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LibGfx: Use enum instead of magic numbers for PNG Color and Filter types

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This commit is contained in:
Karol Kosek 2022-07-10 00:08:32 +02:00 • committed by Andreas Kling
parent 9dbec601b0
commit ebc20f7ac3
4 changed files with 81 additions and 48 deletions
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6
Userland/Libraries/LibGfx/PNGWriter.cpp
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@ -116,13 +116,13 @@ void PNGWriter::add_png_header()
m_data.append(png_header, sizeof(png_header));
}
void PNGWriter::add_IHDR_chunk(u32 width, u32 height, u8 bit_depth, u8 color_type, u8 compression_method, u8 filter_method, u8 interlace_method)
void PNGWriter::add_IHDR_chunk(u32 width, u32 height, u8 bit_depth, PNG::ColorType color_type, u8 compression_method, u8 filter_method, u8 interlace_method)
{
PNGChunk png_chunk { "IHDR" };
png_chunk.add_as_big_endian(width);
png_chunk.add_as_big_endian(height);
png_chunk.add_u8(bit_depth);
png_chunk.add_u8(color_type);
png_chunk.add_u8(to_underlying(color_type));
png_chunk.add_u8(compression_method);
png_chunk.add_u8(filter_method);
png_chunk.add_u8(interlace_method);
@ -170,7 +170,7 @@ ByteBuffer PNGWriter::encode(Gfx::Bitmap const& bitmap)
{
PNGWriter writer;
writer.add_png_header();
writer.add_IHDR_chunk(bitmap.width(), bitmap.height(), 8, 6, 0, 0, 0);
writer.add_IHDR_chunk(bitmap.width(), bitmap.height(), 8, PNG::ColorType::TruecolorWithAlpha, 0, 0, 0);
writer.add_IDAT_chunk(bitmap);
writer.add_IEND_chunk();
// FIXME: Handle OOM failure.