fae8fceb4a
Add guard to transition clients Change-Id: Ia7a3e8f95722f91e84af262168dadf89a78707da Reviewed-on: https://skia-review.googlesource.com/c/skia/+/205720 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Mike Reed <reed@google.com> Auto-Submit: Mike Reed <reed@google.com>
86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
/*
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* Copyright 2017 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 "SkGradientShader.h"
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#include "SkSVGRadialGradient.h"
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#include "SkSVGRenderContext.h"
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#include "SkSVGValue.h"
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SkSVGRadialGradient::SkSVGRadialGradient() : INHERITED(SkSVGTag::kRadialGradient) {}
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void SkSVGRadialGradient::setCx(const SkSVGLength& cx) {
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fCx = cx;
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}
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void SkSVGRadialGradient::setCy(const SkSVGLength& cy) {
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fCy = cy;
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}
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void SkSVGRadialGradient::setR(const SkSVGLength& r) {
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fR = r;
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}
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void SkSVGRadialGradient::setFx(const SkSVGLength& fx) {
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fFx.set(fx);
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}
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void SkSVGRadialGradient::setFy(const SkSVGLength& fy) {
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fFy.set(fy);
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}
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void SkSVGRadialGradient::onSetAttribute(SkSVGAttribute attr, const SkSVGValue& v) {
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switch (attr) {
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case SkSVGAttribute::kCx:
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if (const auto* cx = v.as<SkSVGLengthValue>()) {
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this->setCx(*cx);
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}
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break;
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case SkSVGAttribute::kCy:
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if (const auto* cy = v.as<SkSVGLengthValue>()) {
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this->setCy(*cy);
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}
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break;
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case SkSVGAttribute::kR:
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if (const auto* r = v.as<SkSVGLengthValue>()) {
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this->setR(*r);
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}
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break;
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case SkSVGAttribute::kFx:
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if (const auto* fx = v.as<SkSVGLengthValue>()) {
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this->setFx(*fx);
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}
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break;
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case SkSVGAttribute::kFy:
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if (const auto* fy = v.as<SkSVGLengthValue>()) {
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this->setFy(*fy);
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}
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break;
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default:
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this->INHERITED::onSetAttribute(attr, v);
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}
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}
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sk_sp<SkShader> SkSVGRadialGradient::onMakeShader(const SkSVGRenderContext& ctx,
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const SkColor* colors, const SkScalar* pos,
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int count, SkTileMode tm,
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const SkMatrix& m) const {
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const auto& lctx = ctx.lengthContext();
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const auto r = lctx.resolve(fR , SkSVGLengthContext::LengthType::kOther);
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const auto center = SkPoint::Make(
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lctx.resolve(fCx, SkSVGLengthContext::LengthType::kHorizontal),
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lctx.resolve(fCy, SkSVGLengthContext::LengthType::kVertical));
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const auto focal = SkPoint::Make(
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fFx.isValid() ? lctx.resolve(*fFx.get(), SkSVGLengthContext::LengthType::kHorizontal)
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: center.x(),
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fFy.isValid() ? lctx.resolve(*fFy.get(), SkSVGLengthContext::LengthType::kVertical)
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: center.y());
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return center == focal
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? SkGradientShader::MakeRadial(center, r, colors, pos, count, tm, 0, &m)
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: SkGradientShader::MakeTwoPointConical(focal, 0, center, r, colors, pos, count, tm, 0, &m);
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}
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