def __init__(self,
font,
string,
camera=None,
color=(255, 255, 255, 255),
shadow=(0, 0, 0, 255),
shadow_radius=0,
font_size=24,
margin=5.0,
justify='C',
background_color=None,
shader=None,
f_type='',
mipmap=True):
"""Arguments:
*font*:
File path/name to a TrueType font file.
*string*:
String to write.
*camera*:
Camera object passed on to constructor of sprite
*color*:
Color in format '#RRGGBB', (255,0,0,255), 'orange' etc (as accepted
by PIL.ImageDraw) default (255, 255, 255, 255) i.e. white 100% alpha
*shadow*:
Color of shadow, default black.
*shadow_radius*:
Gaussian blur radius applied to shadow layer, default 0 (no shadow)
*font_size*:
Point size for drawing the letters on the internal Texture. default 24
*margin*:
Offsets from the top left corner for the text and space on right
and bottom. default 5.0
*justify*:
L(eft), C(entre), R(ight) default C
*background_color*:
filled background in ImageDraw format as above. default None i.e.
transparent.
*shader*:
can be passed to init otherwise needs to be set in set_shader or
draw. default None
*f_type*:
filter type. BUMP will generate a normal map (indented by default,
+BUMP or BUMP+ will make it stick out), EMBOSS, CONTOUR, BLUR and
SMOOTH do what they sound like they will do.
"""
super(FixedString, self).__init__(font, mipmap=mipmap)
self.font = font
try:
imgfont = ImageFont.truetype(font, font_size)
except IOError:
abspath = os.path.abspath(font)
msg = "Couldn't find font file '%s'" % font
if font != abspath:
msg = "%s - absolute path is '%s'" % (msg, abspath)
raise Exception(msg)
justify = justify.upper()
f_type = f_type.upper()
ascent, descent = imgfont.getmetrics()
height = ascent + descent
lines = string.split('\n')
nlines = len(lines)
maxwid = 0
for l in lines:
line_wid = imgfont.getsize(l)[0]
if line_wid > maxwid:
maxwid = line_wid
maxwid += 2.0 * margin
texture_wid = WIDTHS[0]
for l in WIDTHS:
if l > maxwid:
texture_wid = l
break
texture_wid = l
texture_hgt = int(nlines * height + 2 * margin)
self.im = Image.new("RGBA", (texture_wid, texture_hgt),
background_color)
self.ix, self.iy = texture_wid, texture_hgt
draw = ImageDraw.Draw(self.im)
if shadow_radius > 0:
from PIL import ImageFilter
self._render_text(lines, justify, margin, imgfont, maxwid, height,
shadow, draw)
self.im = self.im.filter(
ImageFilter.GaussianBlur(radius=shadow_radius))
if background_color == None:
im_arr = self._force_color(np.array(self.im), shadow)
try: # numpy not quite working fully in pypy so have to convert tobytes
self.im = Image.fromarray(im_arr)
except:
h, w, c = im_arr.shape
rgb = 'RGB' if c == 3 else 'RGBA'
self.im = Image.frombytes(rgb, (w, h), im_arr.tobytes())
draw = ImageDraw.Draw(self.im)
self._render_text(lines, justify, margin, imgfont, maxwid, height,
color, draw)
force_color = background_color is None and shadow_radius == 0
if f_type == '':
self.image = np.array(self.im)
elif 'BUMP' in f_type:
amount = -1.0 if '+' in f_type else 1.0
self.image = self._normal_map(np.array(self.im, dtype=np.uint8),
amount)
force_color = False
else:
from PIL import ImageFilter
if f_type == 'EMBOSS':
self.im = self.im.filter(ImageFilter.EMBOSS)
elif f_type == 'CONTOUR':
self.im = self.im.filter(ImageFilter.CONTOUR)
elif f_type == 'BLUR':
self.im = self.im.filter(ImageFilter.BLUR)
elif f_type == 'SMOOTH':
self.im = self.im.filter(ImageFilter.SMOOTH_MORE)
self.image = np.array(self.im)
if force_color:
self.image = self._force_color(self.image, color)
self._tex = ctypes.c_uint()
bmedge = nlines * height + 2.0 * margin
self.sprite = Sprite(camera=camera, w=maxwid, h=bmedge)
buf = self.sprite.buf[0] #convenience alias
buf.textures = [self]
if shader != None:
self.sprite.shader = shader
buf.shader = shader
buf.unib[6] = float(maxwid / texture_wid) #scale to fit
buf.unib[7] = float(bmedge / texture_hgt)
def __init__(self,
font,
string,
camera=None,
color=(255, 255, 255, 255),
outline=(0, 0, 0, 255),
outline_size=0,
font_size=24,
margin=5.0,
justify='C',
background_color=None,
shader=None,
f_type='',
mipmap=True):
"""Arguments:
*font*:
File path/name to a TrueType font file.
