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Side by Side Diff: src/gpu/GrPathUtils.cpp

Issue 19449002: Replace all instances of GrRect with SkRect. (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 7 years, 5 months ago
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1
2 /* 1 /*
3 * Copyright 2011 Google Inc. 2 * Copyright 2011 Google Inc.
4 * 3 *
5 * 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
6 * found in the LICENSE file. 5 * found in the LICENSE file.
7 */ 6 */
8 7
8 #include "GrPathUtils.h"
9 9
10 #include "GrPathUtils.h"
11 #include "GrPoint.h" 10 #include "GrPoint.h"
12 #include "SkGeometry.h" 11 #include "SkGeometry.h"
13 12
14 SkScalar GrPathUtils::scaleToleranceToSrc(SkScalar devTol, 13 SkScalar GrPathUtils::scaleToleranceToSrc(SkScalar devTol,
15 const SkMatrix& viewM, 14 const SkMatrix& viewM,
16 const GrRect& pathBounds) { 15 const SkRect& pathBounds) {
17 // In order to tesselate the path we get a bound on how much the matrix can 16 // In order to tesselate the path we get a bound on how much the matrix can
18 // stretch when mapping to screen coordinates. 17 // stretch when mapping to screen coordinates.
19 SkScalar stretch = viewM.getMaxStretch(); 18 SkScalar stretch = viewM.getMaxStretch();
20 SkScalar srcTol = devTol; 19 SkScalar srcTol = devTol;
21 20
22 if (stretch < 0) { 21 if (stretch < 0) {
23 // take worst case mapRadius amoung four corners. 22 // take worst case mapRadius amoung four corners.
24 // (less than perfect) 23 // (less than perfect)
25 for (int i = 0; i < 4; ++i) { 24 for (int i = 0; i < 4; ++i) {
26 SkMatrix mat; 25 SkMatrix mat;
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470 // base tolerance is 1 pixel. 469 // base tolerance is 1 pixel.
471 static const SkScalar kTolerance = SK_Scalar1; 470 static const SkScalar kTolerance = SK_Scalar1;
472 const SkScalar tolSqd = SkScalarSquare(SkScalarMul(tolScale, kTolerance)); 471 const SkScalar tolSqd = SkScalarSquare(SkScalarMul(tolScale, kTolerance));
473 472
474 for (int i = 0; i < count; ++i) { 473 for (int i = 0; i < count; ++i) {
475 SkPoint* cubic = chopped + 3*i; 474 SkPoint* cubic = chopped + 3*i;
476 convert_noninflect_cubic_to_quads(cubic, tolSqd, constrainWithinTangents , dir, quads); 475 convert_noninflect_cubic_to_quads(cubic, tolSqd, constrainWithinTangents , dir, quads);
477 } 476 }
478 477
479 } 478 }
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