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| 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 #include "gm.h" |
| 8 #include "SkTypeface.h" |
| 9 |
| 10 namespace skiagm { |
| 11 |
| 12 class DevicePropertiesGM : public GM { |
| 13 public: |
| 14 DevicePropertiesGM() { |
| 15 this->setBGColor(0xFFFFFFFF); |
| 16 } |
| 17 |
| 18 virtual ~DevicePropertiesGM() { |
| 19 } |
| 20 |
| 21 protected: |
| 22 virtual SkString onShortName() { |
| 23 return SkString("deviceproperties"); |
| 24 } |
| 25 |
| 26 virtual SkISize onISize() { |
| 27 return make_isize(1450, 750); |
| 28 } |
| 29 |
| 30 static void rotate_about(SkCanvas* canvas, |
| 31 SkScalar degrees, |
| 32 SkScalar px, SkScalar py) { |
| 33 canvas->translate(px, py); |
| 34 canvas->rotate(degrees); |
| 35 canvas->translate(-px, -py); |
| 36 } |
| 37 |
| 38 virtual void onDraw(SkCanvas* originalCanvas) { |
| 39 SkISize size = this->getISize(); |
| 40 SkBitmap bitmap; |
| 41 bitmap.setConfig(SkBitmap::kARGB_8888_Config, size.width(), size.height(
)); |
| 42 bitmap.allocPixels(); |
| 43 SkDeviceProperties properties = SkDeviceProperties::Make( |
| 44 SkDeviceProperties::Geometry::Make(SkDeviceProperties::Geometry::kVe
rtical_Orientation, |
| 45 SkDeviceProperties::Geometry::kBG
R_Layout), |
| 46 SK_Scalar1); |
| 47 SkDevice device(bitmap, properties); |
| 48 SkCanvas canvas(&device); |
| 49 canvas.drawColor(SK_ColorWHITE); |
| 50 |
| 51 SkPaint paint; |
| 52 |
| 53 paint.setAntiAlias(true); |
| 54 paint.setLCDRenderText(true); |
| 55 //With freetype the default (normal hinting) can be really ugly. |
| 56 //Most distros now set slight (vertical hinting only) in any event. |
| 57 paint.setHinting(SkPaint::kSlight_Hinting); |
| 58 SkSafeUnref(paint.setTypeface(SkTypeface::CreateFromName("Times Roman",
SkTypeface::kNormal))); |
| 59 |
| 60 const char* text = "Hamburgefons ooo mmm"; |
| 61 const size_t textLen = strlen(text); |
| 62 |
| 63 for (int j = 0; j < 2; ++j) { |
| 64 for (int i = 0; i < 6; ++i) { |
| 65 SkScalar x = SkIntToScalar(10); |
| 66 SkScalar y = SkIntToScalar(20); |
| 67 |
| 68 SkAutoCanvasRestore acr(&canvas, true); |
| 69 canvas.translate(SkIntToScalar(50 + i * 230), |
| 70 SkIntToScalar(20)); |
| 71 rotate_about(&canvas, SkIntToScalar(i * 5), x, y * 10); |
| 72 |
| 73 { |
| 74 SkPaint p; |
| 75 p.setAntiAlias(true); |
| 76 SkRect r; |
| 77 r.set(x - SkIntToScalar(3), SkIntToScalar(15), |
| 78 x - SkIntToScalar(1), SkIntToScalar(280)); |
| 79 canvas.drawRect(r, p); |
| 80 } |
| 81 |
| 82 int index = 0; |
| 83 for (int ps = 6; ps <= 22; ps++) { |
| 84 paint.setTextSize(SkIntToScalar(ps)); |
| 85 canvas.drawText(text, textLen, x, y, paint); |
| 86 y += paint.getFontMetrics(NULL); |
| 87 index += 1; |
| 88 } |
| 89 } |
| 90 canvas.translate(0, SkIntToScalar(360)); |
| 91 paint.setSubpixelText(true); |
| 92 } |
| 93 originalCanvas->drawBitmap(bitmap, 0, 0); |
| 94 } |
| 95 |
| 96 #ifdef SK_BUILD_FOR_ANDROID |
| 97 virtual uint32_t onGetFlags() const SK_OVERRIDE { |
| 98 // On android, we fail due to bad gpu drivers (it seems) by adding too |
| 99 // much to our text atlas (texture). |
| 100 return kSkipGPU_Flag; |
| 101 } |
| 102 #endif |
| 103 |
| 104 private: |
| 105 typedef GM INHERITED; |
| 106 }; |
| 107 |
| 108 ////////////////////////////////////////////////////////////////////////////// |
| 109 |
| 110 static GM* MyFactory(void*) { return new DevicePropertiesGM; } |
| 111 static GMRegistry reg(MyFactory); |
| 112 |
| 113 } |
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