histogram.BufferedWindow Class Reference

A Buffered window class. More...

Inheritance diagram for histogram.BufferedWindow:

Collaboration diagram for histogram.BufferedWindow:

Public Member Functions
def	__init__
def	Draw
	Draws histogram or clears window. More...
def	OnPaint
	Draw psuedo DC to buffer. More...
def	OnSize
	Init image size to match window size. More...
def	OnIdle
	Only re-render a histogram image from GRASS during idle time instead of multiple times during resizing. More...
def	SaveToFile
	This will save the contents of the buffer to the specified file. More...
def	GetImage
	Converts files to wx.Image. More...
def	UpdateHist
	Update canvas if histogram options changes or window changes geometry. More...
def	EraseMap
	Erase the map display. More...

Data Fields
	parent
	Map
	mapname
	render
	resize
	dragimg
	pen
	mapfile
	img
	imagedict
	pdc

Detailed Description

A Buffered window class.

When the drawing needs to change, you app needs to call the UpdateHist() method. Since the drawing is stored in a bitmap, you can also save the drawing to file by calling the SaveToFile(self,file_name,file_type) method.

Definition at line 35 of file histogram.py.

Constructor & Destructor Documentation

def histogram.BufferedWindow.__init__	(		self,
			parent,
			id = wx.ID_ANY,
			style = wx.NO_FULL_REPAINT_ON_RESIZE,
			Map = None,
			kwargs
	)

Definition at line 45 of file histogram.py.

Member Function Documentation

def histogram.BufferedWindow.Draw	(		self,
			pdc,
			img = None,
			drawid = None,
			pdctype = 'image',
			coords = [0
	)

Draws histogram or clears window.

Definition at line 85 of file histogram.py.

Referenced by frame.PsMapBufferedWindow.DrawGraphics(), histogram.BufferedWindow.EraseMap(), frame.PsMapBufferedWindow.OnDragging(), frame.PsMapBufferedWindow.OnLeftUp(), tools.PositionWindow.OnMouse(), tools.PositionWindow.PostDraw(), tools.LightPositionWindow.PostDraw(), histogram.BufferedWindow.SaveToFile(), wxnviz.Nviz.SaveToFile(), histogram.BufferedWindow.UpdateHist(), and frame.PsMapBufferedWindow.Zoom().

def histogram.BufferedWindow.EraseMap

(

self

)

Erase the map display.

Definition at line 258 of file histogram.py.

References histogram.BufferedWindow.Draw(), mapwindow.BufferedWindow.Draw(), colorrules.BufferedWindow.Draw(), histogram.BufferedWindow.pdc, mapwindow.BufferedWindow.pdc, and colorrules.BufferedWindow.pdc.

def histogram.BufferedWindow.GetImage

(

self

)

Converts files to wx.Image.

Definition at line 195 of file histogram.py.

References histogram.BufferedWindow.imagedict, and mapwindow.BufferedWindow.imagedict.

Referenced by histogram.BufferedWindow.OnSize(), histogram.BufferedWindow.SaveToFile(), and histogram.BufferedWindow.UpdateHist().

def histogram.BufferedWindow.OnIdle	(		self,
			event
	)

Only re-render a histogram image from GRASS during idle time instead of multiple times during resizing.

Definition at line 163 of file histogram.py.

References histogram.BufferedWindow.render, colorrules.BufferedWindow.render, manager.GCPList.render, mapwindow.BufferedWindow.resize, histogram.BufferedWindow.resize, colorrules.BufferedWindow.resize, and histogram.BufferedWindow.UpdateHist().

def histogram.BufferedWindow.OnPaint	(		self,
			event
	)

Draw psuedo DC to buffer.

Definition at line 121 of file histogram.py.

References histogram.BufferedWindow._buffer, and mapwindow.BufferedWindow._buffer.

def histogram.BufferedWindow.OnSize	(		self,
			event
	)

Init image size to match window size.

Definition at line 140 of file histogram.py.

References histogram.BufferedWindow._buffer, mapwindow.BufferedWindow._buffer, histogram.BufferedWindow.GetImage(), mapwindow.BufferedWindow.GetImage(), colorrules.BufferedWindow.GetImage(), histogram.BufferedWindow.img, mapwindow.BufferedWindow.img, dialogs.RegionDef.img, colorrules.BufferedWindow.img, histogram.BufferedWindow.render, colorrules.BufferedWindow.render, manager.GCPList.render, mapwindow.BufferedWindow.resize, histogram.BufferedWindow.resize, colorrules.BufferedWindow.resize, and histogram.BufferedWindow.UpdateHist().

def histogram.BufferedWindow.SaveToFile	(		self,
			FileName,
			FileType,
			width,
			height
	)

This will save the contents of the buffer to the specified file.

See the wx.Windows docs for wx.Bitmap::SaveFile for the details

Definition at line 172 of file histogram.py.

