nsTransform2D.cpp (819B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #include "nsTransform2D.h" 8 9 void nsTransform2D ::TransformCoord(nscoord* ptX, nscoord* ptY) const { 10 *ptX = NSToCoordRound(*ptX * m00 + m20); 11 *ptY = NSToCoordRound(*ptY * m11 + m21); 12 } 13 14 void nsTransform2D ::TransformCoord(nscoord* aX, nscoord* aY, nscoord* aWidth, 15 nscoord* aHeight) const { 16 nscoord x2 = *aX + *aWidth; 17 nscoord y2 = *aY + *aHeight; 18 TransformCoord(aX, aY); 19 TransformCoord(&x2, &y2); 20 *aWidth = x2 - *aX; 21 *aHeight = y2 - *aY; 22 }