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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
parent
d1d94e083f
commit
98bcc0e60c
1 changed files with 41 additions and 43 deletions
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@ -4847,9 +4847,9 @@ static void drawalls(int32_t bunch)
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#ifdef ENGINE_SCREENSHOT_DEBUG
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if (engine_screenshot)
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#ifdef YAX_ENABLE
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# ifdef YAX_ENABLE
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if (!g_nodraw)
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#endif
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# endif
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{
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static char fn[32], tmpbuf[80];
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static char bakframe[MAXXDIM*MAXYDIM];
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@ -15415,15 +15415,15 @@ static int32_t screencapture_common1(char *fn, const char *ext, BFILE** filptr)
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#ifdef USE_LIBPNG
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// PNG screenshots -- adapted from libpng example.c
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int32_t screencapture_png(const char *filename, char inverseit, const char *versionstr)
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static int32_t screencapture_png(const char *filename, char inverseit, const char *versionstr)
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{
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int32_t i;
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BFILE *fp;
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#ifdef USE_OPENGL
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# ifdef USE_OPENGL
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# define HICOLOR (rendmode>=3 && qsetmode==200)
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#else
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# else
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# define HICOLOR 0
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#endif
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# endif
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png_structp png_ptr;
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png_infop info_ptr;
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png_colorp palette = NULL;
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@ -15434,19 +15434,17 @@ int32_t screencapture_png(const char *filename, char inverseit, const char *vers
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char fn[32]; // careful...
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UNREFERENCED_PARAMETER(inverseit);
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Bstrcpy(fn, filename);
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i = screencapture_common1(fn, "png", &fp);
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if (i)
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return i;
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/* Create and initialize the png_struct with default error handling. */
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#ifndef NEDMALLOC
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# ifndef NEDMALLOC
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png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
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#else
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# else
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png_ptr = png_create_write_struct_2(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL, Bmalloc, Bfree);
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#endif
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# endif
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if (png_ptr == NULL)
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{
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Bfclose(fp);
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@ -15493,9 +15491,9 @@ int32_t screencapture_png(const char *filename, char inverseit, const char *vers
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{
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for (i=0; i<256; i++)
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{
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palette[i].red = curpalettefaded[i].r;
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palette[i].green = curpalettefaded[i].g;
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palette[i].blue = curpalettefaded[i].b;
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palette[i].red = inverseit ? 255-curpalettefaded[i].r : curpalettefaded[i].r;
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palette[i].green = inverseit ? 255-curpalettefaded[i].g : curpalettefaded[i].g;
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palette[i].blue = inverseit ? 255-curpalettefaded[i].b : curpalettefaded[i].b;
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}
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png_set_PLTE(png_ptr, info_ptr, palette, 256);
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@ -15521,13 +15519,13 @@ int32_t screencapture_png(const char *filename, char inverseit, const char *vers
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buf = (png_bytep)png_malloc(png_ptr, xdim*ydim);
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Bmemcpy(buf, (char *)frameplace, xdim*ydim);
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}
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#ifdef USE_OPENGL
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# ifdef USE_OPENGL
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else
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{
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buf = (png_bytep)png_malloc(png_ptr, xdim*ydim*3);
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bglReadPixels(0,0,xdim,ydim,GL_RGB,GL_UNSIGNED_BYTE,buf);
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}
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#endif
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# endif
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enddrawing(); //}}}
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rowptrs = (png_bytepp)png_malloc(png_ptr, ydim*sizeof(png_bytep));
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@ -15558,10 +15556,11 @@ int32_t screencapture_png(const char *filename, char inverseit, const char *vers
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capturecount++;
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return 0;
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}
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#undef HICOLOR
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#endif // defined USE_LIBPNG
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# undef HICOLOR
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int32_t screencapture_tga(const char *filename, char inverseit)
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#else // if !defined USE_LIBPNG
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static int32_t screencapture_tga(const char *filename, char inverseit)
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{
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int32_t i,j;
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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 };
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@ -15573,7 +15572,7 @@ int32_t screencapture_tga(const char *filename, char inverseit)
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if (i)
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return i;
