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rle tweaks, credits

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This commit is contained in:
Sean Barrett 2015-09-13 06:58:45 -07:00
parent 40ace6b0ef
commit 5bcce36638
1 changed files with 14 additions and 3 deletions
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17
stb_image_write.h
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@ -62,6 +62,9 @@ USAGE:
data, alpha (if provided) is discarded, and for monochrome data it is data, alpha (if provided) is discarded, and for monochrome data it is
replicated across all three channels. replicated across all three channels.
TGA supports RLE or non-RLE compressed data. To use non-RLE-compressed
data, set the global variable 'stbi_write_tga_with_rle' to 0.
CREDITS: CREDITS:
PNG/BMP/TGA PNG/BMP/TGA
@ -72,6 +75,8 @@ CREDITS:
Jean-Sebastien Guay Jean-Sebastien Guay
misc enhancements: misc enhancements:
Tim Kelsey Tim Kelsey
TGA RLE
Alan Hickman
bugfixes: bugfixes:
github:Chribba github:Chribba
Guillaume Chereau Guillaume Chereau
@ -95,6 +100,7 @@ extern "C" {
#define STBIWDEF static #define STBIWDEF static
#else #else
#define STBIWDEF extern #define STBIWDEF extern
extern int stbi_write_tga_with_rle;
#endif #endif
STBIWDEF int stbi_write_png(char const *filename, int w, int h, int comp, const void *data, int stride_in_bytes); STBIWDEF int stbi_write_png(char const *filename, int w, int h, int comp, const void *data, int stride_in_bytes);
@ -147,7 +153,12 @@ STBIWDEF int stbi_write_hdr(char const *filename, int w, int h, int comp, const
typedef unsigned int stbiw_uint32; typedef unsigned int stbiw_uint32;
typedef int stb_image_write_test[sizeof(stbiw_uint32)==4 ? 1 : -1]; typedef int stb_image_write_test[sizeof(stbiw_uint32)==4 ? 1 : -1];
static int stbi__write_tga_with_rle = 1;
#ifdef STB_IMAGE_WRITE_STATIC
static int stbi_write_tga_with_rle = 1;
#else
int stbi_write_tga_with_rle = 1;
#endif
static void writefv(FILE *f, const char *fmt, va_list v) static void writefv(FILE *f, const char *fmt, va_list v)
{ {
@ -270,7 +281,7 @@ STBIWDEF int stbi_write_tga(char const *filename, int x, int y, int comp, const
int format = colorbytes < 2 ? 3 : 2; // 3 color channels (RGB/RGBA) = 2, 1 color channel (Y/YA) = 3 int format = colorbytes < 2 ? 3 : 2; // 3 color channels (RGB/RGBA) = 2, 1 color channel (Y/YA) = 3
FILE *f; FILE *f;
if (!stbi__write_tga_with_rle) { if (!stbi_write_tga_with_rle) {
return outfile(filename, -1, -1, x, y, comp, 0, (void *) data, has_alpha, 0, return outfile(filename, -1, -1, x, y, comp, 0, (void *) data, has_alpha, 0,
"111 221 2222 11", 0, 0, format, 0, 0, 0, 0, 0, x, y, (colorbytes + has_alpha) * 8, has_alpha * 8); "111 221 2222 11", 0, 0, format, 0, 0, 0, 0, 0, x, y, (colorbytes + has_alpha) * 8, has_alpha * 8);
} }
@ -810,7 +821,7 @@ STBIWDEF int stbi_write_png(char const *filename, int x, int y, int comp, const
/* Revision history /* Revision history
0.99 (2015-09-13) 0.99 (2015-09-13)
warning fixes warning fixes; TGA rle support
0.98 (2015-04-08) 0.98 (2015-04-08)
added STBIW_MALLOC, STBIW_ASSERT etc added STBIW_MALLOC, STBIW_ASSERT etc
0.97 (2015-01-18) 0.97 (2015-01-18)