egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 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 "SkBitmap.h" |
| 9 | #include "SkGradientShader.h" |
| 10 | #include "SkShader.h" |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 11 | #include "../src/fonts/SkGScalerContext.h" |
| 12 | |
| 13 | namespace skiagm { |
| 14 | |
| 15 | static uint16_t gData[] = { 0xFFFF, 0xCCCF, 0xCCCF, 0xFFFF }; |
| 16 | |
| 17 | class ColorTypeXfermodeGM : public GM { |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 18 | public: |
| 19 | const static int W = 64; |
| 20 | const static int H = 64; |
bungeman | 13b9c95 | 2016-05-12 10:09:30 -0700 | [diff] [blame] | 21 | ColorTypeXfermodeGM() {} |
kkinnunen | b4a797f | 2015-05-21 06:15:28 -0700 | [diff] [blame] | 22 | |
| 23 | protected: |
| 24 | void onOnceBeforeDraw() override { |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 25 | const SkColor colors[] = { |
| 26 | SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, |
| 27 | SK_ColorMAGENTA, SK_ColorCYAN, SK_ColorYELLOW |
| 28 | }; |
| 29 | SkMatrix local; |
| 30 | local.setRotate(180); |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 31 | SkPaint paint; |
| 32 | paint.setAntiAlias(true); |
reed | 2ad1aa6 | 2016-03-09 09:50:50 -0800 | [diff] [blame] | 33 | paint.setShader(SkGradientShader::MakeSweep(0, 0, colors, nullptr, SK_ARRAY_COUNT(colors), |
| 34 | 0, &local)); |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 35 | |
mboc | ee6a991 | 2016-05-31 11:42:36 -0700 | [diff] [blame] | 36 | sk_sp<SkTypeface> orig(sk_tool_utils::create_portable_typeface("serif", |
| 37 | SkFontStyle::FromOldStyle(SkTypeface::kBold))); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 38 | if (nullptr == orig) { |
bungeman | 13b9c95 | 2016-05-12 10:09:30 -0700 | [diff] [blame] | 39 | orig = SkTypeface::MakeDefault(); |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 40 | } |
bungeman | 13b9c95 | 2016-05-12 10:09:30 -0700 | [diff] [blame] | 41 | fColorType = sk_make_sp<SkGTypeface>(orig, paint); |
kkinnunen | b4a797f | 2015-05-21 06:15:28 -0700 | [diff] [blame] | 42 | |
| 43 | fBG.installPixels(SkImageInfo::Make(2, 2, kARGB_4444_SkColorType, |
| 44 | kOpaque_SkAlphaType), gData, 4); |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 45 | } |
| 46 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 47 | virtual SkString onShortName() override { |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 48 | return SkString("colortype_xfermodes"); |
| 49 | } |
| 50 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 51 | virtual SkISize onISize() override { |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 52 | return SkISize::Make(400, 640); |
| 53 | } |
| 54 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 55 | virtual void onDraw(SkCanvas* canvas) override { |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 56 | canvas->translate(SkIntToScalar(10), SkIntToScalar(20)); |
| 57 | |
| 58 | const struct { |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 59 | SkBlendMode fMode; |
| 60 | const char* fLabel; |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 61 | } gModes[] = { |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 62 | { SkBlendMode::kClear, "Clear" }, |
| 63 | { SkBlendMode::kSrc, "Src" }, |
| 64 | { SkBlendMode::kDst, "Dst" }, |
| 65 | { SkBlendMode::kSrcOver, "SrcOver" }, |
| 66 | { SkBlendMode::kDstOver, "DstOver" }, |
| 67 | { SkBlendMode::kSrcIn, "SrcIn" }, |
| 68 | { SkBlendMode::kDstIn, "DstIn" }, |
| 69 | { SkBlendMode::kSrcOut, "SrcOut" }, |
| 70 | { SkBlendMode::kDstOut, "DstOut" }, |
| 71 | { SkBlendMode::kSrcATop, "SrcATop" }, |
