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PhotosViewer.py
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PhotosViewer.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
ImportPhotos
A QGIS plugin
Import photos jpegs
-------------------
begin : 2018-08-27
git sha : $Format:%H$
copyright : (C) 2018 by KIOS Research Center
email : mariosmsk@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. *
* *
***************************************************************************/
"""
from PyQt5.QtWidgets import (QGraphicsView, QGraphicsScene, QVBoxLayout, QHBoxLayout, QWidget, \
QLineEdit, QLabel, QSizePolicy, QPushButton, QFrame)
from PyQt5.QtCore import (Qt, pyqtSignal, QRectF, QRect, QSize)
from PyQt5.QtGui import (QPainterPath, QIcon, QPixmap, QImage)
import os.path
class PhotosViewer(QGraphicsView):
afterLeftClick = pyqtSignal(float, float)
afterLeftClickReleased = pyqtSignal(float, float)
afterDoubleClick = pyqtSignal(float, float)
keyPressed = pyqtSignal(int)
def __init__(self, selfwindow):
QGraphicsView.__init__(self)
self.selfwindow = selfwindow
self.panSelect = False
self.zoomSelect = False
self.rotate_value = 0
self.rotate_azimuth_value = 0
self.zoom_data = []
size = 36
self.scene = QGraphicsScene()
if len(self.selfwindow.allpictures) > 1:
self.leftClick = QPushButton(self)
self.leftClick.setIcon(QIcon(self.selfwindow.path+'//svg//arrowLeft.png'))
self.leftClick.clicked.connect(self.selfwindow.leftClickButton)
self.leftClick.setToolTip('Show previous photo')
self.leftClick.setStyleSheet("QPushButton{background: transparent;}")
self.leftClick.setIconSize(QSize(size, size))
self.leftClick.setFocusPolicy(Qt.NoFocus)
self.rightClick = QPushButton(self)
self.rightClick.setIcon(QIcon(self.selfwindow.path+'//svg//arrowRight.png'))
self.rightClick.clicked.connect(self.selfwindow.rightClickButton)
self.rightClick.setToolTip('Show next photo')
self.rightClick.setStyleSheet("QPushButton{background: transparent;}")
self.rightClick.setIconSize(QSize(size, size))
self.rightClick.setFocusPolicy(Qt.NoFocus)
self.setScene(self.scene)
self.setMouseTracking(False)
self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.setDragMode(QGraphicsView.NoDrag)
def mousePressEvent(self, event):
sc_pos = self.mapToScene(event.pos())
if self.panSelect:
self.setDragMode(QGraphicsView.ScrollHandDrag)
if self.zoomSelect:
self.setDragMode(QGraphicsView.RubberBandDrag)
self.afterLeftClick.emit(sc_pos.x(), sc_pos.y())
QGraphicsView.mousePressEvent(self, event)
def mouseDoubleClickEvent(self, event):
sc_pos = self.mapToScene(event.pos())
if self.zoomSelect or self.panSelect:
self.zoom_data = []
self.fitInView(self.sceneRect(), Qt.KeepAspectRatio)
self.afterDoubleClick.emit(sc_pos.x(), sc_pos.y())
QGraphicsView.mouseDoubleClickEvent(self, event)
def mouseReleaseEvent(self, event):
QGraphicsView.mouseReleaseEvent(self, event)
sc_pos = self.mapToScene(event.pos())
if self.zoomSelect:
view_bb = self.sceneRect()
if self.zoom_data:
view_bb = self.zoom_data
selection_bb = self.scene.selectionArea().boundingRect().intersected(view_bb)
self.scene.setSelectionArea(QPainterPath())
if selection_bb.isValid() and (selection_bb != view_bb):
