def __init__(self,
context: mgl.Context,
shader,
width,
height,
text,
font,
color=(1, 1, 1, 1),
anchor_x='center',
anchor_y='center',
*args,
**kwargs):
super().__init__(context, shader, *args, **kwargs)
self.color = Vector4f(color)
self.anchor_x = anchor_x
self.anchor_y = anchor_y
vertices, indices = self.bake(text, font)
manager = FontManager()
atlas = manager.atlas_agg
self.atlas = context.texture(atlas.shape[0:2], 3, atlas.view(np.ubyte))
vbo = context.buffer(vertices.view(np.ubyte))
ibo = context.buffer(indices.view(np.ubyte))
self.vao = context.vertex_array(
shader,
[ # TODO: pad? maybe doesn't matter 'cause we're not streaming
(vbo, '2f 2f 1f', 'vertices', 'texcoord', 'offset')
],
index_buffer=ibo)
shader['viewport'].value = width, height
self.atlas.use()
def get_fbo(self,
ctx: moderngl.Context,
samples: int = 0) -> moderngl.Framebuffer:
pw = self.pixel_width
ph = self.pixel_height
return ctx.framebuffer(color_attachments=ctx.texture(
(pw, ph),
components=self.n_channels,
samples=samples,
),
depth_attachment=ctx.depth_renderbuffer(
(pw, ph), samples=samples))
def new(cls, ctx: moderngl.Context, size: Tuple[int, int]) -> 'TexSurface':
"""Create a new TexSurface in the given moderngl context."""
tex = ctx.texture(size, 4)
return cls(ctx, tex)
