LibGfx: Delete DeprecatedPainter

This commit is contained in:
Pavel Shliak 2024-11-25 17:30:31 +04:00 committed by Alexander Kalenik
parent 1e67b85571
commit dbfe5be9ff
Notes: github-actions[bot] 2024-11-25 20:14:51 +00:00
27 changed files with 17 additions and 2068 deletions

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@ -1,33 +0,0 @@
/*
* Copyright (c) 2021, Ali Mohammad Pur <mpfard@serenityos.org>
* Copyright (c) 2022, Ben Maxwell <macdue@dueutil.tech>
* Copyright (c) 2022, Torsten Engelmann <engelTorsten@gmx.de>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#if defined(AK_COMPILER_GCC)
# pragma GCC optimize("O3")
#endif
#include <LibGfx/AntiAliasingPainter.h>
namespace Gfx {
void AntiAliasingPainter::stroke_path(DeprecatedPath const& path, Color color, float thickness)
{
if (thickness <= 0)
return;
// FIXME: Cache this? Probably at a higher level such as in LibWeb?
fill_path(path.stroke_to_fill(thickness), color);
}
void AntiAliasingPainter::stroke_path(DeprecatedPath const& path, Gfx::PaintStyle const& paint_style, float thickness, float opacity)
{
if (thickness <= 0)
return;
// FIXME: Cache this? Probably at a higher level such as in LibWeb?
fill_path(path.stroke_to_fill(thickness), paint_style, opacity);
}
}

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/*
* Copyright (c) 2021, Ali Mohammad Pur <mpfard@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGfx/Color.h>
#include <LibGfx/DeprecatedPath.h>
#include <LibGfx/Forward.h>
#include <LibGfx/PaintStyle.h>
#include <LibGfx/WindingRule.h>
namespace Gfx {
struct CornerRadius {
int horizontal_radius { 0 };
int vertical_radius { 0 };
inline operator bool() const
{
return horizontal_radius > 0 && vertical_radius > 0;
}
};
class AntiAliasingPainter {
public:
explicit AntiAliasingPainter(DeprecatedPainter& painter)
: m_underlying_painter(painter)
{
}
void fill_path(DeprecatedPath const&, Color, WindingRule rule = WindingRule::Nonzero);
void fill_path(DeprecatedPath const&, PaintStyle const& paint_style, float opacity = 1.0f, WindingRule rule = WindingRule::Nonzero);
void stroke_path(DeprecatedPath const&, Color, float thickness);
void stroke_path(DeprecatedPath const&, PaintStyle const& paint_style, float thickness, float opacity = 1.0f);
private:
DeprecatedPainter& m_underlying_painter;
};
}

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@ -3,15 +3,11 @@ include(vulkan)
set(SOURCES
AffineTransform.cpp
AntiAliasingPainter.cpp
Bitmap.cpp
BitmapSequence.cpp
CMYKBitmap.cpp
Color.cpp
DeltaE.cpp
DeprecatedPainter.cpp
DeprecatedPath.cpp
EdgeFlagPathRasterizer.cpp
FontCascadeList.cpp
Font/Font.cpp
Font/FontData.cpp

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/*
* Copyright (c) 2018-2021, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Forward.h>
#include <AK/NonnullRefPtr.h>
#include <AK/Vector.h>
#include <LibGfx/Color.h>
#include <LibGfx/Forward.h>
#include <LibGfx/LineStyle.h>
#include <LibGfx/PaintStyle.h>
#include <LibGfx/Point.h>
#include <LibGfx/Rect.h>
#include <LibGfx/WindingRule.h>
namespace Gfx {
ALWAYS_INLINE static Color color_for_format(BitmapFormat format, ARGB32 value)
{
switch (format) {
case BitmapFormat::BGRA8888:
return Color::from_argb(value);
case BitmapFormat::BGRx8888:
return Color::from_rgb(value);
// FIXME: Handle other formats
default:
VERIFY_NOT_REACHED();
}
}
class DeprecatedPainter {
public:
explicit DeprecatedPainter(Gfx::Bitmap&);
~DeprecatedPainter() = default;
void clear_rect(IntRect const&, Color);
void fill_rect(IntRect const&, Color);
void fill_rect(IntRect const&, PaintStyle const&);
void fill_rect_with_rounded_corners(IntRect const&, Color, int radius);
void fill_rect_with_rounded_corners(IntRect const&, Color, int top_left_radius, int top_right_radius, int bottom_right_radius, int bottom_left_radius);
void fill_ellipse(IntRect const&, Color);
void draw_rect(IntRect const&, Color, bool rough = false);
Optional<Color> get_pixel(IntPoint);
void draw_line(IntPoint, IntPoint, Color, int thickness = 1, LineStyle style = LineStyle::Solid, Color alternate_color = Color::Transparent);
void blit(IntPoint, Gfx::Bitmap const&, IntRect const& src_rect, float opacity = 1.0f, bool apply_alpha = true);
void blit_filtered(IntPoint, Gfx::Bitmap const&, IntRect const& src_rect, Function<Color(Color)> const&, bool apply_alpha = true);
enum class CornerOrientation {
TopLeft,
TopRight,
BottomRight,
BottomLeft
};
void fill_rounded_corner(IntRect const&, int radius, Color, CornerOrientation);
static void for_each_line_segment_on_bezier_curve(FloatPoint control_point, FloatPoint p1, FloatPoint p2, Function<void(FloatPoint, FloatPoint)>&);
static void for_each_line_segment_on_bezier_curve(FloatPoint control_point, FloatPoint p1, FloatPoint p2, Function<void(FloatPoint, FloatPoint)>&&);
static void for_each_line_segment_on_cubic_bezier_curve(FloatPoint control_point_0, FloatPoint control_point_1, FloatPoint p1, FloatPoint p2, Function<void(FloatPoint, FloatPoint)>&);
static void for_each_line_segment_on_cubic_bezier_curve(FloatPoint control_point_0, FloatPoint control_point_1, FloatPoint p1, FloatPoint p2, Function<void(FloatPoint, FloatPoint)>&&);
void stroke_path(DeprecatedPath const&, Color, int thickness);
void fill_path(DeprecatedPath const&, Color, WindingRule rule = WindingRule::Nonzero);
void fill_path(DeprecatedPath const&, PaintStyle const& paint_style, float opacity = 1.0f, WindingRule rule = WindingRule::Nonzero);
void add_clip_rect(IntRect const& rect);
void translate(int dx, int dy) { state().translation.translate_by({ dx, dy }); }
IntPoint translation() const { return state().translation; }
[[nodiscard]] Gfx::Bitmap& target() { return *m_target; }
void save() { m_state_stack.append(m_state_stack.last()); }
void restore()
{
VERIFY(m_state_stack.size() > 1);
m_state_stack.take_last();
}
IntRect clip_rect() const { return state().clip_rect; }
protected:
friend AntiAliasingPainter;
template<unsigned SamplesPerPixel>
friend class EdgeFlagPathRasterizer;
IntPoint to_physical(IntPoint p) const { return p.translated(translation()); }
void set_physical_pixel(u32& pixel, Color);
void fill_physical_scanline(int y, int x, int width, Color color);
void blit_with_opacity(IntPoint, Gfx::Bitmap const&, IntRect const& src_rect, float opacity, bool apply_alpha = true);
void draw_physical_pixel(IntPoint, Color, int thickness = 1);
void set_physical_pixel(IntPoint, Color color, bool blend);
struct State {
IntPoint translation;
IntRect clip_rect;
};
State& state() { return m_state_stack.last(); }
State const& state() const { return m_state_stack.last(); }
void fill_physical_rect(IntRect const&, Color);
NonnullRefPtr<Gfx::Bitmap> m_target;
Vector<State, 4> m_state_stack;
};
}

