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LibGfx: Put debug output in PNGLoader behind PNG_DEBUG
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1 changed files with 14 additions and 0 deletions
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@ -599,7 +599,9 @@ static bool decode_png_bitmap_simple(PNGLoadingContext& context)
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}
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}
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if (filter > 4) {
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if (filter > 4) {
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#ifdef PNG_DEBUG
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dbg() << "Invalid PNG filter: " << filter;
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dbg() << "Invalid PNG filter: " << filter;
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#endif
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context.state = PNGLoadingContext::State::Error;
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context.state = PNGLoadingContext::State::Error;
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return false;
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return false;
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}
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}
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@ -695,7 +697,9 @@ static bool decode_adam7_pass(PNGLoadingContext& context, Streamer& streamer, in
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}
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}
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if (filter > 4) {
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if (filter > 4) {
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#ifdef PNG_DEBUG
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dbg() << "Invalid PNG filter: " << filter;
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dbg() << "Invalid PNG filter: " << filter;
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#endif
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context.state = PNGLoadingContext::State::Error;
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context.state = PNGLoadingContext::State::Error;
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return false;
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return false;
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}
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}
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@ -832,7 +836,9 @@ static bool process_IHDR(const ByteBuffer& data, PNGLoadingContext& context)
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#endif
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#endif
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if (context.interlace_method != PngInterlaceMethod::Null && context.interlace_method != PngInterlaceMethod::Adam7) {
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if (context.interlace_method != PngInterlaceMethod::Null && context.interlace_method != PngInterlaceMethod::Adam7) {
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#ifdef PNG_DEBUG
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dbgprintf("PNGLoader::process_IHDR: unknown interlace method: %d\n", context.interlace_method);
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dbgprintf("PNGLoader::process_IHDR: unknown interlace method: %d\n", context.interlace_method);
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#endif
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return false;
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return false;
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}
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}
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@ -884,23 +890,31 @@ static bool process_chunk(Streamer& streamer, PNGLoadingContext& context)
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{
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{
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u32 chunk_size;
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u32 chunk_size;
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if (!streamer.read(chunk_size)) {
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if (!streamer.read(chunk_size)) {
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#ifdef PNG_DEBUG
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printf("Bail at chunk_size\n");
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printf("Bail at chunk_size\n");
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#endif
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return false;
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return false;
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}
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}
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u8 chunk_type[5];
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u8 chunk_type[5];
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chunk_type[4] = '\0';
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chunk_type[4] = '\0';
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if (!streamer.read_bytes(chunk_type, 4)) {
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if (!streamer.read_bytes(chunk_type, 4)) {
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#ifdef PNG_DEBUG
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printf("Bail at chunk_type\n");
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printf("Bail at chunk_type\n");
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#endif
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return false;
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return false;
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}
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}
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ByteBuffer chunk_data;
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ByteBuffer chunk_data;
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if (!streamer.wrap_bytes(chunk_data, chunk_size)) {
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if (!streamer.wrap_bytes(chunk_data, chunk_size)) {
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#ifdef PNG_DEBUG
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printf("Bail at chunk_data\n");
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printf("Bail at chunk_data\n");
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#endif
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return false;
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return false;
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}
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}
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u32 chunk_crc;
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u32 chunk_crc;
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if (!streamer.read(chunk_crc)) {
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if (!streamer.read(chunk_crc)) {
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#ifdef PNG_DEBUG
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printf("Bail at chunk_crc\n");
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printf("Bail at chunk_crc\n");
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#endif
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return false;
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return false;
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}
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}
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#ifdef PNG_DEBUG
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#ifdef PNG_DEBUG
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