/* * Copyright (C) 2008 Holger Hans Peter Freyther * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "StillImageQt.h" #include "GraphicsContext.h" #include "IntSize.h" #include <QPainter> namespace WebCore { StillImage::StillImage(const QPixmap& pixmap) : m_pixmap(pixmap) {} IntSize StillImage::size() const { return IntSize(m_pixmap.width(), m_pixmap.height()); } NativeImagePtr StillImage::nativeImageForCurrentFrame() { return const_cast<NativeImagePtr>(&m_pixmap); } void StillImage::draw(GraphicsContext* ctxt, const FloatRect& dst, const FloatRect& src, ColorSpace, CompositeOperator op) { if (m_pixmap.isNull()) return; ctxt->save(); ctxt->setCompositeOperation(op); // To support width or height is negative float sx = src.x(); float sy = src.y(); float sw = src.width(); float sh = src.height(); if (sw < 0) { sx = sx + sw; sw = -sw; } if (sh < 0) { sy = sy + sh; sh = -sh; } float dx = dst.x(); float dy = dst.y(); float dw = dst.width(); float dh = dst.height(); if (dw < 0) { dx = dx + dw; dw = -dw; } if (dh < 0) { dy = dy + dh; dh = -dh; } FloatRect srcM(sx, sy, sw, sh); FloatRect dstM(dx, dy, dw, dh); QPainter* painter(ctxt->platformContext()); painter->drawPixmap(dstM, m_pixmap, srcM); ctxt->restore(); } }