skia2/modules/svg/include/SkSVGImage.h
Tyler Denniston 2992fb0d60 [svg] Refactor SkSVGImage to expose image loading
This is in preparation for reusing the image loading + aspect ratio
mapping for <feImage>.

Change-Id: I53dcf904476aae386f672488379201524855a703
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/404217
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Tyler Denniston <tdenniston@google.com>
2021-05-04 19:46:45 +00:00

59 lines
1.9 KiB
C++

/*
* Copyright 2021 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkSVGImage_DEFINED
#define SkSVGImage_DEFINED
#include "modules/svg/include/SkSVGTransformableNode.h"
#include "modules/svg/include/SkSVGTypes.h"
namespace skresources {
class ResourceProvider;
}
class SkSVGImage final : public SkSVGTransformableNode {
public:
static sk_sp<SkSVGImage> Make() {
return sk_sp<SkSVGImage>(new SkSVGImage());
}
void appendChild(sk_sp<SkSVGNode>) override {
SkDebugf("cannot append child nodes to this element.\n");
}
bool onPrepareToRender(SkSVGRenderContext*) const override;
void onRender(const SkSVGRenderContext&) const override;
SkPath onAsPath(const SkSVGRenderContext&) const override;
SkRect onObjectBoundingBox(const SkSVGRenderContext&) const override;
struct ImageInfo {
sk_sp<SkImage> fImage;
SkRect fDst;
};
static ImageInfo LoadImage(const sk_sp<skresources::ResourceProvider>&,
const SkSVGIRI&,
const SkRect&,
SkSVGPreserveAspectRatio);
SVG_ATTR(X , SkSVGLength , SkSVGLength(0))
SVG_ATTR(Y , SkSVGLength , SkSVGLength(0))
SVG_ATTR(Width , SkSVGLength , SkSVGLength(0))
SVG_ATTR(Height , SkSVGLength , SkSVGLength(0))
SVG_ATTR(Href , SkSVGIRI , SkSVGIRI())
SVG_ATTR(PreserveAspectRatio, SkSVGPreserveAspectRatio, SkSVGPreserveAspectRatio())
protected:
bool parseAndSetAttribute(const char*, const char*) override;
private:
SkSVGImage() : INHERITED(SkSVGTag::kImage) {}
using INHERITED = SkSVGTransformableNode;
};
#endif // SkSVGImage_DEFINED