References histogram.BufferedWindow.Draw(), mapwindow.BufferedWindow.Draw(), colorrules.BufferedWindow.Draw(), histogram.BufferedWindow.GetImage(), mapwindow.BufferedWindow.GetImage(), colorrules.BufferedWindow.GetImage(), max, histogram.BufferedWindow.pdc, mapwindow.BufferedWindow.pdc, and colorrules.BufferedWindow.pdc.

def histogram.BufferedWindow.UpdateHist	(		self,
			img = None
	)

Update canvas if histogram options changes or window changes geometry.

Definition at line 207 of file histogram.py.

References histogram.BufferedWindow.Draw(), mapwindow.BufferedWindow.Draw(), colorrules.BufferedWindow.Draw(), histogram.BufferedWindow.GetImage(), mapwindow.BufferedWindow.GetImage(), colorrules.BufferedWindow.GetImage(), histogram.BufferedWindow.imagedict, mapwindow.BufferedWindow.imagedict, histogram.BufferedWindow.img, mapwindow.BufferedWindow.img, dialogs.RegionDef.img, colorrules.BufferedWindow.img, histogram.BufferedWindow.mapfile, mapwindow.BufferedWindow.mapfile, render.Layer.mapfile, render.Map.mapfile, colorrules.BufferedWindow.mapfile, histogram.BufferedWindow.pdc, mapwindow.BufferedWindow.pdc, colorrules.BufferedWindow.pdc, histogram.BufferedWindow.render, colorrules.BufferedWindow.render, manager.GCPList.render, mapwindow.BufferedWindow.resize, histogram.BufferedWindow.resize, and colorrules.BufferedWindow.resize.

Referenced by histogram.BufferedWindow.OnIdle(), and histogram.BufferedWindow.OnSize().

Field Documentation

histogram.BufferedWindow.dragimg

Definition at line 58 of file histogram.py.

histogram.BufferedWindow.imagedict

Definition at line 74 of file histogram.py.

Referenced by histogram.BufferedWindow.GetImage(), and histogram.BufferedWindow.UpdateHist().

histogram.BufferedWindow.img

Definition at line 72 of file histogram.py.

Referenced by histogram.BufferedWindow.OnSize(), and histogram.BufferedWindow.UpdateHist().

histogram.BufferedWindow.Map

Definition at line 50 of file histogram.py.

Referenced by frame.MapFrame.AddNviz(), frame.MapFrame.AddToolbar(), and frame.MapFrame.GetMapWindow().

histogram.BufferedWindow.mapfile

Definition at line 71 of file histogram.py.

Referenced by histogram.BufferedWindow.UpdateHist().

histogram.BufferedWindow.mapname

Definition at line 51 of file histogram.py.

Referenced by histogram.HistogramFrame.OnOptions(), and histogram.HistogramFrame.SetHistLayer().

histogram.BufferedWindow.parent

Definition at line 49 of file histogram.py.

Referenced by wxdigit.VDigitError.Database(), wxdigit.VDigitError.DbExecute(), wxdigit.VDigitError.DbLink(), wxdigit.VDigitError.DeadLine(), wxdigit.VDigitError.Driver(), wxdigit.VDigitError.FeatureType(), wxdigit.VDigitError.NoMap(), frame.PsMapBufferedWindow.OnLeftUp(), wxdigit.VDigitError.ReadLine(), and wxdigit.VDigitError.WriteLine().

histogram.BufferedWindow.pdc

Definition at line 76 of file histogram.py.

Referenced by histogram.BufferedWindow.EraseMap(), histogram.BufferedWindow.SaveToFile(), and histogram.BufferedWindow.UpdateHist().

histogram.BufferedWindow.pen

Definition at line 59 of file histogram.py.

Referenced by frame.PsMapBufferedWindow.OnDragging(), frame.PsMapBufferedWindow.OnLeftUp(), and frame.PsMapBufferedWindow.Zoom().

histogram.BufferedWindow.render

Definition at line 56 of file histogram.py.

Referenced by mapwindow.GLWindow.DragItem(), mapwindow.GLWindow.FocusPanning(), mapwindow.GLWindow.GoTo(), mapwindow.GLWindow.HorizontalPanning(), mapwindow.GLWindow.OnDragging(), histogram.BufferedWindow.OnIdle(), mapwindow.GLWindow.OnKeyDown(), mapwindow.GLWindow.OnLeftUp(), mapwindow.GLWindow.OnPaint(), histogram.BufferedWindow.OnSize(), mapwindow.GLWindow.OnTimerFly(), and histogram.BufferedWindow.UpdateHist().

histogram.BufferedWindow.resize

Definition at line 57 of file histogram.py.

Referenced by histogram.BufferedWindow.OnIdle(), histogram.BufferedWindow.OnSize(), and histogram.BufferedWindow.UpdateHist().

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The documentation for this class was generated from the following file:

• histogram.py