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/*
* Copyright (c) 2023-2024, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Memory.h>
#include <AK/Types.h>
#include <LibGfx/AntiAliasingPainter.h>
#include <LibGfx/DeprecatedPainter.h>
#include <LibGfx/EdgeFlagPathRasterizer.h>
#if defined(AK_COMPILER_GCC)
# pragma GCC optimize("O3")
#endif
// This an implementation of edge-flag scanline AA, as described in:
// https://mlab.taik.fi/~kkallio/antialiasing/EdgeFlagAA.pdf
namespace Gfx {
static Vector<Detail::Edge> prepare_edges(ReadonlySpan<FloatLine> lines, unsigned samples_per_pixel, FloatPoint origin,
int top_clip_scanline, int bottom_clip_scanline, int& min_edge_y, int& max_edge_y)
{
Vector<Detail::Edge> edges;
edges.ensure_capacity(lines.size());
// The first visible y value.
auto top_clip = top_clip_scanline * int(samples_per_pixel);
// The last visible y value.
auto bottom_clip = (bottom_clip_scanline + 1) * int(samples_per_pixel);
min_edge_y = bottom_clip;
max_edge_y = top_clip;
for (auto& line : lines) {
auto p0 = line.a() - origin;
auto p1 = line.b() - origin;
p0.scale_by(1, samples_per_pixel);
p1.scale_by(1, samples_per_pixel);
i8 winding = -1;
if (p0.y() > p1.y()) {
swap(p0, p1);
} else {
winding = 1;
}
if (p0.y() == p1.y())
continue;
auto min_y = static_cast<int>(p0.y());
auto max_y = static_cast<int>(p1.y());
// Clip edges that start below the bottom clip...
if (min_y > bottom_clip)
continue;
// ...and edges that end before the top clip.
if (max_y < top_clip)
continue;
auto start_x = p0.x();
auto end_x = p1.x();
auto dx = end_x - start_x;
auto dy = max_y - min_y;
if (dy == 0)
continue;
auto dxdy = dx / dy;
// Trim off the non-visible portions of the edge.
if (min_y < top_clip) {
start_x += dxdy * (top_clip - min_y);
min_y = top_clip;
}
if (max_y > bottom_clip)
max_y = bottom_clip;
min_edge_y = min(min_y, min_edge_y);
max_edge_y = max(max_y, max_edge_y);
edges.unchecked_append(Detail::Edge {
start_x,
min_y,
max_y,
dxdy,
winding,
nullptr });
}
return edges;
}
template<unsigned SamplesPerPixel>
EdgeFlagPathRasterizer<SamplesPerPixel>::EdgeFlagPathRasterizer(IntSize size)
: m_size(size.width() + 1, size.height() + 1)
{
}
template<unsigned SamplesPerPixel>
void EdgeFlagPathRasterizer<SamplesPerPixel>::fill(DeprecatedPainter& painter, DeprecatedPath const& path, Color color, WindingRule winding_rule, FloatPoint offset)
{
fill_internal(painter, path, color, winding_rule, offset);
}
template<unsigned SamplesPerPixel>
void EdgeFlagPathRasterizer<SamplesPerPixel>::fill(DeprecatedPainter& painter, DeprecatedPath const& path, PaintStyle const& style, float opacity, WindingRule winding_rule, FloatPoint offset)
{
style.paint(enclosing_int_rect(path.bounding_box()), [&](PaintStyle::SamplerFunction sampler) {
if (opacity == 0.0f)
return;
if (opacity != 1.0f) {
return fill_internal(
painter, path, [=, sampler = move(sampler)](IntPoint point) {
return sampler(point).with_opacity(opacity);
},
winding_rule, offset);
}
return fill_internal(painter, path, move(sampler), winding_rule, offset);
});
}
template<unsigned SamplesPerPixel>
void EdgeFlagPathRasterizer<SamplesPerPixel>::fill_internal(DeprecatedPainter& painter, DeprecatedPath const& path, auto color_or_function, WindingRule winding_rule, FloatPoint offset)
{
auto bounding_box = enclosing_int_rect(path.bounding_box().translated(offset));
auto dest_rect = bounding_box.translated(painter.translation());
auto origin = bounding_box.top_left().to_type<float>() - offset;
m_blit_origin = dest_rect.top_left();
m_clip = dest_rect.intersected(painter.clip_rect());
// Only allocate enough to plot the parts of the scanline that could be visible.
// Note: This can't clip the LHS.
auto scanline_length = min(m_size.width(), m_clip.right() - m_blit_origin.x());
if (scanline_length <= 0)
return;
m_scanline.resize(scanline_length);
if (m_clip.is_empty())
return;
auto lines = path.split_lines();
if (lines.is_empty())
return;
int min_edge_y = 0;
int max_edge_y = 0;
auto top_clip_scanline = m_clip.top() - m_blit_origin.y();
