLEACCEL, image->format->colorkey);
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*
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* If `freesrc` is non-zero, the RWops will be closed before returning,
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* whether this function succeeds or not. SDL_image reads everything it needs
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* from the RWops during this call in any case.
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*
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* Even though this function accepts a file type, SDL_image may still try
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* other decoders that are capable of detecting file type from the contents of
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* the image data, but may rely on the caller-provided type string for formats
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* that it cannot autodetect. If `type` is NULL, SDL_image will rely solely on
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* its ability to guess the format.
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*
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* There is a separate function to read files from disk without having to deal
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* with SDL_RWops: `IMG_Load("filename.jpg")` will call this function and
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* manage those details for you, determining the file type from the filename's
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* extension.
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*
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* There is also IMG_Load_RW(), which is equivalent to this function except
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* that it will rely on SDL_image to determine what type of data it is
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* loading, much like passing a NULL for type.
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*
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* If you are using SDL's 2D rendering API, there is an equivalent call to
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* load images directly into an SDL_Texture for use by the GPU without using a
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* software surface: call IMG_LoadTextureTyped_RW() instead.
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*
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* When done with the returned surface, the app should dispose of it with a
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* call to SDL_FreeSurface().
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*
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* \param src an SDL_RWops that data will be read from.
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* \param freesrc non-zero to close/free the SDL_RWops before returning, zero
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* to leave it open.
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* \param type a filename extension that represent this data ("BMP", "GIF",
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* "PNG", etc).
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* \returns a new SDL surface, or NULL on error.
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*
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* \since This function is available since SDL_image 2.0.0.
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*
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* \sa IMG_Load
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* \sa IMG_Load_RW
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* \sa SDL_FreeSurface
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*/
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extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadTyped_RW(SDL_RWops *src, int freesrc, const char *type);
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/**
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* Load an image from a filesystem path into a software surface.
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*
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* An SDL_Surface is a buffer of pixels in memory accessible by the CPU. Use
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* this if you plan to hand the data to something else or manipulate it
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* further in code.
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*
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* There are no guarantees about what format the new SDL_Surface data will be;
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* in many cases, SDL_image will attempt to supply a surface that exactly
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* matches the provided image, but in others it might have to convert (either
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* because the image is in a format that SDL doesn't directly support or
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* because it's compressed data that could reasonably uncompress to various
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* formats and SDL_image had to pick one). You can inspect an SDL_Surface for
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* its specifics, and use SDL_ConvertSurface to then migrate to any supported
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* format.
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*
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* If the image format supports a transparent pixel, SDL will set the colorkey
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* for the surface. You can enable RLE acceleration on the surface afterwards
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* by calling: SDL_SetColorKey(image, SDL_RLEACCEL, image->format->colorkey);
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*
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* There is a separate function to read files from an SDL_RWops, if you need
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* an i/o abstraction to provide data from anywhere instead of a simple
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* filesystem read; that function is IMG_Load_RW().
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*
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* If you are using SDL's 2D rendering API, there is an equivalent call to
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* load images directly into an SDL_Texture for use by the GPU without using a
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* software surface: call IMG_LoadTexture() instead.
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*
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* When done with the returned surface, the app should dispose of it with a
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* call to SDL_FreeSurface().
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*
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* \param file a path on the filesystem to load an image from.
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* \returns a new SDL surface, or NULL on error.
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*
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* \since This function is available since SDL_image 2.0.0.
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*
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* \sa IMG_LoadTyped_RW
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* \sa IMG_Load_RW
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* \sa SDL_FreeSurface
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*/
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extern DECLSPEC SDL_Surface * SDLCALL IMG_Load(const char *file);
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/**
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* Load an image from an SDL data source into a software surface.
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*
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* An SDL_Surface is a buffer of pixels in memory accessible by the CPU. Use
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* this if you plan to hand the data to something else or manipulate it
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* further in code.
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*
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* There are no guarantees about what format the new SDL_Surface data will be;
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* in many cases, SDL_image will attempt to supply a surface that exactly
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* matches the provided image, but in others it might have to convert (either
|
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* because the image is in a format that SDL doesn't directly support or
|
|
* because it's compressed data that could reasonably uncompress to various
|
|
* formats and SDL_image had to pick one). You can inspect an SDL_Surface for
|
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* its specifics, and use SDL_ConvertSurface to then migrate to any supported
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|
* format.
