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/***************************************************************************
* *
* This file is part of the Fotowall project, *
* http://www.enricoros.com/opensource/fotowall *
* *
* Copyright (C) 2009 by Enrico Ros <enrico.ros@gmail.com> *
* *
* 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 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "PlasmaFrame.h"
#include "Shared/RenderOpts.h"
#include <QLinearGradient>
#include <QPainter>
#include <QSvgRenderer>
struct PlasmaFramePrivate {
QSvgRenderer * svg;
int w1, w2, w3;
int h1, h2, h3;
int padL, padT, padR, padB;
bool stretchBorders;
quint32 frameClass;
PlasmaFramePrivate()
: svg(0),w1(0),w2(0),w3(0)
,h1(0),h2(0),h3(0)
,padL(0),padT(0),padR(0),padB(0)
,stretchBorders(false)
{
}
~PlasmaFramePrivate()
{
delete svg;
}
int widthOf(const QString & element, int value = 0) const
{
if (!svg->elementExists(element))
return value;
return svg->boundsOnElement(element).width();
}
int heightOf(const QString & element, int value = 0) const
{
if (!svg->elementExists(element))
return value;
return svg->boundsOnElement(element).height();
}
void draw(QPainter * painter, const QRect & frameRect, bool opaqueContents) const
{
// left column
int l = frameRect.left();
int t = frameRect.top();
int w = frameRect.width();
int h = frameRect.height();
int wx = w - w1 - w3;
int hx = h - h1 - h3;
svg->render(painter, "topleft", QRect(l, t, w1, h1));
svg->render(painter, "top", QRect(l+w1, t, wx, h1));
svg->render(painter, "topright", QRect(l+w1+wx, t, w3, h1));
svg->render(painter, "left", QRect(l, t+h1, w1, hx));
if (padL > w1 || padT > h1 || padR > w3 || padB > h3 || !opaqueContents)
svg->render(painter, "center", QRect(l+w1, t+h1, wx, hx));
svg->render(painter, "right", QRect(l+w1+wx, t+h1, w3, hx));
svg->render(painter, "bottomleft", QRect(l, t+h1+hx,w1, h3));
svg->render(painter, "bottom", QRect(l+w1, t+h1+hx,wx, h3));
svg->render(painter, "bottomright", QRect(l+w1+wx, t+h1+hx,w3, h3));
#if 0
// export sgv elements as png. don't use!
const char * names[9] = { "topleft", "top", "topright", "left", "center", "right", "bottomleft", "bottom", "bottomright" };
for (int i = 0; i < 9; i++) {
QRect r = svg->boundsOnElement(QString(names[i])).toRect();
QPixmap pix(r.size());
pix.fill(Qt::transparent);
QPainter pixPainter(&pix);
svg->render(&pixPainter, QString(names[i]));
pixPainter.end();
pix.save(QString("%1.png").arg(i));
}
#endif
}
};
PlasmaFrame::PlasmaFrame(quint32 frameClass, const QString & frameFilePath)
: d(new PlasmaFramePrivate())
{
// create the renderer
d->svg = new QSvgRenderer(frameFilePath);
if (!d->svg->isValid()) {
qWarning("PlasmaFrame::PlasmaFrame: invalid file %s", qPrintable(frameFilePath));
delete d->svg;
d->svg = 0;
return;
}
// find out inital params
d->w1 = d->widthOf("topleft");
d->w2 = d->widthOf("top");
d->w3 = d->widthOf("topright");
d->h1 = d->heightOf("topleft");
d->h2 = d->heightOf("left");
d->h3 = d->heightOf("bottomleft");
d->padL = d->widthOf("hint-left-margin", d->w1);
d->padT = d->heightOf("hint-top-margin", d->h1);
d->padR = d->widthOf("hint-right-margin", d->w3);
d->padB = d->heightOf("hint-bottom-margin", d->h3);
d->stretchBorders = d->svg->elementExists("hint-stretch-borders");
d->frameClass = frameClass;
}
PlasmaFrame::~PlasmaFrame()
{
delete d;
}
bool PlasmaFrame::isValid() const
{
return d->svg;
}
quint32 PlasmaFrame::frameClass() const
{
return d->frameClass;
}
QRect PlasmaFrame::frameRect(const QRect & contentsRect) const
{
return contentsRect.adjusted(-d->padL, -d->padT, d->padR, d->padB);
}
void PlasmaFrame::layoutButtons(QList<ButtonItem *> buttons, const QRect & frameRect) const
{
const int spacing = 4;
int left = frameRect.left() + d->padL;
int top = frameRect.top() + d->padT;
int right = frameRect.right() - d->padR;
int bottom = frameRect.bottom() - d->padB;
int offset = right;
foreach (ButtonItem * button, buttons) {
switch (button->buttonType()) {
case ButtonItem::FlipH:
button->setPos(right - button->width() / 2, (top + bottom) / 2);
break;
case ButtonItem::FlipV:
button->setPos((left + right) / 2, top + button->height() / 2);
break;
default:
button->setPos(offset - button->width() / 2, bottom - button->height() / 2);
offset -= button->width() + spacing;
break;
}
}
}
void PlasmaFrame::layoutText(QGraphicsItem * textItem, const QRect & /*frameRect*/) const
{
textItem->hide();
//textItem->setPos( frameRect.left() + d->padL, frameRect.center().y() - textItem->boundingRect().size().height() / 2 );
}
void PlasmaFrame::drawFrame(QPainter * painter, const QRect & frameRect, bool selected, bool opaqueContents)
{
if (selected)
painter->fillRect(frameRect, RenderOpts::hiColor);
d->draw(painter, frameRect, opaqueContents);
}
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