63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
/*
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* Copyright 2015 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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#ifndef SkSVGCanvas_DEFINED
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#define SkSVGCanvas_DEFINED
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#include "include/core/SkTypes.h"
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#include <cstdint>
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#include <memory>
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class SkCanvas;
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class SkWStream;
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class SkPixmap;
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struct SkRect;
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class SK_API SkSVGCanvas {
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public:
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enum Flags {
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kConvertTextToPaths_Flag = 0x01, // emit text as <path>s
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kNoPrettyXML_Flag = 0x02, // suppress newlines and tabs in output
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kRelativePathEncoding_Flag = 0x04, // use relative commands for path encoding
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};
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using EncodePngCallback = bool (*)(SkWStream* dst, const SkPixmap& src);
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struct Options {
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Flags flags = static_cast<Flags>(0x00);
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/** Clients can provide a way to encode png.
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*
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* If `pngEncoder` is null and `SK_DISABLE_LEGACY_SVG_FACTORIES` isn't
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* set then this will be (temporarily, until the legacy mode is
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* removed) filled based on presence of
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* `SK_CODEC_ENCODES_PNG_WITH_RUST` and/or
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* `SK_CODEC_ENCODES_PNG_WITH_LIBPNG`.
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*/
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EncodePngCallback pngEncoder = nullptr;
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};
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/**
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* Returns a new canvas that will generate SVG commands from its draw calls, and send
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* them to the provided stream. Ownership of the stream is not transfered, and it must
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* remain valid for the lifetime of the returned canvas.
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*
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* The canvas may buffer some drawing calls, so the output is not guaranteed to be valid
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* or complete until the canvas instance is deleted.
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*
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* The 'bounds' parameter defines an initial SVG viewport (viewBox attribute on the root
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* SVG element).
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*/
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static std::unique_ptr<SkCanvas> Make(const SkRect& bounds, SkWStream*, Options opts);
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#if !defined(SK_DISABLE_LEGACY_SVG_FACTORIES)
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static std::unique_ptr<SkCanvas> Make(const SkRect& bounds, SkWStream*, uint32_t flags = 0);
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#endif
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};
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#endif
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