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*
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* If the image format supports a transparent pixel, SDL will set the colorkey
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* for the surface. You can enable RLE acceleration on the surface afterwards
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* by calling: SDL_SetColorKey(image, SDL_RLEACCEL, image->format->colorkey);
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*
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* If `freesrc` is non-zero, the RWops will be closed before returning,
|
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* whether this function succeeds or not. SDL_image reads everything it needs
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* from the RWops during this call in any case.
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*
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* There is a separate function to read files from disk without having to deal
|
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* with SDL_RWops: `IMG_Load("filename.jpg")` will call this function and
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|
* manage those details for you, determining the file type from the filename's
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|
* extension.
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*
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* There is also IMG_LoadTyped_RW(), which is equivalent to this function
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* except a file extension (like "BMP", "JPG", etc) can be specified, in case
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|
* SDL_image cannot autodetect the file format.
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|
*
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|
* If you are using SDL's 2D rendering API, there is an equivalent call to
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|
* load images directly into an SDL_Texture for use by the GPU without using a
|
|
* software surface: call IMG_LoadTexture_RW() instead.
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*
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* When done with the returned surface, the app should dispose of it with a
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* call to SDL_FreeSurface().
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*
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* \param src an SDL_RWops that data will be read from.
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* \param freesrc non-zero to close/free the SDL_RWops before returning, zero
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* to leave it open.
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* \returns a new SDL surface, or NULL on error.
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*
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* \since This function is available since SDL_image 2.0.0.
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*
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* \sa IMG_Load
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* \sa IMG_LoadTyped_RW
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* \sa SDL_FreeSurface
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*/
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extern DECLSPEC SDL_Surface * SDLCALL IMG_Load_RW(SDL_RWops *src, int freesrc);
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#if SDL_VERSION_ATLEAST(2,0,0)
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/**
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* Load an image from a filesystem path into a GPU texture.
|
|
*
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|
* An SDL_Texture represents an image in GPU memory, usable by SDL's 2D Render
|
|
* API. This can be significantly more efficient than using a CPU-bound
|
|
* SDL_Surface if you don't need to manipulate the image directly after
|
|
* loading it.
|
|
*
|
|
* If the loaded image has transparency or a colorkey, a texture with an alpha
|
|
* channel will be created. Otherwise, SDL_image will attempt to create an
|
|
* SDL_Texture in the most format that most reasonably represents the image
|
|
* data (but in many cases, this will just end up being 32-bit RGB or 32-bit
|
|
* RGBA).
|
|
*
|
|
* There is a separate function to read files from an SDL_RWops, if you need
|
|
* an i/o abstraction to provide data from anywhere instead of a simple
|
|
* filesystem read; that function is IMG_LoadTexture_RW().
|
|
*
|
|
* If you would rather decode an image to an SDL_Surface (a buffer of pixels
|
|
* in CPU memory), call IMG_Load() instead.
|
|
*
|
|
* When done with the returned texture, the app should dispose of it with a
|
|
* call to SDL_DestroyTexture().
|
|
*
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|
* \param renderer the SDL_Renderer to use to create the GPU texture.
|
|
* \param file a path on the filesystem to load an image from.
|
|
* \returns a new texture, or NULL on error.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
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* \sa IMG_LoadTextureTyped_RW
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|
* \sa IMG_LoadTexture_RW
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|
* \sa SDL_DestroyTexture
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|
*/
|
|
extern DECLSPEC SDL_Texture * SDLCALL IMG_LoadTexture(SDL_Renderer *renderer, const char *file);
|
|
|
|
/**
|
|
* Load an image from an SDL data source into a GPU texture.
|
|
*
|
|
* An SDL_Texture represents an image in GPU memory, usable by SDL's 2D Render
|
|
* API. This can be significantly more efficient than using a CPU-bound
|
|
* SDL_Surface if you don't need to manipulate the image directly after
|
|
* loading it.
|
|
*
|
|
* If the loaded image has transparency or a colorkey, a texture with an alpha
|
|
* channel will be created. Otherwise, SDL_image will attempt to create an
|
|
* SDL_Texture in the most format that most reasonably represents the image
|
|
* data (but in many cases, this will just end up being 32-bit RGB or 32-bit
|
|
* RGBA).
