WorldViz User Forum - wxImage to Texture

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- - wxImage to Texture (https://forum.worldviz.com/showthread.php?t=1960)

wxImage to Texture

Hi,

I'm using wxPython to get a screenshot from a hidden window how it is described here.

Now I want to use the screenshot image as a texture on a Vizard object (e.g. a plane) without writing it to the harddisk and read it again with viz.addTexture() because this would be slow for repetitive image generation with short time intervals.

Is there a way to load the wxImage direct to a texture? Maybe using viz.addTextureFromBuffer() in some kind?

Yes, you can copy the image data directly into an existing Vizard texture using the texture.setImageData() command. Here is a sample script:

Code:

import viz

import wx

viz.go()



def WXIMAGE_TO_TEXTURE(image,texture):

        """Convert wxImage object to Vizard texture"""

        img = image.Mirror(False)

        tex.setImageData(img.GetData(),[img.GetWidth(),img.GetHeight()])



#Create wxImage from a bitmap

app = wx.PySimpleApp()

img = wx.Image('image.bmp')



#Create blank Vizard texture

tex = viz.addBlankTexture([1,1])



#Copy image to texture

WXIMAGE_TO_TEXTURE(img,tex)



#Create quad to display texture

quad = viz.addTexQuad(pos=(0,1.8,2),texture=tex)