mirror of
https://github.com/XITRIX/NXKit.git
synced 2026-05-30 11:46:52 +00:00
Daniil Vinogradov
76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
#include <CABlurLayer.h>
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#include <tools/Tools.hpp>
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#include "include/core/SkRRect.h"
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#include "include/effects/SkImageFilters.h"
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using namespace NXKit;
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CABlurLayer::CABlurLayer(): CALayer() {
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}
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CABlurLayer::CABlurLayer(CABlurLayer* layer): CALayer(layer) {
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_blurRadius = layer->_blurRadius;
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}
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std::shared_ptr<CALayer> CABlurLayer::copy() {
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return new_shared<CABlurLayer>(this);
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}
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void CABlurLayer::draw(SkCanvas* context) {
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SkPaint blurPaint;
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blurPaint.setAntiAlias(true);
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blurPaint.setStyle(SkPaint::kFill_Style);
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// blurPaint.setStrokeWidth(10);
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sk_sp<SkImageFilter> newBlurFilter = SkImageFilters::Blur(_blurRadius, _blurRadius, SkTileMode::kClamp, nullptr);
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blurPaint.setImageFilter(std::move(newBlurFilter));
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context->save();
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SkRect rect = SkRect::MakeXYWH(0, 0, bounds().width(), bounds().height());
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float radii = cornerRadius();
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SkVector corners[] = {{radii, radii}, {radii, radii}, {radii, radii}, {radii, radii}};
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SkRRect rrect;
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rrect.setRectRadii(rect, corners);
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context->clipRRect(rrect, true);
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// // Make a separate layer using the blur filter, clipped to the middle rectangle's bounds
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SkCanvas::SaveLayerRec slr(&rect, &blurPaint, SkCanvas::kInitWithPrevious_SaveLayerFlag);
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context->saveLayer(slr);
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context->restore();
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context->drawColor(_backgroundTintColor.raw());
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context->restore();
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}
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void CABlurLayer::setBlurRadius(NXFloat blurRadius) {
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if (_blurRadius == blurRadius) return;
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onWillSet("blurRadius");
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_blurRadius = blurRadius;
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}
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std::optional<AnimatableProperty> CABlurLayer::value(std::string forKeyPath) {
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if (forKeyPath == "blurRadius") return _blurRadius;
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return CALayer::value(forKeyPath);
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}
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void CABlurLayer::update(std::shared_ptr<CALayer> presentation, std::shared_ptr<CABasicAnimation> animation, float progress) {
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if (!animation->keyPath.has_value() || !animation->fromValue.has_value()) return;
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auto keyPath = animation->keyPath.value();
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auto fromValue = animation->fromValue.value();
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if (keyPath == "blurRadius") {
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auto start = any_optional_cast<NXFloat>(fromValue);
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if (!start.has_value()) { return; }
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auto end = any_optional_cast<NXFloat>(animation->toValue);
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if (!end.has_value()) end = this->_blurRadius;
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std::static_pointer_cast<CABlurLayer>(presentation)->setBlurRadius(start.value() + (end.value() - start.value()) * progress);
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}
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CALayer::update(presentation, animation, progress);
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}
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