self.zoom_data = selection_bb
self.fitInView(self.zoom_data, Qt.KeepAspectRatio)
self.setDragMode(QGraphicsView.NoDrag)
self.afterLeftClickReleased.emit(sc_pos.x(), sc_pos.y())
def resizeEvent(self, event):
self.fitInView(self.scene.sceneRect(), Qt.KeepAspectRatio)
if len(self.selfwindow.allpictures) > 1:
loc = self.viewport().geometry()
self.left_newloc = list(loc.getRect())
self.left_newloc[0] = self.left_newloc[0] # x
self.left_newloc[1] = self.left_newloc[3]/2.4 # y
self.left_newloc[2] = self.left_newloc[2]/5 # width
self.left_newloc[3] = self.left_newloc[3]/5 # height
self.leftClick.setGeometry(QRect(self.left_newloc[0], self.left_newloc[1], self.left_newloc[2], self.left_newloc[3]))
newloc = list(loc.getRect())
newloc[0] = newloc[2] - newloc[2]/5 # x
newloc[1] = newloc[3]/2.4 # y
newloc[2] = newloc[2]/5 # width
newloc[3] = newloc[3]/5 # height
self.rightClick.setGeometry(QRect(newloc[0], newloc[1], newloc[2], newloc[3]))
# Fix rotate for the next photo
self.rotate(-self.rotate_value)
self.rotate_value = 0
# Fix azimuth rotate for the next photo
if self.rotate_azimuth_value > 0:
self.rotate(-self.rotate_azimuth_value)
self.rotate_azimuth_value = 0
def keyPressEvent(self, e):
if e.key() == Qt.Key_Right:
self.selfwindow.drawSelf.featureIndex = self.selfwindow.drawSelf.featureIndex+1
if self.selfwindow.drawSelf.featureIndex > len(self.selfwindow.allpictures)-1:
self.selfwindow.drawSelf.featureIndex = 0
self.selfwindow.updateWindow()
if e.key() == Qt.Key_Left:
self.selfwindow.drawSelf.featureIndex = self.selfwindow.drawSelf.featureIndex - 1
if self.selfwindow.drawSelf.featureIndex < 0:
self.selfwindow.drawSelf.featureIndex = len(self.selfwindow.allpictures)-1
self.selfwindow.updateWindow()
if e.key() == Qt.Key_Escape:
if self.selfwindow.isFullScreen():
self.selfwindow.showMaximized()
return
if e.key() == Qt.Key_F11:
if self.selfwindow.isFullScreen():
self.selfwindow.showMaximized()
else:
self.selfwindow.showFullScreen()
if e.key() == Qt.Key_Escape:
self.selfwindow.close()
class PhotoWindow(QWidget):
def __init__(self, drawSelf):
super(PhotoWindow, self).__init__()
self.drawSelf = drawSelf
self.path = os.path.abspath(os.path.join(os.path.dirname(__file__)))
## Update for photo
self.allpictures = []
self.allpicturesdates = []
self.allpicturestimes = []
self.allpicturesImpath= []
self.allpicturesAzimuth=[]
for i, f in enumerate(self.drawSelf.layerActive.getFeatures()):
if 'PATH' in self.drawSelf.fields:
imPath = f.attributes()[f.fieldNameIndex('Path')]
elif 'PHOTO' in self.drawSelf.fields :
imPath = f.attributes()[f.fieldNameIndex('photo')]
else:
imPath = ''
try:
dateTrue = str(f.attributes()[f.fieldNameIndex('Date')].toString('yyyy-MM-dd'))
except:
dateTrue = str(f.attributes()[f.fieldNameIndex('Date')])
try:
timeTrue = str(f.attributes()[f.fieldNameIndex('Time')].toString('hh:mm:ss'))
except:
timeTrue = str(f.attributes()[f.fieldNameIndex('Time')])
azimuth = f.attributes()[f.fieldNameIndex('Azimuth')]
self.allpictures.append(f.attributes()[f.fieldNameIndex('Name')])
self.allpicturesdates.append(dateTrue)
self.allpicturestimes.append(timeTrue)
self.allpicturesImpath.append(imPath)
