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paintingarea.cpp
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paintingarea.cpp
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#include <QDebug>
#include <QGraphicsSceneResizeEvent>
#include <QPen>
#include <QTransform>
#include <QSettings>
#include <MApplication>
#include "paintingarea.h"
#include "mainpage.h"
PaintingArea::PaintingArea(bool feedbackEnabled, MWidget *parent) :
MWidget(parent),
feedbackEnabled(feedbackEnabled)
{
setAttribute(Qt::WA_AcceptTouchEvents);
setAttribute(Qt::WA_StaticContents);
this->setAcceptTouchEvents(true);
this->lineWidthSelected = 6;
this->toolTypeSelected = finger;
this->rubberMode = false;
color = QColor("black");
ok = true;
panningMode = false;
this->parent = parent;
/* There's no undo images yet. */
undo_indi = -1;
redo_indi = -1;
count_redo = 0;
count_undo = 0;
for (int i = 0; i < MAX_UNDO; i++)
undo_image[i] = new QPixmap();
// Set image var to NULL.
image = new QPixmap();
// Initialize feedback.
feedbackPress = new MFeedback();
}
PaintingArea::~PaintingArea()
{
delete feedbackPress;
}
void PaintingArea::feedbackPressSlot()
{
if (feedbackEnabled)
feedbackPress->play("priority2_static_press");
}
void PaintingArea::feedbackReleaseSlot()
{
if (feedbackEnabled)
feedbackPress->play("priority2_static_release");
}
void PaintingArea::setFeedbackEnabled(bool enabled)
{
this->feedbackEnabled = enabled;
}
void PaintingArea::openImage (QString newImage)
{
if (image->isNull())
createNewImage();
resetUndoRedoCounters();
image->load(newImage, "PNG");
standardZoom();
setIsImageModified(false);
this->width = image->width();
this->height = image->height();
this->resize(image->width(), image->height());
this->setGeometry(0, 0, image->width(), image->height());
this->setMinimumSize(image->width(), image->height());
this->setMaximumSize(image->width(), image->height());
}
void PaintingArea::saveImage (QString filename)
{
if(filename.count(".png") < 1) {
filename += ".png";
}
QFile file(filename);
if(file.exists())
file.remove();
image->save(filename, "PNG");
setIsImageModified(false);
}
QRectF PaintingArea::boundingRect() const
{
return QRectF(0, 0, width, height);
}
void PaintingArea::paint(QPainter *painter, const QStyleOptionGraphicsItem*, QWidget*)
{
QRect rect = QRect(0, 0, this->width, this->height);
painter->drawPixmap(rect.topLeft(), *image);
}
void PaintingArea::drawLineFromTo(QPointF from, QPointF to)
{
QPainter painter(image);
QPen pen;
pen.setWidth(lineWidthSelected);
pen.setBrush(QBrush(color));
pen.setCapStyle(Qt::RoundCap);
pen.setJoinStyle(Qt::RoundJoin);
painter.setPen(pen);
painter.setBrush(QBrush(color));
painter.drawLine(from, to);
painter.end();
}
void PaintingArea::drawFinal(QPointF from, QPointF to)
{
QPainter painter(image);
QPen pen;
if(toolTypeSelected == line)
pen.setWidth(lineWidthSelected);
else
pen.setWidth(0);
pen.setBrush(QBrush(color));
pen.setCapStyle(Qt::RoundCap);
pen.setJoinStyle(Qt::RoundJoin);
painter.setPen(pen);
painter.setBrush(QBrush(color));
/*
updateLowPoint(from);
updateLowPoint(to);
updateHighPoint(from);
updateHighPoint(to);*/
if(from.x() < lastPoint.x()) {
