colortype.cpp revision 42e2cf71d5a867cbc442b8571cf91f8a7c07ead4 
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#include "SkCanvas.h"
10#include "SkGradientShader.h"
11#include "../src/fonts/SkGScalerContext.h"
12
13class ColorTypeGM : public skiagm::GM {
14public:
15    ColorTypeGM() {
16        const SkColor colors[] = {
17            SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE,
18            SK_ColorMAGENTA, SK_ColorCYAN, SK_ColorYELLOW
19        };
20        SkShader* s = SkGradientShader::CreateSweep(0,0, colors, NULL,
21                                                    SK_ARRAY_COUNT(colors));
22        SkMatrix local;
23        local.setRotate(180);
24        s->setLocalMatrix(local);
25
26        SkPaint paint;
27        paint.setAntiAlias(true);
28        paint.setShader(s)->unref();
29
30        SkAutoTUnref<SkTypeface> orig(SkTypeface::CreateFromName("Times",
31                                                         SkTypeface::kBold));
32        fColorType = SkNEW_ARGS(SkGTypeface, (orig, paint));
33    }
34
35    virtual ~ColorTypeGM() {
36        fColorType->unref();
37    }
38
39protected:
40    virtual SkString onShortName() SK_OVERRIDE {
41        return SkString("colortype");
42    }
43
44    virtual SkISize onISize() SK_OVERRIDE {
45        return SkISize::Make(640, 480);
46    }
47
48    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
49        SkPaint paint;
50        paint.setAntiAlias(true);
51        paint.setTypeface(fColorType);
52
53        for (int size = 10; size <= 100; size += 10) {
54            paint.setTextSize(size);
55            canvas->translate(0, paint.getFontMetrics(NULL));
56            canvas->drawText("Hamburgefons", 12, 10, 10, paint);
57        }
58    }
59
60    virtual uint32_t onGetFlags() const {
61        return kSkipPipe_Flag | kSkipPicture_Flag;
62    }
63
64private:
65    SkTypeface* fColorType;
66
67    typedef skiagm::GM INHERITED;
68};
69
70DEF_GM( return SkNEW(ColorTypeGM); )
71