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LibWeb/Painting: Remove unused apply_filter_list() function

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No longer used after DisplayListPlayerCPU is gone.
This commit is contained in:
Aliaksandr Kalenik 2024-07-20 16:23:23 +02:00 • committed by Andreas Kling
parent 1ad35f4677
commit 48bd39c23c
Notes: github-actions[bot] 2024-07-21 11:26:56 +00:00
2 changed files with 0 additions and 81 deletions
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79
Userland/Libraries/LibWeb/Painting/FilterPainting.cpp
View file

@ -19,85 +19,6 @@
namespace Web::Painting {
void apply_filter_list(Gfx::Bitmap& target_bitmap, ReadonlySpan<CSS::ResolvedBackdropFilter::FilterFunction> filter_list)
{
auto apply_color_filter = [&](Gfx::ColorFilter const& filter) {
const_cast<Gfx::ColorFilter&>(filter).apply(target_bitmap, target_bitmap.rect(), target_bitmap, target_bitmap.rect());
};
for (auto& filter_function : filter_list) {
// See: https://drafts.fxtf.org/filter-effects-1/#supported-filter-functions
filter_function.visit(
[&](CSS::ResolvedBackdropFilter::Blur const& blur_filter) {
// Applies a Gaussian blur to the input image.
// The passed parameter defines the value of the standard deviation to the Gaussian function.
Gfx::StackBlurFilter filter { target_bitmap };
filter.process_rgba(blur_filter.radius, Color::Transparent);
},
[&](CSS::ResolvedBackdropFilter::ColorOperation const& color) {
auto amount = color.amount;
auto amount_clamped = clamp(amount, 0.0f, 1.0f);
switch (color.operation) {
case CSS::Filter::Color::Operation::Grayscale: {
// Converts the input image to grayscale. The passed parameter defines the proportion of the conversion.
// A value of 100% is completely grayscale. A value of 0% leaves the input unchanged.
apply_color_filter(Gfx::GrayscaleFilter { amount_clamped });
break;
}
case CSS::Filter::Color::Operation::Brightness: {
// Applies a linear multiplier to input image, making it appear more or less bright.
// A value of 0% will create an image that is completely black. A value of 100% leaves the input unchanged.
// Values of amount over 100% are allowed, providing brighter results.
apply_color_filter(Gfx::BrightnessFilter { amount });
break;
}
case CSS::Filter::Color::Operation::Contrast: {
// Adjusts the contrast of the input. A value of 0% will create an image that is completely gray.
// A value of 100% leaves the input unchanged. Values of amount over 100% are allowed, providing results with more contrast.
apply_color_filter(Gfx::ContrastFilter { amount });
break;
}
case CSS::Filter::Color::Operation::Invert: {
// Inverts the samples in the input image. The passed parameter defines the proportion of the conversion.
// A value of 100% is completely inverted. A value of 0% leaves the input unchanged.
apply_color_filter(Gfx::InvertFilter { amount_clamped });
break;
}
case CSS::Filter::Color::Operation::Opacity: {
// Applies transparency to the samples in the input image. The passed parameter defines the proportion of the conversion.
// A value of 0% is completely transparent. A value of 100% leaves the input unchanged.
apply_color_filter(Gfx::OpacityFilter { amount_clamped });
break;
}
case CSS::Filter::Color::Operation::Sepia: {
// Converts the input image to sepia. The passed parameter defines the proportion of the conversion.
// A value of 100% is completely sepia. A value of 0% leaves the input unchanged.
apply_color_filter(Gfx::SepiaFilter { amount_clamped });
break;
}
case CSS::Filter::Color::Operation::Saturate: {
// Saturates the input image. The passed parameter defines the proportion of the conversion.
// A value of 0% is completely un-saturated. A value of 100% leaves the input unchanged.
// Other values are linear multipliers on the effect.
// Values of amount over 100% are allowed, providing super-saturated results
apply_color_filter(Gfx::SaturateFilter { amount });
break;
}
default:
break;
}
},
[&](CSS::ResolvedBackdropFilter::HueRotate const& hue_rotate) {
// Applies a hue rotation on the input image.
// The passed parameter defines the number of degrees around the color circle the input samples will be adjusted.
// A value of 0deg leaves the input unchanged. Implementations must not normalize this value in order to allow animations beyond 360deg.
apply_color_filter(Gfx::HueRotateFilter { hue_rotate.angle_degrees });
},
[&](CSS::ResolvedBackdropFilter::DropShadow const&) {
dbgln("TODO: Implement drop-shadow() filter function!");
});
}
}
void apply_backdrop_filter(PaintContext& context, CSSPixelRect const& backdrop_rect, BorderRadiiData const& border_radii_data, CSS::ResolvedBackdropFilter const& backdrop_filter)
{
auto backdrop_region = context.rounded_device_rect(backdrop_rect);

2
Userland/Libraries/LibWeb/Painting/FilterPainting.h
View file

@ -12,8 +12,6 @@
namespace Web::Painting {
void apply_filter_list(Gfx::Bitmap& target_bitmap, ReadonlySpan<CSS::ResolvedBackdropFilter::FilterFunction> filter_list);
void apply_backdrop_filter(PaintContext&, CSSPixelRect const&, BorderRadiiData const&, CSS::ResolvedBackdropFilter const&);
}