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Issue 303543004: MacViews: views_examples_with_content_exe working! Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: add files Created 6 years, 7 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #define _USE_MATH_DEFINES 5 #define _USE_MATH_DEFINES
6 #include <algorithm> 6 #include <algorithm>
7 #include <cmath> 7 #include <cmath>
8 #include <limits> 8 #include <limits>
9 9
10 #include "skia/ext/image_operations.h" 10 #include "skia/ext/image_operations.h"
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473 // Ensure that the ResizeMethod enumeration is sound. 473 // Ensure that the ResizeMethod enumeration is sound.
474 SkASSERT(((RESIZE_FIRST_QUALITY_METHOD <= method) && 474 SkASSERT(((RESIZE_FIRST_QUALITY_METHOD <= method) &&
475 (method <= RESIZE_LAST_QUALITY_METHOD)) || 475 (method <= RESIZE_LAST_QUALITY_METHOD)) ||
476 ((RESIZE_FIRST_ALGORITHM_METHOD <= method) && 476 ((RESIZE_FIRST_ALGORITHM_METHOD <= method) &&
477 (method <= RESIZE_LAST_ALGORITHM_METHOD))); 477 (method <= RESIZE_LAST_ALGORITHM_METHOD)));
478 478
479 // Time how long this takes to see if it's a problem for users. 479 // Time how long this takes to see if it's a problem for users.
480 base::TimeTicks resize_start = base::TimeTicks::Now(); 480 base::TimeTicks resize_start = base::TimeTicks::Now();
481 481
482 SkIRect dest = { 0, 0, dest_width, dest_height }; 482 SkIRect dest = { 0, 0, dest_width, dest_height };
483 DCHECK(dest.contains(dest_subset)) << 483 DCHECK(dest.contains(dest_subset))
484 "The supplied subset does not fall within the destination image."; 484 << "The supplied subset does not fall within the destination image: "
485 << dest_width << "x" << dest_height << " does not contain "
486 << dest.width() << "x" << dest.height()
487 << "+" << dest.x() << "+" << dest.y();
485 488
486 // If the size of source or destination is 0, i.e. 0x0, 0xN or Nx0, just 489 // If the size of source or destination is 0, i.e. 0x0, 0xN or Nx0, just
487 // return empty. 490 // return empty.
488 if (source.width() < 1 || source.height() < 1 || 491 if (source.width() < 1 || source.height() < 1 ||
489 dest_width < 1 || dest_height < 1) 492 dest_width < 1 || dest_height < 1)
490 return SkBitmap(); 493 return SkBitmap();
491 494
492 method = ResizeMethodToAlgorithmMethod(method); 495 method = ResizeMethodToAlgorithmMethod(method);
493 // Check that we deal with an "algorithm methods" from this point onward. 496 // Check that we deal with an "algorithm methods" from this point onward.
494 SkASSERT((ImageOperations::RESIZE_FIRST_ALGORITHM_METHOD <= method) && 497 SkASSERT((ImageOperations::RESIZE_FIRST_ALGORITHM_METHOD <= method) &&
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531 SkBitmap ImageOperations::Resize(const SkBitmap& source, 534 SkBitmap ImageOperations::Resize(const SkBitmap& source,
532 ResizeMethod method, 535 ResizeMethod method,
533 int dest_width, int dest_height, 536 int dest_width, int dest_height,
534 SkBitmap::Allocator* allocator) { 537 SkBitmap::Allocator* allocator) {
535 SkIRect dest_subset = { 0, 0, dest_width, dest_height }; 538 SkIRect dest_subset = { 0, 0, dest_width, dest_height };
536 return Resize(source, method, dest_width, dest_height, dest_subset, 539 return Resize(source, method, dest_width, dest_height, dest_subset,
537 allocator); 540 allocator);
538 } 541 }
539 542
540 } // namespace skia 543 } // namespace skia
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