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path: root/noncore
authorleseb <leseb>2002-07-10 21:59:27 (UTC)
committer leseb <leseb>2002-07-10 21:59:27 (UTC)
commitf568737c20bea96fb79d85681a72e142ec05d66f (patch) (side-by-side diff)
tree80d08b351bbdeec5be93885a4c18ba0207ef990a /noncore
parent01b04adb73c8bc49938b71a4bebe6fb6a5477f75 (diff)
downloadopie-f568737c20bea96fb79d85681a72e142ec05d66f.zip
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Undo/redo reimplemented
Diffstat (limited to 'noncore') (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/graphics/drawpad/drawpad.cpp28
-rw-r--r--noncore/graphics/drawpad/drawpad.h6
-rw-r--r--noncore/graphics/drawpad/drawpadcanvas.cpp146
-rw-r--r--noncore/graphics/drawpad/drawpadcanvas.h6
-rw-r--r--noncore/graphics/drawpad/erasetool.cpp8
-rw-r--r--noncore/graphics/drawpad/filltool.cpp46
-rw-r--r--noncore/graphics/drawpad/page.cpp60
-rw-r--r--noncore/graphics/drawpad/page.h20
-rw-r--r--noncore/graphics/drawpad/pageinformationdialog.cpp4
-rw-r--r--noncore/graphics/drawpad/pointtool.cpp8
-rw-r--r--noncore/graphics/drawpad/shapetool.cpp12
-rw-r--r--noncore/graphics/drawpad/texttool.cpp6
-rw-r--r--noncore/graphics/drawpad/thumbnailview.cpp6
13 files changed, 169 insertions, 187 deletions
diff --git a/noncore/graphics/drawpad/drawpad.cpp b/noncore/graphics/drawpad/drawpad.cpp
index 4eb47a5..b0a414e 100644
--- a/noncore/graphics/drawpad/drawpad.cpp
+++ b/noncore/graphics/drawpad/drawpad.cpp
@@ -52,15 +52,13 @@ DrawPad::DrawPad(QWidget* parent, const char* name)
: QMainWindow(parent, name)
{
// init members
m_pDrawPadCanvas = new DrawPadCanvas(this, this);
- connect(m_pDrawPadCanvas, SIGNAL(pagesChanged()), this, SLOT(updateNavigationToolButtons()));
- connect(m_pDrawPadCanvas, SIGNAL(pagesChanged()), this, SLOT(updateCaption()));
- connect(m_pDrawPadCanvas, SIGNAL(pageBackupsChanged()), this, SLOT(updateUndoRedoToolButtons()));
+ connect(m_pDrawPadCanvas, SIGNAL(pagesChanged()), this, SLOT(updateView()));
setCentralWidget(m_pDrawPadCanvas);
// init menu
setToolBarsMovable(false);
@@ -539,33 +537,27 @@ void DrawPad::changeBrushColor(const QColor& color)
painter.fillRect(QRect(0, 12, 14, 2), m_brush.color());
painter.end();
m_pBrushColorToolButton->popup()->hide();
}
-void DrawPad::updateUndoRedoToolButtons()
-{
- m_pUndoAction->setEnabled(m_pDrawPadCanvas->undoEnabled());
- m_pRedoAction->setEnabled(m_pDrawPadCanvas->redoEnabled());
-}
-
-void DrawPad::updateNavigationToolButtons()
-{
- m_pFirstPageAction->setEnabled(m_pDrawPadCanvas->goPreviousPageEnabled());
- m_pPreviousPageAction->setEnabled(m_pDrawPadCanvas->goPreviousPageEnabled());
- m_pNextPageAction->setEnabled(m_pDrawPadCanvas->goNextPageEnabled());
- m_pLastPageAction->setEnabled(m_pDrawPadCanvas->goNextPageEnabled());
-}
-
-void DrawPad::updateCaption()
+void DrawPad::updateView()
{
uint pagePosition = m_pDrawPadCanvas->pagePosition();
uint pageCount = m_pDrawPadCanvas->pageCount();
setCaption(tr("DrawPad") + " - " + tr("Page") + " "
+ QString::number(pagePosition) + "/" + QString::number(pageCount));
+
+ m_pUndoAction->setEnabled(m_pDrawPadCanvas->currentPage()->undoEnabled());
+ m_pRedoAction->setEnabled(m_pDrawPadCanvas->currentPage()->redoEnabled());
+
+ m_pFirstPageAction->setEnabled(m_pDrawPadCanvas->goPreviousPageEnabled());
+ m_pPreviousPageAction->setEnabled(m_pDrawPadCanvas->goPreviousPageEnabled());
+ m_pNextPageAction->setEnabled(m_pDrawPadCanvas->goNextPageEnabled());
+ m_pLastPageAction->setEnabled(m_pDrawPadCanvas->goNextPageEnabled());
}
void DrawPad::deleteAll()
{
QMessageBox messageBox(tr("Delete All"), tr("Do you want to delete\nall the pages?"),
QMessageBox::Information, QMessageBox::Yes,
diff --git a/noncore/graphics/drawpad/drawpad.h b/noncore/graphics/drawpad/drawpad.h
index c57606c..7306228 100644
--- a/noncore/graphics/drawpad/drawpad.h
+++ b/noncore/graphics/drawpad/drawpad.h
@@ -56,16 +56,14 @@ private slots:
void setFillTool();
void setEraseTool();
void changePenWidth(int value);
