imageposition.cpp
/*
* This file is part of the KDE libraries
* Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
**/
#include "imageposition.h"
#include <qpainter.h>
#include <kstandarddirs.h>
static void draw3DPage(QPainter *p, QRect r)
{
// draw white page
p->fillRect(r,Qt::white);
// draw 3D border
p->setPen(Qt::black);
p->moveTo(r.left(),r.bottom());
p->lineTo(r.right(),r.bottom());
p->lineTo(r.right(),r.top());
p->setPen(Qt::darkGray);
p->lineTo(r.left(),r.top());
p->lineTo(r.left(),r.bottom());
p->setPen(Qt::gray);
p->moveTo(r.left()+1,r.bottom()-1);
p->lineTo(r.right()-1,r.bottom()-1);
p->lineTo(r.right()-1,r.top()+1);
}
ImagePosition::ImagePosition(QWidget *parent, const char *name)
: QWidget(parent,name)
{
position_ = Center;
setMinimumSize(sizeHint());
setSizePolicy(QSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding));
pix_.load(locate("data", "kdeprint/preview-mini.png"));
}
ImagePosition::~ImagePosition()
{
}
void ImagePosition::setPosition(const char *type)
{
int pos(Center);
if (strcmp(type,"top-left") == 0) pos = TopLeft;
else if (strcmp(type,"top") == 0) pos = Top;
else if (strcmp(type,"top-right") == 0) pos = TopRight;
else if (strcmp(type,"left") == 0) pos = Left;
else if (strcmp(type,"center") == 0) pos = Center;
else if (strcmp(type,"right") == 0) pos = Right;
else if (strcmp(type,"bottom-left") == 0) pos = BottomLeft;
else if (strcmp(type,"bottom") == 0) pos = Bottom;
else if (strcmp(type,"bottom-right") == 0) pos = BottomRight;
setPosition((PositionType)pos);
}
void ImagePosition::setPosition(PositionType type)
{
if (position_ != type) {
position_ = type;
update();
}
}
void ImagePosition::setPosition(int horiz, int vert)
{
int type = vert*3+horiz;
setPosition((PositionType)type);
}
QString ImagePosition::positionString() const
{
switch (position_) {
case TopLeft: return "top-left";
case Top: return "top";
case TopRight: return "top-right";
case Left: return "left";
case Center: return "center";
case Right: return "right";
case BottomLeft: return "bottom-left";
case Bottom: return "bottom";
case BottomRight: return "bottom-right";
}
return "center";
}
void ImagePosition::paintEvent(QPaintEvent*)
{
int horiz, vert, x, y;
int margin = 5;
int pw(width()), ph(height()), px(0), py(0);
if (pw > ((ph * 3) / 4))
{
pw = (ph * 3) / 4;
px = (width() - pw) / 2;
}
else
{
ph = (pw * 4) / 3;
py = (height() - ph) / 2;
}
QRect page(px, py, pw, ph), img(0, 0, pix_.width(), pix_.height());
// compute img position
horiz = position_%3;
vert = position_/3;
switch (horiz) {
case 0: x = page.left()+margin; break;
default:
case 1: x = (page.left()+page.right()-img.width())/2; break;
case 2: x = page.right()-margin-img.width(); break;
}
switch (vert) {
case 0: y = page.top()+margin; break;
default:
case 1: y = (page.top()+page.bottom()-img.height())/2; break;
case 2: y = page.bottom()-margin-img.height(); break;
}
img.moveTopLeft(QPoint(x,y));
// draw page
QPainter p(this);
draw3DPage(&p,page);
// draw img
/*p.setPen(darkRed);
p.drawRect(img);
p.drawLine(img.topLeft(),img.bottomRight());
p.drawLine(img.topRight(),img.bottomLeft());*/
p.drawPixmap(x, y, pix_);
p.end();
}
QSize ImagePosition::sizeHint() const
{
return QSize(60, 80);
}

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