|
|
*
|
|
* If `freesrc` is non-zero, the RWops will be closed before returning,
|
|
* whether this function succeeds or not. SDL_image reads everything it needs
|
|
* from the RWops during this call in any case.
|
|
*
|
|
* There is a separate function to read files from disk without having to deal
|
|
* with SDL_RWops: `IMG_LoadTexture(renderer, "filename.jpg")` will call this
|
|
* function and manage those details for you, determining the file type from
|
|
* the filename's extension.
|
|
*
|
|
* There is also IMG_LoadTextureTyped_RW(), which is equivalent to this
|
|
* function except a file extension (like "BMP", "JPG", etc) can be specified,
|
|
* in case SDL_image cannot autodetect the file format.
|
|
*
|
|
* If you would rather decode an image to an SDL_Surface (a buffer of pixels
|
|
* in CPU memory), call IMG_Load() instead.
|
|
*
|
|
* When done with the returned texture, the app should dispose of it with a
|
|
* call to SDL_DestroyTexture().
|
|
*
|
|
* \param renderer the SDL_Renderer to use to create the GPU texture.
|
|
* \param src an SDL_RWops that data will be read from.
|
|
* \param freesrc non-zero to close/free the SDL_RWops before returning, zero
|
|
* to leave it open.
|
|
* \returns a new texture, or NULL on error.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadTexture
|
|
* \sa IMG_LoadTextureTyped_RW
|
|
* \sa SDL_DestroyTexture
|
|
*/
|
|
extern DECLSPEC SDL_Texture * SDLCALL IMG_LoadTexture_RW(SDL_Renderer *renderer, SDL_RWops *src, int freesrc);
|
|
|
|
/**
|
|
* Load an image from an SDL data source into a GPU texture.
|
|
*
|
|
* An SDL_Texture represents an image in GPU memory, usable by SDL's 2D Render
|
|
* API. This can be significantly more efficient than using a CPU-bound
|
|
* SDL_Surface if you don't need to manipulate the image directly after
|
|
* loading it.
|
|
*
|
|
* If the loaded image has transparency or a colorkey, a texture with an alpha
|
|
* channel will be created. Otherwise, SDL_image will attempt to create an
|
|
* SDL_Texture in the most format that most reasonably represents the image
|
|
* data (but in many cases, this will just end up being 32-bit RGB or 32-bit
|
|
* RGBA).
|
|
*
|
|
* If `freesrc` is non-zero, the RWops will be closed before returning,
|
|
* whether this function succeeds or not. SDL_image reads everything it needs
|
|
* from the RWops during this call in any case.
|
|
*
|
|
* Even though this function accepts a file type, SDL_image may still try
|
|
* other decoders that are capable of detecting file type from the contents of
|
|
* the image data, but may rely on the caller-provided type string for formats
|
|
* that it cannot autodetect. If `type` is NULL, SDL_image will rely solely on
|
|
* its ability to guess the format.
|
|
*
|
|
* There is a separate function to read files from disk without having to deal
|
|
* with SDL_RWops: `IMG_LoadTexture("filename.jpg")` will call this function
|
|
* and manage those details for you, determining the file type from the
|
|
* filename's extension.
|
|
*
|
|
* There is also IMG_LoadTexture_RW(), which is equivalent to this function
|
|
* except that it will rely on SDL_image to determine what type of data it is
|
|
* loading, much like passing a NULL for type.
|
|
*
|
|
* If you would rather decode an image to an SDL_Surface (a buffer of pixels
|
|
* in CPU memory), call IMG_LoadTyped_RW() instead.
|
|
*
|
|
* When done with the returned texture, the app should dispose of it with a
|
|
* call to SDL_DestroyTexture().
|
|
*
|
|
* \param renderer the SDL_Renderer to use to create the GPU texture.
|
|
* \param src an SDL_RWops that data will be read from.
|
|
* \param freesrc non-zero to close/free the SDL_RWops before returning, zero
|
|
* to leave it open.
|
|
* \param type a filename extension that represent this data ("BMP", "GIF",
|
|
* "PNG", etc).
