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main.py
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import popplerqt4
import sys
from PyQt4 import QtGui, QtCore, uic
import math
import os
import subprocess
class GeometryCommand(QtGui.QUndoCommand):
def __init__(self, item, f, t, text):
QtGui.QUndoCommand.__init__(self, text)
self.item = item
self.f = f
self.t = t
def undo(self):
self.item.changeRect(self.f)
def redo(self):
self.item.changeRect(self.t)
class PdfPageItem(QtGui.QGraphicsItem):
def __init__(self, page):
QtGui.QGraphicsItem.__init__(self)
self.image = None
self.cachedRect = None
self.page = page
tmp = page.renderToImage(75, 75)
self.rect = QtCore.QRectF(0, 0, tmp.width(), tmp.height())
self.setFlag(QtGui.QGraphicsItem.ItemUsesExtendedStyleOption, True)
def boundingRect(self):
return self.rect
def paint(self, painter, option, widget):
d = option.levelOfDetailFromTransform(painter.worldTransform())
d = min(d, 8)
r = self.boundingRect()
top = math.floor(r.top()*d)
left = math.floor(r.left()*d)
bottom = math.ceil(r.bottom()*d)
right = math.ceil(r.right()*d)
if (top,left,right,bottom) != self.cachedRect:
self.image = self.page.renderToImage(
75*d, 75*d, left, top, right-left, bottom-top)
self.cachedRect = (top,left,right,bottom)
painter.drawImage(
QtCore.QRectF(left/d, top/d, (right-left)/d, (bottom-top)/d),
self.image)
class PropertiesModel(QtCore.QAbstractTableModel):
def __init__(self, item):
QtCore.QAbstractItemModel.__init__(self)
self.item = item
def columnCount(self, parent):
return 2
def rowCount(self, parent):
return len(self.item.properties)
def data(self, index, role):
if not index.isValid():
return None
return "HAT"
class ItemBase(QtGui.QGraphicsItem):
def __init__(self, page):
QtGui.QGraphicsItem.__init__(self)
self.page = page
self.startRect = None
self.isHovering = False
self.setAcceptHoverEvents(True)
self.resizeTop = False
self.resizeBottom = False
self.resizeLeft = False
self.resizeRight = False
self.moveStart = None
self.setFlag(QtGui.QGraphicsItem.ItemIsMovable, True)
self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, True)
self.properties = ['width', 'height', 'top', 'left']
def boundingRect(self):
r = QtCore.QRectF(self.innerRect)
r.setLeft(r.left()-2)
r.setTop(r.top()-2)
r.setRight(r.right()+2)
r.setBottom(r.bottom()+2)
return r
def changeRect(self, r):
self.prepareGeometryChange()
self.innerRect = rect
def paint(self, painter, option, widget):
if self.isHovering or self.isSelected():
if self.isSelected():
pen = QtGui.QPen(QtCore.Qt.black, 0, QtCore.Qt.SolidLine)
else:
pen = QtGui.QPen(QtCore.Qt.black, 0, QtCore.Qt.DotLine)
# painter.setCompositionMode(QtGui.QPainter.RasterOp_SourceXorDestination)
painter.setPen(pen)
painter.setBrush(QtCore.Qt.NoBrush)
r = QtCore.QRectF(self.innerRect)
r.setLeft(r.left()-1)
r.setTop(r.top()-1)
r.setRight(r.right()+1)
r.setBottom(r.bottom()+1)
painter.drawRect(self.boundingRect())
def onLeft(self, pos):
return pos.x() <= self.innerRect.left() + 3
def onRight(self, pos):
return pos.x() >= self.innerRect.right() - 3
def onTop(self, pos):
return pos.y() <= self.innerRect.top() + 3
def onBottom(self, pos):
return pos.y() >= self.innerRect.bottom() - 3
def mousePressEvent(self, event):
p = event.pos()
self.resizeTop = self.resizeBottom = False
self.resizeLeft = self.resizeRight = False
self.moveStart = None
self.startRect = QtCore.QRectF(self.innerRect)
self.myEvent = False
if event.button() == QtCore.Qt.LeftButton:
# self.page.select(self)
if event.modifiers() != QtCore.Qt.ControlModifier:
self.resizeTop = self.onTop(p)
self.resizeBottom = self.onBottom(p)
self.resizeLeft = self.onLeft(p)
self.resizeRight = self.onRight(p)
if (not self.resizeTop and not self.resizeBottom