*string*:
String to write.
*camera*:
Camera object passed on to constructor of sprite
*color*:
Color in format #RRGGBB, (255,0,0,255) etc (as accepted by PIL.ImageDraw)
default (255, 255, 255, 255) i.e. white 100% alpha
*font_size*:
Point size for drawing the letters on the internal Texture. default 24
*margin*:
Offsets from the top left corner for the text and space on right
and bottom. default 5.0
*justify*:
L(eft), C(entre), R(ight) default C
*background_color*:
filled background in ImageDraw format as above. default None i.e.
transparent.
*shader*:
can be passed to init otherwise needs to be set in set_shader or
draw. default None
*f_type*:
filter type. BUMP will generate a normal map (indented), EMBOSS,
CONTOUR, BLUR and SMOOTH do what they sound like they will do.
"""
super(FixedOutlineString, self).__init__(font, mipmap=mipmap)
self.font = font
try:
imgfont = ImageFont.truetype(font, font_size)
except IOError:
abspath = os.path.abspath(font)
msg = "Couldn't find font file '%s'" % font
if font != abspath:
msg = "%s - absolute path is '%s'" % (msg, abspath)
raise Exception(msg)
justify = justify.upper()
f_type = f_type.upper()
ascent, descent = imgfont.getmetrics()
height = ascent + descent
lines = string.split('\n')
nlines = len(lines)
maxwid = 0
for l in lines:
line_wid = imgfont.getsize(l)[0]
if line_wid > maxwid:
maxwid = line_wid
maxwid += 2.0 * margin
texture_wid = WIDTHS[0]
for l in WIDTHS:
if l > maxwid:
texture_wid = l
break
texture_wid = l
texture_hgt = int(nlines * height + 2 * margin)
self.im = Image.new("RGBA", (texture_wid, texture_hgt),
background_color)
self.alpha = True
self.ix, self.iy = texture_wid, texture_hgt
draw = ImageDraw.Draw(self.im)
for i, line in enumerate(lines):
line_len = imgfont.getsize(line)[0]
if justify == "C":
xoff = (maxwid - line_len) / 2.0
elif justify == "L":
xoff = margin
else:
xoff = maxwid - line_len
# draw the outline by drawing the displaced text repeatedly
if outline_size > 0:
for xi in range(-outline_size, outline_size + 1):
for yi in range(-outline_size, outline_size + 1):
if xi != 0 and yi != 0:
draw.text((xoff + xi, margin + i * height + yi),
line,
font=imgfont,
fill=outline)
draw.text((xoff, margin + i * height),
line,
font=imgfont,
fill=color)
if f_type == '':
pass
elif f_type == 'BUMP':
self.im = self.make_bump_map()
else:
from PIL import ImageFilter
if f_type == 'EMBOSS':
self.im = self.im.filter(ImageFilter.EMBOSS)
elif f_type == 'CONTOUR':
self.im = self.im.filter(ImageFilter.CONTOUR)
elif f_type == 'BLUR':
self.im = self.im.filter(ImageFilter.BLUR)
elif f_type == 'SMOOTH':
self.im = self.im.filter(ImageFilter.SMOOTH_MORE)
#self.image = self.im.convert('RGBA').tostring('raw', 'RGBA')
self.im = self.im.convert('RGBA')
self.image = np.array(self.im)
self._tex = ctypes.c_int()
bmedge = nlines * height + 2.0 * margin
self.sprite = Sprite(camera=camera, w=maxwid, h=bmedge)
buf = self.sprite.buf[0] #convenience alias
buf.textures = [self]
if shader != None:
self.sprite.shader = shader
buf.shader = shader
buf.unib[6] = float(maxwid / texture_wid) #scale to fit
buf.unib[7] = float(bmedge / texture_hgt)
flatsh = Shader("shaders/uv_flat")
defocus = Defocus()
#Create textures
shapeimg = Texture("textures/straw1.jpg")
shapebump = Texture("textures/floor_nm.jpg", True)
shapeshine = Texture("textures/pong3.png")
#Create shape
myshape = MergeShape(camera=persp_cam) #specify perspective view
asphere = Sphere(sides=16, slices=16)
myshape.radialCopy(asphere, step=72)
myshape.position(0.0, 0.0, 5.0)
myshape.set_draw_details(shader, [shapeimg, shapebump, shapeshine], 8.0, 0.1)
mysprite = Sprite(w=10.0, h=10.0, camera=persp_cam)
mysprite.position(0.0, 0.0, 15.0)
mysprite.set_draw_details(flatsh, [shapebump])
tick = 0
next_time = time.time() + 2.0
#load ttf font and set the font colour to 'raspberry'
arialFont = Ttffont("fonts/FreeMonoBoldOblique.ttf", "#dd00aa")
mystring = String(font=arialFont,
string="blurring with distance!",
camera=ortho_cam,
z=1.0,
is_3d=False) # orthographic view
mystring.set_shader(flatsh)
def __init__(self, shader="uv_flat", mipmap=False, separation=0.4, interlace=0):
""" calls Texture.__init__ but doesn't need to set file name as
texture generated from the framebuffer. Keyword Arguments:
*shader*
to use when drawing sprite, defaults to uv_flat.
