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render upright image (was previously transposed image)

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KIU Shueng Chuan 2021-07-17 15:19:11 +08:00
parent 5283eeb71b
commit fa77dae941
1 changed files with 4 additions and 4 deletions
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8
pyqtgraph/opengl/GLViewWidget.py
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@ -524,7 +524,7 @@ class GLViewWidget(QtWidgets.QOpenGLWidget):
fb = None
depth_buf = None
try:
output = np.empty((w, h, 4), dtype=np.ubyte)
output = np.empty((h, w, 4), dtype=np.ubyte)
fb = glfbo.glGenFramebuffers(1)
glfbo.glBindFramebuffer(glfbo.GL_FRAMEBUFFER, fb )
@ -539,7 +539,7 @@ class GLViewWidget(QtWidgets.QOpenGLWidget):
if glGetTexLevelParameteriv(GL_PROXY_TEXTURE_2D, 0, GL_TEXTURE_WIDTH) == 0:
raise RuntimeError("OpenGL failed to create 2D texture (%dx%d); too large for this hardware." % data.shape[:2])
## create texture
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, texwidth, texwidth, 0, GL_RGBA, GL_UNSIGNED_BYTE, data.transpose((1,0,2)))
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, texwidth, texwidth, 0, GL_RGBA, GL_UNSIGNED_BYTE, data)
# Create depth buffer
depth_buf = glGenRenderbuffers(1)
@ -565,8 +565,8 @@ class GLViewWidget(QtWidgets.QOpenGLWidget):
## read texture back to array
data = glGetTexImage(GL_TEXTURE_2D, 0, format, type)
data = np.fromstring(data, dtype=np.ubyte).reshape(texwidth,texwidth,4).transpose(1,0,2)[:, ::-1]
output[x+padding:x2-padding, y+padding:y2-padding] = data[padding:w2-padding, -(h2-padding):-padding]
data = np.frombuffer(data, dtype=np.ubyte).reshape(texwidth,texwidth,4)[::-1, ...]
output[y+padding:y2-padding, x+padding:x2-padding] = data[-(h2-padding):-padding, padding:w2-padding]
finally:
self.opts['viewport'] = None