screenshots: if compiled with USE_LIBPNG, always use PNG, even for

color-inversed shots. For both PNG and TGA, change the way they're
done in 8-bit mode: instead of XORing every byte with 15, save the
inverse palette (each component taken 255-x).

git-svn-id: https://svn.eduke32.com/eduke32@2219 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2011-12-28 20:34:10 +00:00
parent d1d94e083f
commit 98bcc0e60c

View file

@ -4847,9 +4847,9 @@ static void drawalls(int32_t bunch)
#ifdef ENGINE_SCREENSHOT_DEBUG
if (engine_screenshot)
#ifdef YAX_ENABLE
# ifdef YAX_ENABLE
if (!g_nodraw)
#endif
# endif
{
static char fn[32], tmpbuf[80];
static char bakframe[MAXXDIM*MAXYDIM];
@ -15415,15 +15415,15 @@ static int32_t screencapture_common1(char *fn, const char *ext, BFILE** filptr)
#ifdef USE_LIBPNG
// PNG screenshots -- adapted from libpng example.c
int32_t screencapture_png(const char *filename, char inverseit, const char *versionstr)
static int32_t screencapture_png(const char *filename, char inverseit, const char *versionstr)
{
int32_t i;
BFILE *fp;
#ifdef USE_OPENGL
# define HICOLOR (rendmode>=3 && qsetmode==200)
#else
# define HICOLOR 0
#endif
# ifdef USE_OPENGL
# define HICOLOR (rendmode>=3 && qsetmode==200)
# else
# define HICOLOR 0
# endif
png_structp png_ptr;
png_infop info_ptr;
png_colorp palette = NULL;
@ -15434,19 +15434,17 @@ int32_t screencapture_png(const char *filename, char inverseit, const char *vers
char fn[32]; // careful...
UNREFERENCED_PARAMETER(inverseit);
Bstrcpy(fn, filename);
i = screencapture_common1(fn, "png", &fp);
if (i)
return i;
/* Create and initialize the png_struct with default error handling. */
#ifndef NEDMALLOC
# ifndef NEDMALLOC
png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
#else
# else
png_ptr = png_create_write_struct_2(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL, Bmalloc, Bfree);
#endif
# endif
if (png_ptr == NULL)
{
Bfclose(fp);
@ -15493,9 +15491,9 @@ int32_t screencapture_png(const char *filename, char inverseit, const char *vers
{
for (i=0; i<256; i++)
{
palette[i].red = curpalettefaded[i].r;
palette[i].green = curpalettefaded[i].g;
palette[i].blue = curpalettefaded[i].b;
palette[i].red = inverseit ? 255-curpalettefaded[i].r : curpalettefaded[i].r;
palette[i].green = inverseit ? 255-curpalettefaded[i].g : curpalettefaded[i].g;
palette[i].blue = inverseit ? 255-curpalettefaded[i].b : curpalettefaded[i].b;
}
png_set_PLTE(png_ptr, info_ptr, palette, 256);
@ -15521,13 +15519,13 @@ int32_t screencapture_png(const char *filename, char inverseit, const char *vers
buf = (png_bytep)png_malloc(png_ptr, xdim*ydim);
Bmemcpy(buf, (char *)frameplace, xdim*ydim);
}
#ifdef USE_OPENGL
# ifdef USE_OPENGL
else
{
buf = (png_bytep)png_malloc(png_ptr, xdim*ydim*3);
bglReadPixels(0,0,xdim,ydim,GL_RGB,GL_UNSIGNED_BYTE,buf);
}
#endif
# endif
enddrawing(); //}}}
rowptrs = (png_bytepp)png_malloc(png_ptr, ydim*sizeof(png_bytep));
@ -15558,10 +15556,11 @@ int32_t screencapture_png(const char *filename, char inverseit, const char *vers
capturecount++;
return 0;
}
