BF: fixes to differences between PyOpenGL.GL and pyglet.gl

Also updated the demo to be more clear about some of TextBox2 features

Author: peircej

psychopy/demos/coder/stimuli/textbox_editable.py

@@ -1,61 +1,62 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-
+import psychopy
 from psychopy import visual, core, event, logging
+import numpy as np
 
-logging.console.setLevel(logging.DEBUG)
+logging.console.setLevel(logging.EXP)
 c = core.Clock()
 
 from psychopy.visual.textbox2 import TextBox2, allFonts
 
-win = visual.Window([800, 800], monitor='testMonitor', backend='glfw')
+win = visual.Window([800, 800], monitor='testMonitor')
 logging.exp("{:.3f}: created window".format(c.getTime()))
 
-text = u"<i>The quick</i> brown <b>fox</b> jumped"
-loremIpsum = u"PsychoPy is an open-source Python application allowing you to run a supercali-fragilisticexpeilidocious wide range of neuroscience, psychology and psychophysics experiments. It’s a free, powerful alternative to Presentation™ or e-Prime™, written in Python (a free alternative to Matlab™ g)."
+psychopyInfo = u"<b>PsychoPy</b> is an <i>open-source</i> Python application allowing you to run a supercali-fragilisticexpeilidocious wide range of neuroscience, psychology and psychophysics experiments. It’s a free, powerful alternative to Presentation™ or e-Prime™, written in Python (a free alternative to Matlab™ g)."
 
-fontSize = 16
 # preload some chars into a font to see how long it takes
-nChars = 256
+fontSize = 16
 arial = allFonts.getFont("Arial", fontSize)
 logging.exp("{:.3f}: created font".format(c.getTime()))
-arial.preload(nChars)
+nChars = 256
+arial.preload(nChars)  # or set to preload specific string of chars
 logging.exp("{:.3f}: preloaded {} chars".format(c.getTime(), nChars))
-# arial.saveToCache()  # can't yet retrieve the font but it's interesting to see!
 
-
-txt1 = TextBox2(win, color='black', colorSpace='named', text='Toptastic', font='Times',
-                pos=(0, 0.0), letterHeight=0.1, units='height',
-                size=[1, 1],
-                anchor='right-bottom',
-                borderColor='red',
+txt1 = TextBox2(win, text="Type here, it's toptastic", font='Times',
+                color='black', colorSpace='named', 
+                pos=(0, 0.4), letterHeight=0.05, units='height',
+                size=[0.8, 0.2],
+                anchor='center-top',
+                borderColor='lightgrey',
                 fillColor='slategrey',
                 editable=True)
-txt1.draw()
-
-x, y = 0, -5
 
-txt2 = TextBox2(win, color='blue', text=loremIpsum, font='Arial',
-            pos=(x, y), anchor='bottom', size=(20, None), units='cm',
+txt2 = TextBox2(win, text=psychopyInfo, font='Arial',
+            pos=(0, -5), anchor='middle', size=(20, None), units='cm',
             lineSpacing=1.1,
             letterHeight=1.,
-            borderColor='white',
-            fillColor=None,
+            color='LightGrey', borderColor='Moccasin', fillColor=None,
             editable=True)
-txt2.draw()
-
-logging.exp("{:.3f}: drew altered Arial text".format(c.getTime()))
-
-win.flip()
-logging.exp("{:.3f}: drew TextBox Times (no preload)".format(c.getTime()))
 
-stims = [txt1, txt2]
-win.flip()
-for frame in range(1000):
-    txt2.pos += 0.01
-    for stim in stims:
-        stim.draw()
+txt3 = TextBox2(win, text='Good for non-editable text (Esc to quit)',
+            font='Arial',
+            borderColor=None, fillColor=None,
+            pos=(-0.5,-0.5), units='height', anchor='bottom-left',
+            letterHeight=0.02,
+            editable=False)
+
+clock = core.Clock()
+t=0
+while t<20:
+    t= clock.getTime()
+    
+    txt1.draw()
+    
+    txt2.pos = (0.2*np.sin(t), 0.2*np.cos(t))
+    txt2.draw()
+    
+    txt3.draw()
     if 'escape' in event.getKeys():
         core.quit()
 

psychopy/visual/textbox2/textbox2.py

@@ -17,7 +17,7 @@
 
 """
 import numpy as np
-from pyglet import gl  # import OpenGL.GL not compatible with Big Sur (2020)
+from pyglet import gl
 
 from ..basevisual import BaseVisualStim, ColorMixin, ContainerMixin
 from psychopy.tools.attributetools import attributeSetter, setAttribute
@@ -311,8 +311,8 @@ def getLineWidthFromPix(pixVal):
         # then they are converted back during rendering using standard BaseStim
         vertices = np.zeros((len(text) * 4, 2), dtype=np.float32)
         self._charIndices = np.zeros((len(text)), dtype=int)
-        self._colors = np.zeros((len(text) * 4, 4), dtype=np.float32)
-        self._texcoords = np.zeros((len(text) * 4, 2), dtype=np.float32)
+        self._colors = np.zeros((len(text) * 4, 4), dtype=np.double)
+        self._texcoords = np.zeros((len(text) * 4, 2), dtype=np.double)
         self._glIndices = np.zeros((len(text) * 4), dtype=int)
 
         # the following are used internally for layout
@@ -510,16 +510,16 @@ def draw(self):
         gl.glEnableClientState(gl.GL_TEXTURE_COORD_ARRAY)
         gl.glEnableClientState(gl.GL_VERTEX_ARRAY)
 
-        gl.glVertexPointer(2, gl.GL_FLOAT, 0, self.verticesPix.ctypes)
-        gl.glColorPointer(4, gl.GL_FLOAT, 0, self._colors.ctypes)
-        gl.glTexCoordPointer(2, gl.GL_FLOAT, 0, self._texcoords.ctypes)
+        gl.glVertexPointer(2, gl.GL_DOUBLE, 0, self.verticesPix.ctypes)
+        gl.glColorPointer(4, gl.GL_DOUBLE, 0, self._colors.ctypes)
+        gl.glTexCoordPointer(2, gl.GL_DOUBLE, 0, self._texcoords.ctypes)
 
         self.shader.bind()
         self.shader.setInt('texture', 0)
         self.shader.setFloat('pixel', [1.0 / 512, 1.0 / 512])
         nVerts = len(self.text)*4
-        gl.glDrawElements(gl.GL_QUADS, nVerts,
-                          gl.GL_UNSIGNED_INT, np.arange(nVerts, dtype=int).ctypes)
+
+        gl.glDrawArrays(gl.GL_QUADS, 0, nVerts)
         self.shader.unbind()
 
         # removed the colors and font texture