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epoger@google.comb58772f2013-03-08 09:09:10 +00001/*
2 * Copyright 2013 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7#include "gm.h"
Mike Klein33d20552017-03-22 13:47:51 -04008#include "sk_tool_utils.h"
epoger@google.comb58772f2013-03-08 09:09:10 +00009
10#include "SkAnnotation.h"
11#include "SkData.h"
12
13namespace skiagm {
14
15/** Draws two rectangles. In output formats that support internal links (PDF),
16 * clicking the one labeled "Link to A" should take you to the one labeled
17 * "Target A". Note that you'll need to zoom your PDF viewer in a fair bit in
18 * order for the scrolling to not be blocked by the edge of the document.
19 */
20class InternalLinksGM : public GM {
21public:
22 InternalLinksGM() {
Mike Kleind46dce32018-08-16 10:17:03 -040023 this->setBGColor(0xFFDDDDDD);
epoger@google.comb58772f2013-03-08 09:09:10 +000024 }
25
26protected:
27 virtual SkString onShortName() {
28 return SkString("internal_links");
29 }
30
31 virtual SkISize onISize() {
tfarinaf5393182014-06-09 23:59:03 -070032 return SkISize::Make(700, 500);
epoger@google.comb58772f2013-03-08 09:09:10 +000033 }
34
35 virtual void onDraw(SkCanvas* canvas) {
bungeman38d909e2016-08-02 14:40:46 -070036 sk_sp<SkData> name(SkData::MakeWithCString("target-a"));
epoger@google.comb58772f2013-03-08 09:09:10 +000037
38 canvas->save();
39 canvas->translate(SkIntToScalar(100), SkIntToScalar(100));
40 drawLabeledRect(canvas, "Link to A", 0, 0);
41 SkRect rect = SkRect::MakeXYWH(0, 0, SkIntToScalar(50), SkIntToScalar(20));
42 SkAnnotateLinkToDestination(canvas, rect, name.get());
43 canvas->restore();
44
45 canvas->save();
46 canvas->translate(SkIntToScalar(200), SkIntToScalar(200));
47 SkPoint point = SkPoint::Make(SkIntToScalar(100), SkIntToScalar(50));
48 drawLabeledRect(canvas, "Target A", point.x(), point.y());
49 SkAnnotateNamedDestination(canvas, point, name.get());
50 canvas->restore();
51 }
52
epoger@google.comb58772f2013-03-08 09:09:10 +000053private:
54 /** Draw an arbitrary rectangle at a given location and label it with some
55 * text. */
56 void drawLabeledRect(SkCanvas* canvas, const char* text, SkScalar x, SkScalar y) {
57 SkPaint paint;
58 paint.setColor(SK_ColorBLUE);
59 SkRect rect = SkRect::MakeXYWH(x, y,
60 SkIntToScalar(50), SkIntToScalar(20));
61 canvas->drawRect(rect, paint);
62
63 paint.setAntiAlias(true);
caryclark1818acb2015-07-24 12:09:25 -070064 sk_tool_utils::set_portable_typeface(&paint);
epoger@google.comb58772f2013-03-08 09:09:10 +000065 paint.setTextSize(SkIntToScalar(25));
66 paint.setColor(SK_ColorBLACK);
Cary Clark2a475ea2017-04-28 15:35:12 -040067 canvas->drawString(text, x, y, paint);
epoger@google.comb58772f2013-03-08 09:09:10 +000068 }
69
70 typedef GM INHERITED;
71};
72
73//////////////////////////////////////////////////////////////////////////////
74
halcanary385fe4d2015-08-26 13:07:48 -070075static GM* MyFactory(void*) { return new InternalLinksGM; }
epoger@google.comb58772f2013-03-08 09:09:10 +000076static GMRegistry reg(MyFactory);
77
78}