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-rw-r--r--src/xps/SkDocument_XPS.cpp82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/xps/SkDocument_XPS.cpp b/src/xps/SkDocument_XPS.cpp
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+++ b/src/xps/SkDocument_XPS.cpp
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+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkTypes.h"
+#if defined(SK_BUILD_FOR_WIN32)
+
+#include "SkDocument.h"
+#include "SkXPSDevice.h"
+#include "SkStream.h"
+
+class SkDocument_XPS : public SkDocument {
+public:
+ SkDocument_XPS(SkWStream* stream,
+ void (*doneProc)(SkWStream*, bool),
+ SkScalar dpi)
+ : SkDocument(stream, doneProc) {
+ const SkScalar kPointsPerMeter = SkDoubleToScalar(360000.0 / 127.0);
+ fUnitsPerMeter.set(kPointsPerMeter, kPointsPerMeter);
+ SkScalar pixelsPerMeterScale = SkDoubleToScalar(dpi * 5000.0 / 127.0);
+ fPixelsPerMeter.set(pixelsPerMeterScale, pixelsPerMeterScale);
+ fDevice.beginPortfolio(stream);
+ }
+
+ virtual ~SkDocument_XPS() {
+ // subclasses must call close() in their destructors
+ this->close();
+ }
+
+protected:
+ SkCanvas* onBeginPage(SkScalar width,
+ SkScalar height,
+ const SkRect& trimBox) override {
+ fDevice.beginSheet(fUnitsPerMeter, fPixelsPerMeter,
+ SkSize::Make(width, height));
+ fCanvas.reset(new SkCanvas(&fDevice));
+ fCanvas->clipRect(trimBox);
+ fCanvas->translate(trimBox.x(), trimBox.y());
+ return fCanvas.get();
+ }
+
+ void onEndPage() override {
+ SkASSERT(fCanvas.get());
+ fCanvas->flush();
+ fCanvas.reset(nullptr);
+ fDevice.endSheet();
+ }
+
+ bool onClose(SkWStream*) override {
+ SkASSERT(!fCanvas.get());
+ return fDevice.endPortfolio();
+ }
+
+ void onAbort() override {}
+
+private:
+ SkXPSDevice fDevice;
+ SkAutoTUnref<SkCanvas> fCanvas;
+ SkVector fUnitsPerMeter;
+ SkVector fPixelsPerMeter;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+SkDocument* SkDocument::CreateXPS(SkWStream* stream, SkScalar dpi) {
+ return stream ? new SkDocument_XPS(stream, nullptr, dpi) : nullptr;
+}
+
+static void delete_wstream(SkWStream* stream, bool aborted) { delete stream; }
+
+SkDocument* SkDocument::CreateXPS(const char path[], SkScalar dpi) {
+ SkAutoTDelete<SkFILEWStream> stream(new SkFILEWStream(path));
+ if (!stream->isValid()) {
+ return nullptr;
+ }
+ return new SkDocument_XPS(stream.detach(), delete_wstream, dpi);
+}
+
+#endif//defined(SK_BUILD_FOR_WIN32)