auto bottom_clip_scanline = m_clip.bottom() - m_blit_origin.y() - 1;
auto edges = prepare_edges(lines, SamplesPerPixel, origin, top_clip_scanline, bottom_clip_scanline, min_edge_y, max_edge_y);
if (edges.is_empty())
return;
int min_scanline = min_edge_y / SamplesPerPixel;
int max_scanline = max_edge_y / SamplesPerPixel;
m_edge_table.set_scanline_range(min_scanline, max_scanline);
for (auto& edge : edges) {
// Create a linked-list of edges starting on this scanline:
int start_scanline = edge.min_y / SamplesPerPixel;
edge.next_edge = m_edge_table[start_scanline];
m_edge_table[start_scanline] = &edge;
}
auto empty_edge_extent = [&] {
return EdgeExtent { m_size.width() - 1, 0 };
};
auto for_each_sample = [&](Detail::Edge& edge, int start_subpixel_y, int end_subpixel_y, EdgeExtent& edge_extent, auto callback) {
for (int y = start_subpixel_y; y < end_subpixel_y; y++) {
auto xi = static_cast<int>(edge.x + SubpixelSample::nrooks_subpixel_offsets[y]);
if (xi >= 0 && size_t(xi) < m_scanline.size()) [[likely]] {
SampleType sample = 1 << y;
callback(xi, y, sample);
} else if (xi < 0) {
if (edge.dxdy <= 0)
return;
} else {
xi = m_scanline.size() - 1;
}
edge.x += edge.dxdy;
edge_extent.min_x = min(edge_extent.min_x, xi);
edge_extent.max_x = max(edge_extent.max_x, xi);
}
};
Detail::Edge* active_edges = nullptr;
if (winding_rule == WindingRule::EvenOdd) {
auto plot_edge = [&](Detail::Edge& edge, int start_subpixel_y, int end_subpixel_y, EdgeExtent& edge_extent) {
for_each_sample(edge, start_subpixel_y, end_subpixel_y, edge_extent, [&](int xi, int, SampleType sample) {
m_scanline[xi] ^= sample;
});
};
for (int scanline = min_scanline; scanline <= max_scanline; scanline++) {
auto edge_extent = empty_edge_extent();
active_edges = plot_edges_for_scanline(scanline, plot_edge, edge_extent, active_edges);
write_scanline<WindingRule::EvenOdd>(painter, scanline, edge_extent, color_or_function);
}
} else {
VERIFY(winding_rule == WindingRule::Nonzero);
// Only allocate the winding buffer if needed.
// NOTE: non-zero fills are a fair bit less efficient. So if you can do an even-odd fill do that :^)
if (m_windings.is_empty())
m_windings.resize(m_scanline.size());
auto plot_edge = [&](Detail::Edge& edge, int start_subpixel_y, int end_subpixel_y, EdgeExtent& edge_extent) {
for_each_sample(edge, start_subpixel_y, end_subpixel_y, edge_extent, [&](int xi, int y, SampleType sample) {
m_scanline[xi] |= sample;
m_windings[xi].counts[y] += edge.winding;
});
};
for (int scanline = min_scanline; scanline <= max_scanline; scanline++) {
auto edge_extent = empty_edge_extent();
active_edges = plot_edges_for_scanline(scanline, plot_edge, edge_extent, active_edges);
write_scanline<WindingRule::Nonzero>(painter, scanline, edge_extent, color_or_function);
}
}
}
ALWAYS_INLINE static auto switch_on_color_or_function(auto& color_or_function, auto color_case, auto function_case)
{
using ColorOrFunction = decltype(color_or_function);
constexpr bool has_constant_color = IsSame<RemoveCVReference<ColorOrFunction>, Color>;
if constexpr (has_constant_color) {
return color_case(color_or_function);
} else {
return function_case(color_or_function);
}
}
template<unsigned SamplesPerPixel>
Color EdgeFlagPathRasterizer<SamplesPerPixel>::scanline_color(int scanline, int offset, u8 alpha, auto& color_or_function)
{
auto color = switch_on_color_or_function(
color_or_function, [](Color color) { return color; },
[&](auto& function) {
return function({ offset, scanline });
});
if (color.alpha() == 255)
return color.with_alpha(alpha, AlphaType::Premultiplied);
return color.with_alpha(color.alpha() * alpha / 255, AlphaType::Premultiplied);
}
template<unsigned SamplesPerPixel>
__attribute__((hot)) Detail::Edge* EdgeFlagPathRasterizer<SamplesPerPixel>::plot_edges_for_scanline(int scanline, auto plot_edge, EdgeExtent& edge_extent, Detail::Edge* active_edges)
{
auto y_subpixel = [](int y) {
return y & (SamplesPerPixel - 1);
};
auto* current_edge = active_edges;
Detail::Edge* prev_edge = nullptr;
// First iterate over the edge in the active edge table, these are edges added on earlier scanlines,
