mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-20 09:49:15 +03:00
f4a5c136c3
Before this change, we used Gfx::Bitmap to represent both decoded images that are not going to be mutated and bitmaps corresponding to canvases that could be mutated. This change introduces a wrapper for bitmaps that are not going to be mutated, so the painter could do caching: texture caching in the case of GPU painter and potentially scaled bitmap caching in the case of CPU painter.
545 lines
20 KiB
C++
545 lines
20 KiB
C++
/*
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* Copyright (c) 2023, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Forward.h>
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#include <AK/NonnullRefPtr.h>
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#include <AK/Utf8View.h>
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#include <AK/Vector.h>
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#include <LibGfx/AntiAliasingPainter.h>
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#include <LibGfx/Color.h>
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#include <LibGfx/Forward.h>
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#include <LibGfx/Gradients.h>
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#include <LibGfx/GrayscaleBitmap.h>
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#include <LibGfx/ImmutableBitmap.h>
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#include <LibGfx/PaintStyle.h>
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#include <LibGfx/Painter.h>
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#include <LibGfx/Palette.h>
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#include <LibGfx/Point.h>
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#include <LibGfx/Rect.h>
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#include <LibGfx/Size.h>
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#include <LibGfx/StylePainter.h>
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#include <LibGfx/TextAlignment.h>
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#include <LibGfx/TextDirection.h>
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#include <LibGfx/TextElision.h>
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#include <LibGfx/TextLayout.h>
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#include <LibGfx/TextWrapping.h>
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#include <LibWeb/CSS/Enums.h>
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#include <LibWeb/Painting/BorderRadiiData.h>
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#include <LibWeb/Painting/BorderRadiusCornerClipper.h>
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#include <LibWeb/Painting/GradientData.h>
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#include <LibWeb/Painting/PaintOuterBoxShadowParams.h>
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namespace Web::Painting {
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enum class CommandResult {
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Continue,
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SkipStackingContext,
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};
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struct DrawGlyphRun {
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Vector<Gfx::DrawGlyphOrEmoji> glyph_run;
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Color color;
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Gfx::IntRect rect;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return rect; }
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};
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struct DrawText {
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Gfx::IntRect rect;
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String raw_text;
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Gfx::TextAlignment alignment;
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Color color;
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Gfx::TextElision elision;
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Gfx::TextWrapping wrapping;
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Optional<NonnullRefPtr<Gfx::Font>> font {};
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return rect; }
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};
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struct FillRect {
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Gfx::IntRect rect;
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Color color;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return rect; }
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};
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struct DrawScaledBitmap {
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Gfx::IntRect dst_rect;
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NonnullRefPtr<Gfx::Bitmap> bitmap;
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Gfx::IntRect src_rect;
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Gfx::Painter::ScalingMode scaling_mode;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return dst_rect; }
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};
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struct DrawScaledImmutableBitmap {
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Gfx::IntRect dst_rect;
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NonnullRefPtr<Gfx::ImmutableBitmap> bitmap;
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Gfx::IntRect src_rect;
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Gfx::Painter::ScalingMode scaling_mode;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return dst_rect; }
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};
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struct SetClipRect {
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Gfx::IntRect rect;
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};
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struct ClearClipRect { };
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struct SetFont {
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NonnullRefPtr<Gfx::Font> font;
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};
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struct StackingContextTransform {
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Gfx::FloatPoint origin;
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Gfx::FloatMatrix4x4 matrix;
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};
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struct StackingContextMask {
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NonnullRefPtr<Gfx::Bitmap> mask_bitmap;
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Gfx::Bitmap::MaskKind mask_kind;
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};
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struct PushStackingContext {
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float opacity;
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bool is_fixed_position;
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// The bounding box of the source paintable (pre-transform).
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Gfx::IntRect source_paintable_rect;
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// A translation to be applied after the stacking context has been transformed.