if(from.y() < lastPoint.y()) {
lowPoint.setX(from.x()-5);
lowPoint.setY(from.y()-5);
highPoint.setX(lastPoint.x()+5);
highPoint.setY(lastPoint.y()+5);
}
else {
lowPoint.setX(from.x()-5);
lowPoint.setY(lastPoint.y()-5);
highPoint.setX(lastPoint.x()+5);
highPoint.setY(from.y()+5);
}
}
else {
if(from.y() < lastPoint.y()) {
lowPoint.setX(lastPoint.x()-5);
lowPoint.setY(from.y()-5);
highPoint.setX(from.x()+5);
highPoint.setY(lastPoint.y()+5);
}
else {
lowPoint.setX(lastPoint.x()-5);
lowPoint.setY(lastPoint.y()-5);
highPoint.setX(from.x()+5);
highPoint.setY(from.y()+5);
}
}
QRectF target(lowPoint, highPoint);
int targetWidth = target.width();
int targetHeight = target.height();
switch (this->toolTypeSelected) {
case rectangle: {
break;
}
case elipse: {
target.setTopLeft(QPointF(lowPoint.x() - (targetWidth / 8), lowPoint.y() - (targetHeight / 8)));
target.setBottomRight(QPointF(highPoint.x() + (targetWidth / 10), highPoint.y() + (targetHeight / 10)));
break;
}
case line: {
target.setTopLeft(QPointF(lowPoint.x() - lineWidthSelected, lowPoint.y() - lineWidthSelected));
target.setBottomRight(QPointF(highPoint.x() + lineWidthSelected, highPoint.y() + lineWidthSelected));
break;
}
}
if (from.x() < to.x() && from.y() < to.y())
{
if(target.width() > 1 && target.height() > 1)
painter.drawPixmap(target, *backup_image, target);
switch (this->toolTypeSelected) {
case line: {
painter.drawLine(from.x(), from.y(), to.x(), to.y());
break;
}
case rectangle: {
painter.drawRect(from.x(), from.y(), to.x() - from.x() - 1, to.y() - from.y() - 1);
break;
}
case elipse: {
painter.drawEllipse(from.x(), from.y(), to.x() - from.x() - 1, to.y() - from.y() - 1);
break;
}
}
}
else if (from.x() < to.x() && from.y() > to.y())
{
if(target.width() > 1 && target.height() > 1)
painter.drawPixmap(target, *backup_image, target);
switch (this->toolTypeSelected) {
case line: {
painter.drawLine(from.x(), from.y(), to.x(), to.y());
break;
}
case rectangle: {
painter.drawRect(from.x(), to.y(), to.x() - from.x() - 1, from.y() - to.y() - 1);
break;
}
case elipse: {
painter.drawEllipse(from.x(), to.y(), to.x() - from.x() - 1, from.y() - to.y() - 1);
break;
}
}
}
else if (from.x() > to.x() && from.y() < to.y())
{
if(target.width() > 1 && target.height() > 1)
painter.drawPixmap(target, *backup_image, target);
switch (this->toolTypeSelected) {
case line: {
painter.drawLine(from.x(), from.y(), to.x(), to.y());
break;
}
case rectangle: {
painter.drawRect(to.x(), from.y(), from.x() - to.x() - 1, to.y() - from.y() - 1);
break;
}
case elipse: {
painter.drawEllipse(to.x(), from.y(), from.x() - to.x() - 1, to.y() - from.y() - 1);
break;
}
}
}
else if (from.x() > to.x() && from.y() > to.y())
{
if(target.width() > 1 && target.height() > 1)
painter.drawPixmap(target, *backup_image, target);
switch (this->toolTypeSelected) {
case line: {
painter.drawLine(from.x(), from.y(), to.x(), to.y());
break;
}
case rectangle: {
painter.drawRect(to.x(), to.y(), from.x() - to.x() - 1, from.y() - to.y() - 1);
break;
}
case elipse: {
painter.drawEllipse(to.x(), to.y(), from.x() - to.x() - 1, from.y() - to.y() - 1);
break;
}
}
}
painter.end();
update(target);
}
void PaintingArea::updateLowPoint(QPointF point)
