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LibWeb: Replace SDFs with vector paths in CheckBoxPaintable
Initially, SDF rendering was adopted for checkbox rendering because our vector path renderer had not yet matured. This is no longer the case.
This commit is contained in:
parent
f9a7fc6263
commit
20c506f597
Notes:
sideshowbarker
2024-07-16 22:17:03 +09:00
Author: https://github.com/kalenikaliaksandr Commit: https://github.com/LadybirdBrowser/ladybird/commit/20c506f597 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/152
@ -19,56 +19,22 @@ namespace Web::Painting {
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JS_DEFINE_ALLOCATOR(CheckBoxPaintable);
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// A 16x16 signed distance field for the checkbox's tick (slightly rounded):
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static constexpr Array<u8, 16 * 16> s_check_mark_sdf {
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254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 251, 254, 254, 254,
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254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 231, 194, 189, 218, 254, 254,
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254, 254, 254, 254, 254, 254, 254, 254, 254, 245, 193, 142, 131, 165, 205, 254,
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254, 254, 254, 254, 254, 254, 254, 254, 254, 209, 156, 105, 78, 116, 174, 237,
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254, 254, 254, 254, 254, 254, 254, 254, 226, 173, 120, 69, 79, 132, 185, 243,
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254, 254, 254, 254, 254, 254, 254, 243, 190, 138, 85, 62, 115, 167, 219, 254,
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254, 254, 227, 203, 212, 249, 254, 207, 154, 102, 50, 98, 149, 202, 254, 254,
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254, 225, 180, 141, 159, 204, 224, 171, 119, 67, 81, 134, 186, 238, 254, 254,
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243, 184, 135, 90, 113, 157, 188, 136, 84, 64, 116, 169, 221, 254, 254, 254,
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237, 174, 118, 71, 68, 113, 153, 100, 48, 100, 152, 204, 254, 254, 254, 254,
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254, 208, 162, 116, 71, 67, 107, 65, 83, 135, 187, 240, 254, 254, 254, 254,
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254, 251, 206, 162, 116, 71, 43, 66, 119, 171, 223, 254, 254, 254, 254, 254,
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254, 254, 251, 206, 162, 116, 73, 102, 154, 207, 254, 254, 254, 254, 254, 254,
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254, 254, 254, 251, 206, 162, 124, 139, 190, 242, 254, 254, 254, 254, 254, 254,
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254, 254, 254, 254, 251, 210, 187, 194, 229, 254, 254, 254, 254, 254, 254, 254,
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254, 254, 254, 254, 254, 254, 251, 254, 254, 254, 254, 254, 254, 254, 254, 254
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};
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// A 16x16 signed distance field for an indeterminate checkbox (rounded line)
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// Note: We could use the AA fill_rect_with_rounded_corners() for this in future,
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// though right now it can't draw at subpixel accuracy (so is misaligned and jitters when scaling).
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static constexpr Array<u8, 16 * 16> s_check_indeterminate {
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254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254,
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254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254,
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254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254,
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254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254,
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254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254,
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254, 254, 254, 239, 211, 209, 209, 209, 209, 209, 209, 211, 237, 254, 254, 254,
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254, 254, 252, 195, 151, 145, 145, 145, 145, 145, 145, 150, 193, 250, 254, 254,
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254, 254, 243, 179, 115, 81, 81, 81, 81, 81, 81, 113, 177, 241, 254, 254,
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254, 254, 243, 179, 115, 79, 79, 79, 79, 79, 79, 113, 177, 241, 254, 254,
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254, 254, 251, 194, 149, 143, 143, 143, 143, 143, 143, 148, 192, 250, 254, 254,
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254, 254, 254, 237, 210, 207, 207, 207, 207, 207, 207, 209, 236, 254, 254, 254,
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254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254,
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254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254,
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254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254,
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254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254,
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254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254
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};
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static constexpr Gfx::GrayscaleBitmap check_mark_sdf()
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static Gfx::Path check_mark_path(Gfx::IntRect checkbox_rect)
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{
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return Gfx::GrayscaleBitmap(s_check_mark_sdf, 16, 16);
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}
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Gfx::Path path;
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path.move_to({ 72, 14 });
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path.line_to({ 37, 64 });
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path.line_to({ 19, 47 });
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path.line_to({ 8, 58 });
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path.line_to({ 40, 89 });
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path.line_to({ 85, 24 });
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path.close();
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static constexpr Gfx::GrayscaleBitmap check_indeterminate_sdf()
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{
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return Gfx::GrayscaleBitmap(s_check_indeterminate, 16, 16);
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float const checkmark_width = 100;
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float const checkmark_height = 100;
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Gfx::AffineTransform scale_checkmark_to_fit;
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scale_checkmark_to_fit.scale(checkbox_rect.width() / checkmark_width, checkbox_rect.height() / checkmark_height);
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return path.copy_transformed(scale_checkmark_to_fit);
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}
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JS::NonnullGCPtr<CheckBoxPaintable>
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@ -132,14 +98,17 @@ void CheckBoxPaintable::paint(PaintContext& context, PaintPhase phase) const
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};
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// Little heuristic that smaller things look better with more smoothness.
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float smoothness = 1.0f / (max(checkbox_rect.width(), checkbox_rect.height()) / 2);
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if (checkbox.checked() && !checkbox.indeterminate()) {
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auto background_color = enabled ? input_colors.accent : input_colors.mid_gray;
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context.recording_painter().fill_rect_with_rounded_corners(checkbox_rect, modify_color(background_color), checkbox_radius);
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auto tick_color = increase_contrast(input_colors.base, background_color);
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if (!enabled)
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tick_color = shade(tick_color, 0.5f);
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context.recording_painter().draw_signed_distance_field(checkbox_rect, tick_color, check_mark_sdf(), smoothness);
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context.recording_painter().fill_path({
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.path = check_mark_path(checkbox_rect),
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.color = tick_color,
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.translation = checkbox_rect.location().to_type<float>(),
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});
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} else {
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auto background_color = input_colors.background_color(enabled);
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auto border_thickness = max(1, checkbox_rect.width() / 10);
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@ -147,9 +116,10 @@ void CheckBoxPaintable::paint(PaintContext& context, PaintPhase phase) const
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context.recording_painter().fill_rect_with_rounded_corners(checkbox_rect.shrunken(border_thickness, border_thickness, border_thickness, border_thickness),
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background_color, max(0, checkbox_radius - border_thickness));
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if (checkbox.indeterminate()) {
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int radius = 0.05 * checkbox_rect.width();
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auto dash_color = increase_contrast(input_colors.dark_gray, background_color);
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context.recording_painter().draw_signed_distance_field(checkbox_rect,
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modify_color(enabled ? dash_color : shade(dash_color, 0.3f)), check_indeterminate_sdf(), smoothness);
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auto dash_rect = checkbox_rect.inflated(-0.4 * checkbox_rect.width(), -0.8 * checkbox_rect.height());
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context.recording_painter().fill_rect_with_rounded_corners(dash_rect, dash_color, radius, radius, radius, radius);
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}
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}
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}
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