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VID_WriteScreenshot() PNG compression level must be < 10

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10 is no valid zlib compression level, so make sure it's not used

Thanks to @maraakate for pointing this out!
This commit is contained in:
Daniel Gibson 2018-02-15 00:39:43 +01:00
parent ec1733fb97
commit 3acf5f0cba
1 changed files with 3 additions and 3 deletions
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6
src/backends/generic/vid.c
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@ -261,7 +261,7 @@ void VID_WriteScreenshot( int width, int height, int comp, const void* data )
if(q[i] < '0' || q[i] > '9')
{
Com_Printf("the (optional!) third argument to 'screenshot' is jpg quality, a number between 1 and 100\n");
Com_Printf(" or png compression level, between 0 and 10!\n");
Com_Printf(" or png compression level, between 0 and 9!\n");
return;
}
}
@ -269,7 +269,7 @@ void VID_WriteScreenshot( int width, int height, int comp, const void* data )
if(format == 2) // png
{
if(quality < 0) quality = 0;
else if(quality > 10) quality = 10;
else if(quality > 9) quality = 9;
}
else if(format == 3) // jpg
{
@ -306,7 +306,7 @@ void VID_WriteScreenshot( int width, int height, int comp, const void* data )
case 0: success = stbi_write_tga(checkname, width, height, comp, data); break;
case 1: success = stbi_write_bmp(checkname, width, height, comp, data); break;
case 2:
stbi_write_png_compression_level = (quality <= 10) ? quality : 7;
stbi_write_png_compression_level = (quality < 10) ? quality : 7;
success = stbi_write_png(checkname, width, height, comp, data, 0);
break;
case 3: success = stbi_write_jpg(checkname, width, height, comp, data, quality); break;