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/*
* This file is part of unity-2d
*
* Copyright 2012 Canonical Ltd.
*
* Authors:
* - Ugo Riboni <ugo.riboni@canonical.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; version 3.
*
* 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. If not, see <http://www.gnu.org/licenses/>.
*/
#include "inputshaperectangle.h"
#include "inputshapemask.h"
#include <QBitmap>
#include <QPainter>
#include <QPainterPath>
#include <QDebug>
#include <QRect>
InputShapeRectangle::InputShapeRectangle(QObject *parent) :
QObject(parent),
m_enabled(true),
m_mirrorHorizontally(false)
{
}
void InputShapeRectangle::updateShape()
{
QBitmap newShape(m_rectangle.width(), m_rectangle.height());
newShape.fill(Qt::color1);
if (!m_rectangle.isEmpty() && m_masks.count() > 0) {
QPainter painter(&newShape);
painter.setBackgroundMode(Qt::OpaqueMode);
Q_FOREACH (InputShapeMask* mask, m_masks) {
if (mask->enabled()) {
painter.drawPixmap(mask->position(), mask->shape());
}
}
}
if (m_mirrorHorizontally) {
newShape = QBitmap::fromImage(newShape.toImage().mirrored(true, false));
}
m_shape = newShape;
Q_EMIT shapeChanged();
}
QRectF InputShapeRectangle::rectangle() const
{
return m_rectangle;
}
void InputShapeRectangle::setRectangle(QRectF rectangle)
{
if (rectangle != m_rectangle) {
m_rectangle = rectangle;
updateShape();
Q_EMIT rectangleChanged();
}
}
bool InputShapeRectangle::enabled() const
{
return m_enabled;
}
void InputShapeRectangle::setEnabled(bool enabled)
{
if (enabled != m_enabled) {
m_enabled = enabled;
Q_EMIT enabledChanged();
}
}
QBitmap InputShapeRectangle::shape() const
{
return m_shape;
}
QDeclarativeListProperty<InputShapeMask> InputShapeRectangle::masks()
{
return QDeclarativeListProperty<InputShapeMask>(this, this, &InputShapeRectangle::appendMask);
}
bool InputShapeRectangle::mirrorHorizontally() const
{
return m_mirrorHorizontally;
}
void InputShapeRectangle::setMirrorHorizontally(bool mirror)
{
if (mirror != m_mirrorHorizontally) {
m_mirrorHorizontally = mirror;
updateShape();
Q_EMIT mirrorHorizontallyChanged(m_mirrorHorizontally);
}
}
void InputShapeRectangle::appendMask(QDeclarativeListProperty<InputShapeMask> *list, InputShapeMask *mask)
{
InputShapeRectangle* instance = qobject_cast<InputShapeRectangle*>(list->object);
if (instance != NULL) {
instance->m_masks.append(mask);
instance->connect(mask, SIGNAL(enabledChanged()), SLOT(updateShape()));
instance->connect(mask, SIGNAL(shapeChanged()), SLOT(updateShape()));
instance->connect(mask, SIGNAL(positionChanged()), SLOT(updateShape()));
instance->updateShape();
}
}
#include "inputshaperectangle.moc"
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