1/*
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
8#include "gm.h"
9
10namespace skiagm {
11
12class AndroidFallbackGM : public GM {
13public:
14    AndroidFallbackGM() {
15        this->setBGColor(0xFFCCCCCC);
16    }
17
18protected:
19    virtual uint32_t onGetFlags() const SK_OVERRIDE {
20        // TODO(scroggo): Undo this if we decide to fix skia:1763.
21        return GM::kSkipPipe_Flag;
22    }
23
24    virtual SkString onShortName() SK_OVERRIDE {
25        return SkString("android_paint");
26    }
27
28    virtual SkISize onISize() SK_OVERRIDE {
29        return SkISize::Make(500, 500);
30    }
31
32    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
33
34        SkPaint paint;
35        paint.setTextEncoding(SkPaint::kUTF16_TextEncoding);
36        paint.setTextSize(24);
37
38        SkPaintOptionsAndroid options = paint.getPaintOptionsAndroid();
39        options.setUseFontFallbacks(true);
40        paint.setPaintOptionsAndroid(options);
41
42        // "א foo 免舌 bar क"
43        const uint16_t unicodeStr[] = {0x05D0, 0x0020, 0x0066, 0x006F, 0x006F, 0x0020, 0x514D,
44                                       0x820c, 0x0020, 0x0062, 0x0061, 0x0072, 0x0020, 0x0915};
45        const int strLength = sizeof(unicodeStr) / sizeof(uint16_t);
46        const int strByteLength = sizeof(unicodeStr);
47
48        SkScalar posX[strLength];
49        SkPoint posXY[strLength];
50
51        for (int i = 0; i < strLength; ++i) {
52            posX[i] = SkIntToScalar(i * 24);
53            posXY[i].fX = posX[i];
54            posXY[i].fY = SkIntToScalar(24 + i);
55        }
56
57        canvas->translate(SkIntToScalar(10), SkIntToScalar(25));
58        // This currently causes the PDF backend to assert
59        // canvas->drawText(unicodeStr, strByteLength, 0, 0, paint);
60
61        canvas->translate(0, SkIntToScalar(75));
62        canvas->drawPosTextH(unicodeStr, strByteLength, posX, 0, paint);
63
64        options.setLanguage("ja");
65        paint.setPaintOptionsAndroid(options);
66
67        canvas->translate(0, SkIntToScalar(75));
68        canvas->drawPosText(unicodeStr, strByteLength, posXY, paint);
69
70        SkPath path;
71        path.moveTo(0, 0);
72        path.quadTo(50.0f, 100.0f, 250.0f, 150.0f);
73
74        canvas->translate(0, SkIntToScalar(75));
75        canvas->drawTextOnPath(unicodeStr, strByteLength, path, NULL, paint);
76    }
77
78private:
79    typedef GM INHERITED;
80};
81
82//////////////////////////////////////////////////////////////////////////////
83
84DEF_GM( return SkNEW(AndroidFallbackGM); )
85
86}
87