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