#undef HICOLOR
#endif // defined USE_LIBPNG
# undef HICOLOR
int32_t screencapture_tga(const char *filename, char inverseit)
#else // if !defined USE_LIBPNG
static int32_t screencapture_tga(const char *filename, char inverseit)
{
int32_t i,j;
char *ptr, head[18] = { 0,1,1,0,0,0,1,24,0,0,0,0,0/*wlo*/,0/*whi*/,0/*hlo*/,0/*hhi*/,8,0 };
@ -15573,7 +15572,7 @@ int32_t screencapture_tga(const char *filename, char inverseit)
if (i)
return i;
#ifdef USE_OPENGL
# ifdef USE_OPENGL
if (rendmode >= 3 && qsetmode == 200)
{
head[1] = 0; // no colourmap
@ -15585,7 +15584,7 @@ int32_t screencapture_tga(const char *filename, char inverseit)
head[7] = 0; // colourmap entry size
head[16] = 24; // 24 bits per pixel
}
#endif
# endif
head[12] = xdim & 0xff;
head[13] = (xdim >> 8) & 0xff;
@ -15598,39 +15597,42 @@ int32_t screencapture_tga(const char *filename, char inverseit)
ptr = (char *)frameplace;
// palette first
#ifdef USE_OPENGL
# ifdef USE_OPENGL
if (rendmode < 3 || (rendmode >= 3 && qsetmode != 200))
{
#endif
# endif
//getpalette(0,256,palette);
for (i=0; i<256; i++)
{
Bfputc(curpalettefaded[i].b, fil); // b
Bfputc(curpalettefaded[i].g, fil); // g
Bfputc(curpalettefaded[i].r, fil); // r
Bfputc(inverseit ? 255-curpalettefaded[i].b : curpalettefaded[i].b, fil); // b
Bfputc(inverseit ? 255-curpalettefaded[i].g : curpalettefaded[i].g, fil); // g
Bfputc(inverseit ? 255-curpalettefaded[i].r : curpalettefaded[i].r, fil); // r
}
#ifdef USE_OPENGL
# ifdef USE_OPENGL
}
#endif
# endif
# if 0
// targa renders bottom to top, from left to right
if (inverseit && qsetmode != 200)
{
inversebuf = (char *)Bmalloc(bytesperline);
inversebuf = Bmalloc(bytesperline);
if (inversebuf)
{
for (i=ydim-1; i>=0; i--)
{
copybuf(ptr+i*bytesperline, inversebuf, xdim >> 2);
for (j=0; j < (bytesperline>>2); j++)((int32_t *)inversebuf)[j] ^= 0x0f0f0f0fL;
Bmemcpy(inversebuf, ptr+i*bytesperline, xdim);
for (j=0; j<xdim; j++) /* used to be j<bytesperline */
inversebuf[j] ^= 0x0f;
Bfwrite(inversebuf, xdim, 1, fil);
}
Bfree(inversebuf);
}
}
else
# endif
{
#ifdef USE_OPENGL
# ifdef USE_OPENGL
if (rendmode >= 3 && qsetmode == 200)
{
char c;
@ -15651,13 +15653,11 @@ int32_t screencapture_tga(const char *filename, char inverseit)
}
}
else
# endif
{
#endif
for (i=ydim-1; i>=0; i--)
Bfwrite(ptr+i*bytesperline, xdim, 1, fil);
#ifdef USE_OPENGL
}
#endif
}
enddrawing(); //}}}
@ -15668,6 +15668,8 @@ int32_t screencapture_tga(const char *filename, char inverseit)
capturecount++;
return(0);
}
# endif
#if 0
// PCX is nasty, which is why I've lifted these functions from the PCX spec by ZSoft
@ -15841,14 +15843,10 @@ int32_t screencapture(const char *filename, char inverseit, const char *versions
{
#ifndef USE_LIBPNG
UNREFERENCED_PARAMETER(versionstr);
return screencapture_tga(filename,inverseit);
#else
if (!inverseit)
return screencapture_png(filename,inverseit,versionstr);
else
return screencapture_png(filename,inverseit,versionstr);
#endif
// if (captureformat == 0)
return screencapture_tga(filename,inverseit);
// else return screencapture_pcx(filename,inverseit);
}