schenney@chromium.org | 4da06ab | 2011-12-20 15:14:18 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011 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 "SkCanvas.h" |
| 9 | #include "SkPaint.h" |
| 10 | #include "SkRandom.h" |
| 11 | |
| 12 | namespace skiagm { |
| 13 | |
schenney@chromium.org | 45cbfdd | 2011-12-20 21:48:14 +0000 | [diff] [blame] | 14 | class QuadPathGM : public GM { |
| 15 | public: |
| 16 | QuadPathGM() {} |
| 17 | |
| 18 | protected: |
| 19 | SkString onShortName() { |
| 20 | return SkString("quadpath"); |
| 21 | } |
| 22 | |
| 23 | SkISize onISize() { return make_isize(1240, 390); } |
| 24 | |
| 25 | void drawPath(SkPath& path,SkCanvas* canvas,SkColor color, |
| 26 | const SkRect& clip,SkPaint::Cap cap, SkPaint::Join join, |
| 27 | SkPaint::Style style, SkPath::FillType fill, |
| 28 | SkScalar strokeWidth) { |
| 29 | path.setFillType(fill); |
| 30 | SkPaint paint; |
| 31 | paint.setStrokeCap(cap); |
| 32 | paint.setStrokeWidth(strokeWidth); |
| 33 | paint.setStrokeJoin(join); |
| 34 | paint.setColor(color); |
| 35 | paint.setStyle(style); |
| 36 | canvas->save(); |
| 37 | canvas->clipRect(clip); |
| 38 | canvas->drawPath(path, paint); |
| 39 | canvas->restore(); |
| 40 | } |
| 41 | |
| 42 | virtual void onDraw(SkCanvas* canvas) { |
| 43 | struct FillAndName { |
| 44 | SkPath::FillType fFill; |
| 45 | const char* fName; |
| 46 | }; |
| 47 | static const FillAndName gFills[] = { |
| 48 | {SkPath::kWinding_FillType, "Winding"}, |
| 49 | {SkPath::kEvenOdd_FillType, "Even / Odd"}, |
| 50 | {SkPath::kInverseWinding_FillType, "Inverse Winding"}, |
| 51 | {SkPath::kInverseEvenOdd_FillType, "Inverse Even / Odd"}, |
| 52 | }; |
| 53 | struct StyleAndName { |
| 54 | SkPaint::Style fStyle; |
| 55 | const char* fName; |
| 56 | }; |
| 57 | static const StyleAndName gStyles[] = { |
| 58 | {SkPaint::kFill_Style, "Fill"}, |
| 59 | {SkPaint::kStroke_Style, "Stroke"}, |
| 60 | {SkPaint::kStrokeAndFill_Style, "Stroke And Fill"}, |
| 61 | }; |
| 62 | struct CapAndName { |
| 63 | SkPaint::Cap fCap; |
| 64 | SkPaint::Join fJoin; |
| 65 | const char* fName; |
| 66 | }; |
| 67 | static const CapAndName gCaps[] = { |
| 68 | {SkPaint::kButt_Cap, SkPaint::kBevel_Join, "Butt"}, |
| 69 | {SkPaint::kRound_Cap, SkPaint::kRound_Join, "Round"}, |
| 70 | {SkPaint::kSquare_Cap, SkPaint::kBevel_Join, "Square"} |
| 71 | }; |
| 72 | struct PathAndName { |
| 73 | SkPath fPath; |
| 74 | const char* fName; |
| 75 | }; |
| 76 | PathAndName path; |
| 77 | path.fPath.moveTo(25*SK_Scalar1, 10*SK_Scalar1); |
| 78 | path.fPath.quadTo(50*SK_Scalar1, 20*SK_Scalar1, |
| 79 | 75*SK_Scalar1, 10*SK_Scalar1); |
| 80 | path.fName = "moveTo-quad"; |
| 81 | |
| 82 | SkPaint titlePaint; |
| 83 | titlePaint.setColor(SK_ColorBLACK); |
| 84 | titlePaint.setAntiAlias(true); |