void changePenColor(const QColor& color);
void changeBrushColor(const QColor& color);
-
- void updateUndoRedoToolButtons();
- void updateNavigationToolButtons();
- void updateCaption();
+
+ void updateView();
void deleteAll();
void importPage();
void exportPage();
void thumbnailView();
void pageInformation();
diff --git a/noncore/graphics/drawpad/drawpadcanvas.cpp b/noncore/graphics/drawpad/drawpadcanvas.cpp
index 05dd408..025bebb 100644
--- a/noncore/graphics/drawpad/drawpadcanvas.cpp
+++ b/noncore/graphics/drawpad/drawpadcanvas.cpp
@@ -25,14 +25,12 @@
#include <qimage.h>
#include <qpainter.h>
#include <qtextcodec.h>
#include <qtextstream.h>
#include <qxml.h>
-const int PAGE_BACKUPS = 99;
-
class DrawPadCanvasXmlHandler: public QXmlDefaultHandler
{
public:
DrawPadCanvasXmlHandler();
~DrawPadCanvasXmlHandler();
@@ -146,25 +144,24 @@ bool DrawPadCanvasXmlHandler::characters(const QString& ch)
QImage image;
image.loadFromData((const uchar*)byteArray.data(), m_dataLenght, m_dataFormat);
Page* page = new Page(m_title, image.width(), image.height());
page->setLastModified(m_date);
- page->convertFromImage(image);
+ page->pixmap()->convertFromImage(image);
m_pages.append(page);
}
return true;
}
DrawPadCanvas::DrawPadCanvas(DrawPad* drawPad, QWidget* parent, const char* name)
: QScrollView(parent, name)
{
m_pDrawPad = drawPad;
m_pages.setAutoDelete(true);
- m_pageBackups.setAutoDelete(true);
viewport()->setBackgroundMode(QWidget::NoBackground);
}
DrawPadCanvas::~DrawPadCanvas()
{
@@ -183,38 +180,30 @@ void DrawPadCanvas::load(QIODevice* ioDevice)
xmlSimpleReader.parse(xmlInputSource);
m_pages = drawPadCanvasXmlHandler.pages();
if (m_pages.isEmpty()) {
m_pages.append(new Page("", contentsRect().size()));
- m_pages.current()->fill(Qt::white);
+ m_pages.current()->pixmap()->fill(Qt::white);
}
- m_pageBackups.clear();
- m_pageBackups.append(new Page(*(m_pages.current())));
-
- resizeContents(m_pages.current()->width(), m_pages.current()->height());
+ resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height());
viewport()->update();
emit pagesChanged();
- emit pageBackupsChanged();
}
void DrawPadCanvas::initialPage()
{
m_pages.append(new Page("", 236, 232));
- m_pages.current()->fill(Qt::white);
-
- m_pageBackups.clear();
- m_pageBackups.append(new Page(*(m_pages.current())));
+ m_pages.current()->pixmap()->fill(Qt::white);
- resizeContents(m_pages.current()->width(), m_pages.current()->height());
+ resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height());
viewport()->update();
emit pagesChanged();
- emit pageBackupsChanged();
}
void DrawPadCanvas::save(QIODevice* ioDevice)
{
QTextStream textStream(ioDevice);
textStream.setCodec(QTextCodec::codecForName("UTF-8"));
@@ -224,17 +213,17 @@ void DrawPadCanvas::save(QIODevice* ioDevice)
QListIterator<Page> bufferIterator(m_pages);
for (bufferIterator.toFirst(); bufferIterator.current() != 0; ++bufferIterator) {
textStream << " <image>" << endl;
textStream << " <title>" << bufferIterator.current()->title() << "</title>" << endl;
-
+
int intDate = QDateTime(QDate(1970, 1, 1)).secsTo(bufferIterator.current()->lastModified());
textStream << " <date>" << intDate << "</date>" << endl;
- QImage image = bufferIterator.current()->convertToImage();
+ QImage image = bufferIterator.current()->pixmap()->convertToImage();
QByteArray byteArray;
QBuffer buffer(byteArray);
QImageIO imageIO(&buffer, "PNG");
buffer.open(IO_WriteOnly);
imageIO.setImage(image);
@@ -260,23 +249,19 @@ void DrawPadCanvas::save(QIODevice* ioDevice)
}
void DrawPadCanvas::importPage(const QString& fileName)
{
Page* importedPage = new Page();
- importedPage->load(fileName);
+ importedPage->pixmap()->load(fileName);
m_pages.insert(m_pages.at() + 1, importedPage);
- m_pageBackups.clear();
- m_pageBackups.append(new Page(*(m_pages.current())));
-
- resizeContents(m_pages.current()->width(), m_pages.current()->height());
+ resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height());
viewport()->update();
emit pagesChanged();
- emit pageBackupsChanged();
