b3418103e9
Move the SVG rendering code to modules/svg, and componentize.
Also split into include/src/utils.
As external clients still reference the old header locations,
introduce temporary forwarding headers to facilitate the migration.
This reverts commit d6cf56fd34.
TBR=
Change-Id: Ibadd7c8dc0464ec0c27841530ade0c2098305d20
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/327344
Commit-Queue: Florin Malita <fmalita@google.com>
Reviewed-by: Florin Malita <fmalita@google.com>
129 lines
3.5 KiB
C++
129 lines
3.5 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 "include/core/SkTypes.h"
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#ifdef SK_XML
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#include "include/core/SkCanvas.h"
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#include "include/core/SkRect.h"
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#include "include/core/SkStream.h"
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#include "modules/svg/include/SkSVGDOM.h"
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#include "samplecode/Sample.h"
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#include "src/core/SkOSFile.h"
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#include "src/utils/SkOSPath.h"
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#include "src/xml/SkDOM.h"
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#include "tools/Resources.h"
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namespace {
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class AnimatedSVGSample : public Sample {
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static constexpr auto kAnimationIterations = 5;
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enum State {
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kZoomIn,
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kScroll,
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kZoomOut
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};
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sk_sp<SkSVGDOM> fDom;
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const char* fResource = nullptr;
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const char* fName = nullptr;
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State fState = kZoomIn;
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int fAnimationLoop = kAnimationIterations;
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SkScalar fDelta = 1;
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public:
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AnimatedSVGSample(const char* r, const char* n) : fResource(r), fName(n) {}
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private:
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void onOnceBeforeDraw() override {
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SkASSERT(fResource);
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auto data = GetResourceAsData(fResource);
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if (!data) {
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SkDebugf("Resource not found: \"%s\"\n", fResource);
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return;
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}
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SkMemoryStream svgStream(std::move(data));
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SkDOM xmlDom;
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if (!xmlDom.build(svgStream)) {
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SkDebugf("XML parsing failed: \"%s\"\n", fResource);
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return;
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}
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fDom = SkSVGDOM::MakeFromDOM(xmlDom);
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if (fDom) {
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fDom->setContainerSize(SkSize::Make(this->width(), this->height()));
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}
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}
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void onDrawContent(SkCanvas* canvas) override {
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if (fDom) {
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canvas->setMatrix(SkMatrix::Scale(3, 3));
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canvas->clipRect(SkRect::MakeLTRB(0, 0, 400, 400));
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switch (fState) {
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case kZoomIn:
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fDelta += 0.2f;
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canvas->scale(fDelta, fDelta);
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break;
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case kScroll:
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if (fAnimationLoop > kAnimationIterations/2) {
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fDelta += 80.f;
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} else {
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fDelta -= 80.f;
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}
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canvas->scale(fDelta, fDelta);
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canvas->translate(fDelta, 0);
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break;
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case kZoomOut:
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fDelta += 0.2f;
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canvas->scale(fDelta, fDelta);
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break;
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}
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fDom->render(canvas);
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}
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}
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void onSizeChange() override {
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if (fDom) {
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fDom->setContainerSize(SkSize::Make(this->width(), this->height()));
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}
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}
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SkString name() override { return SkASSERT(fName), SkString(fName); }
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bool onAnimate(double nanos) override {
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if (!fDom) {
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return false;
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}
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--fAnimationLoop;
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if (fAnimationLoop == 0) {
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fAnimationLoop = kAnimationIterations;
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switch (fState) {
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case kZoomIn:
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fState = kScroll;
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fDelta = 0;
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break;
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case kScroll:
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fState = kZoomOut;
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fDelta = 2;
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break;
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case kZoomOut:
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fState = kZoomIn;
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fDelta = 1;
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break;
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}
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}
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return true;
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}
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};
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} // namespace
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DEF_SAMPLE( return new AnimatedSVGSample("Cowboy.svg", "SampleCowboy"); )
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#endif // SK_XML
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