20 std::optional<Color> foreground_color) {
22 VALIDATION_LOG <<
"Invalid blend mode " <<
static_cast<int>(blend_mode)
23 <<
" passed to ColorFilterContents::MakeBlend.";
27 size_t total_inputs = inputs.size() + (foreground_color.has_value() ? 1 : 0);
29 auto blend = std::make_shared<BlendFilterContents>();
30 blend->SetInputs(inputs);
31 blend->SetBlendMode(blend_mode);
32 blend->SetForegroundColor(foreground_color);
36 auto blend_input = inputs[0];
37 std::shared_ptr<BlendFilterContents> new_blend;
38 for (
auto in_i = inputs.begin() + 1; in_i < inputs.end(); in_i++) {
39 new_blend = std::make_shared<BlendFilterContents>();
40 new_blend->SetInputs({blend_input, *in_i});
41 new_blend->SetBlendMode(blend_mode);
42 if (in_i < inputs.end() - 1 || foreground_color.has_value()) {
44 std::static_pointer_cast<FilterContents>(new_blend));
48 if (foreground_color.has_value()) {
49 new_blend = std::make_shared<BlendFilterContents>();
50 new_blend->SetInputs({blend_input});
51 new_blend->SetBlendMode(blend_mode);
52 new_blend->SetForegroundColor(foreground_color);
61 auto filter = std::make_shared<ColorMatrixFilterContents>();
62 filter->SetInputs({std::move(input)});
63 filter->SetMatrix(color_matrix);
67 std::shared_ptr<ColorFilterContents>
69 auto filter = std::make_shared<LinearToSrgbFilterContents>();
70 filter->SetInputs({std::move(input)});
74 std::shared_ptr<ColorFilterContents>
76 auto filter = std::make_shared<SrgbToLinearFilterContents>();
77 filter->SetInputs({std::move(input)});
86 absorb_opacity_ = absorb_opacity;
91 return absorb_opacity_;
103 const Matrix& effect_transform,
104 const Rect& output_limit)
const {