// that have not yet reached their end scanline.
while (current_edge) {
int end_scanline = current_edge->max_y / SamplesPerPixel;
if (scanline == end_scanline) {
// This edge ends this scanline.
plot_edge(*current_edge, 0, y_subpixel(current_edge->max_y), edge_extent);
// Remove this edge from the AET
current_edge = current_edge->next_edge;
if (prev_edge)
prev_edge->next_edge = current_edge;
else
active_edges = current_edge;
} else {
// This edge sticks around for a few more scanlines.
plot_edge(*current_edge, 0, SamplesPerPixel, edge_extent);
prev_edge = current_edge;
current_edge = current_edge->next_edge;
}
}
// Next, iterate over new edges for this line. If active_edges was null this also becomes the new
// AET. Edges new will be appended here.
current_edge = m_edge_table[scanline];
while (current_edge) {
int end_scanline = current_edge->max_y / SamplesPerPixel;
if (scanline == end_scanline) {
// This edge will end this scanlines (no need to add to AET).
plot_edge(*current_edge, y_subpixel(current_edge->min_y), y_subpixel(current_edge->max_y), edge_extent);
} else {
// This edge will live on for a few more scanlines.
plot_edge(*current_edge, y_subpixel(current_edge->min_y), SamplesPerPixel, edge_extent);
// Add this edge to the AET
if (prev_edge)
prev_edge->next_edge = current_edge;
else
active_edges = current_edge;
prev_edge = current_edge;
}
current_edge = current_edge->next_edge;
}
if (prev_edge)
prev_edge->next_edge = nullptr;
m_edge_table[scanline] = nullptr;
return active_edges;
}
template<unsigned SamplesPerPixel>
auto EdgeFlagPathRasterizer<SamplesPerPixel>::accumulate_even_odd_scanline(EdgeExtent edge_extent, auto init, auto sample_callback)
{
SampleType sample = init;
VERIFY(edge_extent.min_x >= 0);
VERIFY(edge_extent.max_x < static_cast<int>(m_scanline.size()));
for (int x = edge_extent.min_x; x <= edge_extent.max_x; x++) {
sample ^= m_scanline.data()[x];
sample_callback(x, sample);
m_scanline.data()[x] = 0;
}
return sample;
}
template<unsigned SamplesPerPixel>
auto EdgeFlagPathRasterizer<SamplesPerPixel>::accumulate_non_zero_scanline(EdgeExtent edge_extent, auto init, auto sample_callback)
{
NonZeroAcc acc = init;
VERIFY(edge_extent.min_x >= 0);
VERIFY(edge_extent.max_x < static_cast<int>(m_scanline.size()));
for (int x = edge_extent.min_x; x <= edge_extent.max_x; x++) {
if (auto edges = m_scanline.data()[x]) {
// We only need to process the windings when we hit some edges.
for (auto y_sub = 0u; y_sub < SamplesPerPixel; y_sub++) {
auto subpixel_bit = 1 << y_sub;
if (edges & subpixel_bit) {
auto winding = m_windings.data()[x].counts[y_sub];
auto previous_winding_count = acc.winding.counts[y_sub];
acc.winding.counts[y_sub] += winding;
// Toggle fill on change to/from zero.
if (bool(previous_winding_count) ^ bool(acc.winding.counts[y_sub]))
acc.sample ^= subpixel_bit;
}
}
}
sample_callback(x, acc.sample);
m_scanline.data()[x] = 0;
m_windings.data()[x] = {};
}
return acc;
}
template<unsigned SamplesPerPixel>
template<WindingRule WindingRule, typename Callback>
auto EdgeFlagPathRasterizer<SamplesPerPixel>::accumulate_scanline(EdgeExtent edge_extent, auto init, Callback callback)
{
if constexpr (WindingRule == WindingRule::EvenOdd)
return accumulate_even_odd_scanline(edge_extent, init, callback);
else
return accumulate_non_zero_scanline(edge_extent, init, callback);
}
template<unsigned SamplesPerPixel>
void EdgeFlagPathRasterizer<SamplesPerPixel>::write_pixel(BitmapFormat format, ARGB32* scanline_ptr, int scanline, int offset, SampleType sample, auto& color_or_function)
{
if (!sample)
return;
auto dest_x = offset + m_blit_origin.x();
auto coverage = SubpixelSample::compute_coverage(sample);
auto paint_color = scanline_color(scanline, offset, coverage_to_alpha(coverage), color_or_function);
scanline_ptr[dest_x] = color_for_format(format, scanline_ptr[dest_x]).blend(paint_color).value();
}
template<unsigned SamplesPerPixel>
void EdgeFlagPathRasterizer<SamplesPerPixel>::fast_fill_solid_color_span(ARGB32* scanline_ptr, int start, int end, Color color)
