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LibHTML: Use ImageLoader for <img> elements to defer bitmap decoding

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We now wait until the pixels are actually needed before fully decoding
images in <img> elements.

This needs some more work and is currently a bit memory-wasteful since
we'll hang on to the raw image data forever.
This commit is contained in:
Andreas Kling 2019-10-15 21:53:08 +02:00
commit 18fa662eb2
Notes: sideshowbarker 2024-07-19 11:40:56 +09:00
3 changed files with 18 additions and 7 deletions
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4
Libraries/LibHTML/DOM/HTMLImageElement.h
View file

@ -1,6 +1,7 @@
#pragma once
#include <LibDraw/GraphicsBitmap.h>
#include <LibDraw/ImageLoader.h>
#include <LibHTML/DOM/HTMLElement.h>
class HTMLImageElement : public HTMLElement {
@ -16,11 +17,14 @@ public:
int preferred_height() const;
const GraphicsBitmap* bitmap() const;
const ImageLoader* image_loader() const { return m_image_loader; }
private:
void load_image(const String& src);
virtual RefPtr<LayoutNode> create_layout_node(const StyleProperties* parent_style) const override;
RefPtr<ImageLoader> m_image_loader;
mutable RefPtr<GraphicsBitmap> m_bitmap;
ByteBuffer m_image_data;
};