xref: /third_party/skia/gm/annotated_text.cpp (revision cb93a386)
1/*
2 * Copyright 2015 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
8#include "gm/gm.h"
9#include "include/core/SkAnnotation.h"
10#include "include/core/SkCanvas.h"
11#include "include/core/SkColor.h"
12#include "include/core/SkData.h"
13#include "include/core/SkFont.h"
14#include "include/core/SkFontTypes.h"
15#include "include/core/SkPaint.h"
16#include "include/core/SkRect.h"
17#include "include/core/SkRefCnt.h"
18#include "include/core/SkScalar.h"
19
20#include <string.h>
21
22static void draw_url_annotated_text_with_box(
23        SkCanvas* canvas, const void* text,
24        SkScalar x, SkScalar y, const SkFont& font, const char* url) {
25    size_t byteLength = strlen(static_cast<const char*>(text));
26    SkRect bounds;
27    (void)font.measureText(text, byteLength, SkTextEncoding::kUTF8, &bounds);
28    bounds.offset(x, y);
29    sk_sp<SkData> urlData(SkData::MakeWithCString(url));
30    SkAnnotateRectWithURL(canvas, bounds, urlData.get());
31    SkPaint shade;
32    shade.setColor(0x80346180);
33    canvas->drawRect(bounds, shade);
34    canvas->drawSimpleText(text, byteLength, SkTextEncoding::kUTF8, x, y, font, SkPaint());
35}
36
37DEF_SIMPLE_GM(annotated_text, canvas, 512, 512) {
38    SkAutoCanvasRestore autoCanvasRestore(canvas, true);
39    canvas->clear(SK_ColorWHITE);
40    canvas->clipRect(SkRect::MakeXYWH(64, 64, 256, 256));
41    canvas->clear(0xFFEEEEEE);
42    SkFont font;
43    font.setEdging(SkFont::Edging::kAlias);
44    font.setSize(40);
45    const char text[] = "Click this link!";
46    const char url[] = "https://www.google.com/";
47    draw_url_annotated_text_with_box(canvas, text, 200.0f, 80.0f, font, url);
48    canvas->saveLayer(nullptr, nullptr);
49    canvas->rotate(90);
50    draw_url_annotated_text_with_box(canvas, text, 150.0f, -55.0f, font, url);
51    canvas->restore();
52}
53