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Gfx::IntPoint post_transform_translation;
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CSS::ImageRendering image_rendering;
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StackingContextTransform transform;
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Optional<StackingContextMask> mask = {};
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};
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struct PopStackingContext { };
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struct PaintLinearGradient {
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Gfx::IntRect gradient_rect;
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LinearGradientData linear_gradient_data;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return gradient_rect; }
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};
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struct PaintOuterBoxShadow {
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PaintOuterBoxShadowParams outer_box_shadow_params;
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[[nodiscard]] Gfx::IntRect bounding_rect() const;
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};
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struct PaintInnerBoxShadow {
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PaintOuterBoxShadowParams outer_box_shadow_params;
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};
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struct PaintTextShadow {
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int blur_radius;
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Gfx::IntRect shadow_bounding_rect;
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Gfx::IntRect text_rect;
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String text;
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NonnullRefPtr<Gfx::Font> font;
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Color color;
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int fragment_baseline;
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Gfx::IntPoint draw_location;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return { draw_location, shadow_bounding_rect.size() }; }
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};
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struct FillRectWithRoundedCorners {
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Gfx::IntRect rect;
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Color color;
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Gfx::AntiAliasingPainter::CornerRadius top_left_radius;
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Gfx::AntiAliasingPainter::CornerRadius top_right_radius;
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Gfx::AntiAliasingPainter::CornerRadius bottom_left_radius;
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Gfx::AntiAliasingPainter::CornerRadius bottom_right_radius;
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Optional<Gfx::FloatPoint> aa_translation {};
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return rect; }
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};
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struct FillPathUsingColor {
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Gfx::IntRect path_bounding_rect;
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Gfx::Path path;
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Color color;
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Gfx::Painter::WindingRule winding_rule;
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Optional<Gfx::FloatPoint> aa_translation {};
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return path_bounding_rect; }
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};
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struct FillPathUsingPaintStyle {
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Gfx::IntRect path_bounding_rect;
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Gfx::Path path;
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NonnullRefPtr<Gfx::PaintStyle> paint_style;
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Gfx::Painter::WindingRule winding_rule;
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float opacity;
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Optional<Gfx::FloatPoint> aa_translation {};
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return path_bounding_rect; }
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};
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struct StrokePathUsingColor {
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Gfx::IntRect path_bounding_rect;
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Gfx::Path path;
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Color color;
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float thickness;
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Optional<Gfx::FloatPoint> aa_translation {};
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return path_bounding_rect; }
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};
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struct StrokePathUsingPaintStyle {
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Gfx::IntRect path_bounding_rect;
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Gfx::Path path;
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NonnullRefPtr<Gfx::PaintStyle> paint_style;
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float thickness;
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float opacity = 1.0f;
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Optional<Gfx::FloatPoint> aa_translation {};
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return path_bounding_rect; }
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};
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struct DrawEllipse {
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Gfx::IntRect rect;
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Color color;
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int thickness;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return rect; }
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};
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struct FillEllipse {
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Gfx::IntRect rect;
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Color color;
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Gfx::AntiAliasingPainter::BlendMode blend_mode;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return rect; }
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};
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struct DrawLine {
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Color color;