self.allpicturesAzimuth.append(azimuth)
self.viewer = PhotosViewer(self)
######################################################################################
self.setWindowTitle('Photo')
#self.setWindowFlags(Qt.WindowStaysOnTopHint)
self.setWindowIcon(QIcon(self.path + "//icon.png"))
self.infoPhoto1 = QLabel(self)
sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Minimum)
self.infoPhoto1.setSizePolicy(sizePolicy)
self.infoPhoto1.setFrameShape(QFrame.Box)
self.infoPhoto2 = QLabel(self)
self.infoPhoto2.setSizePolicy(sizePolicy)
self.infoPhoto2.setFrameShape(QFrame.Box)
self.infoPhoto3 = QLabel(self)
self.infoPhoto3.setSizePolicy(sizePolicy)
self.infoPhoto3.setFrameShape(QFrame.Box)
self.extent = QPushButton(self)
self.extent.setSizePolicy(sizePolicy)
self.extent.setIcon(QIcon(self.path + '//svg//mActionZoomFullExtent.svg'))
self.extent.clicked.connect(self.extentbutton)
self.zoom = QPushButton(self)
self.zoom.setSizePolicy(sizePolicy)
self.zoom.setIcon(QIcon(self.path + '//svg//method-draw-image.svg'))
self.zoom.clicked.connect(self.zoombutton)
self.pan = QPushButton(self)
self.pan.setSizePolicy(sizePolicy)
self.pan.setIcon(QIcon(self.path + '//svg//mActionPan.svg'))
self.pan.clicked.connect(self.panbutton)
self.zoom_to_select = QPushButton(self)
self.zoom_to_select.setSizePolicy(sizePolicy)
self.zoom_to_select.setIcon(QIcon(self.path + '//svg//mActionZoomToSelected.svg'))
self.zoom_to_select.clicked.connect(self.zoom_to_selectbutton)
self.rotate_option = QPushButton(self)
self.rotate_option.setSizePolicy(sizePolicy)
self.rotate_option.setIcon(QIcon(self.path + '//svg//rotate.png'))
self.rotate_option.clicked.connect(self.rotatebutton)
self.rotate_azimuth = QPushButton(self)
self.rotate_azimuth.setSizePolicy(sizePolicy)
self.rotate_azimuth.setIcon(QIcon(self.path + '//svg//tonorth.png'))
self.rotate_azimuth.clicked.connect(self.rotate_azimuthbutton)
self.hide_arrow = QPushButton(self)
self.hide_arrow.setSizePolicy(sizePolicy)
self.hide_arrow.setIcon(QIcon(self.path + '//svg//arrowRight.png'))
self.hide_arrow.clicked.connect(self.hide_arrow_button)
if len(self.allpictures) > 1:
self.hide_arrow.setEnabled(True)
else:
self.hide_arrow.setEnabled(False)
# Add tips on buttons
self.extent.setToolTip('Extent photo')
self.zoom.setToolTip('Select area to zoom')
self.pan.setToolTip('Pan')
self.zoom_to_select.setToolTip('Zoom to selected photo')
self.rotate_option.setToolTip('Rotate 45°')
self.rotate_azimuth.setToolTip('Rotate to azimuth')
self.hide_arrow.setToolTip('Hide arrows')
# Arrange layout
VBlayout = QVBoxLayout(self)
HBlayout = QHBoxLayout()
HBlayout2 = QHBoxLayout()
HBlayout2.addWidget(self.viewer)
HBlayout.setAlignment(Qt.AlignCenter)
HBlayout.addWidget(self.infoPhoto1)
HBlayout.addWidget(self.infoPhoto2)
HBlayout.addWidget(self.infoPhoto3)
HBlayout.addWidget(self.extent)
HBlayout.addWidget(self.zoom)
HBlayout.addWidget(self.pan)
HBlayout.addWidget(self.rotate_option)
HBlayout.addWidget(self.rotate_azimuth)
HBlayout.addWidget(self.zoom_to_select)
HBlayout.addWidget(self.hide_arrow)
VBlayout.addLayout(HBlayout2)
VBlayout.addLayout(HBlayout)
def hide_arrow_button(self):
