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LibGfx: Add directional floating-point scaling to Painter

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This allows the painter to be scaled separately in both directions, and
not just in integer intervals. This is crucial for proper SVG viewBox
support.

Most bitmap-related things verify the scale to be one as of now.
This commit is contained in:
Matthew Olsson 2021-04-20 11:07:19 -07:00 • committed by Andreas Kling
parent 88cfaf7bf0
commit ff76a5b8d2
4 changed files with 110 additions and 143 deletions
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2
Userland/Libraries/LibGUI/Painter.cpp
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@ -20,7 +20,7 @@ Painter::Painter(Widget& widget)
{
state().font = &widget.font();
auto origin_rect = widget.window_relative_rect();
state().translation = origin_rect.location();
translate(origin_rect.location());
state().clip_rect = origin_rect.intersected(m_target->rect());
m_clip_origin = state().clip_rect;
}