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Gfx::IntPoint from;
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Gfx::IntPoint to;
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int thickness;
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Gfx::Painter::LineStyle style;
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Color alternate_color;
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};
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struct DrawSignedDistanceField {
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Gfx::IntRect rect;
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Color color;
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Gfx::GrayscaleBitmap sdf;
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float smoothing;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return rect; }
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};
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struct PaintProgressbar {
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Gfx::IntRect frame_rect;
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Gfx::IntRect progress_rect;
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Palette palette;
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int min;
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int max;
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int value;
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StringView text;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return frame_rect; }
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};
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struct PaintFrame {
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Gfx::IntRect rect;
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Palette palette;
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Gfx::FrameStyle style;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return rect; }
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};
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struct ApplyBackdropFilter {
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Gfx::IntRect backdrop_region;
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BorderRadiiData border_radii_data;
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CSS::ResolvedBackdropFilter backdrop_filter;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return backdrop_region; }
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};
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struct DrawRect {
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Gfx::IntRect rect;
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Color color;
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bool rough;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return rect; }
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};
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struct PaintRadialGradient {
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Gfx::IntRect rect;
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RadialGradientData radial_gradient_data;
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Gfx::IntPoint center;
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Gfx::IntSize size;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return rect; }
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};
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struct PaintConicGradient {
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Gfx::IntRect rect;
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ConicGradientData conic_gradient_data;
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Gfx::IntPoint position;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return rect; }
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};
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struct DrawTriangleWave {
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Gfx::IntPoint p1;
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Gfx::IntPoint p2;
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Color color;
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int amplitude;
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int thickness;
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};
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struct SampleUnderCorners {
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NonnullRefPtr<BorderRadiusCornerClipper> corner_clipper;
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[[nodiscard]] Gfx::IntRect bounding_rect() const;
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};
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struct BlitCornerClipping {
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NonnullRefPtr<BorderRadiusCornerClipper> corner_clipper;
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[[nodiscard]] Gfx::IntRect bounding_rect() const;
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};
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struct PaintBorders {
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DevicePixelRect border_rect;
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CornerRadii corner_radii;
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BordersDataDevicePixels borders_data;
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[[nodiscard]] Gfx::IntRect bounding_rect() const { return border_rect.to_type<int>(); }
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};
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using PaintingCommand = Variant<
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DrawGlyphRun,
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DrawText,
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FillRect,
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DrawScaledBitmap,
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DrawScaledImmutableBitmap,
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SetClipRect,
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ClearClipRect,
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SetFont,
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PushStackingContext,
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PopStackingContext,
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PaintLinearGradient,
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PaintRadialGradient,
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PaintConicGradient,
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PaintOuterBoxShadow,
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PaintInnerBoxShadow,
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PaintTextShadow,
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FillRectWithRoundedCorners,