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#ifdef USE_OPENGL
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# ifdef USE_OPENGL
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if (rendmode >= 3 && qsetmode == 200)
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{
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head[1] = 0; // no colourmap
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@ -15585,7 +15584,7 @@ int32_t screencapture_tga(const char *filename, char inverseit)
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head[7] = 0; // colourmap entry size
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head[16] = 24; // 24 bits per pixel
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}
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#endif
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# endif
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head[12] = xdim & 0xff;
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head[13] = (xdim >> 8) & 0xff;
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@ -15598,39 +15597,42 @@ int32_t screencapture_tga(const char *filename, char inverseit)
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ptr = (char *)frameplace;
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// palette first
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#ifdef USE_OPENGL
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# ifdef USE_OPENGL
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if (rendmode < 3 || (rendmode >= 3 && qsetmode != 200))
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{
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#endif
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# endif
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//getpalette(0,256,palette);
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for (i=0; i<256; i++)
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{
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Bfputc(curpalettefaded[i].b, fil); // b
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Bfputc(curpalettefaded[i].g, fil); // g
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Bfputc(curpalettefaded[i].r, fil); // r
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Bfputc(inverseit ? 255-curpalettefaded[i].b : curpalettefaded[i].b, fil); // b
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Bfputc(inverseit ? 255-curpalettefaded[i].g : curpalettefaded[i].g, fil); // g
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Bfputc(inverseit ? 255-curpalettefaded[i].r : curpalettefaded[i].r, fil); // r
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}
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#ifdef USE_OPENGL
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# ifdef USE_OPENGL
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}
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#endif
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# endif
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# if 0
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// targa renders bottom to top, from left to right
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if (inverseit && qsetmode != 200)
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{
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inversebuf = (char *)Bmalloc(bytesperline);
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inversebuf = Bmalloc(bytesperline);
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if (inversebuf)
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{
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for (i=ydim-1; i>=0; i--)
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{
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copybuf(ptr+i*bytesperline, inversebuf, xdim >> 2);
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for (j=0; j < (bytesperline>>2); j++)((int32_t *)inversebuf)[j] ^= 0x0f0f0f0fL;
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Bmemcpy(inversebuf, ptr+i*bytesperline, xdim);
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for (j=0; j<xdim; j++) /* used to be j<bytesperline */
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inversebuf[j] ^= 0x0f;
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Bfwrite(inversebuf, xdim, 1, fil);
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}
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Bfree(inversebuf);
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}
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}
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else
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# endif
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{
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#ifdef USE_OPENGL
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# ifdef USE_OPENGL
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if (rendmode >= 3 && qsetmode == 200)
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{
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char c;
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@ -15651,13 +15653,11 @@ int32_t screencapture_tga(const char *filename, char inverseit)
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}
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}
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else
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# endif
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{
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#endif
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for (i=ydim-1; i>=0; i--)
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Bfwrite(ptr+i*bytesperline, xdim, 1, fil);
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#ifdef USE_OPENGL
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}
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#endif
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}
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enddrawing(); //}}}
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@ -15668,6 +15668,8 @@ int32_t screencapture_tga(const char *filename, char inverseit)
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capturecount++;
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return(0);
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}
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# endif
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#if 0
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// PCX is nasty, which is why I've lifted these functions from the PCX spec by ZSoft
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@ -15841,14 +15843,10 @@ int32_t screencapture(const char *filename, char inverseit, const char *versions
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{
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#ifndef USE_LIBPNG
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UNREFERENCED_PARAMETER(versionstr);
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#else
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if (!inverseit)
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return screencapture_png(filename,inverseit,versionstr);
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else
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#endif
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// if (captureformat == 0)
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return screencapture_tga(filename,inverseit);
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// else return screencapture_pcx(filename,inverseit);
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#else
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return screencapture_png(filename,inverseit,versionstr);
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#endif
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}
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