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- /*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "gm/gm.h"
- #include "include/core/SkAnnotation.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkColor.h"
- #include "include/core/SkData.h"
- #include "include/core/SkFont.h"
- #include "include/core/SkPaint.h"
- #include "include/core/SkPoint.h"
- #include "include/core/SkRect.h"
- #include "include/core/SkRefCnt.h"
- #include "include/core/SkScalar.h"
- #include "include/core/SkSize.h"
- #include "include/core/SkString.h"
- #include "include/core/SkTypeface.h"
- #include "tools/ToolUtils.h"
- namespace {
- /** Draws two rectangles. In output formats that support internal links (PDF),
- * clicking the one labeled "Link to A" should take you to the one labeled
- * "Target A". Note that you'll need to zoom your PDF viewer in a fair bit in
- * order for the scrolling to not be blocked by the edge of the document.
- */
- class InternalLinksGM : public skiagm::GM {
- void onOnceBeforeDraw() override { this->setBGColor(0xFFDDDDDD); }
- SkString onShortName() override { return SkString("internal_links"); }
- SkISize onISize() override { return {700, 500}; }
- void onDraw(SkCanvas* canvas) override {
- sk_sp<SkData> name(SkData::MakeWithCString("target-a"));
- canvas->save();
- canvas->translate(SkIntToScalar(100), SkIntToScalar(100));
- drawLabeledRect(canvas, "Link to A", 0, 0);
- SkRect rect = SkRect::MakeXYWH(0, 0, SkIntToScalar(50), SkIntToScalar(20));
- SkAnnotateLinkToDestination(canvas, rect, name.get());
- canvas->restore();
- canvas->save();
- canvas->translate(SkIntToScalar(200), SkIntToScalar(200));
- SkPoint point = SkPoint::Make(SkIntToScalar(100), SkIntToScalar(50));
- drawLabeledRect(canvas, "Target A", point.x(), point.y());
- SkAnnotateNamedDestination(canvas, point, name.get());
- canvas->restore();
- }
- /** Draw an arbitrary rectangle at a given location and label it with some
- * text. */
- void drawLabeledRect(SkCanvas* canvas, const char* text, SkScalar x, SkScalar y) {
- SkPaint paint;
- paint.setColor(SK_ColorBLUE);
- SkRect rect = SkRect::MakeXYWH(x, y,
- SkIntToScalar(50), SkIntToScalar(20));
- canvas->drawRect(rect, paint);
- SkFont font(ToolUtils::create_portable_typeface(), 25);
- paint.setColor(SK_ColorBLACK);
- canvas->drawString(text, x, y, font, paint);
- }
- };
- } // namespace
- DEF_GM( return new InternalLinksGM; )
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