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FillPathUsingColor,
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FillPathUsingPaintStyle,
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StrokePathUsingColor,
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StrokePathUsingPaintStyle,
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DrawEllipse,
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FillEllipse,
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DrawLine,
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DrawSignedDistanceField,
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PaintProgressbar,
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PaintFrame,
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ApplyBackdropFilter,
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DrawRect,
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DrawTriangleWave,
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SampleUnderCorners,
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BlitCornerClipping,
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PaintBorders>;
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class PaintingCommandExecutor {
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public:
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virtual ~PaintingCommandExecutor() = default;
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virtual CommandResult draw_glyph_run(Vector<Gfx::DrawGlyphOrEmoji> const& glyph_run, Color const&) = 0;
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virtual CommandResult draw_text(Gfx::IntRect const&, String const&, Gfx::TextAlignment alignment, Color const&, Gfx::TextElision, Gfx::TextWrapping, Optional<NonnullRefPtr<Gfx::Font>> const&) = 0;
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virtual CommandResult fill_rect(Gfx::IntRect const&, Color const&) = 0;
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virtual CommandResult draw_scaled_bitmap(Gfx::IntRect const& dst_rect, Gfx::Bitmap const& bitmap, Gfx::IntRect const& src_rect, Gfx::Painter::ScalingMode scaling_mode) = 0;
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virtual CommandResult draw_scaled_immutable_bitmap(Gfx::IntRect const& dst_rect, Gfx::ImmutableBitmap const&, Gfx::IntRect const& src_rect, Gfx::Painter::ScalingMode scaling_mode) = 0;
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virtual CommandResult set_clip_rect(Gfx::IntRect const& rect) = 0;
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virtual CommandResult clear_clip_rect() = 0;
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virtual CommandResult set_font(Gfx::Font const& font) = 0;
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virtual CommandResult push_stacking_context(float opacity, bool is_fixed_position, Gfx::IntRect const& source_paintable_rect, Gfx::IntPoint post_transform_translation, CSS::ImageRendering image_rendering, StackingContextTransform transform, Optional<StackingContextMask> mask) = 0;
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virtual CommandResult pop_stacking_context() = 0;
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virtual CommandResult paint_linear_gradient(Gfx::IntRect const&, LinearGradientData const&) = 0;
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virtual CommandResult paint_radial_gradient(Gfx::IntRect const& rect, RadialGradientData const&, Gfx::IntPoint const& center, Gfx::IntSize const& size) = 0;
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virtual CommandResult paint_conic_gradient(Gfx::IntRect const& rect, ConicGradientData const&, Gfx::IntPoint const& position) = 0;
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virtual CommandResult paint_outer_box_shadow(PaintOuterBoxShadowParams const&) = 0;
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virtual CommandResult paint_inner_box_shadow(PaintOuterBoxShadowParams const&) = 0;
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virtual CommandResult paint_text_shadow(int blur_radius, Gfx::IntRect const& shadow_bounding_rect, Gfx::IntRect const& text_rect, String const&, Gfx::Font const&, Color const&, int fragment_baseline, Gfx::IntPoint const& draw_location) = 0;
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virtual CommandResult fill_rect_with_rounded_corners(Gfx::IntRect const& rect, Color const& color, Gfx::AntiAliasingPainter::CornerRadius const& top_left_radius, Gfx::AntiAliasingPainter::CornerRadius const& top_right_radius, Gfx::AntiAliasingPainter::CornerRadius const& bottom_left_radius, Gfx::AntiAliasingPainter::CornerRadius const& bottom_right_radius, Optional<Gfx::FloatPoint> const& aa_translation) = 0;
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virtual CommandResult fill_path_using_color(Gfx::Path const&, Color const& color, Gfx::Painter::WindingRule, Optional<Gfx::FloatPoint> const& aa_translation) = 0;
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virtual CommandResult fill_path_using_paint_style(Gfx::Path const&, Gfx::PaintStyle const& paint_style, Gfx::Painter::WindingRule winding_rule, float opacity, Optional<Gfx::FloatPoint> const& aa_translation) = 0;
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virtual CommandResult stroke_path_using_color(Gfx::Path const&, Color const& color, float thickness, Optional<Gfx::FloatPoint> const& aa_translation) = 0;
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virtual CommandResult stroke_path_using_paint_style(Gfx::Path const&, Gfx::PaintStyle const& paint_style, float thickness, float opacity, Optional<Gfx::FloatPoint> const& aa_translation) = 0;
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virtual CommandResult draw_ellipse(Gfx::IntRect const&, Color const&, int thickness) = 0;
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virtual CommandResult fill_ellipse(Gfx::IntRect const&, Color const&, Gfx::AntiAliasingPainter::BlendMode blend_mode) = 0;
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virtual CommandResult draw_line(Color const& color, Gfx::IntPoint const& from, Gfx::IntPoint const& to, int thickness, Gfx::Painter::LineStyle, Color const& alternate_color) = 0;
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virtual CommandResult draw_signed_distance_field(Gfx::IntRect const& rect, Color const&, Gfx::GrayscaleBitmap const&, float smoothing) = 0;
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virtual CommandResult paint_progressbar(Gfx::IntRect const& frame_rect, Gfx::IntRect const& progress_rect, Palette const& palette, int min, int max, int value, StringView const& text) = 0;
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virtual CommandResult paint_frame(Gfx::IntRect const& rect, Palette const&, Gfx::FrameStyle) = 0;
