title text is now a component

plus numerous bugs removed and added

1 files changed, 116 insertions, 44 deletions

diff --git a/components/text.py b/components/text.py
index 68b02fe..814e13f 100644
--- a/components/text.py
+++ b/components/text.py
@@ -1,59 +1,131 @@
 ''' Title Text '''
-import numpy
 from PIL import Image, ImageDraw
-from PyQt4 import uic
-import os
+from PyQt4.QtGui import QPainter, QColor, QFont
+from PyQt4 import uic, QtGui, QtCore
+from PIL.ImageQt import ImageQt
+import os, io
 
 
 class Component:
-    def widget(self,parent):
+    def __str__(self):
+        return __doc__
+        
+    def widget(self, parent):
+        height = int(parent.settings.value('outputHeight'))
+        width = int(parent.settings.value('outputWidth'))
+        self.parent = parent
+        self.textColor = (255,255,255)
+        self.title = 'Text'
+        self.titleFont = None
+        self.alignment = 1
+        self.fontSize = height / 16
+        self.xPosition = width / 2
+        self.yPosition = height / 2
+        
         page = uic.loadUi(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'text.ui'))
+        page.comboBox_textAlign.addItem("Left")
+        page.comboBox_textAlign.addItem("Middle")
+        page.comboBox_textAlign.addItem("Right")
+        page.comboBox_textAlign.setCurrentIndex(1)
+
+        page.spinBox_fontSize.setValue(int(int(parent.settings.value("outputHeight")) / 14 ))
+        page.spinBox_xTextAlign.setValue(int(int(parent.settings.value('outputWidth'))/2))
+        page.spinBox_yTextAlign.setValue(int(int(parent.settings.value('outputHeight'))/2))
+
+        page.lineEdit_textColor.setText('%s,%s,%s' % self.textColor)
+        page.pushButton_textColor.clicked.connect(lambda: self.pickColor())
+        btnStyle = "QPushButton { background-color : %s; outline: none; }" % QColor(*self.textColor).name()
+        page.pushButton_textColor.setStyleSheet(btnStyle)
+
+        page.lineEdit_title.setText(self.title)
+        if not self.titleFont == None: 
+          page.fontComboBox_titleFont.setCurrentFont(QFont(self.titleFont))
+        page.comboBox_textAlign.setCurrentIndex(int(self.alignment))
+        page.spinBox_fontSize.setValue(int(self.fontSize))
+        page.spinBox_xTextAlign.setValue(int(self.xPosition))
+        page.spinBox_yTextAlign.setValue(int(self.yPosition))
+
+        page.fontComboBox_titleFont.currentFontChanged.connect(self.update)
+        page.lineEdit_title.textChanged.connect(self.update)
+        page.comboBox_textAlign.currentIndexChanged.connect(self.update)
+        page.spinBox_xTextAlign.valueChanged.connect(self.update)
+        page.spinBox_yTextAlign.valueChanged.connect(self.update)
+        page.spinBox_fontSize.valueChanged.connect(self.update)
+        page.lineEdit_textColor.textChanged.connect(self.update)
+        self.page = page
         return page
-    def previewRender(self, previewWorker, widget):
+
+    def update(self):
+        self.title = self.page.lineEdit_title.text()
+        self.alignment = self.page.comboBox_textAlign.currentIndex()
+        self.titleFont = self.page.fontComboBox_titleFont.currentFont()
+        self.fontSize = self.page.spinBox_fontSize.value()
+        self.xPosition = self.page.spinBox_xTextAlign.value()
+        self.yPosition = self.page.spinBox_yTextAlign.value()
+        self.textColor = RGBFromString(self.page.lineEdit_textColor.text())
+        self.parent.drawPreview()
+        
+    def previewRender(self, previewWorker):
         width = int(previewWorker.core.settings.value('outputWidth'))
         height = int(previewWorker.core.settings.value('outputHeight'))
-        im = Image.new("RGBA", (width, height),(0,0,0,0))
-
-        return im
+        return self.addText(width, height)
 
     def preFrameRender(self, **kwargs):
-        pass
+        for kwarg, value in kwargs.items():
+            exec('self.%s = value' % kwarg)
+        
     def frameRender(self, moduleNo, frameNo):
-        width = int(previewWorker.core.settings.value('outputWidth'))
-        height = int(previewWorker.core.settings.value('outputHeight'))
+        width = int(self.worker.core.settings.value('outputWidth'))
+        height = int(self.worker.core.settings.value('outputHeight'))
+        return self.addText(width, height)
+
+    def addText(self, width, height):
         im = Image.new("RGBA", (width, height),(0,0,0,0))
+        image = ImageQt(im)
+   
+        image1 = QtGui.QImage(image)
+        painter = QPainter(image1)
+        self.titleFont.setPixelSize(self.fontSize)
+        painter.setFont(self.titleFont)
+        painter.setPen(QColor(*self.textColor))
 
-        return im
+        fm = QtGui.QFontMetrics(self.titleFont)
+        if self.alignment == 0:      #Left
+           self.xPosition = self.xPosition
+        if self.alignment == 1:      #Middle
+           self.xPosition = self.xPosition - fm.width(self.title)/2
+        if self.alignment == 2:      #Right
+           self.xPosition = self.xPosition - fm.width(self.title)
+        painter.drawText(self.xPosition, self.yPosition, self.title)
+        painter.end()
 
-    '''
-      self._image = ImageQt(im)
-   
-    self._image1 = QtGui.QImage(self._image)
-    painter = QPainter(self._image1)
-    font = titleFont
-    font.setPixelSize(fontSize)
-    painter.setFont(font)
-    painter.setPen(QColor(*textColor))
-
-    yPosition = yOffset
-
-    fm = QtGui.QFontMetrics(font)
-    if alignment == 0:      #Left
-       xPosition = xOffset
-    if alignment == 1:      #Middle
-       xPosition = xOffset - fm.width(titleText)/2
-    if alignment == 2:      #Right
-       xPosition = xOffset - fm.width(titleText)
-    painter.drawText(xPosition, yPosition, titleText)
-    painter.end()
-
-    buffer = QtCore.QBuffer()
-    buffer.open(QtCore.QIODevice.ReadWrite)
-    self._image1.save(buffer, "PNG")
-
-    strio = io.BytesIO()
-    strio.write(buffer.data())
-    buffer.close()
-    strio.seek(0)
-    return Image.open(strio)
-    '''
+        buffer = QtCore.QBuffer()
+        buffer.open(QtCore.QIODevice.ReadWrite)
+        image1.save(buffer, "PNG")
+
+        strio = io.BytesIO()
+        strio.write(buffer.data())
+        buffer.close()
+        strio.seek(0)
+        return Image.open(strio)
+
+    def pickColor(self):
+        color = QtGui.QColorDialog.getColor()
+        if color.isValid():
+           RGBstring = '%s,%s,%s' % (str(color.red()), str(color.green()), str(color.blue()))
+           btnStyle = "QPushButton { background-color : %s; outline: none; }" % color.name()
+           self.page.lineEdit_textColor.setText(RGBstring)
+           self.page.pushButton_textColor.setStyleSheet(btnStyle)
+
+def RGBFromString(string):
+   ''' turns an RGB string like "255, 255, 255" into a tuple '''
+   try:
+     tup = tuple([int(i) for i in string.split(',')])
+     if len(tup) != 3:
+        raise ValueError
+     for i in tup:
+        if i > 255 or i < 0:
+           raise ValueError
+     return tup
+   except:
+     return (255, 255, 255)