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LibWeb: Fix calculation of bitmap size in BorderRadiusCornerClipper

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Correctly compute the maximum possible width and height for
corners_bitmap_size by considering all pair combinations of corners.

Partially fixes issue https://github.com/SerenityOS/serenity/issues/20205
This commit is contained in:
Aliaksandr Kalenik 2023-07-27 03:57:27 +02:00 • committed by Andreas Kling
parent 3b75b9ef1c
commit 72e959d753
1 changed files with 12 additions and 4 deletions
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12
Userland/Libraries/LibWeb/Painting/BorderRadiusCornerClipper.cpp
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@ -20,12 +20,20 @@ ErrorOr<BorderRadiusCornerClipper> BorderRadiusCornerClipper::create(PaintContex
auto bottom_left = border_radii.bottom_left.as_corner(context); auto bottom_left = border_radii.bottom_left.as_corner(context);
DevicePixelSize corners_bitmap_size { DevicePixelSize corners_bitmap_size {
max(
max( max(
top_left.horizontal_radius + top_right.horizontal_radius, top_left.horizontal_radius + top_right.horizontal_radius,
bottom_left.horizontal_radius + bottom_right.horizontal_radius), top_left.horizontal_radius + bottom_right.horizontal_radius),
max(
bottom_left.horizontal_radius + top_right.horizontal_radius,
bottom_left.horizontal_radius + bottom_right.horizontal_radius)),
max(
max( max(
top_left.vertical_radius + bottom_left.vertical_radius, top_left.vertical_radius + bottom_left.vertical_radius,
top_right.vertical_radius + bottom_right.vertical_radius) top_left.vertical_radius + bottom_right.vertical_radius),
max(
top_right.vertical_radius + bottom_left.vertical_radius,
top_right.vertical_radius + bottom_right.vertical_radius))
}; };
RefPtr<Gfx::Bitmap> corner_bitmap; RefPtr<Gfx::Bitmap> corner_bitmap;