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Side by Side Diff: src/utils/SkCanvasStateUtils.cpp

Issue 1316123003: Style Change: SkNEW->new; SkDELETE->delete (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: 2015-08-26 (Wednesday) 15:59:00 EDT Created 5 years, 3 months ago
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1 /* 1 /*
2 * Copyright 2013 Google Inc. 2 * Copyright 2013 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 "SkCanvasStateUtils.h" 8 #include "SkCanvasStateUtils.h"
9 9
10 #include "SkCanvas.h" 10 #include "SkCanvas.h"
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199 199
200 // Check the clip can be decomposed into rectangles (i.e. no soft clips). 200 // Check the clip can be decomposed into rectangles (i.e. no soft clips).
201 ClipValidator validator; 201 ClipValidator validator;
202 canvas->replayClips(&validator); 202 canvas->replayClips(&validator);
203 if (validator.failed()) { 203 if (validator.failed()) {
204 SkErrorInternals::SetError(kInvalidOperation_SkError, 204 SkErrorInternals::SetError(kInvalidOperation_SkError,
205 "CaptureCanvasState does not support canvases with antialiased c lips.\n"); 205 "CaptureCanvasState does not support canvases with antialiased c lips.\n");
206 return NULL; 206 return NULL;
207 } 207 }
208 208
209 SkAutoTDelete<SkCanvasState_v1> canvasState(SkNEW_ARGS(SkCanvasState_v1, (ca nvas))); 209 SkAutoTDelete<SkCanvasState_v1> canvasState(new SkCanvasState_v1(canvas));
210 210
211 // decompose the total matrix and clip 211 // decompose the total matrix and clip
212 setup_MC_state(&canvasState->mcState, canvas->getTotalMatrix(), 212 setup_MC_state(&canvasState->mcState, canvas->getTotalMatrix(),
213 canvas->internal_private_getTotalClip()); 213 canvas->internal_private_getTotalClip());
214 214
215 /* 215 /*
216 * decompose the layers 216 * decompose the layers
217 * 217 *
218 * storage is allocated on the stack for the first 3 layers. It is common in 218 * storage is allocated on the stack for the first 3 layers. It is common in
219 * some view systems (e.g. Android) that a few non-clipped layers are presen t 219 * some view systems (e.g. Android) that a few non-clipped layers are presen t
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304 return NULL; 304 return NULL;
305 } 305 }
306 306
307 bitmap.installPixels(SkImageInfo::Make(layerState.width, layerState.height, 307 bitmap.installPixels(SkImageInfo::Make(layerState.width, layerState.height,
308 colorType, kPremul_SkAlphaType), 308 colorType, kPremul_SkAlphaType),
309 layerState.raster.pixels, (size_t) layerState.raster.ro wBytes); 309 layerState.raster.pixels, (size_t) layerState.raster.ro wBytes);
310 310
311 SkASSERT(!bitmap.empty()); 311 SkASSERT(!bitmap.empty());
312 SkASSERT(!bitmap.isNull()); 312 SkASSERT(!bitmap.isNull());
313 313
314 SkAutoTUnref<SkCanvas> canvas(SkNEW_ARGS(SkCanvas, (bitmap))); 314 SkAutoTUnref<SkCanvas> canvas(new SkCanvas(bitmap));
315 315
316 // setup the matrix and clip 316 // setup the matrix and clip
317 setup_canvas_from_MC_state(layerState.mcState, canvas.get()); 317 setup_canvas_from_MC_state(layerState.mcState, canvas.get());
318 318
319 return canvas.detach(); 319 return canvas.detach();
320 } 320 }
321 321
322 SkCanvas* SkCanvasStateUtils::CreateFromCanvasState(const SkCanvasState* state) { 322 SkCanvas* SkCanvasStateUtils::CreateFromCanvasState(const SkCanvasState* state) {
323 SkASSERT(state); 323 SkASSERT(state);
324 // Currently there is only one possible version. 324 // Currently there is only one possible version.
325 SkASSERT(SkCanvasState_v1::kVersion == state->version); 325 SkASSERT(SkCanvasState_v1::kVersion == state->version);
326 326
327 const SkCanvasState_v1* state_v1 = static_cast<const SkCanvasState_v1*>(stat e); 327 const SkCanvasState_v1* state_v1 = static_cast<const SkCanvasState_v1*>(stat e);
328 328
329 if (state_v1->layerCount < 1) { 329 if (state_v1->layerCount < 1) {
330 return NULL; 330 return NULL;
331 } 331 }
332 332
333 SkAutoTUnref<SkCanvasStack> canvas(SkNEW_ARGS(SkCanvasStack, (state->width, state->height))); 333 SkAutoTUnref<SkCanvasStack> canvas(new SkCanvasStack(state->width, state->he ight));
334 334
335 // setup the matrix and clip on the n-way canvas 335 // setup the matrix and clip on the n-way canvas
336 setup_canvas_from_MC_state(state_v1->mcState, canvas); 336 setup_canvas_from_MC_state(state_v1->mcState, canvas);
337 337
338 // Iterate over the layers and add them to the n-way canvas 338 // Iterate over the layers and add them to the n-way canvas
339 for (int i = state_v1->layerCount - 1; i >= 0; --i) { 339 for (int i = state_v1->layerCount - 1; i >= 0; --i) {
340 SkAutoTUnref<SkCanvas> canvasLayer(create_canvas_from_canvas_layer(state _v1->layers[i])); 340 SkAutoTUnref<SkCanvas> canvasLayer(create_canvas_from_canvas_layer(state _v1->layers[i]));
341 if (!canvasLayer.get()) { 341 if (!canvasLayer.get()) {
342 return NULL; 342 return NULL;
343 } 343 }
344 canvas->pushCanvas(canvasLayer.get(), SkIPoint::Make(state_v1->layers[i] .x, 344 canvas->pushCanvas(canvasLayer.get(), SkIPoint::Make(state_v1->layers[i] .x,
345 state_v1->layers[i] .y)); 345 state_v1->layers[i] .y));
346 } 346 }
347 347
348 return canvas.detach(); 348 return canvas.detach();
349 } 349 }
350 350
351 //////////////////////////////////////////////////////////////////////////////// 351 ////////////////////////////////////////////////////////////////////////////////
352 352
353 void SkCanvasStateUtils::ReleaseCanvasState(SkCanvasState* state) { 353 void SkCanvasStateUtils::ReleaseCanvasState(SkCanvasState* state) {
354 SkASSERT(!state || SkCanvasState_v1::kVersion == state->version); 354 SkASSERT(!state || SkCanvasState_v1::kVersion == state->version);
355 // Upcast to the correct version of SkCanvasState. This avoids having a virt ual destructor on 355 // Upcast to the correct version of SkCanvasState. This avoids having a virt ual destructor on
356 // SkCanvasState. That would be strange since SkCanvasState has no other vir tual functions, and 356 // SkCanvasState. That would be strange since SkCanvasState has no other vir tual functions, and
357 // instead uses the field "version" to determine how to behave. 357 // instead uses the field "version" to determine how to behave.
358 SkDELETE(static_cast<SkCanvasState_v1*>(state)); 358 delete static_cast<SkCanvasState_v1*>(state);
359 } 359 }
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