and not self.resizeLeft and not self.resizeRight):
if event.modifiers() == QtCore.Qt.ControlModifier:
self.moveStart = (self.innerRect.topLeft(), p)
self.myEvent = True
else:
QtGui.QGraphicsItem.mousePressEvent(self, event)
else:
self.myEvent = True
else:
QtGui.QGraphicsItem.mousePressEvent(self, event)
def mouseMoveEvent(self, event):
if self.myEvent:
p = event.pos()
self.prepareGeometryChange()
if self.resizeTop:
self.innerRect.setTop(p.y())
if self.resizeBottom:
self.innerRect.setBottom(p.y())
if self.resizeLeft:
self.innerRect.setLeft(p.x())
if self.resizeRight:
self.innerRect.setRight(p.x())
self.commandName = "Resize item"
if self.moveStart:
self.innerRect.moveTo(
self.moveStart[0].x() + p.x() - self.moveStart[1].x(),
self.moveStart[0].y() + p.y() - self.moveStart[1].y())
self.commandName = "Move item"
else:
QtGui.QGraphicsItem.mouseMoveEvent(self, event)
def mouseReleaseEvent(self, event):
if self.myEvent:
if self.innerRect != self.startRect:
GeometryCommand(
self, self.startRect,
QtCore.QRectF(self.innerRect), self.commandName)
else:
QtGui.QGraphicsItem.mouseReleaseEvent(self, event)
def hoverEnterEvent(self, event):
self.isHovering = True
self.update()
def hoverLeaveEvent(self, event):
self.isHovering = False
self.update()
def hoverMoveEvent(self, event):
p = event.pos()
if self.onLeft(p) and self.onTop(p):
self.setCursor(QtCore.Qt.SizeFDiagCursor)
elif self.onRight(p) and self.onBottom(p):
self.setCursor(QtCore.Qt.SizeFDiagCursor)
elif self.onRight(p) and self.onTop(p):
self.setCursor(QtCore.Qt.SizeBDiagCursor)
elif self.onLeft(p) and self.onBottom(p):
self.setCursor(QtCore.Qt.SizeBDiagCursor)
elif self.onLeft(p) or self.onRight(p):
self.setCursor(QtCore.Qt.SizeHorCursor)
elif self.onTop(p) or self.onBottom(p):
self.setCursor(QtCore.Qt.SizeVerCursor)
else:
self.setCursor(QtCore.Qt.OpenHandCursor)
class ImageItem(ItemBase):
def __init__(self, page):
ItemBase.__init__(self, page)
self.image = QtGui.QImage("/home/jakobt/tux2.png")
self.innerRect = QtCore.QRectF(
100, 100, self.image.width(), self.image.height())
def paint(self, painter, option, widget):
painter.setRenderHint(QtGui.QPainter.SmoothPixmapTransform, True)
painter.drawImage(self.innerRect, self.image,
QtCore.QRectF(
0, 0, self.image.width(), self.image.height()))
ItemBase.paint(self, painter, option, widget)
def getName(self):
return "Image"
def save(self, s):
s << self.image
s << self.innerRect
@staticmethod
def id():
return 1
class RectItem(ItemBase):
def __init__(self, page):
ItemBase.__init__(self, page)
self.innerRect = QtCore.QRectF(0, 0, 100, 100)
self.pen = QtGui.QPen(QtCore.Qt.black, 2)
self.brush = QtCore.Qt.blue
def paint(self, painter, option, widget):
painter.setPen(self.pen)
painter.setBrush(self.brush)
painter.drawRect(self.innerRect)
ItemBase.paint(self, painter, option, widget)
def getName(self):
return "Rect"
def save(self, stream):
stream << self.innerRect
@staticmethod
def id():
return 2
class TextItem(QtGui.QGraphicsTextItem):
def __init__(self, page, font=None):
QtGui.QGraphicsTextItem.__init__(self)
self.page = page
# self.isHovering=False
# self.setAcceptHoverEvents(True)
self.setFlag(QtGui.QGraphicsItem.ItemIsMovable, True)
self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, True)
self.setDefaultTextColor(QtCore.Qt.red)
document = QtGui.QTextDocument()
document.setDocumentMargin(0)
self.setDocument(document)
self.setPlainText("Hello")
if font:
self.setFont(font)
# self.setTextInteractionFlags(QtCore.Qt.TextEditorInteraction)
def save(self, s):
s << self.toHtml()
s << self.pos()
def load(self, s):
html = QtCore.QString()
s >> html
pos = QtCore.QPointF()
s >> pos
self.setPos(pos)
self.setHtml(html)
def getName(self):
return "Text"
@staticmethod
def id():
