6fb0648c35
Group opacity support. Unlike the other presentation attributes we support thus far, group opacity is not inherited. R=robertphillips@google.com,stephana@google.com GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2246943002 Review-Url: https://codereview.chromium.org/2246943002
110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkCanvas.h"
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#include "SkMatrix.h"
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#include "SkSVGNode.h"
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#include "SkSVGRenderContext.h"
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#include "SkSVGValue.h"
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#include "SkTLazy.h"
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SkSVGNode::SkSVGNode(SkSVGTag t) : fTag(t) { }
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SkSVGNode::~SkSVGNode() { }
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void SkSVGNode::render(const SkSVGRenderContext& ctx) const {
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SkSVGRenderContext localContext(ctx);
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if (this->onPrepareToRender(&localContext)) {
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this->onRender(localContext);
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}
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}
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bool SkSVGNode::onPrepareToRender(SkSVGRenderContext* ctx) const {
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ctx->applyPresentationAttributes(fPresentationAttributes);
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return true;
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}
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void SkSVGNode::setAttribute(SkSVGAttribute attr, const SkSVGValue& v) {
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this->onSetAttribute(attr, v);
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}
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void SkSVGNode::setFill(const SkSVGPaint& svgPaint) {
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fPresentationAttributes.fFill.set(svgPaint);
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}
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void SkSVGNode::setFillOpacity(const SkSVGNumberType& opacity) {
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fPresentationAttributes.fFillOpacity.set(
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SkSVGNumberType(SkTPin<SkScalar>(opacity.value(), 0, 1)));
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}
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void SkSVGNode::setOpacity(const SkSVGNumberType& opacity) {
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fPresentationAttributes.fOpacity.set(
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SkSVGNumberType(SkTPin<SkScalar>(opacity.value(), 0, 1)));
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}
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void SkSVGNode::setStroke(const SkSVGPaint& svgPaint) {
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fPresentationAttributes.fStroke.set(svgPaint);
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}
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void SkSVGNode::setStrokeOpacity(const SkSVGNumberType& opacity) {
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fPresentationAttributes.fStrokeOpacity.set(
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SkSVGNumberType(SkTPin<SkScalar>(opacity.value(), 0, 1)));
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}
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void SkSVGNode::setStrokeWidth(const SkSVGLength& strokeWidth) {
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fPresentationAttributes.fStrokeWidth.set(strokeWidth);
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}
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void SkSVGNode::onSetAttribute(SkSVGAttribute attr, const SkSVGValue& v) {
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switch (attr) {
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case SkSVGAttribute::kFill:
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if (const SkSVGPaintValue* paint = v.as<SkSVGPaintValue>()) {
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this->setFill(*paint);
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}
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break;
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case SkSVGAttribute::kFillOpacity:
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if (const SkSVGNumberValue* opacity = v.as<SkSVGNumberValue>()) {
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this->setFillOpacity(*opacity);
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}
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break;
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case SkSVGAttribute::kOpacity:
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if (const SkSVGNumberValue* opacity = v.as<SkSVGNumberValue>()) {
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this->setOpacity(*opacity);
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}
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break;
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case SkSVGAttribute::kStroke:
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if (const SkSVGPaintValue* paint = v.as<SkSVGPaintValue>()) {
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this->setStroke(*paint);
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}
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break;
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case SkSVGAttribute::kStrokeOpacity:
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if (const SkSVGNumberValue* opacity = v.as<SkSVGNumberValue>()) {
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this->setStrokeOpacity(*opacity);
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}
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break;
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case SkSVGAttribute::kStrokeLineCap:
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if (const SkSVGLineCapValue* lineCap = v.as<SkSVGLineCapValue>()) {
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fPresentationAttributes.fStrokeLineCap.set(*lineCap);
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}
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break;
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case SkSVGAttribute::kStrokeLineJoin:
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if (const SkSVGLineJoinValue* lineJoin = v.as<SkSVGLineJoinValue>()) {
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fPresentationAttributes.fStrokeLineJoin.set(*lineJoin);
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}
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break;
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case SkSVGAttribute::kStrokeWidth:
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if (const SkSVGLengthValue* strokeWidth = v.as<SkSVGLengthValue>()) {
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this->setStrokeWidth(*strokeWidth);
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}
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break;
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default:
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SkDebugf("attribute ID <%d> ignored for node <%d>\n", attr, fTag);
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break;
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}
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}
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