}
void DrawPadCanvas::exportPage(uint fromPage, uint toPage, const QString& name,const QString& format)
{
if (fromPage == toPage) {
DocLnk docLnk;
@@ -286,13 +271,13 @@ void DrawPadCanvas::exportPage(uint fromPage, uint toPage, const QString& name,c
docLnk.setType(mimeType.id());
FileManager fileManager;
QIODevice* ioDevice = fileManager.saveFile(docLnk);
QImageIO imageIO(ioDevice, format);
- QImage image = m_pages.current()->convertToImage();
+ QImage image = m_pages.current()->pixmap()->convertToImage();
imageIO.setImage(image);
imageIO.write();
delete ioDevice;
} else {
for (uint i = fromPage; i <= toPage; i++) {
DocLnk docLnk;
@@ -302,13 +287,13 @@ void DrawPadCanvas::exportPage(uint fromPage, uint toPage, const QString& name,c
docLnk.setType(mimeType.id());
FileManager fileManager;
QIODevice* ioDevice = fileManager.saveFile(docLnk);
QImageIO imageIO(ioDevice, format);
- QImage image = m_pages.at(i - 1)->convertToImage();
+ QImage image = m_pages.at(i - 1)->pixmap()->convertToImage();
imageIO.setImage(image);
imageIO.write();
delete ioDevice;
}
}
}
@@ -333,115 +318,81 @@ uint DrawPadCanvas::pageCount()
return m_pages.count();
}
void DrawPadCanvas::selectPage(Page* page)
{
m_pages.findRef(page);
- m_pageBackups.clear();
- m_pageBackups.append(new Page(*(m_pages.current())));
- resizeContents(m_pages.current()->width(), m_pages.current()->height());
+ resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height());
viewport()->update();
emit pagesChanged();
- emit pageBackupsChanged();
}
-void DrawPadCanvas::selectPage(uint pagePosition)
+void DrawPadCanvas::backupPage()
{
- m_pages.at(pagePosition - 1);
- m_pageBackups.clear();
- m_pageBackups.append(new Page(*(m_pages.current())));
-
- resizeContents(m_pages.current()->width(), m_pages.current()->height());
- viewport()->update();
+ m_pages.current()->backup();
emit pagesChanged();
- emit pageBackupsChanged();
}
-void DrawPadCanvas::backupPage()
+void DrawPadCanvas::selectPage(uint pagePosition)
{
- m_pages.current()->setLastModified(QDateTime::currentDateTime());
-
- Page* currentBackup = m_pageBackups.current();
- while (m_pageBackups.last() != currentBackup) {
- m_pageBackups.removeLast();
- }
-
- while (m_pageBackups.count() >= (PAGE_BACKUPS + 1)) {
- m_pageBackups.removeFirst();
- }
+ m_pages.at(pagePosition - 1);
- m_pageBackups.append(new Page(*(m_pages.current())));
+ resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height());
+ viewport()->update();
- emit pageBackupsChanged();
+ emit pagesChanged();
}
void DrawPadCanvas::deleteAll()
{
m_pages.clear();
m_pages.append(new Page("", contentsRect().size()));
- m_pages.current()->fill(Qt::white);
+ m_pages.current()->pixmap()->fill(Qt::white);
- m_pageBackups.clear();
- m_pageBackups.append(new Page(*(m_pages.current())));
-
- resizeContents(m_pages.current()->width(), m_pages.current()->height());
+ resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height());
viewport()->update();
emit pagesChanged();
- emit pageBackupsChanged();
}
void DrawPadCanvas::newPage(QString title, uint width, uint height, const QColor& color)
{
m_pages.insert(m_pages.at() + 1, new Page(title, width, height));
- m_pages.current()->fill(color);
-
- m_pageBackups.clear();
- m_pageBackups.append(new Page(*(m_pages.current())));
+ m_pages.current()->pixmap()->fill(color);
- resizeContents(m_pages.current()->width(), m_pages.current()->height());
+ resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height());
viewport()->update();
emit pagesChanged();
- emit pageBackupsChanged();
}
void DrawPadCanvas::clearPage()
{
- m_pages.current()->fill(Qt::white);
+ m_pages.current()->pixmap()->fill(Qt::white);
- m_pageBackups.clear();
- m_pageBackups.append(new Page(*(m_pages.current())));
-
- resizeContents(m_pages.current()->width(), m_pages.current()->height());
+ resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height());
viewport()->update();
-
- emit pageBackupsChanged();
}
void DrawPadCanvas::deletePage()
{