{
auto start_x = start + m_blit_origin.x();
auto end_x = end + m_blit_origin.x();
fast_u32_fill(scanline_ptr + start_x, color.value(), end_x - start_x + 1);
}
template<unsigned SamplesPerPixel>
template<WindingRule WindingRule>
FLATTEN __attribute__((hot)) void EdgeFlagPathRasterizer<SamplesPerPixel>::write_scanline(DeprecatedPainter& painter, int scanline, EdgeExtent edge_extent, auto& color_or_function)
{
// Handle scanline clipping.
auto left_clip = m_clip.left() - m_blit_origin.x();
EdgeExtent clipped_extent { max(left_clip, edge_extent.min_x), edge_extent.max_x };
if (clipped_extent.min_x > clipped_extent.max_x) {
// Fully clipped. Unfortunately we still need to zero the scanline data.
edge_extent.memset_extent(m_scanline.data(), 0);
if constexpr (WindingRule == WindingRule::Nonzero)
edge_extent.memset_extent(m_windings.data(), 0);
return;
}
// Accumulate non-visible section (without plotting pixels).
auto acc = accumulate_scanline<WindingRule>(EdgeExtent { edge_extent.min_x, left_clip - 1 }, initial_acc<WindingRule>(), [](int, SampleType) {
// Do nothing!
});
// Get pointer to current scanline pixels.
auto dest_format = painter.target().format();
auto dest_ptr = painter.target().scanline(scanline + m_blit_origin.y());
// Simple case: Handle each pixel individually.
// Used for PaintStyle fills and semi-transparent colors.
auto write_scanline_pixelwise = [&](auto& color_or_function) {
accumulate_scanline<WindingRule>(clipped_extent, acc, [&](int x, SampleType sample) {
write_pixel(dest_format, dest_ptr, scanline, x, sample, color_or_function);
});
};
// Fast fill case: Track spans of solid color and set the entire span via a fast_u32_fill().
// Used for opaque colors (i.e. alpha == 255).
auto write_scanline_with_fast_fills = [&](Color color) {
if (color.alpha() != 255)
return write_scanline_pixelwise(color);
constexpr SampleType full_coverage = NumericLimits<SampleType>::max();
int full_coverage_count = 0;
accumulate_scanline<WindingRule>(clipped_extent, acc, [&](int x, SampleType sample) {
if (sample == full_coverage) {
full_coverage_count++;
return;
} else {
write_pixel(dest_format, dest_ptr, scanline, x, sample, color);
}
if (full_coverage_count > 0) {
fast_fill_solid_color_span(dest_ptr, x - full_coverage_count, x - 1, color);
full_coverage_count = 0;
}
});
if (full_coverage_count > 0)
fast_fill_solid_color_span(dest_ptr, clipped_extent.max_x - full_coverage_count + 1, clipped_extent.max_x, color);
};
switch_on_color_or_function(
color_or_function, write_scanline_with_fast_fills, write_scanline_pixelwise);
}
static IntSize path_bounds(Gfx::DeprecatedPath const& path)
{
return enclosing_int_rect(path.bounding_box()).size();
}
// Note: The AntiAliasingPainter and DeprecatedPainter now perform the same antialiasing,
// since it would be harder to turn it off for the standard painter.
// The samples are reduced to 8 for Gfx::DeprecatedPainter though as a "speedy" option.
void DeprecatedPainter::fill_path(DeprecatedPath const& path, Color color, WindingRule winding_rule)
{
EdgeFlagPathRasterizer<8> rasterizer(path_bounds(path));
rasterizer.fill(*this, path, color, winding_rule);
}
void DeprecatedPainter::fill_path(DeprecatedPath const& path, PaintStyle const& paint_style, float opacity, WindingRule winding_rule)
{
EdgeFlagPathRasterizer<8> rasterizer(path_bounds(path));
rasterizer.fill(*this, path, paint_style, opacity, winding_rule);
}
void AntiAliasingPainter::fill_path(DeprecatedPath const& path, Color color, WindingRule winding_rule)
{
EdgeFlagPathRasterizer<32> rasterizer(path_bounds(path));
rasterizer.fill(m_underlying_painter, path, color, winding_rule, {});
}
void AntiAliasingPainter::fill_path(DeprecatedPath const& path, PaintStyle const& paint_style, float opacity, WindingRule winding_rule)
{
EdgeFlagPathRasterizer<32> rasterizer(path_bounds(path));
rasterizer.fill(m_underlying_painter, path, paint_style, opacity, winding_rule, {});
}
template class EdgeFlagPathRasterizer<8>;
template class EdgeFlagPathRasterizer<16>;
template class EdgeFlagPathRasterizer<32>;
}