| 85 | titlePaint.setLCDRenderText(true); |
| 86 | titlePaint.setTextSize(15 * SK_Scalar1); |
| 87 | const char title[] = "Quad Drawn Into Rectangle Clips With " |
| 88 | "Indicated Style, Fill and Linecaps, with stroke width 10"; |
| 89 | canvas->drawText(title, strlen(title), |
| 90 | 20 * SK_Scalar1, |
| 91 | 20 * SK_Scalar1, |
| 92 | titlePaint); |
| 93 | |
| 94 | SkRandom rand; |
| 95 | SkRect rect = SkRect::MakeWH(100*SK_Scalar1, 30*SK_Scalar1); |
| 96 | canvas->save(); |
| 97 | canvas->translate(10 * SK_Scalar1, 30 * SK_Scalar1); |
| 98 | canvas->save(); |
| 99 | for (size_t cap = 0; cap < SK_ARRAY_COUNT(gCaps); ++cap) { |
| 100 | if (0 < cap) { |
| 101 | canvas->translate((rect.width() + 40 * SK_Scalar1) * SK_ARRAY_COUNT(gStyles), 0); |
| 102 | } |
| 103 | canvas->save(); |
| 104 | for (size_t fill = 0; fill < SK_ARRAY_COUNT(gFills); ++fill) { |
| 105 | if (0 < fill) { |
| 106 | canvas->translate(0, rect.height() + 40 * SK_Scalar1); |
| 107 | } |
| 108 | canvas->save(); |
| 109 | for (size_t style = 0; style < SK_ARRAY_COUNT(gStyles); ++style) { |
| 110 | if (0 < style) { |
| 111 | canvas->translate(rect.width() + 40 * SK_Scalar1, 0); |
| 112 | } |
| 113 | |
| 114 | SkColor color = 0xff007000; |
| 115 | this->drawPath(path.fPath, canvas, color, rect, |
| 116 | gCaps[cap].fCap, gCaps[cap].fJoin, gStyles[style].fStyle, |
| 117 | gFills[fill].fFill, SK_Scalar1*10); |
| 118 | |
| 119 | SkPaint rectPaint; |
| 120 | rectPaint.setColor(SK_ColorBLACK); |
| 121 | rectPaint.setStyle(SkPaint::kStroke_Style); |
| 122 | rectPaint.setStrokeWidth(-1); |
| 123 | rectPaint.setAntiAlias(true); |
| 124 | canvas->drawRect(rect, rectPaint); |
| 125 | |
| 126 | SkPaint labelPaint; |
| 127 | labelPaint.setColor(color); |
| 128 | labelPaint.setAntiAlias(true); |
| 129 | labelPaint.setLCDRenderText(true); |
| 130 | labelPaint.setTextSize(10 * SK_Scalar1); |
| 131 | canvas->drawText(gStyles[style].fName, |
| 132 | strlen(gStyles[style].fName), |
| 133 | 0, rect.height() + 12 * SK_Scalar1, |
| 134 | labelPaint); |
| 135 | canvas->drawText(gFills[fill].fName, |
| 136 | strlen(gFills[fill].fName), |
| 137 | 0, rect.height() + 24 * SK_Scalar1, |
| 138 | labelPaint); |
| 139 | canvas->drawText(gCaps[cap].fName, |
| 140 | strlen(gCaps[cap].fName), |
| 141 | 0, rect.height() + 36 * SK_Scalar1, |
| 142 | labelPaint); |
| 143 | } |
| 144 | canvas->restore(); |
| 145 | } |
| 146 | canvas->restore(); |
| 147 | } |
| 148 | canvas->restore(); |
| 149 | canvas->restore(); |
| 150 | } |
| 151 | |
| 152 | private: |
| 153 | typedef GM INHERITED; |
| 154 | }; |
| 155 | |
| 156 | class QuadClosePathGM : public GM { |
| 157 | public: |
| 158 | QuadClosePathGM() {} |
| 159 | |
| 160 | protected: |
| 161 | SkString onShortName() { |
| 162 | return SkString("quadclosepath"); |