|
|
* \returns a new texture, or NULL on error.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadTexture
|
|
* \sa IMG_LoadTexture_RW
|
|
* \sa SDL_DestroyTexture
|
|
*/
|
|
extern DECLSPEC SDL_Texture * SDLCALL IMG_LoadTextureTyped_RW(SDL_Renderer *renderer, SDL_RWops *src, int freesrc, const char *type);
|
|
#endif /* SDL 2.0 */
|
|
|
|
/**
|
|
* Detect AVIF image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is AVIF data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.6.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isAVIF(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect ICO image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is ICO data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isICO(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect CUR image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is CUR data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isCUR(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect BMP image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is BMP data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isBMP(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect GIF image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is GIF data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isGIF(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect JPG image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is JPG data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isJPG(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect JXL image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is JXL data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.6.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isJXL(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect LBM image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is LBM data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isLBM(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect PCX image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is PCX data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isPCX(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect PNG image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is PNG data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isPNG(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect PNM image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is PNM data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isPNM(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect SVG image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is SVG data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.2.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isSVG(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect QOI image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is QOI data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.6.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isQOI(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect TIFF image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is TIFF data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isTIF(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect XCF image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is XCF data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isXCF(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect XPM image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is XPM data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXV
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isXPM(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect XV image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is XV data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isWEBP
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isXV(SDL_RWops *src);
|
|
|
|
/**
|
|
* Detect WEBP image data on a readable/seekable SDL_RWops.
|
|
*
|
|
* This function attempts to determine if a file is a given filetype, reading
|
|
* the least amount possible from the SDL_RWops (usually a few bytes).
|
|
*
|
|
* There is no distinction made between "not the filetype in question" and
|
|
* basic i/o errors.
|
|
*
|
|
* This function will always attempt to seek the RWops back to where it
|
|
* started when this function was called, but it will not report any errors in
|
|
* doing so, but assuming seeking works, this means you can immediately use
|
|
* this with a different IMG_isTYPE function, or load the image without
|
|
* further seeking.
|
|
*
|
|
* You do not need to call this function to load data; SDL_image can work to
|
|
* determine file type in many cases in its standard load functions.
|
|
*
|
|
* \param src a seekable/readable SDL_RWops to provide image data.
|
|
* \returns non-zero if this is WEBP data, zero otherwise.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_isAVIF
|
|
* \sa IMG_isICO
|
|
* \sa IMG_isCUR
|
|
* \sa IMG_isBMP
|
|
* \sa IMG_isGIF
|
|
* \sa IMG_isJPG
|
|
* \sa IMG_isJXL
|
|
* \sa IMG_isLBM
|
|
* \sa IMG_isPCX
|
|
* \sa IMG_isPNG
|
|
* \sa IMG_isPNM
|
|
* \sa IMG_isSVG
|
|
* \sa IMG_isQOI
|
|
* \sa IMG_isTIF
|
|
* \sa IMG_isXCF
|
|
* \sa IMG_isXPM
|
|
* \sa IMG_isXV
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_isWEBP(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a AVIF image directly.
|
|
*
|
|
* If you know you definitely have a AVIF image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.6.0.
|
|
*
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadAVIF_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a ICO image directly.
|
|
*
|
|
* If you know you definitely have a ICO image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadICO_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a CUR image directly.
|
|
*
|
|
* If you know you definitely have a CUR image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadCUR_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a BMP image directly.
|
|
*
|
|
* If you know you definitely have a BMP image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadBMP_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a GIF image directly.
|
|
*
|
|
* If you know you definitely have a GIF image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadGIF_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a JPG image directly.
|
|
*
|
|
* If you know you definitely have a JPG image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadJPG_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a JXL image directly.
|
|
*
|
|
* If you know you definitely have a JXL image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.6.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadJXL_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a LBM image directly.
|
|
*
|
|
* If you know you definitely have a LBM image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadLBM_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a PCX image directly.
|
|
*
|
|
* If you know you definitely have a PCX image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadPCX_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a PNG image directly.
|
|
*
|
|
* If you know you definitely have a PNG image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadPNG_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a PNM image directly.
|
|
*
|
|
* If you know you definitely have a PNM image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadPNM_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a SVG image directly.
|
|
*
|
|
* If you know you definitely have a SVG image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.2.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadSVG_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a QOI image directly.
|
|
*
|
|
* If you know you definitely have a QOI image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.6.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadQOI_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a TGA image directly.
|
|
*
|
|
* If you know you definitely have a TGA image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadTGA_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a TIFF image directly.
