141 lines
3.3 KiB
Python
141 lines
3.3 KiB
Python
#!/usr/bin/python
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import sys
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from OpenGL.GL import *
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from OpenGL.GLU import *
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from OpenGL.GLUT import *
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import FTGL
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fonts = []
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width = 600
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height = 600
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def do_ortho():
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w, h = width, height
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glViewport(0, 0, w, h)
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glMatrixMode(GL_PROJECTION)
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glLoadIdentity()
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size = max(w, h) / 2.0
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aspect = float(w) / float(h)
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if w <= h:
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aspect = float(h) / float(w)
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glOrtho(-size, size, -size*aspect, size*aspect, -100000.0, 100000.0)
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else:
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glOrtho(-size*aspect, size*aspect, -size, size, -100000.0, 100000.0)
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glScaled(aspect, aspect, 1.0)
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glMatrixMode(GL_MODELVIEW)
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glLoadIdentity()
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def draw_scene():
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string = []
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chars = []
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chars[:] = []
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for i in range(1, 32):
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chars.append(chr(i))
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string.append("".join(chars))
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chars[:] = []
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for i in range(32, 64):
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chars.append(chr(i))
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string.append("".join(chars))
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chars[:] = []
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for i in range(64, 96):
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chars.append(chr(i))
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string.append("".join(chars))
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chars[:] = []
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for i in range(96, 128):
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chars.append(chr(i))
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string.append("".join(chars))
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chars[:] = []
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for i in range(128, 160):
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chars.append(chr(i))
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string.append("".join(chars))
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chars[:] = []
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for i in range(160, 192):
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chars.append(chr(i))
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string.append("".join(chars))
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chars[:] = []
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for i in range(192, 224):
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chars.append(chr(i))
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string.append("".join(chars))
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chars[:] = []
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for i in range(224, 256):
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chars.append(chr(i))
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string.append("".join(chars))
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glColor3f(1.0, 1.0, 1.0)
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for i, font in enumerate(fonts):
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x = -250.0
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yild = 20.0
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for j in range(0, 4):
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y = 275.0 - i * 120.0 - j * yild
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if i >= 3:
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glRasterPos(x, y)
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font.Render(string[j])
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elif i == 2:
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glEnable(GL_TEXTURE_2D)
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glEnable(GL_BLEND)
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
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glPushMatrix()
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glTranslatef(x, y, 0.0)
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font.Render(string[j])
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glPopMatrix()
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glDisable(GL_TEXTURE_2D)
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glDisable(GL_BLEND)
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else:
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glPushMatrix()
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glTranslatef(x, y, 0.0)
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font.Render(string[j])
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glPopMatrix()
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def on_display():
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glClear(GL_COLOR_BUFFER_BIT)
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do_ortho()
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draw_scene()
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glutSwapBuffers()
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def on_reshape(w, h):
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width, height = w, h
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def on_key(key, x, y):
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if key == '\x1b':
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sys.exit(1)
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if __name__ == '__main__':
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glutInitWindowSize(width, height)
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glutInit(sys.argv)
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glutInitDisplayMode(GLUT_RGBA|GLUT_DOUBLE)
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glutCreateWindow("PyFTGL Demo")
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glClearColor(0.0, 0.0, 0.0, 0.0)
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try:
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fonts = [
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FTGL.OutlineFont(sys.argv[1]),
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FTGL.PolygonFont(sys.argv[1]),
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FTGL.TextureFont(sys.argv[1]),
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FTGL.BitmapFont(sys.argv[1]),
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FTGL.PixmapFont(sys.argv[1]),
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]
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for font in fonts:
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font.FaceSize(24, 72)
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except:
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print "usage:", sys.argv[0], "font_filename.ttf"
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sys.exit(0)
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glutDisplayFunc(on_display)
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glutReshapeFunc(on_reshape)
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glutKeyboardUpFunc(on_key)
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glutMainLoop()
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