Use resize stb image

This commit is contained in:
Denis Pauk 2019-01-30 23:06:25 +02:00
parent 1dfb54bf38
commit dcc2892de0
3 changed files with 42 additions and 9 deletions

View file

@ -41,6 +41,10 @@
#define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h"
// include resize implementation
#define STB_IMAGE_RESIZE_IMPLEMENTATION
#include "stb_image_resize.h"
/*
* origname: the filename to be opened, might be without extension
* type: extension of the type we wanna open ("jpg", "png" or "tga")
@ -89,5 +93,11 @@ LoadSTB(const char *origname, const char* type, byte **pic, int *width, int *hei
return true;
}
extern qboolean ResizeSTB(byte *input_pixels, int input_width, int input_height,
byte *output_pixels, int output_width, int output_height)
{
if (stbir_resize_uint8(input_pixels, input_width, input_height, 0,
output_pixels, output_width, output_height, 0, 4))
return true;
return false;
}

View file

@ -64,6 +64,8 @@ extern void LoadPCX(char *origname, byte **pic, byte **palette, int *width, int
extern void GetPCXInfo(char *filename, int *width, int *height);
extern qboolean LoadSTB(const char *origname, const char* type, byte **pic, int *width, int *height);
extern qboolean ResizeSTB(byte *input_pixels, int input_width, int input_height,
byte *output_pixels, int output_width, int output_height);
extern void GetWalInfo(char *name, int *width, int *height);

View file

@ -318,8 +318,10 @@ R_LoadHiColorImage(char *name, const char* namewe, const char *ext, imagetype_t
{
if (width >= realwidth && height >= realheight)
{
// resulted image
byte* pic8 = NULL;
size_t size;
// resulted image memory size
size_t size8;
if (realheight == 0 || realwidth == 0)
{
@ -327,14 +329,33 @@ R_LoadHiColorImage(char *name, const char* namewe, const char *ext, imagetype_t
realwidth = width;
}
size = R_GetImageMipsSize(width * height);
pic8 = malloc(size);
R_Convert32To8bit(pic, pic8, width * height);
size8 = R_GetImageMipsSize(width * height);
pic8 = malloc(size8);
if (width != realwidth || height != realheight)
{
R_ImageShrink(pic8, pic8, width, realwidth, height, realheight);
// temporary place for shrinked image
byte* pic32 = NULL;
// temporary image memory size
size_t size32;
// resize image
size32 = width * height * 4;
pic32 = malloc(size32);
if (ResizeSTB(pic, width, height,
pic32, realwidth, realheight))
{
R_Convert32To8bit(pic32, pic8, realwidth * realheight);
image = R_LoadPic(name, pic8, realwidth, realheight, type);
}
free(pic32);
}
else
{
R_Convert32To8bit(pic, pic8, width * height);
image = R_LoadPic(name, pic8, width, height, type);
}
image = R_LoadPic(name, pic8, realwidth, realheight, type);
free(pic8);
}
}
@ -353,7 +374,7 @@ R_LoadImage(char *name, const char* namewe, const char *ext, imagetype_t type)
image_t *image = NULL;
// with retexturing and not skin
if (sw_retexturing->value && type != it_skin)
if (sw_retexturing->value)
{
image = R_LoadHiColorImage(name, namewe, ext, type);
}