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Diffstat (limited to 'include/core/SkLineClipper.h')
-rw-r--r-- | include/core/SkLineClipper.h | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/include/core/SkLineClipper.h b/include/core/SkLineClipper.h deleted file mode 100644 index 8026890b8d..0000000000 --- a/include/core/SkLineClipper.h +++ /dev/null @@ -1,47 +0,0 @@ - -/* - * Copyright 2011 Google Inc. - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ -#ifndef SkLineClipper_DEFINED -#define SkLineClipper_DEFINED - -#include "SkRect.h" -#include "SkPoint.h" - -class SkLineClipper { -public: - enum { - kMaxPoints = 4, - kMaxClippedLineSegments = kMaxPoints - 1 - }; - - /* Clip the line pts[0]...pts[1] against clip, ignoring segments that - lie completely above or below the clip. For portions to the left or - right, turn those into vertical line segments that are aligned to the - edge of the clip. - - Return the number of line segments that result, and store the end-points - of those segments sequentially in lines as follows: - 1st segment: lines[0]..lines[1] - 2nd segment: lines[1]..lines[2] - 3rd segment: lines[2]..lines[3] - */ - static int ClipLine(const SkPoint pts[2], const SkRect& clip, - SkPoint lines[kMaxPoints]); - - /* Intersect the line segment against the rect. If there is a non-empty - resulting segment, return true and set dst[] to that segment. If not, - return false and ignore dst[]. - - ClipLine is specialized for scan-conversion, as it adds vertical - segments on the sides to show where the line extended beyond the - left or right sides. IntersectLine does not. - */ - static bool IntersectLine(const SkPoint src[2], const SkRect& clip, - SkPoint dst[2]); -}; - -#endif |