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Screenshots now contain the palette you're actively looking at, as opposed to the palette the game/map has! This makes sense for colorblind users being able to store their precious memories, and it matches up with how gifs palettise.

This commit is contained in:
toasterbabe 2017-04-20 13:17:11 +01:00
parent 29d5af61c1
commit 9d46ba281f
3 changed files with 13 additions and 16 deletions
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2
src/hardware/hw_draw.c
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@ -789,7 +789,7 @@ boolean HWR_Screenshot(const char *lbmname)
HWD.pfnReadRect(0, 0, vid.width, vid.height, vid.width * 3, (void *)buf);
#ifdef USE_PNG
ret = M_SavePNG(lbmname, buf, vid.width, vid.height, NULL);
ret = M_SavePNG(lbmname, buf, vid.width, vid.height, false);
#else
ret = saveTGA(lbmname, buf, vid.width, vid.height);
#endif

25
src/m_misc.c
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@ -610,19 +610,18 @@ static void PNG_warn(png_structp PNG, png_const_charp pngtext)
CONS_Debug(DBG_RENDER, "libpng warning at %p: %s", PNG, pngtext);
}
static void M_PNGhdr(png_structp png_ptr, png_infop png_info_ptr, PNG_CONST png_uint_32 width, PNG_CONST png_uint_32 height, PNG_CONST png_byte *palette)
static void M_PNGhdr(png_structp png_ptr, png_infop png_info_ptr, PNG_CONST png_uint_32 width, PNG_CONST png_uint_32 height, const boolean palette)
{
const png_byte png_interlace = PNG_INTERLACE_NONE; //PNG_INTERLACE_ADAM7
if (palette)
{
png_colorp png_PLTE = png_malloc(png_ptr, sizeof(png_color)*256); //palette
const png_byte *pal = palette;
png_uint_16 i;
for (i = 0; i < 256; i++)
{
png_PLTE[i].red = *pal; pal++;
png_PLTE[i].green = *pal; pal++;
png_PLTE[i].blue = *pal; pal++;
png_PLTE[i].red = pLocalPalette[i].s.red;
png_PLTE[i].green = pLocalPalette[i].s.green;
png_PLTE[i].blue = pLocalPalette[i].s.blue;
}
png_set_IHDR(png_ptr, png_info_ptr, width, height, 8, PNG_COLOR_TYPE_PALETTE,
png_interlace, PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
@ -924,7 +923,7 @@ static void M_PNGfix_acTL(png_structp png_ptr, png_infop png_info_ptr)
fseek(apng_FILE, oldpos, SEEK_SET);
}
static boolean M_SetupaPNG(png_const_charp filename, png_bytep pal)
static boolean M_SetupaPNG(png_const_charp filename, boolean palette)
{
apng_FILE = fopen(filename,"wb+"); // + mode for reading
if (!apng_FILE)
@ -966,7 +965,7 @@ static boolean M_SetupaPNG(png_const_charp filename, png_bytep pal)
png_set_compression_strategy(apng_ptr, cv_zlib_strategya.value);
png_set_compression_window_bits(apng_ptr, cv_zlib_window_bitsa.value);
M_PNGhdr(apng_ptr, apng_info_ptr, vid.width, vid.height, pal);
M_PNGhdr(apng_ptr, apng_info_ptr, vid.width, vid.height, palette);
M_PNGText(apng_ptr, apng_info_ptr, true);
@ -1007,9 +1006,9 @@ static inline moviemode_t M_StartMovieAPNG(const char *pathname)
}
if (rendermode == render_soft)
ret = M_SetupaPNG(va(pandf,pathname,freename), W_CacheLumpName(GetPalette(), PU_CACHE));
ret = M_SetupaPNG(va(pandf,pathname,freename), true);
else
ret = M_SetupaPNG(va(pandf,pathname,freename), NULL);
ret = M_SetupaPNG(va(pandf,pathname,freename), false);
if (!ret)
{
@ -1215,11 +1214,10 @@ void M_StopMovie(void)
* \param palette Palette of image data
* \note if palette is NULL, BGR888 format
*/
boolean M_SavePNG(const char *filename, void *data, int width, int height, const UINT8 *palette)
boolean M_SavePNG(const char *filename, void *data, int width, int height, const boolean palette)
{
png_structp png_ptr;
png_infop png_info_ptr;
PNG_CONST png_byte *PLTE = (const png_byte *)palette;
#ifdef PNG_SETJMP_SUPPORTED
#ifdef USE_FAR_KEYWORD
jmp_buf jmpbuf;
@ -1282,7 +1280,7 @@ boolean M_SavePNG(const char *filename, void *data, int width, int height, const
png_set_compression_strategy(png_ptr, cv_zlib_strategy.value);
png_set_compression_window_bits(png_ptr, cv_zlib_window_bits.value);
M_PNGhdr(png_ptr, png_info_ptr, width, height, PLTE);
M_PNGhdr(png_ptr, png_info_ptr, width, height, palette);
M_PNGText(png_ptr, png_info_ptr, false);
@ -1445,8 +1443,7 @@ void M_DoScreenShot(void)
if (rendermode != render_none)
{
#ifdef USE_PNG
ret = M_SavePNG(va(pandf,pathname,freename), linear, vid.width, vid.height,
W_CacheLumpName(GetPalette(), PU_CACHE));
ret = M_SavePNG(va(pandf,pathname,freename), linear, vid.width, vid.height, true);
#else
ret = WritePCXfile(va(pandf,pathname,freename), linear, vid.width, vid.height,
W_CacheLumpName(GetPalette(), PU_CACHE));

2
src/m_misc.h
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@ -64,7 +64,7 @@ void FIL_ForceExtension(char *path, const char *extension);
boolean FIL_CheckExtension(const char *in);
#ifdef HAVE_PNG
boolean M_SavePNG(const char *filename, void *data, int width, int height, const UINT8 *palette);
boolean M_SavePNG(const char *filename, void *data, int width, int height, const boolean palette);
#endif
extern boolean takescreenshot;