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virtual CommandResult apply_backdrop_filter(Gfx::IntRect const& backdrop_region, Web::CSS::ResolvedBackdropFilter const& backdrop_filter) = 0;
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virtual CommandResult draw_rect(Gfx::IntRect const& rect, Color const&, bool rough) = 0;
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virtual CommandResult draw_triangle_wave(Gfx::IntPoint const& p1, Gfx::IntPoint const& p2, Color const& color, int amplitude, int thickness) = 0;
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virtual CommandResult sample_under_corners(BorderRadiusCornerClipper&) = 0;
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virtual CommandResult blit_corner_clipping(BorderRadiusCornerClipper&) = 0;
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virtual CommandResult paint_borders(DevicePixelRect const& border_rect, CornerRadii const& corner_radii, BordersDataDevicePixels const& borders_data) = 0;
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virtual bool would_be_fully_clipped_by_painter(Gfx::IntRect) const = 0;
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virtual bool needs_prepare_glyphs_texture() const { return false; }
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virtual void prepare_glyph_texture(HashMap<Gfx::Font const*, HashTable<u32>> const& unique_glyphs) = 0;
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};
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class RecordingPainter {
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public:
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void fill_rect(Gfx::IntRect const& rect, Color color);
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struct FillPathUsingColorParams {
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Gfx::Path path;
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Gfx::Color color;
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Gfx::Painter::WindingRule winding_rule = Gfx::Painter::WindingRule::EvenOdd;
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Optional<Gfx::FloatPoint> translation = {};
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};
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void fill_path(FillPathUsingColorParams params);
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struct FillPathUsingPaintStyleParams {
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Gfx::Path path;
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NonnullRefPtr<Gfx::PaintStyle> paint_style;
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Gfx::Painter::WindingRule winding_rule = Gfx::Painter::WindingRule::EvenOdd;
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float opacity;
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Optional<Gfx::FloatPoint> translation = {};
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};
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void fill_path(FillPathUsingPaintStyleParams params);
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struct StrokePathUsingColorParams {
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Gfx::Path path;
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Gfx::Color color;
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float thickness;
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Optional<Gfx::FloatPoint> translation = {};
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};
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void stroke_path(StrokePathUsingColorParams params);
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struct StrokePathUsingPaintStyleParams {
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Gfx::Path path;
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NonnullRefPtr<Gfx::PaintStyle> paint_style;
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float thickness;
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float opacity;
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Optional<Gfx::FloatPoint> translation = {};
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};
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void stroke_path(StrokePathUsingPaintStyleParams params);
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void draw_ellipse(Gfx::IntRect const& a_rect, Color color, int thickness);
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void fill_ellipse(Gfx::IntRect const& a_rect, Color color, Gfx::AntiAliasingPainter::BlendMode blend_mode = Gfx::AntiAliasingPainter::BlendMode::Normal);
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void fill_rect_with_linear_gradient(Gfx::IntRect const& gradient_rect, LinearGradientData const& data);
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void fill_rect_with_conic_gradient(Gfx::IntRect const& rect, ConicGradientData const& data, Gfx::IntPoint const& position);
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void fill_rect_with_radial_gradient(Gfx::IntRect const& rect, RadialGradientData const& data, Gfx::IntPoint center, Gfx::IntSize size);
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void draw_rect(Gfx::IntRect const& rect, Color color, bool rough = false);
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void draw_scaled_bitmap(Gfx::IntRect const& dst_rect, Gfx::Bitmap const& bitmap, Gfx::IntRect const& src_rect, Gfx::Painter::ScalingMode scaling_mode = Gfx::Painter::ScalingMode::NearestNeighbor);
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void draw_scaled_immutable_bitmap(Gfx::IntRect const& dst_rect, Gfx::ImmutableBitmap const& bitmap, Gfx::IntRect const& src_rect, Gfx::Painter::ScalingMode scaling_mode = Gfx::Painter::ScalingMode::NearestNeighbor);
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void draw_line(Gfx::IntPoint from, Gfx::IntPoint to, Color color, int thickness = 1, Gfx::Painter::LineStyle style = Gfx::Painter::LineStyle::Solid, Color alternate_color = Color::Transparent);
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void draw_text(Gfx::IntRect const&, StringView, Gfx::Font const&, Gfx::TextAlignment = Gfx::TextAlignment::TopLeft, Color = Color::Black, Gfx::TextElision = Gfx::TextElision::None, Gfx::TextWrapping = Gfx::TextWrapping::DontWrap);
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void draw_text(Gfx::IntRect const& rect, StringView raw_text, Gfx::TextAlignment alignment = Gfx::TextAlignment::TopLeft, Color color = Color::Black, Gfx::TextElision elision = Gfx::TextElision::None, Gfx::TextWrapping wrapping = Gfx::TextWrapping::DontWrap);
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void draw_signed_distance_field(Gfx::IntRect const& dst_rect, Color color, Gfx::GrayscaleBitmap const& sdf, float smoothing);
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// Streamlined text drawing routine that does no wrapping/elision/alignment.
