gfx/skia/trunk/src/effects/gradients/SkClampRange.h@4ab42b5ab56c
gfx/skia/trunk/src/effects/gradients/SkClampRange.h
Wed, 31 Dec 2014 07:53:36 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 07:53:36 +0100
- branch
- TOR_BUG_3246
- changeset 5
- 4ab42b5ab56c
- permissions
- -rw-r--r--
Correct small whitespace inconsistency, lost while renaming variables.
2 /*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
10 #ifndef SkClampRange_DEFINED
11 #define SkClampRange_DEFINED
13 #include "SkFixed.h"
15 /**
16 * Iteration fixed fx by dx, clamping as you go to [0..0xFFFF], this class
17 * computes the (up to) 3 spans there are:
18 *
19 * range0: use constant value V0
20 * range1: iterate as usual fx += dx
21 * range2: use constant value V1
22 */
23 struct SkClampRange {
24 int fCount0; // count for fV0
25 int fCount1; // count for interpolating (fV0...fV1)
26 int fCount2; // count for fV1
27 SkFixed fFx1; // initial fx value for the fCount1 range.
28 // only valid if fCount1 > 0
29 int fV0, fV1;
30 bool fOverflowed; // true if we had to clamp due to numerical overflow
32 void init(SkFixed fx, SkFixed dx, int count, int v0, int v1);
34 private:
35 void initFor1(SkFixed fx);
36 };
38 #endif
