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authorDan Sinclair <dsinclair@chromium.org>2017-07-13 13:44:40 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-07-13 18:31:06 +0000
commit334e79e15c271aeccacd65376e0050725d79d79d (patch)
treee7a19aa140a8ec32b04268dee355944849d48f08 /core
parent3628f8b06e4518c81971782455270d5db4ff91c9 (diff)
downloadpdfium-334e79e15c271aeccacd65376e0050725d79d79d.tar.xz
Move CPWL_Utils::ScaleRect to CFX_FloatRect
This CL moves the ScaleRect method to Scale on CFX_FloatRect and changes it to operate directly on the rect. Change-Id: Ie0f91c9319be08c9e2cc81cba2519ebb5f2c35eb Reviewed-on: https://pdfium-review.googlesource.com/7714 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'core')
-rw-r--r--core/fxcrt/fx_coordinates.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/core/fxcrt/fx_coordinates.h b/core/fxcrt/fx_coordinates.h
index a1bf11b207..79f7d4f29e 100644
--- a/core/fxcrt/fx_coordinates.h
+++ b/core/fxcrt/fx_coordinates.h
@@ -550,6 +550,19 @@ class CFX_FloatRect {
bottom += f;
}
+ void Scale(float fScale) {
+ float fHalfWidth = (right - left) / 2.0f;
+ float fHalfHeight = (top - bottom) / 2.0f;
+
+ float center_x = (left + right) / 2;
+ float center_y = (top + bottom) / 2;
+
+ left = center_x - fHalfWidth * fScale;
+ bottom = center_y - fHalfHeight * fScale;
+ right = center_x + fHalfWidth * fScale;
+ top = center_y + fHalfHeight * fScale;
+ }
+
static CFX_FloatRect GetBBox(const CFX_PointF* pPoints, int nPoints);
FX_RECT ToFxRect() const {