{
if(lowPoint.x() > point.x()) {
lowPoint.setX(point.x());
}
if(lowPoint.y() > point.y()) {
lowPoint.setY(point.y());
}
}
void PaintingArea::updateHighPoint(QPointF point)
{
if(highPoint.x() < point.x()) {
highPoint.setX(point.x());
}
if(highPoint.y() < point.y()) {
highPoint.setY(point.y());
}
}
void PaintingArea::setActualEreasingAreaRectangle(QPointF from, QPointF to, int direction)
{
qDebug() << "FROM: " << from.x() << ":" << from.y() << " TO: " << to.x() << ":" << to.y() << " LastPoint: " << lastPoint.x() << ":" << lastPoint.y();
/* direction == 1 */
if(direction == 1) {
// from.x() < to.x() && from.y() < to.y()
/* If covers out last region, do not erease */
if(to.x() > lastPoint.x() && to.y() > lastPoint.y()) {
previousDirection = 1;
return;
}
else {
QPainter painter(image);
/* Check previous direction */
if(previousDirection == 2) {
lowPoint.setX(from.x());
lowPoint.setY(lastPoint.y());
highPoint.setX(to.x());
highPoint.setY(from.y());
QRectF ereaseTargetDirection1(lowPoint, highPoint);
painter.drawPixmap(ereaseTargetDirection1, *backup_image, ereaseTargetDirection1);
qDebug() << "CRI DONE";
}
else if(previousDirection == 4) {
lowPoint.setX(lastPoint.x());
lowPoint.setY(from.y());
highPoint.setX(from.x());
highPoint.setY(lastPoint.y());
QRectF ereaseTargetDirection1(lowPoint, highPoint);
painter.drawPixmap(ereaseTargetDirection1, *backup_image, ereaseTargetDirection1);
}
/* Erease the right part of the region */
lowPoint.setX(to.x());
lowPoint.setY(from.y());
highPoint.setX(lastPoint.x()+1);
highPoint.setY(lastPoint.y()+1);
QRectF ereaseTarget(lowPoint, highPoint);
if(ereaseTarget.width() >= 1 && ereaseTarget.height() >= 1)
painter.drawPixmap(ereaseTarget, *backup_image, ereaseTarget);
/* Erease the bottom part of the region */
lowPoint.setX(from.x());
lowPoint.setY(to.y());
highPoint.setX(to.x());
highPoint.setY(lastPoint.y()+1);
QRectF ereaseTarget2(lowPoint, highPoint);
ereaseTarget2.setTopLeft(lowPoint);
ereaseTarget2.setBottomRight(highPoint);
if(ereaseTarget2.width() >= 1 && ereaseTarget2.height() >= 1)
painter.drawPixmap(ereaseTarget2, *backup_image, ereaseTarget2);
painter.end();
previousDirection = 1;
return;
}
}
/* direction == 2 */
else if(direction == 2) {
// from.x() < to.x() && from.y() > to.y()
/* If covers out last region, do not erease */
if(to.x() > lastPoint.x() && to.y() < lastPoint.y()) {
qDebug() << "COVERING";
previousDirection = 2;
return;
}
else {
QPainter painter(image);
/* Check previous direction */
if(previousDirection == 1) {
lowPoint.setX(from.x());
lowPoint.setY(from.y());
highPoint.setX(to.x());
highPoint.setY(lastPoint.y());
QRectF ereaseTargetDirection1(lowPoint, highPoint);
painter.drawPixmap(ereaseTargetDirection1, *backup_image, ereaseTargetDirection1);
qDebug() << "CRI DONE";
}
/* Erease the right part of the region */
lowPoint.setX(to.x());
lowPoint.setY(lastPoint.y());
highPoint.setX(lastPoint.x()+1);
highPoint.setY(from.y());
QRectF ereaseTarget(lowPoint, highPoint);
if(ereaseTarget.width() >= 1 && ereaseTarget.height() >= 1)
painter.drawPixmap(ereaseTarget, *backup_image, ereaseTarget);
/* Erease the upper part of the region */