m_pages.remove(m_pages.current());
if (m_pages.isEmpty()) {
m_pages.append(new Page("", contentsRect().size()));
- m_pages.current()->fill(Qt::white);
+ m_pages.current()->pixmap()->fill(Qt::white);
}
- m_pageBackups.clear();
- m_pageBackups.append(new Page(*(m_pages.current())));
-
- resizeContents(m_pages.current()->width(), m_pages.current()->height());
+ resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height());
viewport()->update();
emit pagesChanged();
- emit pageBackupsChanged();
}
void DrawPadCanvas::movePageUp()
{
int index = m_pages.at();
Page* page = m_pages.take();
@@ -456,100 +407,77 @@ void DrawPadCanvas::movePageDown()
Page* page = m_pages.take();
m_pages.insert(index + 1, page);
emit pagesChanged();
}
-bool DrawPadCanvas::undoEnabled()
-{
- return (m_pageBackups.current() != m_pageBackups.getFirst());
-}
-
-bool DrawPadCanvas::redoEnabled()
-{
- return (m_pageBackups.current() != m_pageBackups.getLast());
-}
-
bool DrawPadCanvas::goPreviousPageEnabled()
{
return (m_pages.current() != m_pages.getFirst());
}
bool DrawPadCanvas::goNextPageEnabled()
{
return (m_pages.current() != m_pages.getLast());
}
void DrawPadCanvas::undo()
{
- *(m_pages.current()) = *(m_pageBackups.prev());
+ m_pages.current()->undo();
viewport()->update();
- emit pageBackupsChanged();
+ emit pagesChanged();
}
void DrawPadCanvas::redo()
{
- *(m_pages.current()) = *(m_pageBackups.next());
+ m_pages.current()->redo();
viewport()->update();
- emit pageBackupsChanged();
+ emit pagesChanged();
}
void DrawPadCanvas::goFirstPage()
{
m_pages.first();
- m_pageBackups.clear();
- m_pageBackups.append(new Page(*(m_pages.current())));
- resizeContents(m_pages.current()->width(), m_pages.current()->height());
+ resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height());
viewport()->update();
emit pagesChanged();
- emit pageBackupsChanged();
}
void DrawPadCanvas::goPreviousPage()
{
m_pages.prev();
- m_pageBackups.clear();
- m_pageBackups.append(new Page(*(m_pages.current())));
- resizeContents(m_pages.current()->width(), m_pages.current()->height());
+ resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height());
viewport()->update();
emit pagesChanged();
- emit pageBackupsChanged();
}
void DrawPadCanvas::goNextPage()
{
m_pages.next();
- m_pageBackups.clear();
- m_pageBackups.append(new Page(*(m_pages.current())));
-
- resizeContents(m_pages.current()->width(), m_pages.current()->height());
+ resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height());
viewport()->update();
emit pagesChanged();
- emit pageBackupsChanged();
}
void DrawPadCanvas::goLastPage()
{
m_pages.last();
- m_pageBackups.clear();
- m_pageBackups.append(new Page(*(m_pages.current())));
- resizeContents(m_pages.current()->width(), m_pages.current()->height());
+ resizeContents(m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height());
viewport()->update();
emit pagesChanged();
- emit pageBackupsChanged();
}
void DrawPadCanvas::contentsMousePressEvent(QMouseEvent* e)
{
m_pDrawPad->tool()->mousePressEvent(e);
}
@@ -564,16 +492,16 @@ void DrawPadCanvas::contentsMouseMoveEvent(QMouseEvent* e)
m_pDrawPad->tool()->mouseMoveEvent(e);
}
void DrawPadCanvas::drawContents(QPainter* p, int cx, int cy, int cw, int ch)
{
QRect clipRect(cx, cy, cw, ch);
- QRect pixmapRect(0, 0, m_pages.current()->width(), m_pages.current()->height());
+ QRect pixmapRect(0, 0, m_pages.current()->pixmap()->width(), m_pages.current()->pixmap()->height());
QRect drawRect = pixmapRect.intersect(clipRect);
- p->drawPixmap(drawRect.topLeft(), *(m_pages.current()), drawRect);
+ p->drawPixmap(drawRect.topLeft(), *(m_pages.current()->pixmap()), drawRect);
if (drawRect.right() < clipRect.right()) {
p->fillRect(drawRect.right() + 1, cy, cw - drawRect.width(), ch, colorGroup().dark());
}
if (drawRect.bottom() < clipRect.bottom()) {
diff --git a/noncore/graphics/drawpad/drawpadcanvas.h b/noncore/graphics/drawpad/drawpadcanvas.h
index 2283e5e..80a2a7e 100644
--- a/noncore/graphics/drawpad/drawpadcanvas.h
+++ b/noncore/graphics/drawpad/drawpadcanvas.h