View file

@ -1,239 +0,0 @@
/*
* Copyright (c) 2023, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Array.h>
#include <AK/GenericShorthands.h>
#include <AK/IntegralMath.h>
#include <AK/Vector.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/DeprecatedPath.h>
#include <LibGfx/Forward.h>
#include <LibGfx/PaintStyle.h>
#include <LibGfx/WindingRule.h>
namespace Gfx {
namespace Detail {
static auto constexpr coverage_lut = [] {
Array<u8, 256> coverage_lut {};
for (u32 sample = 0; sample <= 255; sample++)
coverage_lut[sample] = AK::popcount(sample);
return coverage_lut;
}();
template<unsigned SamplesPerPixel>
struct Sample {
static_assert(!first_is_one_of(SamplesPerPixel, 8u, 16u, 32u), "EdgeFlagPathRasterizer: Invalid samples per pixel!");
};
// See paper for diagrams for how these offsets work, but they allow for nicely spread out samples in each pixel.
template<>
struct Sample<8> {
using Type = u8;
static constexpr Array nrooks_subpixel_offsets {
(5.0f / 8.0f),
(0.0f / 8.0f),
(3.0f / 8.0f),
(6.0f / 8.0f),
(1.0f / 8.0f),
(4.0f / 8.0f),
(7.0f / 8.0f),
(2.0f / 8.0f),
};
static u8 compute_coverage(Type sample)
{
return coverage_lut[sample];
}
};
template<>
struct Sample<16> {
using Type = u16;
static constexpr Array nrooks_subpixel_offsets {
(1.0f / 16.0f),
(8.0f / 16.0f),
(4.0f / 16.0f),
(15.0f / 16.0f),
(11.0f / 16.0f),
(2.0f / 16.0f),
(6.0f / 16.0f),
(14.0f / 16.0f),
(10.0f / 16.0f),
(3.0f / 16.0f),
(7.0f / 16.0f),
(12.0f / 16.0f),
(0.0f / 16.0f),
(9.0f / 16.0f),
(5.0f / 16.0f),
(13.0f / 16.0f),
};
static u8 compute_coverage(Type sample)
{
return (
coverage_lut[(sample >> 0) & 0xff]
+ coverage_lut[(sample >> 8) & 0xff]);
}
};
template<>
struct Sample<32> {
using Type = u32;
static constexpr Array nrooks_subpixel_offsets {
(28.0f / 32.0f),
(13.0f / 32.0f),
(6.0f / 32.0f),
(23.0f / 32.0f),
(0.0f / 32.0f),
(17.0f / 32.0f),
(10.0f / 32.0f),
(27.0f / 32.0f),
(4.0f / 32.0f),
(21.0f / 32.0f),
(14.0f / 32.0f),
(31.0f / 32.0f),
(8.0f / 32.0f),
(25.0f / 32.0f),
(18.0f / 32.0f),
(3.0f / 32.0f),
(12.0f / 32.0f),
(29.0f / 32.0f),
(22.0f / 32.0f),
(7.0f / 32.0f),
(16.0f / 32.0f),
(1.0f / 32.0f),
(26.0f / 32.0f),
(11.0f / 32.0f),
(20.0f / 32.0f),
(5.0f / 32.0f),
(30.0f / 32.0f),
(15.0f / 32.0f),
(24.0f / 32.0f),
(9.0f / 32.0f),
(2.0f / 32.0f),
(19.0f / 32.0f),
};
static u8 compute_coverage(Type sample)
{
return (
coverage_lut[(sample >> 0) & 0xff]
+ coverage_lut[(sample >> 8) & 0xff]
+ coverage_lut[(sample >> 16) & 0xff]
+ coverage_lut[(sample >> 24) & 0xff]);
}
};
struct Edge {
float x;
int min_y;
int max_y;
float dxdy;
i8 winding;
Edge* next_edge;
};
}
template<unsigned SamplesPerPixel = 32>
class EdgeFlagPathRasterizer {
public:
EdgeFlagPathRasterizer(IntSize);
void fill(DeprecatedPainter&, DeprecatedPath const&, Color, WindingRule, FloatPoint offset = {});
void fill(DeprecatedPainter&, DeprecatedPath const&, PaintStyle const&, float opacity, WindingRule, FloatPoint offset = {});
private:
using SubpixelSample = Detail::Sample<SamplesPerPixel>;
using SampleType = typename SubpixelSample::Type;
static u8 coverage_to_alpha(u8 coverage)
{
constexpr auto alpha_shift = AK::log2(256 / SamplesPerPixel);
if (!coverage)
return 0;
return (coverage << alpha_shift) - 1;
}
struct EdgeExtent {
int min_x;
int max_x;
template<typename T>
void memset_extent(T* data, int value)
{
if (min_x <= max_x)
memset(data + min_x, value, (max_x - min_x + 1) * sizeof(T));
}
};
void fill_internal(DeprecatedPainter&, DeprecatedPath const&, auto color_or_function, WindingRule, FloatPoint offset);
Detail::Edge* plot_edges_for_scanline(int scanline, auto plot_edge, EdgeExtent&, Detail::Edge* active_edges = nullptr);
template<WindingRule>
FLATTEN void write_scanline(DeprecatedPainter&, int scanline, EdgeExtent, auto& color_or_function);
Color scanline_color(int scanline, int offset, u8 alpha, auto& color_or_function);
void write_pixel(BitmapFormat format, ARGB32* scanline_ptr, int scanline, int offset, SampleType sample, auto& color_or_function);
void fast_fill_solid_color_span(ARGB32* scanline_ptr, int start, int end, Color color);
template<WindingRule, typename Callback>
auto accumulate_scanline(EdgeExtent, auto, Callback);
auto accumulate_even_odd_scanline(EdgeExtent, auto, auto sample_callback);
auto accumulate_non_zero_scanline(EdgeExtent, auto, auto sample_callback);
struct WindingCounts {
// NOTE: This only allows up to 256 winding levels. Increase this if required (i.e. to an i16).
i8 counts[SamplesPerPixel];
};
struct NonZeroAcc {
SampleType sample;
WindingCounts winding;
};
template<WindingRule WindingRule>
constexpr auto initial_acc() const
{
if constexpr (WindingRule == WindingRule::EvenOdd)
return SampleType {};
else
return NonZeroAcc {};
}
IntSize m_size;
IntPoint m_blit_origin;
IntRect m_clip;
Vector<SampleType> m_scanline;
Vector<WindingCounts> m_windings;
class EdgeTable {
public:
EdgeTable() = default;
void set_scanline_range(int min_scanline, int max_scanline)
{
m_min_scanline = min_scanline;
m_edges.resize(max_scanline - min_scanline + 1);
}
auto& operator[](int scanline) { return m_edges[scanline - m_min_scanline]; }
private:
Vector<Detail::Edge*> m_edges;
int m_min_scanline { 0 };
} m_edge_table;
};
extern template class EdgeFlagPathRasterizer<8>;
extern template class EdgeFlagPathRasterizer<16>;
extern template class EdgeFlagPathRasterizer<32>;
}