lowPoint.setX(from.x()-1);
lowPoint.setY(lastPoint.y());
highPoint.setX(to.x());
highPoint.setY(to.y());
QRectF ereaseTarget2(lowPoint, highPoint);
ereaseTarget2.setTopLeft(lowPoint);
ereaseTarget2.setBottomRight(highPoint);
if(ereaseTarget2.width() >= 1 && ereaseTarget2.height() >= 1)
painter.drawPixmap(ereaseTarget2, *backup_image, ereaseTarget2);
painter.end();
previousDirection = 2;
return;
}
}
/* direction == 3 */
else if(direction == 3) {
// from.x() > to.x() && from.y() < to.y()
/* If covers out last region, do not erease */
if(to.x() < lastPoint.x() && to.y() > lastPoint.y()) {
previousDirection = 3;
qDebug() << "COVERING";
return;
}
else {
QPainter painter(image);
/* Erease the left part of the region */
lowPoint.setX(lastPoint.x());
lowPoint.setY(from.y());
highPoint.setX(to.x());
highPoint.setY(lastPoint.y());
QRectF ereaseTarget(lowPoint, highPoint);
if(ereaseTarget.width() >= 1 && ereaseTarget.height() >= 1)
painter.drawPixmap(ereaseTarget, *backup_image, ereaseTarget);
/* Erease the bottom part of the region */
lowPoint.setX(to.x());
lowPoint.setY(to.y());
highPoint.setX(from.x());
highPoint.setY(lastPoint.y());
QRectF ereaseTarget2(lowPoint, highPoint);
ereaseTarget2.setTopLeft(lowPoint);
ereaseTarget2.setBottomRight(highPoint);
if(ereaseTarget2.width() >= 1 && ereaseTarget2.height() >= 1)
painter.drawPixmap(ereaseTarget2, *backup_image, ereaseTarget2);
painter.end();
previousDirection = 3;
return;
}
}
/* direction == 4 */
else if(direction == 4) {
// from.x() > to.x() && from.y() > to.y()
/* If covers out last region, do not erease */
if(to.x() < lastPoint.x() && to.y() < lastPoint.y()) {
previousDirection = 4;
qDebug() << "COVERING";
return;
}
else {
QPainter painter(image);
/* Erease the left part of the region */
lowPoint.setX(lastPoint.x());
lowPoint.setY(lastPoint.y());
highPoint.setX(to.x());
highPoint.setY(from.y());
QRectF ereaseTarget(lowPoint, highPoint);
if(ereaseTarget.width() > 1 && ereaseTarget.height() > 1)
painter.drawPixmap(ereaseTarget, *backup_image, ereaseTarget);
/* Erease the upper part of the region */
lowPoint.setX(to.x());
lowPoint.setY(lastPoint.y());
highPoint.setX(from.x());
highPoint.setY(to.y());
QRectF ereaseTarget2(lowPoint, highPoint);
ereaseTarget2.setTopLeft(lowPoint);
ereaseTarget2.setBottomRight(highPoint);
if(ereaseTarget2.width() >= 1 && ereaseTarget2.height() >= 1)
painter.drawPixmap(ereaseTarget2, *backup_image, ereaseTarget2);
painter.end();
previousDirection = 4;
return;
}
}
}
bool PaintingArea::isDamaged(QPointF from, QPointF to, int direction)
{
if (direction == 1) {
if(from.x() > to.x() || from.y() > to.y()) {
if(from.x() > to.x())
damageCount = 1;
if(from.y() > to.y())
damageCount = 2;
if(from.x() > to.x() && from.y() > to.y())
damageCount = 3;
qDebug() << "DAMAGE 1";
return true;
}
}
else if (direction == 2) {
if((from.x() > to.x()) || (from.y() < to.y())) {
qDebug() << "DAMAGE 2";
return true;
}
}
else if (direction == 3) {
if(from.x() < to.x() || from.y() > to.y()) {
qDebug() << "DAMAGE 3";
return true;
}
}
else if (direction == 4) {
if(from.x() < to.x() || from.y() < to.y()) {
qDebug() << "DAMAGE 4";
return true;
}
}
qDebug() << "NO DAMAGE";
