Is it possible to save a screenshot of the active window somehow? I'm
using opengl primitives, but when I try to do something like
CopyTexImage2D then call textureçsaveö ı get a weird, skewed image.
Can anyone help me?
The drawing method is as follows:
def draw():
global std
global win
win.switch_to()
global tex
glClear(GL_COLOR_BUFFER_BIT)
global image
glEnable(GL_TEXTURE_2D)
glBindTexture(GL_TEXTURE_2D,tex.id)
#colorBits = GLchar()
#glTexImage2D(GL_TEXTURE_2D,0 ,3 , 640, 480, 0 , GL_RGB,
GL_UNSIGNED_BYTE, colorBits)
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,
GL_LINEAR)
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,
GL_LINEAR)
glViewport(0,0,640,480)
if image:
glBindTexture(GL_TEXTURE_2D,image.id)
#tex.blit_into(image,0,0,0)
glBindTexture(GL_TEXTURE_2D,0)
for item in std:
if item[0] == 'line':
glLineWidth(item[5])
glColor3f(item[6][0],item[6][1],item[6][2])
pyglet.graphics.draw(2, pyglet.gl.GL_LINES,('v2i',
(item[1], item[2], item[3], item[4])))
elif item[0] == 'brush':
glPointSize( item[3] )
glColor3f(item[4][0],item[4][1],item[4][2])
pyglet.graphics.draw(1, pyglet.gl.GL_POINTS,('v2i',
(item[1], item[2])))
global drag
if drag:
global begpt
global endpt
global color
global ptsize
glColor3f(color[0],color[1],color[2])
glLineWidth(ptsize)
pyglet.graphics.draw(2, pyglet.gl.GL_LINES,('v2i',
(begpt[0], begpt[1], endpt[0], endpt[1])))
glBindTexture(GL_TEXTURE_2D,tex.id)
glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,0,0, 640, 480, 0)
glFinish()
glViewport(0,0,640,480)
glDisable(GL_TEXTURE_2D)
glFlush()
and I call tex.save() when the user presses a key.
Can it be related to me dispatching events before calling draw() ? I
don't think so though...
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