|
|
*
|
|
* If you know you definitely have a TIFF image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadTIF_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a XCF image directly.
|
|
*
|
|
* If you know you definitely have a XCF image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadXCF_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a XPM image directly.
|
|
*
|
|
* If you know you definitely have a XPM image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXV_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadXPM_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a XV image directly.
|
|
*
|
|
* If you know you definitely have a XV image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadWEBP_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadXV_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a WEBP image directly.
|
|
*
|
|
* If you know you definitely have a WEBP image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops to load image data from.
|
|
* \returns SDL surface, or NULL on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_LoadAVIF_RW
|
|
* \sa IMG_LoadICO_RW
|
|
* \sa IMG_LoadCUR_RW
|
|
* \sa IMG_LoadBMP_RW
|
|
* \sa IMG_LoadGIF_RW
|
|
* \sa IMG_LoadJPG_RW
|
|
* \sa IMG_LoadJXL_RW
|
|
* \sa IMG_LoadLBM_RW
|
|
* \sa IMG_LoadPCX_RW
|
|
* \sa IMG_LoadPNG_RW
|
|
* \sa IMG_LoadPNM_RW
|
|
* \sa IMG_LoadSVG_RW
|
|
* \sa IMG_LoadQOI_RW
|
|
* \sa IMG_LoadTGA_RW
|
|
* \sa IMG_LoadTIF_RW
|
|
* \sa IMG_LoadXCF_RW
|
|
* \sa IMG_LoadXPM_RW
|
|
* \sa IMG_LoadXV_RW
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadWEBP_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load an SVG image, scaled to a specific size.
|
|
*
|
|
* Since SVG files are resolution-independent, you specify the size you would
|
|
* like the output image to be and it will be generated at those dimensions.
|
|
*
|
|
* Either width or height may be 0 and the image will be auto-sized to
|
|
* preserve aspect ratio.
|
|
*
|
|
* When done with the returned surface, the app should dispose of it with a
|
|
* call to SDL_FreeSurface().
|
|
*
|
|
* \param src an SDL_RWops to load SVG data from.
|
|
* \param width desired width of the generated surface, in pixels.
|
|
* \param height desired height of the generated surface, in pixels.
|
|
* \returns a new SDL surface, or NULL on error.
|
|
*
|
|
* \since This function is available since SDL_image 2.6.0.
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_LoadSizedSVG_RW(SDL_RWops *src, int width, int height);
|
|
|
|
/**
|
|
* Load an XPM image from a memory array.
|
|
*
|
|
* The returned surface will be an 8bpp indexed surface, if possible,
|
|
* otherwise it will be 32bpp. If you always want 32-bit data, use
|
|
* IMG_ReadXPMFromArrayToRGB888() instead.
|
|
*
|
|
* When done with the returned surface, the app should dispose of it with a
|
|
* call to SDL_FreeSurface().
|
|
*
|
|
* \param xpm a null-terminated array of strings that comprise XPM data.
|
|
* \returns a new SDL surface, or NULL on error.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_ReadXPMFromArrayToRGB888
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_ReadXPMFromArray(char **xpm);
|
|
|
|
/**
|
|
* Load an XPM image from a memory array.
|
|
*
|
|
* The returned surface will always be a 32-bit RGB surface. If you want 8-bit
|
|
* indexed colors (and the XPM data allows it), use IMG_ReadXPMFromArray()
|
|
* instead.
|
|
*
|
|
* When done with the returned surface, the app should dispose of it with a
|
|
* call to SDL_FreeSurface().
|
|
*
|
|
* \param xpm a null-terminated array of strings that comprise XPM data.
|
|
* \returns a new SDL surface, or NULL on error.
|
|
*
|
|
* \since This function is available since SDL_image 2.6.0.
|
|
*
|
|
* \sa IMG_ReadXPMFromArray
|
|
*/
|
|
extern DECLSPEC SDL_Surface * SDLCALL IMG_ReadXPMFromArrayToRGB888(char **xpm);
|
|
|
|
/**
|
|
* Save an SDL_Surface into a PNG image file.
|
|
*
|
|
* If the file already exists, it will be overwritten.
|
|
*
|
|
* \param surface the SDL surface to save
|
|
* \param file path on the filesystem to write new file to.