return false;
}
void PaintingArea::mouseDoubleClickEvent(QGraphicsSceneMouseEvent*)
{
if(panningMode) {
standardZoom();
}
}
void PaintingArea::mousePressEvent(QGraphicsSceneMouseEvent*)
{
if (!panningMode)
feedbackPressSlot();
}
void PaintingArea::mouseReleaseEvent(QGraphicsSceneMouseEvent*)
{
if (!panningMode)
feedbackReleaseSlot();
}
/* Commented out in 1.0.2 */
/*
void PaintingArea::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
if(!panningMode) {
switch (this->toolTypeSelected) {
case line:
case elipse:
case rectangle: { */
//touchBegin = event->pos();
//lowPoint = event->pos();
//highPoint = event->pos();
/* Do not clear backup one more time. */
/*
if(backup_image)
backup_image->~QImage();
backup_image = new QImage(*image);
*/
/*
}
default: {
}
}
}
}
*/
/* Commented out in 1.0.2 */
/*
void PaintingArea::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if(!panningMode) {
switch (this->toolTypeSelected) {
case line:
case elipse:
case rectangle: {
drawFinal(touchBegin, event->pos());
setIsImageModified(true);
}
default: {
}
}
}
}
*/
bool PaintingArea::event(QEvent *event)
{
if(!panningMode) {
switch (event->type()) {
case QEvent::TouchBegin:
{
/* Be ready for undo operation. */
undoPush();
switch (this->toolTypeSelected) {
case line:
case elipse:
case rectangle: {
QList<QTouchEvent::TouchPoint> touchPoints = static_cast<QTouchEvent *>(event)->touchPoints();
if(touchPoints.length() > 0)
{
currPoint = lastPoint = touchBegin = touchPoints[0].lastPos();
lowPoint = touchPoints[0].lastPos();
highPoint = touchPoints[0].lastPos();
damageCount = 0;
if(backup_image)
delete backup_image;
backup_image = new QPixmap(*image);
//setIsImageModified(true);
}
}
default: {
}
}
}
case QEvent::TouchUpdate:
{
switch (this->toolTypeSelected) {
case line:
case elipse:
case rectangle: {
QList<QTouchEvent::TouchPoint> touchPoints = static_cast<QTouchEvent *>(event)->touchPoints();
if(touchPoints.length() > 0)
{
lastPoint = currPoint;
currPoint = touchPoints[0].pos();
drawFinal(touchBegin, touchPoints[0].pos());
}
//setIsImageModified(true);
}
default: {
}
}
}
case QEvent::TouchEnd:
{
setIsImageModified(true);
QList<QTouchEvent::TouchPoint> touchPoints = static_cast<QTouchEvent *>(event)->touchPoints();
foreach (const QTouchEvent::TouchPoint &touchPoint, touchPoints) {
switch (touchPoint.state()) {
case Qt::TouchPointStationary:
continue;
default:
{
switch (this->toolTypeSelected) {
case rubber:
case finger: {
QRectF rect = touchPoint.rect();
if (rect.isEmpty()) {
qreal diameter = qreal(50) * touchPoint.pressure();
rect.setSize(QSizeF(diameter, diameter));
}
QPainter painter(image);
painter.setPen(Qt::NoPen);
if(rubberMode)
painter.setBrush(QBrush("white"));
else
painter.setBrush(QBrush(color));
painter.drawEllipse(rect);
painter.end();
int rad = 2;
update(rect.toRect().adjusted(-rad,-rad, +rad, +rad));
break;
}
case pencil: {
drawLineFromTo(touchPoint.lastPos(), touchPoint.pos());
update(touchPoint.rect().x(), touchPoint.rect().y(), touchPoint.rect().width(), touchPoint.rect().height());
break;
}
case line:
case elipse:
case rectangle: {
break;
}
default:
break;
}
}
}
}
break;
}
default:
return QGraphicsWidget::event(event);
