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LibWeb: Add 'inside' clip mode to BorderRadiusCornerClipper
The default clip mode 'outside' clips everything outside the corner, 'inside' does the opposite :^)
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2 changed files with 14 additions and 5 deletions
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@ -10,7 +10,7 @@
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namespace Web::Painting {
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ErrorOr<BorderRadiusCornerClipper> BorderRadiusCornerClipper::create(Gfx::IntRect const& border_rect, BorderRadiiData const& border_radii)
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ErrorOr<BorderRadiusCornerClipper> BorderRadiusCornerClipper::create(Gfx::IntRect const& border_rect, BorderRadiiData const& border_radii, CornerClip corner_clip)
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{
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VERIFY(border_radii.has_any_radius());
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@ -43,7 +43,7 @@ ErrorOr<BorderRadiusCornerClipper> BorderRadiusCornerClipper::create(Gfx::IntRec
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.corner_bitmap_size = corners_bitmap_size
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};
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return BorderRadiusCornerClipper { corner_data, corner_bitmap.release_nonnull() };
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return BorderRadiusCornerClipper { corner_data, corner_bitmap.release_nonnull(), corner_clip };
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}
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void BorderRadiusCornerClipper::sample_under_corners(Gfx::Painter& page_painter)
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@ -60,7 +60,9 @@ void BorderRadiusCornerClipper::sample_under_corners(Gfx::Painter& page_painter)
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for (int col = 0; col < mask_src.width(); ++col) {
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auto corner_location = mask_src.location().translated(col, row);
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auto mask_pixel = m_corner_bitmap->get_pixel(corner_location);
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u8 mask_alpha = ~mask_pixel.alpha();
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u8 mask_alpha = mask_pixel.alpha();
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if (m_corner_clip == CornerClip::Outside)
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mask_alpha = ~mask_pixel.alpha();
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auto final_pixel = Color();
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if (mask_alpha > 0) {
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auto page_pixel = page_painter.get_pixel(page_location.translated(col, row));
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