if self.viewer.leftClick.icon().isNull():
self.viewer.leftClick.setIcon(QIcon(self.path+'//svg//arrowLeft.png'))
self.viewer.rightClick.setIcon(QIcon(self.path+'//svg//arrowRight.png'))
self.hide_arrow.setIcon(QIcon(self.path + '//svg//arrowRight.png'))
self.hide_arrow.setToolTip('Hide arrows')
else:
self.viewer.leftClick.setIcon(QIcon(''))
self.viewer.rightClick.setIcon(QIcon(''))
self.hide_arrow.setToolTip('Show arrows')
self.hide_arrow.setIcon(QIcon(self.path + '//svg//arrowRight.png'))
def leftClickButton(self):
self.drawSelf.featureIndex = self.drawSelf.featureIndex - 1
if self.drawSelf.featureIndex < 0:
self.drawSelf.featureIndex = len(self.allpictures) - 1
self.updateWindow()
def rightClickButton(self):
self.drawSelf.featureIndex = self.drawSelf.featureIndex + 1
if self.drawSelf.featureIndex > len(self.allpictures) - 1:
self.drawSelf.featureIndex = 0
self.updateWindow()
def updateWindow(self):
imPath = self.allpicturesImpath[self.drawSelf.featureIndex]
try:
if os.path.exists(imPath) == False:
c = self.drawSelf.noImageFound()
imPath = ''
except:
c = self.drawSelf.noImageFound()
imPath = ''
self.viewer.scene.clear()
pixmap = QPixmap.fromImage(QImage(imPath))
self.viewer.scene.addPixmap(pixmap)
self.viewer.setSceneRect(QRectF(pixmap.rect()))
self.drawSelf.layerActive.selectByIds([self.drawSelf.featureIndex])
self.viewer.resizeEvent([])
self.extentbutton()
self.infoPhoto1.setText(
'Date: ' + self.allpicturesdates[self.drawSelf.featureIndex])
self.infoPhoto2.setText(
'Time: ' + self.allpicturestimes[self.drawSelf.featureIndex][0:8])
self.infoPhoto3.setText('Layer: ' + self.drawSelf.layerActiveName)
azimuth = self.allpicturesAzimuth[self.drawSelf.featureIndex]
if type(azimuth) is str:
try:
azimuth = float(azimuth)
except:
pass
if type(azimuth) is float:
if azimuth > 0:
self.rotate_azimuth.setEnabled(True)
return
self.rotate_azimuth.setEnabled(False)
def rotatebutton(self):
self.viewer.rotate(90)
self.viewer.rotate_value = self.viewer.rotate_value + 90
if self.viewer.rotate_value == 360:
self.viewer.rotate_value = 0
def rotate_azimuthbutton(self):
if self.viewer.rotate_azimuth_value == 0:
azimuth = self.allpicturesAzimuth[self.drawSelf.featureIndex]
if type(azimuth) is str:
azimuth = float(azimuth)
self.viewer.rotate(azimuth)
self.viewer.rotate_azimuth_value = azimuth
return
if self.viewer.rotate_azimuth_value > 0:
self.viewer.rotate(-self.viewer.rotate_azimuth_value)
self.viewer.rotate_azimuth_value = 0
def zoom_to_selectbutton(self):
self.drawSelf.iface.actionZoomToSelected().trigger()
def panbutton(self):
self.viewer.panSelect = True
self.viewer.zoomSelect = False
self.viewer.setCursor(Qt.OpenHandCursor)
self.viewer.setDragMode(QGraphicsView.ScrollHandDrag)
def zoombutton(self):
self.viewer.panSelect = False
self.viewer.zoomSelect = True
self.viewer.setCursor(Qt.CrossCursor)
self.viewer.setDragMode(QGraphicsView.RubberBandDrag)
def extentbutton(self):
self.viewer.zoom_data = []
self.viewer.fitInView(self.viewer.sceneRect(), Qt.KeepAspectRatio)
self.viewer.panSelect = False
self.viewer.zoomSelect = False
self.viewer.setCursor(Qt.ArrowCursor)
self.viewer.setDragMode(QGraphicsView.NoDrag)