View file

@ -22,13 +22,10 @@ class ScaledFont;
template<typename T>
class Line;
class AntiAliasingPainter;
class DeprecatedPainter;
class Painter;
class PaintingSurface;
class Palette;
class PaletteImpl;
class DeprecatedPath;
class Path;
class ShareableBitmap;
struct SystemTheme;

View file

@ -5,7 +5,6 @@
*/
#include <AK/Math.h>
#include <LibGfx/DeprecatedPainter.h>
#include <LibGfx/Gradients.h>
#include <LibGfx/PaintStyle.h>
@ -122,18 +121,6 @@ public:
return color;
}
void paint_into_physical_rect(DeprecatedPainter& painter, IntRect rect, auto location_transform)
{
auto clipped_rect = rect.intersected(painter.clip_rect());
auto start_offset = clipped_rect.location() - rect.location();
for (int y = 0; y < clipped_rect.height(); y++) {
for (int x = 0; x < clipped_rect.width(); x++) {
auto pixel = sample_color(location_transform(x + start_offset.x(), y + start_offset.y()));
painter.set_physical_pixel(clipped_rect.location().translated(x, y), pixel, m_requires_blending);
}
}
}
bool repeating() const
{
return m_repeat_mode != RepeatMode::None;
@ -171,11 +158,6 @@ struct Gradient {
{
}
void paint(DeprecatedPainter& painter, IntRect rect)
{
m_gradient_line.paint_into_physical_rect(painter, rect, m_transform_function);
}
template<typename CoordinateType = int>
auto sample_function()
{

View file

@ -8,7 +8,6 @@
*/
#include <AK/OwnPtr.h>
#include <LibGfx/DeprecatedPainter.h>
#include <LibGfx/PainterSkia.h>
#include <LibGfx/Quad.h>
#include <LibGfx/Rect.h>

View file

@ -6,7 +6,6 @@
#include <AK/Array.h>
#include <AK/NumberFormat.h>
#include <LibGfx/AntiAliasingPainter.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/HTML/AudioTrackList.h>
#include <LibWeb/HTML/HTMLAudioElement.h>

View file

@ -7,7 +7,6 @@
*/
#include <AK/CircularQueue.h>
#include <LibGfx/AntiAliasingPainter.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/Layout/Node.h>
@ -61,7 +60,7 @@ Gfx::Color border_color(BorderEdge edge, BordersDataDevicePixels const& borders_
return border_data.color;
}
void paint_border(DisplayListRecorder& painter, BorderEdge edge, DevicePixelRect const& rect, Gfx::CornerRadius const& radius, Gfx::CornerRadius const& opposite_radius, BordersDataDevicePixels const& borders_data, Gfx::Path& path, bool last)
void paint_border(DisplayListRecorder& painter, BorderEdge edge, DevicePixelRect const& rect, CornerRadius const& radius, CornerRadius const& opposite_radius, BordersDataDevicePixels const& borders_data, Gfx::Path& path, bool last)
{
auto const& border_data = [&] {
switch (edge) {

View file

@ -7,7 +7,6 @@
#pragma once
#include <LibGfx/AntiAliasingPainter.h>
#include <LibGfx/Forward.h>
#include <LibWeb/CSS/ComputedValues.h>
#include <LibWeb/Forward.h>
@ -26,7 +25,7 @@ enum class BorderEdge {
// Returns OptionalNone if there is no outline to paint.
Optional<BordersData> borders_data_for_outline(Layout::Node const&, Color outline_color, CSS::OutlineStyle outline_style, CSSPixels outline_width);
void paint_border(DisplayListRecorder& painter, BorderEdge edge, DevicePixelRect const& rect, Gfx::CornerRadius const& radius, Gfx::CornerRadius const& opposite_radius, BordersDataDevicePixels const& borders_data, Gfx::Path&, bool last);
void paint_border(DisplayListRecorder& painter, BorderEdge edge, DevicePixelRect const& rect, CornerRadius const& radius, CornerRadius const& opposite_radius, BordersDataDevicePixels const& borders_data, Gfx::Path&, bool last);
void paint_all_borders(DisplayListRecorder& painter, DevicePixelRect const& border_rect, CornerRadii const& corner_radii, BordersDataDevicePixels const&);
Gfx::Color border_color(BorderEdge edge, BordersDataDevicePixels const& borders_data);

View file

@ -10,9 +10,9 @@
namespace Web::Painting {
Gfx::CornerRadius BorderRadiusData::as_corner(PaintContext const& context) const
CornerRadius BorderRadiusData::as_corner(PaintContext const& context) const
{
return Gfx::CornerRadius {
return CornerRadius {
context.floored_device_pixels(horizontal_radius).value(),
context.floored_device_pixels(vertical_radius).value()
};

