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Side by Side Diff: src/core/SkDraw.cpp

Issue 754083002: Add Sk prefix to CreateBitmapShader. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 6 years ago
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1 /* 1 /*
2 * Copyright 2006 The Android Open Source Project 2 * Copyright 2006 The Android Open Source Project
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 "SkDraw.h" 8 #include "SkDraw.h"
9 #include "SkBlitter.h" 9 #include "SkBlitter.h"
10 #include "SkCanvas.h" 10 #include "SkCanvas.h"
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70 /** 70 /**
71 * Since we are providing the storage for the shader (to avoid the perf cost 71 * Since we are providing the storage for the shader (to avoid the perf cost
72 * of calling new) we insist that in our destructor we can account for all 72 * of calling new) we insist that in our destructor we can account for all
73 * owners of the shader. 73 * owners of the shader.
74 */ 74 */
75 class SkAutoBitmapShaderInstall : SkNoncopyable { 75 class SkAutoBitmapShaderInstall : SkNoncopyable {
76 public: 76 public:
77 SkAutoBitmapShaderInstall(const SkBitmap& src, const SkPaint& paint, 77 SkAutoBitmapShaderInstall(const SkBitmap& src, const SkPaint& paint,
78 const SkMatrix* localMatrix = NULL) 78 const SkMatrix* localMatrix = NULL)
79 : fPaint(paint) /* makes a copy of the paint */ { 79 : fPaint(paint) /* makes a copy of the paint */ {
80 fPaint.setShader(CreateBitmapShader(src, SkShader::kClamp_TileMode, 80 fPaint.setShader(SkCreateBitmapShader(src, SkShader::kClamp_TileMode,
81 SkShader::kClamp_TileMode, 81 SkShader::kClamp_TileMode,
82 localMatrix, &fAllocator)); 82 localMatrix, &fAllocator));
83 // we deliberately left the shader with an owner-count of 2 83 // we deliberately left the shader with an owner-count of 2
84 SkASSERT(2 == fPaint.getShader()->getRefCnt()); 84 SkASSERT(2 == fPaint.getShader()->getRefCnt());
85 } 85 }
86 86
87 ~SkAutoBitmapShaderInstall() { 87 ~SkAutoBitmapShaderInstall() {
88 // since fAllocator will destroy shader, we insist that owners == 2 88 // since fAllocator will destroy shader, we insist that owners == 2
89 SkASSERT(2 == fPaint.getShader()->getRefCnt()); 89 SkASSERT(2 == fPaint.getShader()->getRefCnt());
90 90
91 fPaint.setShader(NULL); // unref the shader by 1 91 fPaint.setShader(NULL); // unref the shader by 1
92 92
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588 // temporarily mark the paint as filling. 588 // temporarily mark the paint as filling.
589 SkPaint newPaint(paint); 589 SkPaint newPaint(paint);
590 newPaint.setStyle(SkPaint::kFill_Style); 590 newPaint.setStyle(SkPaint::kFill_Style);
591 591
592 SkScalar width = newPaint.getStrokeWidth(); 592 SkScalar width = newPaint.getStrokeWidth();
593 SkScalar radius = SkScalarHalf(width); 593 SkScalar radius = SkScalarHalf(width);
594 594
595 if (newPaint.getStrokeCap() == SkPaint::kRound_Cap) { 595 if (newPaint.getStrokeCap() == SkPaint::kRound_Cap) {
596 SkPath path; 596 SkPath path;
597 SkMatrix preMatrix; 597 SkMatrix preMatrix;
598 598
599 path.addCircle(0, 0, radius); 599 path.addCircle(0, 0, radius);
600 for (size_t i = 0; i < count; i++) { 600 for (size_t i = 0; i < count; i++) {
601 preMatrix.setTranslate(pts[i].fX, pts[i].fY); 601 preMatrix.setTranslate(pts[i].fX, pts[i].fY);
602 // pass true for the last point, since we can modify 602 // pass true for the last point, since we can modify
603 // then path then 603 // then path then
604 path.setIsVolatile((count-1) == i); 604 path.setIsVolatile((count-1) == i);
605 if (fDevice) { 605 if (fDevice) {
606 fDevice->drawPath(*this, path, newPaint, &preMatrix, 606 fDevice->drawPath(*this, path, newPaint, &preMatrix,
607 (count-1) == i); 607 (count-1) == i);
608 } else { 608 } else {
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1948 SkScalar xpos; 1948 SkScalar xpos;
1949 SkMatrix scaledMatrix; 1949 SkMatrix scaledMatrix;
1950 SkScalar scale = iter.getPathScale(); 1950 SkScalar scale = iter.getPathScale();
1951 1951
1952 scaledMatrix.setScale(scale, scale); 1952 scaledMatrix.setScale(scale, scale);
1953 1953
1954 while (iter.next(&iterPath, &xpos)) { 1954 while (iter.next(&iterPath, &xpos)) {
1955 if (iterPath) { 1955 if (iterPath) {
1956 SkPath tmp; 1956 SkPath tmp;
1957 SkMatrix m(scaledMatrix); 1957 SkMatrix m(scaledMatrix);
1958 1958
1959 tmp.setIsVolatile(true); 1959 tmp.setIsVolatile(true);
1960 m.postTranslate(xpos + hOffset, 0); 1960 m.postTranslate(xpos + hOffset, 0);
1961 if (matrix) { 1961 if (matrix) {
1962 m.postConcat(*matrix); 1962 m.postConcat(*matrix);
1963 } 1963 }
1964 morphpath(&tmp, *iterPath, meas, m); 1964 morphpath(&tmp, *iterPath, meas, m);
1965 if (fDevice) { 1965 if (fDevice) {
1966 fDevice->drawPath(*this, tmp, iter.getPaint(), NULL, true); 1966 fDevice->drawPath(*this, tmp, iter.getPaint(), NULL, true);
1967 } else { 1967 } else {
1968 this->drawPath(tmp, iter.getPaint(), NULL, true); 1968 this->drawPath(tmp, iter.getPaint(), NULL, true);
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2370 mask->fImage = SkMask::AllocImage(size); 2370 mask->fImage = SkMask::AllocImage(size);
2371 memset(mask->fImage, 0, mask->computeImageSize()); 2371 memset(mask->fImage, 0, mask->computeImageSize());
2372 } 2372 }
2373 2373
2374 if (SkMask::kJustComputeBounds_CreateMode != mode) { 2374 if (SkMask::kJustComputeBounds_CreateMode != mode) {
2375 draw_into_mask(*mask, devPath, style); 2375 draw_into_mask(*mask, devPath, style);
2376 } 2376 }
2377 2377
2378 return true; 2378 return true;
2379 } 2379 }
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