|
|
* \returns 0 if successful, -1 on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_SavePNG_RW
|
|
* \sa IMG_SaveJPG
|
|
* \sa IMG_SaveJPG_RW
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_SavePNG(SDL_Surface *surface, const char *file);
|
|
|
|
/**
|
|
* Save an SDL_Surface into PNG image data, via an SDL_RWops.
|
|
*
|
|
* If you just want to save to a filename, you can use IMG_SavePNG() instead.
|
|
*
|
|
* \param surface the SDL surface to save
|
|
* \param dst the SDL_RWops to save the image data to.
|
|
* \returns 0 if successful, -1 on error.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.0.
|
|
*
|
|
* \sa IMG_SavePNG
|
|
* \sa IMG_SaveJPG
|
|
* \sa IMG_SaveJPG_RW
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_SavePNG_RW(SDL_Surface *surface, SDL_RWops *dst, int freedst);
|
|
|
|
/**
|
|
* Save an SDL_Surface into a JPEG image file.
|
|
*
|
|
* If the file already exists, it will be overwritten.
|
|
*
|
|
* \param surface the SDL surface to save
|
|
* \param file path on the filesystem to write new file to.
|
|
* \param quality [0; 33] is Lowest quality, [34; 66] is Middle quality, [67;
|
|
* 100] is Highest quality
|
|
* \returns 0 if successful, -1 on error
|
|
*
|
|
* \since This function is available since SDL_image 2.0.2.
|
|
*
|
|
* \sa IMG_SaveJPG_RW
|
|
* \sa IMG_SavePNG
|
|
* \sa IMG_SavePNG_RW
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_SaveJPG(SDL_Surface *surface, const char *file, int quality);
|
|
|
|
/**
|
|
* Save an SDL_Surface into JPEG image data, via an SDL_RWops.
|
|
*
|
|
* If you just want to save to a filename, you can use IMG_SaveJPG() instead.
|
|
*
|
|
* \param surface the SDL surface to save
|
|
* \param dst the SDL_RWops to save the image data to.
|
|
* \returns 0 if successful, -1 on error.
|
|
*
|
|
* \since This function is available since SDL_image 2.0.2.
|
|
*
|
|
* \sa IMG_SaveJPG
|
|
* \sa IMG_SavePNG
|
|
* \sa IMG_SavePNG_RW
|
|
*/
|
|
extern DECLSPEC int SDLCALL IMG_SaveJPG_RW(SDL_Surface *surface, SDL_RWops *dst, int freedst, int quality);
|
|
|
|
/**
|
|
* Animated image support
|
|
* Currently only animated GIFs are supported.
|
|
*/
|
|
typedef struct
|
|
{
|
|
int w, h;
|
|
int count;
|
|
SDL_Surface **frames;
|
|
int *delays;
|
|
} IMG_Animation;
|
|
|
|
/**
|
|
* Load an animation from a file.
|
|
*
|
|
* When done with the returned animation, the app should dispose of it with a
|
|
* call to IMG_FreeAnimation().
|
|
*
|
|
* \param file path on the filesystem containing an animated image.
|
|
* \returns a new IMG_Animation, or NULL on error.
|
|
*
|
|
* \since This function is available since SDL_image 2.6.0.
|
|
*
|
|
* \sa IMG_FreeAnimation
|
|
*/
|
|
extern DECLSPEC IMG_Animation * SDLCALL IMG_LoadAnimation(const char *file);
|
|
|
|
/**
|
|
* Load an animation from an SDL_RWops.
|
|
*
|
|
* If `freesrc` is non-zero, the RWops will be closed before returning,
|
|
* whether this function succeeds or not. SDL_image reads everything it needs
|
|
* from the RWops during this call in any case.
|
|
*
|
|
* When done with the returned animation, the app should dispose of it with a
|
|
* call to IMG_FreeAnimation().
|
|
*
|
|
* \param src an SDL_RWops that data will be read from.
|
|
* \param freesrc non-zero to close/free the SDL_RWops before returning, zero
|
|
* to leave it open.
|
|
* \returns a new IMG_Animation, or NULL on error.
|
|
*
|
|
* \since This function is available since SDL_image 2.6.0.