}
}
else {
switch (event->type()) {
case QEvent::TouchBegin:
case QEvent::TouchUpdate:
case QEvent::TouchEnd:
{
QTouchEvent *touchEvent = static_cast<QTouchEvent *>(event);
QList<QTouchEvent::TouchPoint> touchPoints = touchEvent->touchPoints();
if (touchPoints.count() == 2) {
// determine scale factor
const QTouchEvent::TouchPoint &touchPoint0 = touchPoints.first();
const QTouchEvent::TouchPoint &touchPoint1 = touchPoints.last();
qreal currentScaleFactor =
QLineF(touchPoint0.pos(), touchPoint1.pos()).length()
/ QLineF(touchPoint0.startPos(), touchPoint1.startPos()).length();
bool quit = false;
int windowWidth = MApplication::activeWindow()->visibleSceneSize().width();
int windowHeight = MApplication::activeWindow()->visibleSceneSize().height();
int width = image->size().width();
int height = image->size().height();
if (touchEvent->touchPointStates() & Qt::TouchPointReleased) {
// if one of the fingers is released, remember the current scale
// factor so that adding another finger later will continue zooming
// by adding new scale factor to the existing remembered value.
double tempFactor = scaleFactor * currentScaleFactor;
if (( (tempFactor * width) > (windowWidth * 3)) &&
((tempFactor * height) > (windowHeight * 3))){
quit = false;
scaleFactor = lastZoomIn - 0.02;
}
else if (( (tempFactor * width) < (windowWidth - 120)) &&
((tempFactor * height) < (windowHeight - 120)) ) {
quit = false;
scaleFactor = lastZoomOut + 0.02;
}
else {
scaleFactor *= currentScaleFactor;
quit = false;
}
currentScaleFactor = 1;
}
double factor = scaleFactor;
double tempFactor = scaleFactor * currentScaleFactor;
if (( (tempFactor * width) > (windowWidth * 3)) &&
((tempFactor * height) > (windowHeight * 3))){
quit = true;
}
else if (( (tempFactor * width) < (windowWidth - 120)) &&
((tempFactor * height) < (windowHeight - 120)) ) {
quit = true;
}
else {
if(factor * currentScaleFactor > factor)
lastZoomIn = factor * currentScaleFactor;
else
lastZoomOut = factor * currentScaleFactor;
factor *= currentScaleFactor;
quit = false;
}
if(quit)
return true;
this->setMinimumSize(width * factor, height * factor);
this->setMaximumSize(width * factor, height * factor);
this->setTransform(QTransform().scale(factor, factor));
// Let's see if we can still zoom in
if((width * factor < windowWidth)
&& (height * factor < windowHeight)) {
blockZoomingIn = true;
blockZoomingOut = false;
}
else if ((width * factor > (windowWidth * 3) )
&& (height * factor > (windowHeight * 3) )) {
blockZoomingIn = false;
blockZoomingOut = true;
}
else {
blockZoomingIn = false;
blockZoomingOut = false;
}
}
return true;
}
default:
return QGraphicsWidget::event(event);
}
}
return true;
}
void PaintingArea::setBrushColor(QColor color)
{
this->color = color;
}
void PaintingArea::setToolType(int type)
{
toolTypeSelected = type;
}
int PaintingArea::getToolType()
{
return toolTypeSelected;
}
void PaintingArea::setRubberMode(bool mode)
{
rubberMode = mode;
}
void PaintingArea::setLineWidth(int width)
{
switch (width) {
case small:
lineWidthSelected = LINE_WIDTH_SMALL;
break;
case medium:
lineWidthSelected = LINE_WIDTH_MEDIUM;
break;
case large:
lineWidthSelected = LINE_WIDTH_LARGE;
break;
case veryLarge:
lineWidthSelected = LINE_WIDTH_VERY_LARGE;
break;
default:
lineWidthSelected = LINE_WIDTH_MEDIUM;
}
}
int PaintingArea::getLineWidth()
{
switch (lineWidthSelected) {
case LINE_WIDTH_SMALL:
return 0;
break;
case LINE_WIDTH_MEDIUM:
return 1;
break;
case LINE_WIDTH_LARGE:
return 2;
break;
case LINE_WIDTH_VERY_LARGE:
return 3;
break;
default:
return 1;
}
}
void PaintingArea::setPanningMode(bool enabled)
{
this->panningMode = enabled;
}
bool PaintingArea::isImageModified()
{
return imageModified;
}
void PaintingArea::setIsImageModified(bool isModified)
{
imageModified = isModified;
emit this->setSaveNotification(isModified);
}
/*
void PaintingArea::createNewImage_FirstRun()
{
QSettings settings;
int value = settings.value("image/size", 1).toInt();
if(value > 2 || value < 0)
value = 1;
int sWidth, sHeight;
if (value == 0) {
sWidth = 700;
sHeight = 700;
}
else if (value == 2) {
sWidth = 1100;
sHeight = 1100;
}
else {
sWidth = 900;
sHeight = 900;
}
image = new QPixmap(sWidth, sHeight);
QPainter painter(image);
painter.fillRect(image->rect(), QBrush("white"));
painter.end();
this->width = sWidth;
this->height = sHeight;
this->resize(sWidth, sHeight);
this->setGeometry(0, 0, sWidth, sHeight);
this->setMinimumSize(sWidth, sHeight);
this->setMaximumSize(sWidth, sHeight);
standardZoom();
blockZoomingIn = false;
blockZoomingOut = false;
setIsImageModified(false);
}*/
void PaintingArea::createNewImage()
{
QSettings settings;
int value = settings.value("image/size", 1).toInt();
if(value > 2 || value < 0)
value = 1;
int sWidth, sHeight;
if (value == 0) {
sWidth = 700;
sHeight = 700;
}
else if (value == 2) {
sWidth = 1100;
sHeight = 1100;
}
else {
sWidth = 900;
sHeight = 900;
}
if(!image->isNull())
delete image;
image = new QPixmap(sWidth, sHeight);
QPainter painter(image);
painter.fillRect(image->rect(), QBrush("white"));
painter.end();
this->width = sWidth;
this->height = sHeight;
this->resize(sWidth, sHeight);
this->setGeometry(0, 0, sWidth, sHeight);
this->setMinimumSize(sWidth, sHeight);
this->setMaximumSize(sWidth, sHeight);
standardZoom();
blockZoomingIn = false;
blockZoomingOut = false;
setIsImageModified(false);
resetUndoRedoCounters();
}
void PaintingArea::standardZoom()
{
this->setTransform(QTransform().scale(1, 1));
this->scaleFactor = 1;
this->lastZoomOut = 1;
this->lastZoomOut = 1;
this->setMinimumSize(width, height);
this->setMaximumSize(width, height);
}
void PaintingArea::scaleImage(double factor)
{
int width = image->size().width();
int height = image->size().height();
//Get window size:
int windowWidth = MApplication::activeWindow()->visibleSceneSize().width();
int windowHeight = MApplication::activeWindow()->visibleSceneSize().height();
this->setMinimumSize(width * factor, height * factor);
this->setMaximumSize(width * factor, height * factor);
this->setTransform(QTransform().scale(factor, factor));
//Let's see if we can still zoom in
if((width * factor < windowWidth)
&& (height * factor < windowHeight)) {
blockZoomingIn = true;
blockZoomingOut = false;
}
else if ((width * factor > (windowWidth * 1.5) )
&& (height * factor > (windowHeight * 1.5) )) {