@@ -34,14 +34,12 @@ public:
void initialPage();
void save(QIODevice* ioDevice);
void importPage(const QString& fileName);
void exportPage(uint fromPage, uint toPage, const QString& name, const QString& format);
- bool undoEnabled();
- bool redoEnabled();
bool goPreviousPageEnabled();
bool goNextPageEnabled();
Page* currentPage();
QList<Page> pages();
uint pagePosition();
@@ -55,32 +53,30 @@ public slots:
void deleteAll();
void newPage(QString title, uint width, uint height, const QColor& color);
void clearPage();
void deletePage();
void movePageUp();
void movePageDown();
-
+
void undo();
void redo();
void goFirstPage();
void goPreviousPage();
void goNextPage();
void goLastPage();
signals:
void pagesChanged();
- void pageBackupsChanged();
protected:
void contentsMousePressEvent(QMouseEvent* e);
void contentsMouseReleaseEvent(QMouseEvent* e);
void contentsMouseMoveEvent(QMouseEvent* e);
void drawContents(QPainter* p, int cx, int cy, int cw, int ch);
private:
DrawPad* m_pDrawPad;
QList<Page> m_pages;
- QList<Page> m_pageBackups;
};
#endif // DRAWPADCANVAS_H
diff --git a/noncore/graphics/drawpad/erasetool.cpp b/noncore/graphics/drawpad/erasetool.cpp
index f77e038..2326da5 100644
--- a/noncore/graphics/drawpad/erasetool.cpp
+++ b/noncore/graphics/drawpad/erasetool.cpp
@@ -29,31 +29,31 @@ EraseTool::EraseTool(DrawPad* drawPad, DrawPadCanvas* drawPadCanvas)
EraseTool::~EraseTool()
{
}
void EraseTool::mousePressEvent(QMouseEvent* e)
{
+ m_pDrawPadCanvas->backupPage();
+
m_mousePressed = true;
m_polyline[2] = m_polyline[1] = m_polyline[0] = e->pos();
}
void EraseTool::mouseReleaseEvent(QMouseEvent* e)
{
Q_UNUSED(e)
m_mousePressed = false;
-
- m_pDrawPadCanvas->backupPage();
}
void EraseTool::mouseMoveEvent(QMouseEvent* e)
{
if (m_mousePressed) {
QPainter painter;
QPen pen(Qt::white, m_pDrawPad->pen().width());
- painter.begin(m_pDrawPadCanvas->currentPage());
+ painter.begin(m_pDrawPadCanvas->currentPage()->pixmap());
painter.setPen(pen);
m_polyline[2] = m_polyline[1];
m_polyline[1] = m_polyline[0];
m_polyline[0] = e->pos();
painter.drawPolyline(m_polyline);
painter.end();
@@ -66,11 +66,11 @@ void EraseTool::mouseMoveEvent(QMouseEvent* e)
r.setBottom(r.bottom() + m_pDrawPad->pen().width());
QRect viewportRect(m_pDrawPadCanvas->contentsToViewport(r.topLeft()),
m_pDrawPadCanvas->contentsToViewport(r.bottomRight()));
bitBlt(m_pDrawPadCanvas->viewport(), viewportRect.x(), viewportRect.y(),
- m_pDrawPadCanvas->currentPage(), r.x(), r.y(), r.width(), r.height());
+ m_pDrawPadCanvas->currentPage()->pixmap(), r.x(), r.y(), r.width(), r.height());
m_pDrawPadCanvas->viewport()->update(viewportRect);
}
}
diff --git a/noncore/graphics/drawpad/filltool.cpp b/noncore/graphics/drawpad/filltool.cpp
index 0177e1c..2a39d04 100644
--- a/noncore/graphics/drawpad/filltool.cpp
+++ b/noncore/graphics/drawpad/filltool.cpp
@@ -32,17 +32,19 @@ FillTool::~FillTool()
void FillTool::mousePressEvent(QMouseEvent* e)
{
int x = e->x();
int y = e->y();
- m_image = m_pDrawPadCanvas->currentPage()->convertToImage();
+ m_image = m_pDrawPadCanvas->currentPage()->pixmap()->convertToImage();
m_fillRgb = m_pDrawPad->brush().color().rgb();
m_oldRgb = m_image.pixel(x, y);
if (m_oldRgb != m_fillRgb) {
+ m_pDrawPadCanvas->backupPage();
+
if (m_pDrawPad->antiAliasing()) {
m_mask.create(m_image.width(), m_image.height(), 8, 2);
m_mask.fill(0);
fillMaskLine(x, y);
@@ -55,16 +57,14 @@ void FillTool::mousePressEvent(QMouseEvent* e)
}
} else {
fillLine(x, y);
}
- m_pDrawPadCanvas->currentPage()->convertFromImage(m_image);
+ m_pDrawPadCanvas->currentPage()->pixmap()->convertFromImage(m_image);
m_pDrawPadCanvas->viewport()->update();
-
- m_pDrawPadCanvas->backupPage();
}
}
void FillTool::mouseReleaseEvent(QMouseEvent* e)
{
Q_UNUSED(e)
@@ -108,37 +108,37 @@ void FillTool::fillLine(int x, int y)
}
void FillTool::fillMaskLine(int x, int y)
{
if ((x >= 0) && (x < m_image.width()) && (y >= 0) && (y < m_image.height())) {
if (m_mask.pixelIndex(x, y) == 0) {
