| /* |
| * 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" |
| #include "tools/fonts/FontToolUtils.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 getName() const override { return SkString("internal_links"); } |
| |
| SkISize getISize() 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::DefaultPortableTypeface(), 25); |
| paint.setColor(SK_ColorBLACK); |
| canvas->drawString(text, x, y, font, paint); |
| } |
| }; |
| } // namespace |
| |
| DEF_GM( return new InternalLinksGM; ) |