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ladybird/Userland/Libraries/LibGfx/ImageFormats/TGALoader.h

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LibGfx: Add TGA Loader :^) 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.
2022-08-17 19:58:42 +01:00
/*
* Copyright (c) 2022, Tom Needham <06needhamt@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
LibGfx: Move all image loaders and writers to a subdirectory
2023-03-21 14:58:06 -04:00
#include <LibGfx/ImageFormats/ImageDecoder.h>
LibGfx: Add TGA Loader :^) 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.
2022-08-17 19:58:42 +01:00
namespace Gfx {
struct TGALoadingContext;
class TGAImageDecoderPlugin final : public ImageDecoderPlugin {
public:
LibGfx: Re-structure the whole initialization pattern for image decoders When trying to figure out the correct implementation, we now have a very strong distinction on plugins that are well suited for sniffing, and plugins that need a MIME type to be chosen. Instead of having multiple calls to non-static virtual sniff methods for each Image decoding plugin, we have 2 static methods for each implementation: 1. The sniff method, which in contrast to the old method, gets a ReadonlyBytes parameter and ensures we can figure out the result with zero heap allocations for most implementations. 2. The create method, which just creates a new instance so we don't expose the constructor to everyone anymore. In addition to that, we have a new virtual method called initialize, which has a per-implementation initialization pattern to actually ensure each implementation can construct a decoder object, and then have a correct context being applied to it for the actual decoding.
2023-01-20 10:13:14 +02:00
static ErrorOr<bool> validate_before_create(ReadonlyBytes);
static ErrorOr<NonnullOwnPtr<ImageDecoderPlugin>> create(ReadonlyBytes);
LibGfx: Add TGA Loader :^) 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.
2022-08-17 19:58:42 +01:00
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;
LibGfx+Fuzz: Convert ImageDecoder::initialize to ErrorOr This prevents callers from accidentally discarding the result of initialize(), which was the root cause of this OSS Fuzz bug: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=55896&q=label%3AProj-serenity&sort=summary
2023-05-07 19:27:07 +02:00
virtual ErrorOr<void> initialize() override;
LibGfx: Add TGA Loader :^) 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.
2022-08-17 19:58:42 +01:00
virtual bool is_animated() override;
virtual size_t loop_count() override;
virtual size_t frame_count() override;
LibGfx: Add first_animated_frame_index method to ImageDecoder Some image formats such as APNG may not use the first frame for animations.
2023-04-07 20:41:22 -06:00
virtual size_t first_animated_frame_index() override;
LibGfx: Allow passing an ideal size to image decoders The ideal size is the size the user will display the image. Raster formats should ignore this parameter, but vector formats can use it to generate a bitmap of the ideal size.
2023-07-02 22:20:06 +01:00
virtual ErrorOr<ImageFrameDescriptor> frame(size_t index, Optional<IntSize> ideal_size = {}) override;
LibGfx: Add a method to ImageDecoderPlugin for reading ICC data This probably won't be the final API for getting color spaces from images, since some formats just store an "is sRGB?" flag instead of a full profile. Instead, once everything works, we probably want to give every Bitmap a pointer to some color space abstraction. But we can always change this later, once things are further along and better understood.
2023-01-26 07:23:59 -05:00
virtual ErrorOr<Optional<ReadonlyBytes>> icc_data() override;
LibGfx: Add TGA Loader :^) 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.
2022-08-17 19:58:42 +01:00
private:
bool decode_tga_header();
OwnPtr<TGALoadingContext> m_context;
};
}
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