return 3
def selectAll(self):
c = self.textCursor()
c.beginEditBlock()
c.select(QtGui.QTextCursor.Document)
c.insertHtml("Boo")
setTextCursor(c)
def focusOutEvent(self, event):
self.setTextInteractionFlags(QtCore.Qt.NoTextInteraction)
c = self.textCursor()
c.clearSelection()
self.setTextCursor(c)
QtGui.QGraphicsTextItem.focusOutEvent(self, event)
def mouseDoubleClickEvent(self, event):
if self.textInteractionFlags() == QtCore.Qt.NoTextInteraction:
self.setTextInteractionFlags(QtCore.Qt.TextEditorInteraction)
QtGui.QGraphicsTextItem.mouseDoubleClickEvent(self, event)
class ObjectTreeModel(QtCore.QAbstractItemModel):
def __init__(self, project):
QtCore.QAbstractItemModel.__init__(self)
self.project = project
def columnCount(self, parent):
return 1
def rowCount(self, parent):
p = self.project
if parent.isValid():
p = parent.internalPointer()
if isinstance(p, Project):
return len(p.pages)
elif isinstance(p, Page):
return len(p.objects)
else:
return 0
def data(self, index, role):
if not index.isValid():
return None
if role != QtCore.Qt.DisplayRole:
return None
i = index.internalPointer()
if isinstance(i, Page):
return "Page %i" % (i.number + 1)
elif isinstance(i, ItemBase):
return i.getName()
return None
def parent(self, index):
if not index.isValid():
return None
p = index.internalPointer()
if isinstance(p, Page):
return self.createIndex(0, 0, p.project)
elif isinstance(p, ItemBase):
return self.createIndex(0, 0, p.page)
return QtCore.QModelIndex()
def index(self, row, column, parent):
p = self.project
if parent.isValid():
p = parent.internalPointer()
if row < 0:
return None
if isinstance(p, Project):
if row >= len(p.pages):
return None
return self.createIndex(row, column, p.pages[row])
elif isinstance(p, Page):
if row >= len(p.objects):
return None
return self.createIndex(row, column, p.objects[row])
else:
return None
class Page(QtCore.QObject):
def __init__(self, project, i):
QtCore.QObject.__init__(self)
self.number = i
self.objects = []
self.scene = QtGui.QGraphicsScene()
self.scene.setBackgroundBrush(QtCore.Qt.gray)
self.pageItem = PdfPageItem(project.document.page(i))
self.scene.addItem(self.pageItem)
self.project = project
self.selectedItem = None
def addText(self):
text = TextItem(self, self.myFont)
font_metrics = QtGui.QFontMetrics(text.font())
pos = a.view.mapToScene(a.view.mapFromGlobal(QtGui.QCursor.pos()))
text.setPos(
pos.x(),
pos.y() - font_metrics.ascent() - font_metrics.leading() - 1)
self.scene.addItem(text)
self.objects.append(text)
text.setSelected(True)
text.setTextInteractionFlags(QtCore.Qt.TextEditorInteraction)
selection = text.textCursor()
selection.select(QtGui.QTextCursor.Document)
text.setTextCursor(selection)
text.setFocus()
def save(self, stream):
stream.writeUInt32(len(self.objects))
for obj in self.objects:
stream.writeUInt32(obj.id())
obj.save(stream)
def load(self, stream):
count = stream.readUInt32()
for i in range(count):
d = stream.readUInt32()
for t in [ImageItem, RectItem, TextItem]:
if t.id() != d:
continue
item = t(self)
item.load(stream)
self.scene.addItem(item)
self.objects.append(item)
def deleteSelection(self):
for item in self.scene.selectedItems():
self.scene.removeItem(item)
self.objects.remove(item)
def itemSelected(self, item):
self.parent.itemSelected.emit(item)
def changeFont(self, font):
self.myFont = font
for item in self.scene.selectedItems():
if isinstance(item, TextItem):
item.setFont(font)
class Project(QtCore.QObject):
itemSelected = QtCore.pyqtSignal([QtGui.QGraphicsItem])
def __init__(self):
QtCore.QObject.__init__(self)
self.undoStack = QtGui.QUndoStack()
self.document = None
self.pages = []
self.treeModel = ObjectTreeModel(self)
self.path = None
def __loadPdf__(self, pdfData):
self.undoStack.clear()
