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Code Issues Projects Releases Packages Wiki Activity Actions 6

LibGfx: Add a method to copy a Bitmap to a PaintingSurface

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Tim Ledbetter 2024-11-13 10:44:50 +00:00 committed by Andreas Kling
parent 3d8ab0e67c
commit b08f12d3e6
Notes: github-actions[bot] 2024-11-13 13:39:39 +00:00 
Author: https://github.com/tcl3
Commit: https://github.com/LadybirdBrowser/ladybird/commit/b08f12d3e69
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2309
2 changed files with 10 additions and 0 deletions
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9
Libraries/LibGfx/PaintingSurface.cpp
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@ -101,6 +101,15 @@ void PaintingSurface::read_into_bitmap(Gfx::Bitmap& bitmap)
m_impl->surface->readPixels(pixmap, 0, 0); m_impl->surface->readPixels(pixmap, 0, 0);
} }
void PaintingSurface::write_from_bitmap(Gfx::Bitmap& bitmap)
{
auto color_type = to_skia_color_type(bitmap.format());
auto alpha_type = bitmap.alpha_type() == Gfx::AlphaType::Premultiplied ? kPremul_SkAlphaType : kUnpremul_SkAlphaType;
auto image_info = SkImageInfo::Make(bitmap.width(), bitmap.height(), color_type, alpha_type);
SkPixmap const pixmap(image_info, bitmap.begin(), bitmap.pitch());
m_impl->surface->writePixels(pixmap, 0, 0);
}
IntSize PaintingSurface::size() const IntSize PaintingSurface::size() const
{ {
return m_impl->size; return m_impl->size;

1
Libraries/LibGfx/PaintingSurface.h
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@ -32,6 +32,7 @@ public:
#endif #endif
void read_into_bitmap(Bitmap&); void read_into_bitmap(Bitmap&);
void write_from_bitmap(Bitmap&);
IntSize size() const; IntSize size() const;
IntRect rect() const; IntRect rect() const;