View file

@ -7,17 +7,25 @@
#pragma once
#include <LibGfx/AntiAliasingPainter.h>
#include <LibGfx/Forward.h>
#include <LibWeb/CSS/ComputedValues.h>
namespace Web::Painting {
struct CornerRadius {
int horizontal_radius { 0 };
int vertical_radius { 0 };
inline operator bool() const
{
return horizontal_radius > 0 && vertical_radius > 0;
}
};
struct BorderRadiusData {
CSSPixels horizontal_radius { 0 };
CSSPixels vertical_radius { 0 };
Gfx::CornerRadius as_corner(PaintContext const& context) const;
CornerRadius as_corner(PaintContext const& context) const;
inline operator bool() const
{
@ -39,8 +47,6 @@ struct BorderRadiusData {
}
};
using CornerRadius = Gfx::CornerRadius;
struct CornerRadii {
CornerRadius top_left;
CornerRadius top_right;

View file

@ -5,7 +5,6 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGfx/AntiAliasingPainter.h>
#include <LibGfx/Bitmap.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/HTML/HTMLImageElement.h>

View file

@ -11,7 +11,6 @@
#include <AK/SegmentedVector.h>
#include <AK/Utf8View.h>
#include <AK/Vector.h>
#include <LibGfx/AntiAliasingPainter.h>
#include <LibGfx/Color.h>
#include <LibGfx/Forward.h>
#include <LibGfx/Gradients.h>

View file

@ -11,7 +11,6 @@
#include <AK/SegmentedVector.h>
#include <AK/Utf8View.h>
#include <AK/Vector.h>
#include <LibGfx/AntiAliasingPainter.h>
#include <LibGfx/Color.h>
#include <LibGfx/Forward.h>
#include <LibGfx/Gradients.h>

View file

@ -343,7 +343,7 @@ void DisplayListRecorder::paint_text_shadow(int blur_radius, Gfx::IntRect boundi
.color = color });
}
void DisplayListRecorder::fill_rect_with_rounded_corners(Gfx::IntRect const& rect, Color color, Gfx::CornerRadius top_left_radius, Gfx::CornerRadius top_right_radius, Gfx::CornerRadius bottom_right_radius, Gfx::CornerRadius bottom_left_radius)
void DisplayListRecorder::fill_rect_with_rounded_corners(Gfx::IntRect const& rect, Color color, CornerRadius top_left_radius, CornerRadius top_right_radius, CornerRadius bottom_right_radius, CornerRadius bottom_left_radius)
{
if (rect.is_empty())
return;

View file

@ -11,7 +11,6 @@
#include <AK/SegmentedVector.h>
#include <AK/Utf8View.h>
#include <AK/Vector.h>
#include <LibGfx/AntiAliasingPainter.h>
#include <LibGfx/Color.h>
#include <LibGfx/Forward.h>
#include <LibGfx/Gradients.h>
@ -140,7 +139,7 @@ public:
void paint_inner_box_shadow_params(PaintBoxShadowParams params);
void paint_text_shadow(int blur_radius, Gfx::IntRect bounding_rect, Gfx::IntRect text_rect, Gfx::GlyphRun const&, double glyph_run_scale, Color color, Gfx::IntPoint draw_location);
void fill_rect_with_rounded_corners(Gfx::IntRect const& rect, Color color, Gfx::CornerRadius top_left_radius, Gfx::CornerRadius top_right_radius, Gfx::CornerRadius bottom_right_radius, Gfx::CornerRadius bottom_left_radius);
void fill_rect_with_rounded_corners(Gfx::IntRect const& rect, Color color, CornerRadius top_left_radius, CornerRadius top_right_radius, CornerRadius bottom_right_radius, CornerRadius bottom_left_radius);
void fill_rect_with_rounded_corners(Gfx::IntRect const& a_rect, Color color, int radius);
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);

View file

@ -5,7 +5,6 @@
*/
#include <LibGC/Heap.h>
#include <LibGfx/AntiAliasingPainter.h>
#include <LibWeb/Layout/ListItemMarkerBox.h>
#include <LibWeb/Painting/MarkerPaintable.h>

View file

@ -6,7 +6,6 @@
#include <AK/Array.h>
#include <AK/NumberFormat.h>
#include <LibGfx/AntiAliasingPainter.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/HTML/HTMLAudioElement.h>

View file

@ -7,7 +7,6 @@
*/
#include <AK/GenericShorthands.h>
#include <LibGfx/DeprecatedPainter.h>
#include <LibGfx/Font/ScaledFont.h>
#include <LibUnicode/CharacterTypes.h>
#include <LibWeb/CSS/SystemColor.h>

View file

@ -5,7 +5,6 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibGfx/AntiAliasingPainter.h>
#include <LibGfx/Quad.h>
#include <LibWeb/Painting/SVGPathPaintable.h>
#include <LibWeb/Painting/SVGSVGPaintable.h>

View file

@ -5,7 +5,6 @@
*/
#include <AK/Array.h>
#include <LibGfx/AntiAliasingPainter.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/HTML/HTMLMediaElement.h>
#include <LibWeb/HTML/HTMLVideoElement.h>

View file

@ -25,15 +25,12 @@ shared_library("LibGfx") {
public_configs = [ ":tiff_headers" ]
sources = [
"AffineTransform.cpp",
"AntiAliasingPainter.cpp",
"Bitmap.cpp",
"BitmapSequence.cpp",
"CMYKBitmap.cpp",
"Color.cpp",
"DeltaE.cpp",
"DeprecatedPainter.cpp",
"DeprecatedPath.cpp",
"EdgeFlagPathRasterizer.cpp",
"Font/Font.cpp",
"Font/FontData.cpp",
"Font/FontDatabase.cpp",

View file

@ -7,7 +7,6 @@
*/
#include <AK/TemporaryChange.h>
#include <LibGfx/DeprecatedPainter.h>
#include <LibGfx/ImageFormats/BMPWriter.h>
#include <LibWeb/HTML/SelectedFile.h>
#include <LibWebView/SearchEngine.h>