self.pdfData = pdfData
self.document = popplerqt4.Poppler.Document.loadFromData(pdfData)
self.document.setRenderHint(
popplerqt4.Poppler.Document.Antialiasing, True)
self.document.setRenderHint(
popplerqt4.Poppler.Document.TextAntialiasing, True)
self.pages = [Page(self, i) for i in range(self.document.numPages())]
def create(self, path):
pdf = QtCore.QFile(path)
pdf.open(QtCore.QIODevice.ReadOnly)
pdfData = pdf.readAll()
self.__loadPdf__(pdfData)
self.path = QtCore.QString(os.path.splitext(str(path))[0]+".pep")
def save(self):
f = QtCore.QFile(self.path)
f.open(QtCore.QIODevice.WriteOnly)
stream = QtCore.QDataStream(f)
stream.writeUInt32(0x2a04c304)
stream.writeUInt32(0)
stream << QtCore.QString(self.path)
stream << self.pdfData
stream.writeUInt32(len(self.pages))
for page in self.pages:
page.save(stream)
def saveas(self, path):
self.path = QtCore.QString(path)
self.save()
def load(self, path):
f = QtCore.QFile(path)
f.open(QtCore.QIODevice.ReadOnly)
stream = QtCore.QDataStream(f)
if stream.readUInt32() != 0x2a04c304:
return None
version = stream.readUInt32()
if version > 0:
return None
self.path = QtCore.QString()
stream >> self.path
pdfData = QtCore.QByteArray()
stream >> pdfData
self.__loadPdf__(pdfData)
pages = stream.readUInt32()
for i in range(pages-len(self.pages)):
self.addPage()
for page in self.pages:
page.load(stream)
self.changeFont(self.font)
def addPage():
pass
def export(self, path):
printer = QtGui.QPrinter()
printer.setColorMode(QtGui.QPrinter.Color)
printer.setOutputFormat(QtGui.QPrinter.PdfFormat)
printer.setOutputFileName(path+"~1")
printer.setPageMargins(0, 0, 0, 0, QtGui.QPrinter.Point)
page = self.document.page(0)
printer.setPaperSize(page.pageSizeF(), QtGui.QPrinter.Point)
painter = QtGui.QPainter()
if not painter.begin(printer):
return
first = True
for page in self.pages:
if first:
first = False
else:
printer.newPage()
page.pageItem.hide()
bg = page.scene.backgroundBrush()
page.scene.setBackgroundBrush(QtGui.QBrush(QtCore.Qt.NoBrush))
page.scene.render(
painter, QtCore.QRectF(), page.pageItem.boundingRect())
page.scene.setBackgroundBrush(bg)
page.pageItem.show()
painter.end()
del painter
del printer
f = QtCore.QFile(path+"~2")
f.open(QtCore.QIODevice.WriteOnly)
f.write(self.pdfData)
f.close()
subprocess.call(
["pdftk", path+"~1",
"multibackground", path+"~2",
"output", path])
os.remove(path+"~1")
os.remove(path+"~2")
def changeFont(self, font):
self.font = font
for page in self.pages:
page.changeFont(font)
class MainWindow(QtGui.QMainWindow):
currentPageChanged = QtCore.pyqtSignal(Page)
def setCurrentPage(self, page):
if page == self.currentPage:
return
self.currentPage = page
self.currentPageChanged.emit(page)
self.treeView.clearSelection()
if page:
self.treeView.selectionModel().setCurrentIndex(
self.project.treeModel.createIndex(0, 0, page),
QtGui.QItemSelectionModel.ClearAndSelect)
def getCurrentPage(self):
return self.currentPage
def currentObjectChanged(self, current, previous):
p = current.internalPointer()
if isinstance(p, Page):
self.setCurrentPage(p)
elif isinstance(p, ItemBase):
self.setCurrentPage(p.page)
def __init__(self):
QtCore.QObject.__init__(self)
uic.loadUi(
os.path.join(os.path.dirname(os.path.realpath(__file__)),
"main.ui"),
self)
self.fontCombo = QtGui.QFontComboBox()
self.textToolBar.addWidget(self.fontCombo)
self.fontCombo.currentFontChanged.connect(self.handleFontChange)
self.fontSizeCombo = QtGui.QComboBox()
for i in range(8, 30, 2):
self.fontSizeCombo.addItem(QtCore.QString("%d" % i))
v = QtGui.QIntValidator(2, 64, self)
self.fontSizeCombo.setValidator(v)
self.textToolBar.addWidget(self.fontSizeCombo)
self.fontSizeCombo.currentIndexChanged.connect(self.handleFontChange)