|
|
*
|
|
* \sa IMG_FreeAnimation
|
|
*/
|
|
extern DECLSPEC IMG_Animation * SDLCALL IMG_LoadAnimation_RW(SDL_RWops *src, int freesrc);
|
|
|
|
/**
|
|
* Load an animation from an SDL datasource
|
|
*
|
|
* Even though this function accepts a file type, SDL_image may still try
|
|
* other decoders that are capable of detecting file type from the contents of
|
|
* the image data, but may rely on the caller-provided type string for formats
|
|
* that it cannot autodetect. If `type` is NULL, SDL_image will rely solely on
|
|
* its ability to guess the format.
|
|
*
|
|
* If `freesrc` is non-zero, the RWops will be closed before returning,
|
|
* whether this function succeeds or not. SDL_image reads everything it needs
|
|
* from the RWops during this call in any case.
|
|
*
|
|
* When done with the returned animation, the app should dispose of it with a
|
|
* call to IMG_FreeAnimation().
|
|
*
|
|
* \param src an SDL_RWops that data will be read from.
|
|
* \param freesrc non-zero to close/free the SDL_RWops before returning, zero
|
|
* to leave it open.
|
|
* \param type a filename extension that represent this data ("GIF", etc).
|
|
* \returns a new IMG_Animation, or NULL on error.
|
|
*
|
|
* \since This function is available since SDL_image 2.6.0.
|
|
*
|
|
* \sa IMG_LoadAnimation
|
|
* \sa IMG_LoadAnimation_RW
|
|
* \sa IMG_FreeAnimation
|
|
*/
|
|
extern DECLSPEC IMG_Animation * SDLCALL IMG_LoadAnimationTyped_RW(SDL_RWops *src, int freesrc, const char *type);
|
|
|
|
/**
|
|
* Dispose of an IMG_Animation and free its resources.
|
|
*
|
|
* The provided `anim` pointer is not valid once this call returns.
|
|
*
|
|
* \param anim IMG_Animation to dispose of.
|
|
*
|
|
* \since This function is available since SDL_image 2.6.0.
|
|
*
|
|
* \sa IMG_LoadAnimation
|
|
* \sa IMG_LoadAnimation_RW
|
|
* \sa IMG_LoadAnimationTyped_RW
|
|
*/
|
|
extern DECLSPEC void SDLCALL IMG_FreeAnimation(IMG_Animation *anim);
|
|
|
|
/**
|
|
* Load a GIF animation directly.
|
|
*
|
|
* If you know you definitely have a GIF image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops that data will be read from.
|
|
* \returns a new IMG_Animation, or NULL on error.
|
|
*
|
|
* \since This function is available since SDL_image 2.6.0.
|
|
*
|
|
* \sa IMG_LoadAnimation
|
|
* \sa IMG_LoadAnimation_RW
|
|
* \sa IMG_LoadAnimationTyped_RW
|
|
* \sa IMG_FreeAnimation
|
|
*/
|
|
extern DECLSPEC IMG_Animation * SDLCALL IMG_LoadGIFAnimation_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Load a WEBP animation directly.
|
|
*
|
|
* If you know you definitely have a WEBP image, you can call this function,
|
|
* which will skip SDL_image's file format detection routines. Generally it's
|
|
* better to use the abstract interfaces; also, there is only an SDL_RWops
|
|
* interface available here.
|
|
*
|
|
* \param src an SDL_RWops that data will be read from.
|
|
* \returns a new IMG_Animation, or NULL on error.
|
|
*
|
|
* \since This function is available since SDL_image 2.6.0.
|
|
*
|
|
* \sa IMG_LoadAnimation
|
|
* \sa IMG_LoadAnimation_RW
|
|
* \sa IMG_LoadAnimationTyped_RW
|
|
* \sa IMG_FreeAnimation
|
|
*/
|
|
extern DECLSPEC IMG_Animation * SDLCALL IMG_LoadWEBPAnimation_RW(SDL_RWops *src);
|
|
|
|
/**
|
|
* Report SDL_image errors
|
|
*
|
|
* \sa IMG_GetError
|
|
*/
|
|
#define IMG_SetError SDL_SetError
|
|
|
|
/**
|
|
* Get last SDL_image error
|
|
*
|
|
* \sa IMG_SetError
|
|
*/
|
|
#define IMG_GetError SDL_GetError
|
|
|
|
/* Ends C function definitions when using C++ */
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#include "close_code.h"
|
|
|
|
#endif /* SDL_IMAGE_H_ */
|