summaryrefslogtreecommitdiffstats
path: root/gfx/thebes/gfxPoint.h
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/thebes/gfxPoint.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/thebes/gfxPoint.h')
-rw-r--r--gfx/thebes/gfxPoint.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/gfx/thebes/gfxPoint.h b/gfx/thebes/gfxPoint.h
new file mode 100644
index 000000000..5883244e3
--- /dev/null
+++ b/gfx/thebes/gfxPoint.h
@@ -0,0 +1,70 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GFX_POINT_H
+#define GFX_POINT_H
+
+#include "nsMathUtils.h"
+#include "mozilla/gfx/BaseSize.h"
+#include "mozilla/gfx/BasePoint.h"
+#include "mozilla/gfx/Matrix.h"
+#include "nsSize.h"
+#include "nsPoint.h"
+
+#include "gfxTypes.h"
+
+struct gfxSize : public mozilla::gfx::BaseSize<gfxFloat, gfxSize> {
+ typedef mozilla::gfx::BaseSize<gfxFloat, gfxSize> Super;
+
+ gfxSize() : Super() {}
+ gfxSize(gfxFloat aWidth, gfxFloat aHeight) : Super(aWidth, aHeight) {}
+ MOZ_IMPLICIT gfxSize(const mozilla::gfx::IntSize& aSize) : Super(aSize.width, aSize.height) {}
+};
+
+struct gfxPoint : public mozilla::gfx::BasePoint<gfxFloat, gfxPoint> {
+ typedef mozilla::gfx::BasePoint<gfxFloat, gfxPoint> Super;
+
+ gfxPoint() : Super() {}
+ gfxPoint(gfxFloat aX, gfxFloat aY) : Super(aX, aY) {}
+ MOZ_IMPLICIT gfxPoint(const nsIntPoint& aPoint) : Super(aPoint.x, aPoint.y) {}
+
+ bool WithinEpsilonOf(const gfxPoint& aPoint, gfxFloat aEpsilon) {
+ return fabs(aPoint.x - x) < aEpsilon && fabs(aPoint.y - y) < aEpsilon;
+ }
+
+ void Transform(const mozilla::gfx::Matrix4x4 &aMatrix)
+ {
+ // Transform this point with aMatrix
+ double px = x;
+ double py = y;
+
+ x = px * aMatrix._11 + py * aMatrix._21 + aMatrix._41;
+ y = px * aMatrix._12 + py * aMatrix._22 + aMatrix._42;
+
+ double w = px * aMatrix._14 + py * aMatrix._24 + aMatrix._44;
+ x /= w;
+ y /= w;
+ }
+};
+
+inline gfxPoint
+operator*(const gfxPoint& aPoint, const gfxSize& aSize)
+{
+ return gfxPoint(aPoint.x * aSize.width, aPoint.y * aSize.height);
+}
+
+inline gfxPoint
+operator/(const gfxPoint& aPoint, const gfxSize& aSize)
+{
+ return gfxPoint(aPoint.x / aSize.width, aPoint.y / aSize.height);
+}
+
+inline gfxSize
+operator/(gfxFloat aValue, const gfxSize& aSize)
+{
+ return gfxSize(aValue / aSize.width, aValue / aSize.height);
+}
+
+#endif /* GFX_POINT_H */