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LibWeb: Add support for CSS image-rendering property

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Currently only "auto" and "pixelated" values are supported.
This commit is contained in:
Maciej 2022-02-18 12:21:27 +01:00 • committed by Andreas Kling
commit 3e1c1c0b16
Notes: sideshowbarker 2024-07-17 18:32:59 +09:00
11 changed files with 73 additions and 1 deletions
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6
Userland/Libraries/LibWeb/Layout/ImageBox.cpp
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@ -7,6 +7,8 @@
#include <LibGfx/FontDatabase.h>
#include <LibGfx/Painter.h>
#include <LibGfx/StylePainter.h>
#include <LibWeb/CSS/StyleValue.h>
#include <LibWeb/CSS/ValueID.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/Layout/ImageBox.h>
@ -91,7 +93,9 @@ void ImageBox::paint(PaintContext& context, PaintPhase phase)
alt = image_element.src();
context.painter().draw_text(enclosing_int_rect(absolute_rect()), alt, Gfx::TextAlignment::Center, computed_values().color(), Gfx::TextElision::Right);
} else if (auto bitmap = m_image_loader.bitmap(m_image_loader.current_frame_index())) {
context.painter().draw_scaled_bitmap(rounded_int_rect(absolute_rect()), *bitmap, bitmap->rect(), 1.0f, Gfx::Painter::ScalingMode::BilinearBlend);
// FIXME: Support 'crisp-edges', 'smooth' and 'high-quality'
auto scaling_mode = computed_values().image_rendering() == CSS::ImageRendering::Pixelated ? Gfx::Painter::ScalingMode::NearestNeighbor : Gfx::Painter::ScalingMode::BilinearBlend;
context.painter().draw_scaled_bitmap(rounded_int_rect(absolute_rect()), *bitmap, bitmap->rect(), 1.0f, scaling_mode);
}
}
}