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LibGfx: Add TGA Loader :^)

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This patch adds a basic TGA Loader. Currently it can only handle
uncompressed files with a bit depth of 24 or 32 bits per pixel.
This commit is contained in:
Tom Needham 2022-08-17 19:58:42 +01:00 • committed by Jelle Raaijmakers
parent 70da5f977b
commit 21db070887
3 changed files with 298 additions and 0 deletions
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34
Userland/Libraries/LibGfx/TGALoader.h Normal file
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/*
* Copyright (c) 2022, Tom Needham <06needhamt@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGfx/ImageDecoder.h>
namespace Gfx {
struct TGALoadingContext;
class TGAImageDecoderPlugin final : public ImageDecoderPlugin {
public:
virtual ~TGAImageDecoderPlugin() override;
TGAImageDecoderPlugin(u8 const*, size_t);
virtual IntSize size() override;
virtual void set_volatile() override;
[[nodiscard]] virtual bool set_nonvolatile(bool& was_purged) override;
virtual bool sniff() override;
virtual bool is_animated() override;
virtual size_t loop_count() override;
virtual size_t frame_count() override;
virtual ErrorOr<ImageFrameDescriptor> frame(size_t index) override;
private:
bool decode_tga_header();
OwnPtr<TGALoadingContext> m_context;
};
}