*mipmap*
can be set to True with slight cost to speed, or use fxaa shader
*separation*
distance between the two camera positions - how wide apart the
eye views are.
*interlace*
if interlace > 0 then the images are not taken with glScissor and
must be drawn with a special interlacing shader.
"""
# load shader
if interlace <= 0: # i.e. default side by side behaviour
self.shader = Shader.create(shader)
else:
self.shader = Shader(vshader_source = """
precision mediump float;
attribute vec3 vertex;
attribute vec2 texcoord;
uniform mat4 modelviewmatrix[2];
varying vec2 texcoordout;
void main(void) {
texcoordout = texcoord;
gl_Position = modelviewmatrix[1] * vec4(vertex,1.0);
}
""", fshader_source = """
precision mediump float;
uniform sampler2D tex0;
uniform sampler2D tex1;
varying vec2 texcoordout;
void main(void) {{
vec4 texc0 = texture2D(tex0, texcoordout);
vec4 texc1 = texture2D(tex1, texcoordout);
vec2 coord = vec2(gl_FragCoord);
gl_FragColor = mix(texc0, texc1, step(0.5, fract(coord.x / {:f})));
}}
""".format(interlace * 2.0))
self.camera_3d = Camera() # create 3d cam first so it becomes default instance
self.forMtrx = np.identity(4, dtype='float32') # initially not rotated
self.position = [0.0, 0.0, 0.0]
self.camera_2d = Camera(is_3d=False)
self.offs = separation / 2.0
self.interlace = interlace
self.textures = []
self.sprites = []
self.tex_list = []
for i in range(2):
self.textures.append(OffScreenTexture(name="stereo"))
ix, iy = self.textures[i].ix, self.textures[i].iy
#two sprites full width but moved so that they are centred on the
#left and right edges. The offset values then move the uv mapping
#so the image is on the right of the left sprite and left of the
#right sprite
self.sprites.append(Sprite(z=20.0, w=ix, h=iy, flip=True))
if interlace <= 0:
self.sprites[i].positionX(-ix/2.0 + i*ix)
self.sprites[i].set_offset((i * 0.5 - 0.25, 0.0))
else:
self.sprites[i].set_2d_size(w=ix, h=iy)
self.textures[i].blend = True
self.textures[i].mipmap = mipmap
self.tex_list.append(self.textures[i])
opengles.glColorMask(1, 1, 1, 1)
cloudTex = []
cloudTex.append(Texture("textures/cloud2.png", True))
cloudTex.append(Texture("textures/cloud3.png", True))
cloudTex.append(Texture("textures/cloud4.png", True))
cloudTex.append(Texture("textures/cloud5.png", True))
cloudTex.append(Texture("textures/cloud6.png", True))
# Setup cloud positions and cloud image refs
cz = 0.0
clouds = [] # an array for the clouds
for b in range(0, cloudno):
size = 0.5 + random.random() / 2.0
cloud = Sprite(w=size * widex,
h=size * widey,
x=150.0 * (random.random() - 0.5),
y=0.0,
z=cloud_depth - cz)
cloud.set_draw_details(shader, [cloudTex[int(random.random() * 4.99999)]],
0.0, 0.0)
clouds.append(cloud)
cz = cz + zd
CAMERA = Camera.instance()
CAMERA.position((0.0, 0.0, 50.0))
CAMERA.was_moved = False
# Fetch key presses
mykeys = Keyboard()
while DISPLAY.loop_running():
# the z position of each cloud is held in clouds[i].unif[2] returned by cloud.z()