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Support paletted images

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wiidev 2020-04-12 19:34:05 +01:00
parent 0c8477548c
commit 9ad0c6da08
1 changed files with 5 additions and 1 deletions
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6
source/gui/pngu.c
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@ -1114,8 +1114,12 @@ int pngu_decode (IMGCTX ctx, PNGU_u32 width, PNGU_u32 height, PNGU_u32 stripAlph
if ( (ctx->prop.imgWidth != width) || (ctx->prop.imgHeight != height) )
return PNGU_INVALID_WIDTH_OR_HEIGHT;
// Support paletted images
if (ctx->prop.imgColorType == PNG_COLOR_TYPE_PALETTE)
png_set_palette_to_rgb(ctx->png_ptr);
// Check if color type is supported by PNGU
if ( (ctx->prop.imgColorType == PNGU_COLOR_TYPE_PALETTE) || (ctx->prop.imgColorType == PNGU_COLOR_TYPE_UNKNOWN) )
if ( (ctx->prop.imgColorType == PNGU_COLOR_TYPE_UNKNOWN) )
return PNGU_UNSUPPORTED_COLOR_TYPE;
// error handling