# fontColorToolButton = new QToolButton;
# fontColorToolButton->setPopupMode(QToolButton::MenuButtonPopup);
# fontColorToolButton->setMenu(createColorMenu(SLOT(textColorChanged()),
# Qt::black));
# textAction = fontColorToolButton->menu()->defaultAction();
# fontColorToolButton->setIcon(createColorToolButtonIcon(
# ":/images/textpointer.png", Qt::black));
# fontColorToolButton->setAutoFillBackground(true);
# connect(fontColorToolButton, SIGNAL(clicked()),
# this, SLOT(textButtonTriggered()));
project = Project()
# view = PageView(None, main)
self.currentPage = None
# self.actionAddImage.triggered.connect(self.addImage)
self.actionAddText.triggered.connect(self.addText)
project.itemSelected.connect(self.itemSelected)
toolGroup = QtGui.QActionGroup(self)
toolGroup.addAction(self.actionSizeTool)
toolGroup.addAction(self.actionRectangleTool)
toolGroup.addAction(self.actionLineTool)
toolGroup.addAction(self.actionTextTool)
self.actionSizeTool.setChecked(True)
self.treeView.setModel(project.treeModel)
self.treeView.selectionModel().currentChanged.connect(
self.currentObjectChanged)
self.currentPageChanged.connect(self.view.currentPageChanged)
self.project = project
self.handleFontChange()
def doNewProject(self, path):
self.setCurrentPage(None)
self.project.create(path)
if self.project.pages:
self.setCurrentPage(self.project.pages[0])
self.handleFontChange()
def newProject(self):
path = QtGui.QFileDialog.getOpenFileName(
self, "Open PDF file", "", "PDF document (*.pdf);;All files (*)")
if path:
self.doNewProject(path)
def export(self):
a, e = os.path.splitext(str(self.project.path))
path = a+"_ann.pdf"
# path = QtGui.QFileDialog.getSaveFileName(
# self, "Export pdf", "", "Pdf Documents (*.pdf);;All files (*)")
if path:
self.project.export(path)
def saveas(self):
path = QtGui.QFileDialog.getSaveFileName(
self, "Save Project",
self.project.path if self.project.path else "",
"Pro Documents (*.pro);;All files (*)")
if path:
self.project.saveas(path)
def doLoad(self, path):
self.setCurrentPage(None)
self.project.load(path)
if self.project.pages:
self.setCurrentPage(self.project.pages[0])
def load(self):
path = QtGui.QFileDialog.getOpenFileName(
self, "Open Project",
self.project.path if self.project.path else "",
"Pro Documents (*.pro);;All files (*)")
if path:
self.doLoad(path)
def save(self):
if not self.project.path:
self.saveas()
else:
self.project.save()
def addImage(self):
path = QtGui.QFileDialog.getOpenFileName(
self, "Add image", "",
"Image Formats (*.bmp *.jgp *.jpeg *.mng *.png *.pbm *.ppm "
"*.tiff);;All files(*)")
if path:
pass
def addText(self):
self.currentPage.addText()
def deleteSelection(self):
self.currentPage.deleteSelection()
def exportSaveAndQuit(self):
self.save()
self.export()
self.close()
def handleFontChange(self, *_):
font = self.fontCombo.currentFont()
font.setPointSize(self.fontSizeCombo.currentText().toInt()[0])
font.setWeight(QtGui.QFont.Bold
if self.actionBold.isChecked()
else QtGui.QFont.Normal)
font.setItalic(self.actionItalic.isChecked())
font.setUnderline(self.actionUnderline.isChecked())
self.project.changeFont(font)
def itemSelected(item):
font = item.font()
color = item.defaultTextColor()
self.fontCombo.setCurrentFont(font)
self.fontSizeCombo.setEditText(
QtCore.QString().setNum(font.pointSize()))
self.boldAction.setChecked(font.weight() == QtGui.QFont.Bold)
self.italicAction.setChecked(font.italic())
self.underlineAction.setChecked(font.underline())
def main():
global a
app = QtGui.QApplication(sys.argv)
a = MainWindow()
a.show()
if len(app.arguments()) > 1:
pep = os.path.splitext(str(app.arguments()[1]))[0]+".pep"
if os.path.exists(pep):
a.doLoad(pep)
else:
a.doNewProject(app.arguments()[1])
sys.exit(app.exec_())
if __name__ == '__main__':
main()