| 163 | } |
| 164 | |
| 165 | SkISize onISize() { return make_isize(1240, 390); } |
| 166 | |
| 167 | void drawPath(SkPath& path,SkCanvas* canvas,SkColor color, |
| 168 | const SkRect& clip,SkPaint::Cap cap, SkPaint::Join join, |
| 169 | SkPaint::Style style, SkPath::FillType fill, |
| 170 | SkScalar strokeWidth) { |
| 171 | path.setFillType(fill); |
| 172 | SkPaint paint; |
| 173 | paint.setStrokeCap(cap); |
| 174 | paint.setStrokeWidth(strokeWidth); |
| 175 | paint.setStrokeJoin(join); |
| 176 | paint.setColor(color); |
| 177 | paint.setStyle(style); |
| 178 | canvas->save(); |
| 179 | canvas->clipRect(clip); |
| 180 | canvas->drawPath(path, paint); |
| 181 | canvas->restore(); |
| 182 | } |
| 183 | |
| 184 | virtual void onDraw(SkCanvas* canvas) { |
| 185 | struct FillAndName { |
| 186 | SkPath::FillType fFill; |
| 187 | const char* fName; |
| 188 | }; |
| 189 | static const FillAndName gFills[] = { |
| 190 | {SkPath::kWinding_FillType, "Winding"}, |
| 191 | {SkPath::kEvenOdd_FillType, "Even / Odd"}, |
| 192 | {SkPath::kInverseWinding_FillType, "Inverse Winding"}, |
| 193 | {SkPath::kInverseEvenOdd_FillType, "Inverse Even / Odd"}, |
| 194 | }; |
| 195 | struct StyleAndName { |
| 196 | SkPaint::Style fStyle; |
| 197 | const char* fName; |
| 198 | }; |
| 199 | static const StyleAndName gStyles[] = { |
| 200 | {SkPaint::kFill_Style, "Fill"}, |
| 201 | {SkPaint::kStroke_Style, "Stroke"}, |
| 202 | {SkPaint::kStrokeAndFill_Style, "Stroke And Fill"}, |
| 203 | }; |
| 204 | struct CapAndName { |
| 205 | SkPaint::Cap fCap; |
| 206 | SkPaint::Join fJoin; |
| 207 | const char* fName; |
| 208 | }; |
| 209 | static const CapAndName gCaps[] = { |
| 210 | {SkPaint::kButt_Cap, SkPaint::kBevel_Join, "Butt"}, |
| 211 | {SkPaint::kRound_Cap, SkPaint::kRound_Join, "Round"}, |
| 212 | {SkPaint::kSquare_Cap, SkPaint::kBevel_Join, "Square"} |
| 213 | }; |
| 214 | struct PathAndName { |
| 215 | SkPath fPath; |
| 216 | const char* fName; |
| 217 | }; |
| 218 | PathAndName path; |
| 219 | path.fPath.moveTo(25*SK_Scalar1, 10*SK_Scalar1); |
| 220 | path.fPath.quadTo(50*SK_Scalar1, 20*SK_Scalar1, |
| 221 | 75*SK_Scalar1, 10*SK_Scalar1); |
| 222 | path.fPath.close(); |
| 223 | path.fName = "moveTo-quad-close"; |
| 224 | |
| 225 | SkPaint titlePaint; |
| 226 | titlePaint.setColor(SK_ColorBLACK); |
| 227 | titlePaint.setAntiAlias(true); |
| 228 | titlePaint.setLCDRenderText(true); |
| 229 | titlePaint.setTextSize(15 * SK_Scalar1); |
| 230 | const char title[] = "Quad Closed Drawn Into Rectangle Clips With " |
| 231 | "Indicated Style, Fill and Linecaps, with stroke width 10"; |
| 232 | canvas->drawText(title, strlen(title), |
| 233 | 20 * SK_Scalar1, |
| 234 | 20 * SK_Scalar1, |
| 235 | titlePaint); |
| 236 | |
| 237 | SkRandom rand; |
| 238 | SkRect rect = SkRect::MakeWH(100*SK_Scalar1, 30*SK_Scalar1); |
