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Side by Side Diff: src/effects/SkBlurMask.cpp

Issue 111353003: deprecate SkScalarRound (and its ilk), use SkScalarRound[ToInt,ToScalar]. #define SK_SUPPORT_DEPREC… (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 7 years ago
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1 1
2 /* 2 /*
3 * Copyright 2006 The Android Open Source Project 3 * Copyright 2006 The Android Open Source Project
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 9
10 #include "SkBlurMask.h" 10 #include "SkBlurMask.h"
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397 RIGHT_BORDER_ITER 397 RIGHT_BORDER_ITER
398 } 398 }
399 #undef RIGHT_BORDER_ITER 399 #undef RIGHT_BORDER_ITER
400 SkASSERT(outer_sum == 0 && inner_sum == 0); 400 SkASSERT(outer_sum == 0 && inner_sum == 0);
401 } 401 }
402 return new_width; 402 return new_width;
403 } 403 }
404 404
405 static void get_adjusted_radii(SkScalar passRadius, int *loRadius, int *hiRadius ) 405 static void get_adjusted_radii(SkScalar passRadius, int *loRadius, int *hiRadius )
406 { 406 {
407 *loRadius = *hiRadius = SkScalarCeil(passRadius); 407 *loRadius = *hiRadius = SkScalarCeilToInt(passRadius);
408 if (SkIntToScalar(*hiRadius) - passRadius > 0.5f) { 408 if (SkIntToScalar(*hiRadius) - passRadius > 0.5f) {
409 *loRadius = *hiRadius - 1; 409 *loRadius = *hiRadius - 1;
410 } 410 }
411 } 411 }
412 412
413 #include "SkColorPriv.h" 413 #include "SkColorPriv.h"
414 414
415 static void merge_src_with_blur(uint8_t dst[], int dstRB, 415 static void merge_src_with_blur(uint8_t dst[], int dstRB,
416 const uint8_t src[], int srcRB, 416 const uint8_t src[], int srcRB,
417 const uint8_t blur[], int blurRB, 417 const uint8_t blur[], int blurRB,
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505 // For the low quality path we only attempt to cover 3*sigma of the 505 // For the low quality path we only attempt to cover 3*sigma of the
506 // Gaussian blur area (1.5*sigma on each side). The single pass box 506 // Gaussian blur area (1.5*sigma on each side). The single pass box
507 // blur's kernel size is 2*rad+1. 507 // blur's kernel size is 2*rad+1.
508 passRadius = 1.5f*sigma - 0.5f; 508 passRadius = 1.5f*sigma - 0.5f;
509 } 509 }
510 510
511 // highQuality: use three box blur passes as a cheap way 511 // highQuality: use three box blur passes as a cheap way
512 // to approximate a Gaussian blur 512 // to approximate a Gaussian blur
513 int passCount = (kHigh_Quality == quality) ? 3 : 1; 513 int passCount = (kHigh_Quality == quality) ? 3 : 1;
514 514
515 int rx = SkScalarCeil(passRadius); 515 int rx = SkScalarCeilToInt(passRadius);
516 int outerWeight = 255 - SkScalarRound((SkIntToScalar(rx) - passRadius) * 255 ); 516 int outerWeight = 255 - SkScalarRoundToInt((SkIntToScalar(rx) - passRadius) * 255);
517 517
518 SkASSERT(rx >= 0); 518 SkASSERT(rx >= 0);
519 SkASSERT((unsigned)outerWeight <= 255); 519 SkASSERT((unsigned)outerWeight <= 255);
520 if (rx <= 0) { 520 if (rx <= 0) {
521 return false; 521 return false;
522 } 522 }
523 523
524 int ry = rx; // only do square blur for now 524 int ry = rx; // only do square blur for now
525 525
526 int padx = passCount * rx; 526 int padx = passCount * rx;
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858 858
859 bool SkBlurMask::BlurGroundTruth(SkScalar sigma, SkMask* dst, const SkMask& src, 859 bool SkBlurMask::BlurGroundTruth(SkScalar sigma, SkMask* dst, const SkMask& src,
860 Style style, SkIPoint* margin) { 860 Style style, SkIPoint* margin) {
861 861
862 if (src.fFormat != SkMask::kA8_Format) { 862 if (src.fFormat != SkMask::kA8_Format) {
863 return false; 863 return false;
864 } 864 }
865 865
866 float variance = sigma * sigma; 866 float variance = sigma * sigma;
867 867
868 int windowSize = SkScalarCeil(sigma*6); 868 int windowSize = SkScalarCeilToInt(sigma*6);
869 // round window size up to nearest odd number 869 // round window size up to nearest odd number
870 windowSize |= 1; 870 windowSize |= 1;
871 871
872 SkAutoTMalloc<float> gaussWindow(windowSize); 872 SkAutoTMalloc<float> gaussWindow(windowSize);
873 873
874 int halfWindow = windowSize >> 1; 874 int halfWindow = windowSize >> 1;
875 875
876 gaussWindow[halfWindow] = 1; 876 gaussWindow[halfWindow] = 1;
877 877
878 float windowSum = 1; 878 float windowSum = 1;
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992 (void)autoCall.detach(); 992 (void)autoCall.detach();
993 } 993 }
994 994
995 if (style == kInner_Style) { 995 if (style == kInner_Style) {
996 dst->fBounds = src.fBounds; // restore trimmed bounds 996 dst->fBounds = src.fBounds; // restore trimmed bounds
997 dst->fRowBytes = src.fRowBytes; 997 dst->fRowBytes = src.fRowBytes;
998 } 998 }
999 999
1000 return true; 1000 return true;
1001 } 1001 }
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