commit-bot@chromium.org | c5fd461 | 2013-05-06 22:23:08 +0000 | [diff] [blame] | 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::kVertical_Orientation, |
| 45 | SkDeviceProperties::Geometry::kBGR_Layout), |
| 46 | SK_Scalar1); |
robertphillips@google.com | 9b051a3 | 2013-08-20 20:06:40 +0000 | [diff] [blame^] | 47 | SkDevice device(bitmap, properties); |
commit-bot@chromium.org | c5fd461 | 2013-05-06 22:23:08 +0000 | [diff] [blame] | 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 | } |