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PixelPaint: Allow partial invalidation of Layer and Image

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Let's give ourselves the tools needed to update less than the entire
image every time we paint.

This patch adds plumbing so that Layer invalidations have a modified
rect that gets passed on to Image, and then on to ImageEditor.
This commit is contained in:
Andreas Kling 2021-07-06 20:35:19 +02:00
parent b7e551b164
commit f7053059c9
6 changed files with 14 additions and 13 deletions
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4
Userland/Applications/PixelPaint/ImageEditor.cpp
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@ -399,9 +399,9 @@ void ImageEditor::relayout()
update();
}
void ImageEditor::image_did_change()
void ImageEditor::image_did_change(Gfx::IntRect const& modified_image_rect)
{
update(m_editor_image_rect);
update(m_editor_image_rect.intersected(enclosing_int_rect(image_rect_to_editor_rect(modified_image_rect))));
}
void ImageEditor::image_did_change_title(String const& path)