- if (rgbDistance(m_image.pixel(x, y), m_oldRgb) < FILL_THRESHOLD) {
- int x1, x2;
+ if (rgbDistance(m_image.pixel(x, y), m_oldRgb) < FILL_THRESHOLD) {
+ int x1, x2;
- x1 = x - 1;
- x2 = x + 1;
+ x1 = x - 1;
+ x2 = x + 1;
- while ((x1 >= 0) && (rgbDistance(m_image.pixel(x1, y), m_oldRgb) < FILL_THRESHOLD)) {
- x1--;
- }
+ while ((x1 >= 0) && (rgbDistance(m_image.pixel(x1, y), m_oldRgb) < FILL_THRESHOLD)) {
+ x1--;
+ }
- while ((x2 < m_image.width()) && (rgbDistance(m_image.pixel(x2, y), m_oldRgb) < FILL_THRESHOLD)) {
- x2++;
- }
+ while ((x2 < m_image.width()) && (rgbDistance(m_image.pixel(x2, y), m_oldRgb) < FILL_THRESHOLD)) {
+ x2++;
+ }
- for (int i = x1 + 1; i < x2; i++) {
- m_mask.setPixel(i, y, 1);
- }
+ for (int i = x1 + 1; i < x2; i++) {
+ m_mask.setPixel(i, y, 1);
+ }
- for (int i = x1 + 1; i < x2; i++) {
- fillMaskLine(i, y - 1);
- }
+ for (int i = x1 + 1; i < x2; i++) {
+ fillMaskLine(i, y - 1);
+ }
- for (int i = x1 + 1; i < x2; i++) {
- fillMaskLine(i, y + 1);
- }
+ for (int i = x1 + 1; i < x2; i++) {
+ fillMaskLine(i, y + 1);
+ }
}
}
}
}
void FillTool::setInterpolatedPixel(int x, int y)
diff --git a/noncore/graphics/drawpad/page.cpp b/noncore/graphics/drawpad/page.cpp
index 601d1c3..fbf3d01 100644
--- a/noncore/graphics/drawpad/page.cpp
+++ b/noncore/graphics/drawpad/page.cpp
@@ -10,50 +10,104 @@
* (at your option) any later version. *
* *
***************************************************************************/
#include "page.h"
+const int PAGE_BACKUPS = 99;
+
Page::Page()
- : QPixmap()
{
+ m_title = "";
m_lastModified = QDateTime::currentDateTime();
+ m_pPixmap = new QPixmap();
+
+ m_backHistory.setAutoDelete(true);
+ m_forwardHistory.setAutoDelete(true);
}
Page::Page(QString title, int w, int h)
- : QPixmap(w, h)
{
m_title = title;
m_lastModified = QDateTime::currentDateTime();
+ m_pPixmap = new QPixmap(w, h);
+
+ m_backHistory.setAutoDelete(true);
+ m_forwardHistory.setAutoDelete(true);
}
Page::Page(QString title, const QSize& size)
- : QPixmap(size)
{
m_title = title;
m_lastModified = QDateTime::currentDateTime();
+ m_pPixmap = new QPixmap(size);
+
+ m_backHistory.setAutoDelete(true);
+ m_forwardHistory.setAutoDelete(true);
}
Page::~Page()
{
+ delete m_pPixmap;
}
QString Page::title() const
{
return m_title;
}
QDateTime Page::lastModified() const
{
return m_lastModified;
}
+QPixmap* Page::pixmap() const
+
+{
+ return m_pPixmap;
+}
+
void Page::setTitle(QString title)
{
m_title = title;
}
void Page::setLastModified(QDateTime lastModified)
{
m_lastModified = lastModified;
}
+bool Page::undoEnabled()
+{
+ return (!m_backHistory.isEmpty());
+}
+
+bool Page::redoEnabled()
+{
+ return (!m_forwardHistory.isEmpty());
+}
+
+void Page::backup()
+{
+ setLastModified(QDateTime::currentDateTime());
+
+ while (m_backHistory.count() >= (PAGE_BACKUPS + 1)) {
+ m_backHistory.removeFirst();
+ }
+
+ m_backHistory.append(new QPixmap(*m_pPixmap));
+ m_forwardHistory.clear();
+}
+
+void Page::undo()
+{
+ m_forwardHistory.append(new QPixmap(*m_pPixmap));
+ m_pPixmap = new QPixmap(*(m_backHistory.last()));
+ m_backHistory.removeLast();
+}
+
+void Page::redo()
+{
+ m_backHistory.append(new QPixmap(*m_pPixmap));
+ m_pPixmap = new QPixmap(*(m_forwardHistory.last()));
+ m_forwardHistory.removeLast();
+}
diff --git a/noncore/graphics/drawpad/page.h b/noncore/graphics/drawpad/page.h
index 20a37b5..8ce7bc9 100644
--- a/noncore/graphics/drawpad/page.h
+++ b/noncore/graphics/drawpad/page.h
@@ -11,31 +11,45 @@
* *
***************************************************************************/
#ifndef PAGE_H
#define PAGE_H
-#include <qpixmap.h>
+#include <qobject.h>
#include <qdatetime.h>
+#include <qlist.h>
+#include <qpixmap.h>
-class Page : public QPixmap
+class Page : public QObject
{
public:
Page();
Page(QString title, int w, int h);
Page(QString title, const QSize& size);
~Page();
-
+
QString title() const;
QDateTime lastModified() const;
+ QPixmap* pixmap() const;
void setTitle(QString title);
void setLastModified(QDateTime lastModified);
+ bool undoEnabled();
