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PNGDump supports B_RGB16 now

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@25950 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jérôme Duval 2008-06-13 06:54:03 +00:00
parent c3f006deb0
commit 3b6336e41c
1 changed files with 25 additions and 1 deletions
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26
src/kits/interface/PNGDump.cpp
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@ -99,10 +99,34 @@ SaveToPNG(const char* filename, const BRect& bounds, color_space space,
}
break;
}
case B_RGB16:
{
// create file without alpha channel
png_set_IHDR(png, info, width, height, 8, PNG_COLOR_TYPE_RGB,
PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT,
PNG_FILTER_TYPE_DEFAULT);
png_write_info(png, info);
// convert from 16 bit RGB to 24 bit RGB while saving
uint16* src = (uint16 *)bits;
int dstRowBytes = width * 3;
png_byte tempRow[dstRowBytes];
for (int row = 0; row < height; row++) {
for (int i = 0; i < dstRowBytes; i += 3, src++) {
tempRow[i + 2] = (*src & 0xf800) >> 8;
tempRow[i + 1] = (*src & 0x07e0) >> 3;
tempRow[i] = (*src & 0x001f) << 3;
}
src = (uint16 *)((uint8 *)bits + row * bytesPerRow);
png_write_row(png, tempRow);
}
break;
}
default:
{
TRACE(("Unsupported color space\n"));
TRACE(("Unsupported color space %lx\n", space));
png_destroy_write_struct(&png, NULL);
fclose(file);
return B_ERROR;