| 72 | { SkBlendMode::kDstATop, "DstATop" }, |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 73 | |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 74 | { SkBlendMode::kXor, "Xor" }, |
| 75 | { SkBlendMode::kPlus, "Plus" }, |
| 76 | { SkBlendMode::kModulate, "Modulate" }, |
| 77 | { SkBlendMode::kScreen, "Screen" }, |
| 78 | { SkBlendMode::kOverlay, "Overlay" }, |
| 79 | { SkBlendMode::kDarken, "Darken" }, |
| 80 | { SkBlendMode::kLighten, "Lighten" }, |
| 81 | { SkBlendMode::kColorDodge, "ColorDodge" }, |
| 82 | { SkBlendMode::kColorBurn, "ColorBurn" }, |
| 83 | { SkBlendMode::kHardLight, "HardLight" }, |
| 84 | { SkBlendMode::kSoftLight, "SoftLight" }, |
| 85 | { SkBlendMode::kDifference, "Difference" }, |
| 86 | { SkBlendMode::kExclusion, "Exclusion" }, |
| 87 | { SkBlendMode::kMultiply, "Multiply" }, |
| 88 | { SkBlendMode::kHue, "Hue" }, |
| 89 | { SkBlendMode::kSaturation, "Saturation" }, |
| 90 | { SkBlendMode::kColor, "Color" }, |
| 91 | { SkBlendMode::kLuminosity, "Luminosity" }, |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 92 | }; |
| 93 | |
| 94 | const SkScalar w = SkIntToScalar(W); |
| 95 | const SkScalar h = SkIntToScalar(H); |
| 96 | SkMatrix m; |
| 97 | m.setScale(SkIntToScalar(6), SkIntToScalar(6)); |
reed | 2ad1aa6 | 2016-03-09 09:50:50 -0800 | [diff] [blame] | 98 | auto s = SkShader::MakeBitmapShader(fBG, SkShader::kRepeat_TileMode, |
| 99 | SkShader::kRepeat_TileMode, &m); |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 100 | |
| 101 | SkPaint labelP; |
| 102 | labelP.setAntiAlias(true); |
caryclark | 1818acb | 2015-07-24 12:09:25 -0700 | [diff] [blame] | 103 | sk_tool_utils::set_portable_typeface(&labelP); |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 104 | labelP.setTextAlign(SkPaint::kCenter_Align); |
| 105 | |
| 106 | SkPaint textP; |
| 107 | textP.setAntiAlias(true); |
| 108 | textP.setTypeface(fColorType); |
| 109 | textP.setTextSize(SkIntToScalar(70)); |
| 110 | |
| 111 | const int W = 5; |
| 112 | |
| 113 | SkScalar x0 = 0; |
| 114 | SkScalar y0 = 0; |
| 115 | SkScalar x = x0, y = y0; |
| 116 | for (size_t i = 0; i < SK_ARRAY_COUNT(gModes); i++) { |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 117 | SkRect r; |
| 118 | r.set(x, y, x+w, y+h); |
| 119 | |
| 120 | SkPaint p; |
| 121 | p.setStyle(SkPaint::kFill_Style); |
| 122 | p.setShader(s); |
| 123 | canvas->drawRect(r, p); |
| 124 | |
| 125 | r.inset(-SK_ScalarHalf, -SK_ScalarHalf); |
| 126 | p.setStyle(SkPaint::kStroke_Style); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 127 | p.setShader(nullptr); |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 128 | canvas->drawRect(r, p); |
| 129 | |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 130 | textP.setBlendMode(gModes[i].fMode); |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 131 | canvas->drawText("H", 1, x+ w/10.f, y + 7.f*h/8.f, textP); |
| 132 | #if 1 |
| 133 | canvas->drawText(gModes[i].fLabel, strlen(gModes[i].fLabel), |
| 134 | x + w/2, y - labelP.getTextSize()/2, labelP); |
| 135 | #endif |
| 136 | x += w + SkIntToScalar(10); |
| 137 | if ((i % W) == W - 1) { |
| 138 | x = x0; |
| 139 | y += h + SkIntToScalar(30); |
| 140 | } |
| 141 | } |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 142 | } |
| 143 | |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 144 | private: |
bungeman | 13b9c95 | 2016-05-12 10:09:30 -0700 | [diff] [blame] | 145 | SkBitmap fBG; |
| 146 | sk_sp<SkTypeface> fColorType; |
egdaniel | ed3af66 | 2014-10-31 06:55:45 -0700 | [diff] [blame] | 147 | |
| 148 | typedef GM INHERITED; |
| 149 | }; |
| 150 | |
| 151 | ////////////////////////////////////////////////////////////////////////////// |
| 152 | |
| 153 | static GM* MyFactory(void*) { return new ColorTypeXfermodeGM; } |
| 154 | static GMRegistry reg(MyFactory); |
| 155 | |
| 156 | } |