+ bool redoEnabled();
+
+ void backup();
+ void undo();
+ void redo();
+
private:
QString m_title;
QDateTime m_lastModified;
+ QPixmap* m_pPixmap;
+
+ QList<QPixmap> m_backHistory;
+ QList<QPixmap> m_forwardHistory;
};
#endif // PAGE_H
diff --git a/noncore/graphics/drawpad/pageinformationdialog.cpp b/noncore/graphics/drawpad/pageinformationdialog.cpp
index c0d055e..cb14d73 100644
--- a/noncore/graphics/drawpad/pageinformationdialog.cpp
+++ b/noncore/graphics/drawpad/pageinformationdialog.cpp
@@ -40,16 +40,16 @@ PageInformationDialog::PageInformationDialog(Page* page, QWidget* parent, const
QLabel* dateLabel = new QLabel(tr("Date:"), generalGroupBox);
QLabel* dateValueLabel = new QLabel(dateTimeString(m_pPage->lastModified()), generalGroupBox);
QGroupBox* sizeGroupBox = new QGroupBox(0, Qt::Vertical, tr("Size"), this);
QLabel* widthLabel = new QLabel(tr("Width:"), sizeGroupBox);
- QLabel* widthValueLabel = new QLabel(QString::number(m_pPage->width()), sizeGroupBox);
+ QLabel* widthValueLabel = new QLabel(QString::number(m_pPage->pixmap()->width()), sizeGroupBox);
QLabel* heightLabel = new QLabel(tr("Height:"), sizeGroupBox);
- QLabel* heightValueLabel = new QLabel(QString::number(m_pPage->height()), sizeGroupBox);
+ QLabel* heightValueLabel = new QLabel(QString::number(m_pPage->pixmap()->height()), sizeGroupBox);
QVBoxLayout* mainLayout = new QVBoxLayout(this, 4, 4);
generalGroupBox->layout()->setSpacing(4);
sizeGroupBox->layout()->setSpacing(4);
QGridLayout* generalLayout = new QGridLayout(generalGroupBox->layout(), 2, 2);
QGridLayout* sizeLayout = new QGridLayout(sizeGroupBox->layout(), 2, 2);
diff --git a/noncore/graphics/drawpad/pointtool.cpp b/noncore/graphics/drawpad/pointtool.cpp
index a4f846e..b9b52bc 100644
--- a/noncore/graphics/drawpad/pointtool.cpp
+++ b/noncore/graphics/drawpad/pointtool.cpp
@@ -30,23 +30,23 @@ PointTool::PointTool(DrawPad* drawPad, DrawPadCanvas* drawPadCanvas)
PointTool::~PointTool()
{
}
void PointTool::mousePressEvent(QMouseEvent* e)
{
+ m_pDrawPadCanvas->backupPage();
+
m_mousePressed = true;
m_polyline[2] = m_polyline[1] = m_polyline[0] = e->pos();
}
void PointTool::mouseReleaseEvent(QMouseEvent* e)
{
Q_UNUSED(e)
m_mousePressed = false;
-
- m_pDrawPadCanvas->backupPage();
}
void PointTool::mouseMoveEvent(QMouseEvent* e)
{
if (m_mousePressed) {
m_polyline[2] = m_polyline[1];
@@ -58,13 +58,13 @@ void PointTool::mouseMoveEvent(QMouseEvent* e)
r.setLeft(r.left() - m_pDrawPad->pen().width());
r.setTop(r.top() - m_pDrawPad->pen().width());
r.setRight(r.right() + m_pDrawPad->pen().width());
r.setBottom(r.bottom() + m_pDrawPad->pen().width());
QPainter painter;
- painter.begin(m_pDrawPadCanvas->currentPage());
+ painter.begin(m_pDrawPadCanvas->currentPage()->pixmap());
if (m_pDrawPad->antiAliasing()) {
QPixmap areaPixmap(r.width(), r.height());
bitBlt(&areaPixmap, QPoint(0, 0), painter.device(), r);
QImage areaImage = areaPixmap.convertToImage();
@@ -101,11 +101,11 @@ void PointTool::mouseMoveEvent(QMouseEvent* e)
painter.end();
QRect viewportRect(m_pDrawPadCanvas->contentsToViewport(r.topLeft()),
m_pDrawPadCanvas->contentsToViewport(r.bottomRight()));
bitBlt(m_pDrawPadCanvas->viewport(), viewportRect.x(), viewportRect.y(),
- m_pDrawPadCanvas->currentPage(), r.x(), r.y(), r.width(), r.height());
+ m_pDrawPadCanvas->currentPage()->pixmap(), r.x(), r.y(), r.width(), r.height());
m_pDrawPadCanvas->viewport()->update(viewportRect);
}
}
diff --git a/noncore/graphics/drawpad/shapetool.cpp b/noncore/graphics/drawpad/shapetool.cpp
index 8870a78..22e3dd6 100644
--- a/noncore/graphics/drawpad/shapetool.cpp
+++ b/noncore/graphics/drawpad/shapetool.cpp
@@ -29,22 +29,24 @@ ShapeTool::ShapeTool(DrawPad* drawPad, DrawPadCanvas* drawPadCanvas)
ShapeTool::~ShapeTool()
{
}
void ShapeTool::mousePressEvent(QMouseEvent* e)
{
+ m_pDrawPadCanvas->backupPage();
+
m_mousePressed = true;
m_polyline[2] = m_polyline[1] = m_polyline[0] = e->pos();
}
void ShapeTool::mouseReleaseEvent(QMouseEvent* e)
{
Q_UNUSED(e)
QPainter painter;
