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/* Copyright (C) 2013 Nikos Chantziaras.
*
* This file is part of the QTads program. This program is free software; you
* can redistribute it and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation; either version
* 2, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; see the file COPYING. If not, write to the Free Software
* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <QPainter>
#include "syswin.h"
#include "qtadsimage.h"
#include "settings.h"
void
QTadsImage::drawFromPaintEvent( class CHtmlSysWin* win, class CHtmlRect* pos, htmlimg_draw_mode_t mode )
{
QPainter painter(static_cast<CHtmlSysWinQt*>(win)->widget());
if (mode == HTMLIMG_DRAW_CLIP) {
// Clip mode. Only draw the part of the image that would fit. If the
// image is smaller than pos, adjust the drawing area to avoid scaling.
int targetWidth;
int targetHeight;
if (this->width() > pos->right - pos->left) {
targetWidth = pos->right - pos->left;
} else {
targetWidth = this->width();
}
if (this->height() > pos->bottom - pos->top) {
targetHeight = pos->bottom - pos->top;
} else {
targetHeight = this->height();
}
painter.drawImage(pos->left, pos->top, *this, 0, 0, targetWidth, targetHeight);
return;
}
if (mode == HTMLIMG_DRAW_STRETCH) {
// If the image doesn't fit exactly, scale it. Use the "smooth"
// transformation mode (which uses a bilinear filter) if enabled in
// the settings.
Qt::TransformationMode mode = qFrame->settings()->useSmoothScaling ?
Qt::SmoothTransformation : Qt::FastTransformation;
if (this->width() != pos->right - pos->left or this->height() != pos->bottom - pos->top) {
painter.drawImage(QPoint(pos->left, pos->top),
this->scaled(pos->right - pos->left, pos->bottom - pos->top,
Qt::IgnoreAspectRatio, mode));
} else {
painter.drawImage(QPoint(pos->left, pos->top), *this);
}
return;
}
// If we get here, 'mode' must have been HTMLIMG_DRAW_TILE.
Q_ASSERT(mode == HTMLIMG_DRAW_TILE);
QPixmap pix(QPixmap::fromImage(*this));
painter.drawTiledPixmap(pos->left, pos->top, pos->right - pos->left, pos->bottom - pos->top, pix);
}
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