| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #include "gm.h" | 8 #include "gm.h" |
| 9 #include "SkBitmap.h" | 9 #include "SkBitmap.h" |
| 10 #include "SkShader.h" | 10 #include "SkShader.h" |
| (...skipping 273 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 284 y0 = 0; | 284 y0 = 0; |
| 285 } | 285 } |
| 286 } | 286 } |
| 287 s->unref(); | 287 s->unref(); |
| 288 } | 288 } |
| 289 | 289 |
| 290 private: | 290 private: |
| 291 typedef GM INHERITED; | 291 typedef GM INHERITED; |
| 292 }; | 292 }; |
| 293 DEF_GM( return new XfermodesGM; ) | 293 DEF_GM( return new XfermodesGM; ) |
| 294 | |
| 295 ////////////////////////////////////////////////////////////////////////////////
/////////////////// | |
| 296 | |
| 297 void draw_mode(const SkBitmap& srcB, const SkBitmap& dstB, | |
| 298 SkCanvas* canvas, SkXfermode* mode, SkScalar x, SkScalar y, float
src_alpha) { | |
| 299 canvas->saveLayer(SkRect::MakeXYWH(x, y, 64, 64), nullptr); | |
| 300 canvas->drawBitmap(srcB, x, y, nullptr); | |
| 301 | |
| 302 SkPaint paint; | |
| 303 paint.setXfermode(mode); | |
| 304 canvas->drawBitmap(dstB, x, y, &paint); | |
| 305 | |
| 306 canvas->restore(); | |
| 307 } | |
| 308 | |
| 309 DEF_SIMPLE_GM(xfermodes_proc4f, canvas, 1000, 1000) { | |
| 310 SkBitmap bg, srcB, dstB, transparent; | |
| 311 | |
| 312 bg.installPixels(SkImageInfo::Make(2, 2, kARGB_4444_SkColorType, kOpaque_SkA
lphaType), | |
| 313 gData, 4); | |
| 314 make_bitmaps(64, 64, &dstB, &srcB, &transparent); | |
| 315 | |
| 316 canvas->translate(10, 20); | |
| 317 | |
| 318 const SkScalar w = 64; | |
| 319 const SkScalar h = 64; | |
| 320 SkMatrix m = SkMatrix::MakeScale(6, 6); | |
| 321 SkShader* s = SkShader::CreateBitmapShader(bg, | |
| 322 SkShader::kRepeat_TileMode, | |
| 323 SkShader::kRepeat_TileMode, | |
| 324 &m); | |
| 325 | |
| 326 SkPaint labelP; | |
| 327 labelP.setAntiAlias(true); | |
| 328 sk_tool_utils::set_portable_typeface(&labelP); | |
| 329 labelP.setTextAlign(SkPaint::kCenter_Align); | |
| 330 | |
| 331 const int W = 5; | |
| 332 | |
| 333 const float alphas[] = { 1.0f, 0.5f }; | |
| 334 | |
| 335 for (auto alpha : alphas) { | |
| 336 SkScalar x0 = 0; | |
| 337 SkScalar y0 = 0; | |
| 338 SkScalar x = x0, y = y0; | |
| 339 for (size_t i = 0; i < SK_ARRAY_COUNT(gModes); i++) { | |
| 340 SkXfermode* mode = SkXfermode::Create(gModes[i].fMode); | |
| 341 SkAutoUnref aur(mode); | |
| 342 SkRect r; | |
| 343 r.set(x, y, x+w, y+h); | |
| 344 | |
| 345 SkPaint p; | |
| 346 p.setStyle(SkPaint::kFill_Style); | |
| 347 p.setShader(s); | |
| 348 canvas->drawRect(r, p); | |
| 349 | |
| 350 draw_mode(srcB, dstB, canvas, mode, r.fLeft, r.fTop, alpha); | |
| 351 | |
| 352 r.inset(-SK_ScalarHalf, -SK_ScalarHalf); | |
| 353 p.setStyle(SkPaint::kStroke_Style); | |
| 354 p.setShader(nullptr); | |
| 355 canvas->drawRect(r, p); | |
| 356 | |
| 357 #if 1 | |
| 358 canvas->drawText(gModes[i].fLabel, strlen(gModes[i].fLabel), | |
| 359 x + w/2, y - labelP.getTextSize()/2, labelP); | |
| 360 #endif | |
| 361 x += w + SkIntToScalar(10); | |
| 362 if ((i % W) == W - 1) { | |
| 363 x = x0; | |
| 364 y += h + SkIntToScalar(30); | |
| 365 } | |
| 366 } | |
| 367 if (y < 320) { | |
| 368 if (x > x0) { | |
| 369 y += h + SkIntToScalar(30); | |
| 370 } | |
| 371 y0 = y; | |
| 372 } else { | |
| 373 x0 += SkIntToScalar(400); | |
| 374 y0 = 0; | |
| 375 } | |
| 376 | |
| 377 canvas->translate(400, 0); | |
| 378 } | |
| 379 s->unref(); | |
| 380 } | |
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