mirror of
https://github.com/DrBeef/QuakeQuest.git
synced 2024-12-22 10:31:24 +00:00
62 lines
3.5 KiB
C
62 lines
3.5 KiB
C
|
|
#ifndef IMAGE_H
|
|
#define IMAGE_H
|
|
|
|
extern int image_width, image_height;
|
|
|
|
|
|
// swizzle components (even converting number of components) and flip images
|
|
// (warning: input must be different than output due to non-linear read/write)
|
|
// (tip: component indices can contain values | 0x80000000 to tell it to
|
|
// store them directly into output, so 255 | 0x80000000 would write 255)
|
|
void Image_CopyMux(unsigned char *outpixels, const unsigned char *inpixels, int inputwidth, int inputheight, qboolean inputflipx, qboolean inputflipy, qboolean inputflipdiagonal, int numoutputcomponents, int numinputcomponents, int *outputinputcomponentindices);
|
|
|
|
// applies gamma correction to RGB pixels, in can be the same as out
|
|
void Image_GammaRemapRGB(const unsigned char *in, unsigned char *out, int pixels, const unsigned char *gammar, const unsigned char *gammag, const unsigned char *gammab);
|
|
|
|
// converts 8bit image data to BGRA, in can not be the same as out
|
|
void Image_Copy8bitBGRA(const unsigned char *in, unsigned char *out, int pixels, const unsigned int *pal);
|
|
|
|
void Image_StripImageExtension (const char *in, char *out, size_t size_out);
|
|
|
|
// called by conchars.tga loader in gl_draw.c, otherwise private
|
|
unsigned char *LoadTGA_BGRA (const unsigned char *f, int filesize, int *miplevel);
|
|
|
|
// loads a texture, as pixel data
|
|
unsigned char *loadimagepixelsbgra (const char *filename, qboolean complain, qboolean allowFixtrans, qboolean convertsRGB, int *miplevel);
|
|
|
|
// loads an 8bit pcx image into a 296x194x8bit buffer, with cropping as needed
|
|
qboolean LoadPCX_QWSkin(const unsigned char *f, int filesize, unsigned char *pixels, int outwidth, int outheight);
|
|
|
|
// loads a texture, as a texture
|
|
rtexture_t *loadtextureimage (rtexturepool_t *pool, const char *filename, qboolean complain, int flags, qboolean allowFixtrans, qboolean sRGB);
|
|
|
|
// writes an upside down BGR image into a TGA
|
|
qboolean Image_WriteTGABGR_preflipped (const char *filename, int width, int height, const unsigned char *data);
|
|
|
|
// writes a BGRA image into a TGA file
|
|
qboolean Image_WriteTGABGRA (const char *filename, int width, int height, const unsigned char *data);
|
|
|
|
// resizes the image (in can not be the same as out)
|
|
void Image_Resample32(const void *indata, int inwidth, int inheight, int indepth, void *outdata, int outwidth, int outheight, int outdepth, int quality);
|
|
|
|
// scales the image down by a power of 2 (in can be the same as out)
|
|
void Image_MipReduce32(const unsigned char *in, unsigned char *out, int *width, int *height, int *depth, int destwidth, int destheight, int destdepth);
|
|
|
|
void Image_HeightmapToNormalmap_BGRA(const unsigned char *inpixels, unsigned char *outpixels, int width, int height, int clamp, float bumpscale);
|
|
|
|
// console command to fix the colors of transparent pixels (to prevent weird borders)
|
|
void Image_FixTransparentPixels_f(void);
|
|
extern cvar_t r_fixtrans_auto;
|
|
|
|
#define Image_LinearFloatFromsRGBFloat(c) (((c) <= 0.04045f) ? (c) * (1.0f / 12.92f) : (float)pow(((c) + 0.055f)*(1.0f/1.055f), 2.4f))
|
|
#define Image_sRGBFloatFromLinearFloat(c) (((c) < 0.0031308f) ? (c) * 12.92f : 1.055f * (float)pow((c), 1.0f/2.4f) - 0.055f)
|
|
#define Image_LinearFloatFromsRGB(c) Image_LinearFloatFromsRGBFloat((c) * (1.0f / 255.0f))
|
|
#define Image_sRGBFloatFromLinear(c) Image_sRGBFloatFromLinearFloat((c) * (1.0f / 255.0f))
|
|
#define Image_sRGBFloatFromLinear_Lightmap(c) Image_sRGBFloatFromLinearFloat((c) * (2.0f / 255.0f)) * 0.5f
|
|
|
|
void Image_MakeLinearColorsFromsRGB(unsigned char *pout, const unsigned char *pin, int numpixels);
|
|
void Image_MakesRGBColorsFromLinear_Lightmap(unsigned char *pout, const unsigned char *pin, int numpixels);
|
|
|
|
#endif
|
|
|