| 239 | canvas->save(); |
| 240 | canvas->translate(10 * SK_Scalar1, 30 * SK_Scalar1); |
| 241 | canvas->save(); |
| 242 | for (size_t cap = 0; cap < SK_ARRAY_COUNT(gCaps); ++cap) { |
| 243 | if (0 < cap) { |
| 244 | canvas->translate((rect.width() + 40 * SK_Scalar1) * SK_ARRAY_COUNT(gStyles), 0); |
| 245 | } |
| 246 | canvas->save(); |
| 247 | for (size_t fill = 0; fill < SK_ARRAY_COUNT(gFills); ++fill) { |
| 248 | if (0 < fill) { |
| 249 | canvas->translate(0, rect.height() + 40 * SK_Scalar1); |
| 250 | } |
| 251 | canvas->save(); |
| 252 | for (size_t style = 0; style < SK_ARRAY_COUNT(gStyles); ++style) { |
| 253 | if (0 < style) { |
| 254 | canvas->translate(rect.width() + 40 * SK_Scalar1, 0); |
| 255 | } |
| 256 | |
| 257 | SkColor color = 0xff007000; |
| 258 | this->drawPath(path.fPath, canvas, color, rect, |
| 259 | gCaps[cap].fCap, gCaps[cap].fJoin, gStyles[style].fStyle, |
| 260 | gFills[fill].fFill, SK_Scalar1*10); |
| 261 | |
| 262 | SkPaint rectPaint; |
| 263 | rectPaint.setColor(SK_ColorBLACK); |
| 264 | rectPaint.setStyle(SkPaint::kStroke_Style); |
| 265 | rectPaint.setStrokeWidth(-1); |
| 266 | rectPaint.setAntiAlias(true); |
| 267 | canvas->drawRect(rect, rectPaint); |
| 268 | |
| 269 | SkPaint labelPaint; |
| 270 | labelPaint.setColor(color); |
| 271 | labelPaint.setAntiAlias(true); |
| 272 | labelPaint.setLCDRenderText(true); |
| 273 | labelPaint.setTextSize(10 * SK_Scalar1); |
| 274 | canvas->drawText(gStyles[style].fName, |
| 275 | strlen(gStyles[style].fName), |
| 276 | 0, rect.height() + 12 * SK_Scalar1, |
| 277 | labelPaint); |
| 278 | canvas->drawText(gFills[fill].fName, |
| 279 | strlen(gFills[fill].fName), |
| 280 | 0, rect.height() + 24 * SK_Scalar1, |
| 281 | labelPaint); |
| 282 | canvas->drawText(gCaps[cap].fName, |
| 283 | strlen(gCaps[cap].fName), |
| 284 | 0, rect.height() + 36 * SK_Scalar1, |
| 285 | labelPaint); |
schenney@chromium.org | 4da06ab | 2011-12-20 15:14:18 +0000 | [diff] [blame] | 286 | } |
| 287 | canvas->restore(); |
| 288 | } |
| 289 | canvas->restore(); |
| 290 | } |
| 291 | canvas->restore(); |
| 292 | canvas->restore(); |
| 293 | } |
| 294 | |
| 295 | private: |
| 296 | typedef GM INHERITED; |
| 297 | }; |
| 298 | |
| 299 | ////////////////////////////////////////////////////////////////////////////// |
| 300 | |
schenney@chromium.org | 45cbfdd | 2011-12-20 21:48:14 +0000 | [diff] [blame] | 301 | static GM* QuadPathFactory(void*) { return new QuadPathGM; } |
| 302 | static GMRegistry regQuadPath(QuadPathFactory); |
| 303 | |
| 304 | static GM* QuadClosePathFactory(void*) { return new QuadClosePathGM; } |
| 305 | static GMRegistry regQuadClosePath(QuadClosePathFactory); |
| 306 | |
schenney@chromium.org | 0b71f6c | 2012-01-04 00:18:53 +0000 | [diff] [blame] | 307 | } |