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void draw_text_run(Gfx::IntPoint baseline_start, Utf8View string, Gfx::Font const& font, Color color, Gfx::IntRect const& rect);
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void add_clip_rect(Gfx::IntRect const& rect);
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void translate(int dx, int dy);
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void translate(Gfx::IntPoint delta);
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void set_font(Gfx::Font const& font);
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void save();
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void restore();
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struct PushStackingContextParams {
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float opacity;
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bool is_fixed_position;
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Gfx::IntRect source_paintable_rect;
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CSS::ImageRendering image_rendering;
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StackingContextTransform transform;
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Optional<StackingContextMask> mask = {};
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};
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void push_stacking_context(PushStackingContextParams params);
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void pop_stacking_context();
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void sample_under_corners(NonnullRefPtr<BorderRadiusCornerClipper> corner_clipper);
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void blit_corner_clipping(NonnullRefPtr<BorderRadiusCornerClipper> corner_clipper);
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void paint_progressbar(Gfx::IntRect frame_rect, Gfx::IntRect progress_rect, Palette palette, int min, int max, int value, StringView text);
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void paint_frame(Gfx::IntRect rect, Palette palette, Gfx::FrameStyle style);
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void apply_backdrop_filter(Gfx::IntRect const& backdrop_region, BorderRadiiData const& border_radii_data, CSS::ResolvedBackdropFilter const& backdrop_filter);
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void paint_outer_box_shadow_params(PaintOuterBoxShadowParams params);
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void paint_inner_box_shadow_params(PaintOuterBoxShadowParams params);
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void paint_text_shadow(int blur_radius, Gfx::IntRect bounding_rect, Gfx::IntRect text_rect, Utf8View text, Gfx::Font const& font, Color color, int fragment_baseline, Gfx::IntPoint draw_location);
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void fill_rect_with_rounded_corners(Gfx::IntRect const& rect, Color color, Gfx::AntiAliasingPainter::CornerRadius top_left_radius, Gfx::AntiAliasingPainter::CornerRadius top_right_radius, Gfx::AntiAliasingPainter::CornerRadius bottom_right_radius, Gfx::AntiAliasingPainter::CornerRadius bottom_left_radius);
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void fill_rect_with_rounded_corners(Gfx::IntRect const& a_rect, Color color, int radius);
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void fill_rect_with_rounded_corners(Gfx::IntRect const& a_rect, Color color, int top_left_radius, int top_right_radius, int bottom_right_radius, int bottom_left_radius);
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void draw_triangle_wave(Gfx::IntPoint a_p1, Gfx::IntPoint a_p2, Color color, int amplitude, int thickness);
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void paint_borders(DevicePixelRect const& border_rect, CornerRadii const& corner_radii, BordersDataDevicePixels const& borders_data);
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void execute(PaintingCommandExecutor&);
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RecordingPainter()
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{
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m_state_stack.append(State());
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}
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struct State {
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Gfx::AffineTransform translation;
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Optional<Gfx::IntRect> clip_rect;
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};
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State& state() { return m_state_stack.last(); }
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State const& state() const { return m_state_stack.last(); }
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private:
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void push_command(PaintingCommand command)
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{
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m_painting_commands.append(command);
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}
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Vector<PaintingCommand> m_painting_commands;
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Vector<State> m_state_stack;
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};
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class RecordingPainterStateSaver {
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public:
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explicit RecordingPainterStateSaver(RecordingPainter& painter)
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: m_painter(painter)
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{
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m_painter.save();
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}
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~RecordingPainterStateSaver()
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{
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m_painter.restore();
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}
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private:
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RecordingPainter& m_painter;
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};
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}
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