- painter.begin(m_pDrawPadCanvas->currentPage());
+ painter.begin(m_pDrawPadCanvas->currentPage()->pixmap());
drawFinalShape(painter);
painter.end();
QRect r = m_polyline.boundingRect();
r = r.normalize();
r.setLeft(r.left() - m_pDrawPad->pen().width());
@@ -53,27 +55,25 @@ void ShapeTool::mouseReleaseEvent(QMouseEvent* e)
r.setBottom(r.bottom() + m_pDrawPad->pen().width());
QRect viewportRect(m_pDrawPadCanvas->contentsToViewport(r.topLeft()),
m_pDrawPadCanvas->contentsToViewport(r.bottomRight()));
bitBlt(m_pDrawPadCanvas->viewport(), viewportRect.x(), viewportRect.y(),
- m_pDrawPadCanvas->currentPage(), r.x(), r.y(), r.width(), r.height());
+ m_pDrawPadCanvas->currentPage()->pixmap(), r.x(), r.y(), r.width(), r.height());
m_pDrawPadCanvas->viewport()->update(viewportRect);
m_mousePressed = false;
-
- m_pDrawPadCanvas->backupPage();
}
void ShapeTool::mouseMoveEvent(QMouseEvent* e)
{
if (m_mousePressed) {
m_polyline[0] = e->pos();
QPainter painter;
- painter.begin(m_pDrawPadCanvas->currentPage());
+ painter.begin(m_pDrawPadCanvas->currentPage()->pixmap());
drawTemporaryShape(painter);
painter.end();
QRect r = m_polyline.boundingRect();
r = r.normalize();
r.setLeft(r.left() - m_pDrawPad->pen().width());
@@ -82,13 +82,13 @@ void ShapeTool::mouseMoveEvent(QMouseEvent* e)
r.setBottom(r.bottom() + m_pDrawPad->pen().width());
QRect viewportRect(m_pDrawPadCanvas->contentsToViewport(r.topLeft()),
m_pDrawPadCanvas->contentsToViewport(r.bottomRight()));
bitBlt(m_pDrawPadCanvas->viewport(), viewportRect.x(), viewportRect.y(),
- m_pDrawPadCanvas->currentPage(), r.x(), r.y(), r.width(), r.height());
+ m_pDrawPadCanvas->currentPage()->pixmap(), r.x(), r.y(), r.width(), r.height());
m_pDrawPadCanvas->viewport()->update(viewportRect);
m_polyline[1] = m_polyline[0];
}
}
diff --git a/noncore/graphics/drawpad/texttool.cpp b/noncore/graphics/drawpad/texttool.cpp
index 34c8a76..9037abd 100644
--- a/noncore/graphics/drawpad/texttool.cpp
+++ b/noncore/graphics/drawpad/texttool.cpp
@@ -53,21 +53,21 @@ TextTool::~TextTool()
void TextTool::mousePressEvent(QMouseEvent* e)
{
TextToolDialog textToolDialog(m_pDrawPad);
if (textToolDialog.exec() == QDialog::Accepted && !textToolDialog.text().isEmpty()) {
+ m_pDrawPadCanvas->backupPage();
+
QPainter painter;
- painter.begin(m_pDrawPadCanvas->currentPage());
+ painter.begin(m_pDrawPadCanvas->currentPage()->pixmap());
painter.setPen(m_pDrawPad->pen());
painter.drawText(e->x(), e->y(), textToolDialog.text());
painter.end();
m_pDrawPadCanvas->viewport()->update();
-
- m_pDrawPadCanvas->backupPage();
}
}
void TextTool::mouseReleaseEvent(QMouseEvent* e)
{
Q_UNUSED(e)
diff --git a/noncore/graphics/drawpad/thumbnailview.cpp b/noncore/graphics/drawpad/thumbnailview.cpp
index 14092bf..9b08ca2 100644
--- a/noncore/graphics/drawpad/thumbnailview.cpp
+++ b/noncore/graphics/drawpad/thumbnailview.cpp
@@ -32,13 +32,13 @@
PageListBoxItem::PageListBoxItem(Page* page, QListBox* parent)
: QListBoxItem(parent)
{
m_pPage = page;
- QImage image = m_pPage->convertToImage();
+ QImage image = m_pPage->pixmap()->convertToImage();
int previewWidth = THUMBNAIL_SIZE;
int previewHeight = THUMBNAIL_SIZE;
float widthScale = 1.0;
float heightScale = 1.0;
@@ -54,14 +54,14 @@ PageListBoxItem::PageListBoxItem(Page* page, QListBox* parent)
float scale = (widthScale < heightScale ? widthScale : heightScale);
QImage thumbnailImage = image.smoothScale((int)(image.width() * scale) , (int)(image.height() * scale));
m_thumbnail.convertFromImage(thumbnailImage);
m_titleText = QObject::tr("Title:") + " " + m_pPage->title();
- m_dimensionText = QObject::tr("Dimension:") + " " + QString::number(m_pPage->width())
- + "x" + QString::number(m_pPage->height());
+ m_dimensionText = QObject::tr("Dimension:") + " " + QString::number(m_pPage->pixmap()->width())
+ + "x" + QString::number(m_pPage->pixmap()->height());
m_dateText = QObject::tr("Date:") + " " + dateTimeString(m_pPage->lastModified());
QColor baseColor = parent->colorGroup().base();
int h, s, v;
baseColor.hsv(&h, &s, &v);