Ejemplo n.º 1
0
    def _size_changed(self, old, new):
        Renderer._size_changed(self, old, new)

        width, height = self.size
        stride = width * 4
        self.buf = buf = agg.buffer(width, height, stride)

        self.rbuf = rbuf = agg.rendering_buffer()
        rbuf.attachb(buf)

        self.pf = pf = agg.pixel_format_rgba(rbuf)
        self.rbase = rbase = agg.renderer_base_rgba(pf)
        rbase.clear_rgba8(self.white)

        # the antialiased renderers
        self.renderer = agg.renderer_scanline_aa_solid_rgba(rbase)
        self.rasterizer = agg.rasterizer_scanline_aa()
        self.scanline = agg.scanline_p8()
        self.trans = None

        # the aliased renderers
        self.rendererbin = agg.renderer_scanline_bin_solid_rgba(rbase)
        self.scanlinebin = agg.scanline_bin()
Ejemplo n.º 2
0
    def _size_changed(self, old, new):
        Renderer._size_changed(self, old, new)

        width, height = self.size
        stride = width * 4
        self.buf = buf = agg.buffer(width, height, stride)

        self.rbuf = rbuf = agg.rendering_buffer()
        rbuf.attachb(buf)

        self.pf = pf = agg.pixel_format_rgba(rbuf)
        self.rbase = rbase = agg.renderer_base_rgba(pf)
        rbase.clear_rgba8(self.white)

        # the antialiased renderers
        self.renderer = agg.renderer_scanline_aa_solid_rgba(rbase)
        self.rasterizer = agg.rasterizer_scanline_aa()
        self.scanline = agg.scanline_p8()
        self.trans = None

        # the aliased renderers
        self.rendererbin = agg.renderer_scanline_bin_solid_rgba(rbase)
        self.scanlinebin = agg.scanline_bin()
Ejemplo n.º 3
0
tpath = agg.conv_transform_path(path, mtrans)

curve = agg.conv_curve_trans(tpath)

stride = width*4
buffer = agg.buffer(width, height, stride)

rbuf = agg.rendering_buffer()
rbuf.attachb(buffer)

red = agg.rgba8(255,0,0,255)
blue = agg.rgba8(0,0,255,255)
white = agg.rgba8(255,255,255,255)

pf = agg.pixel_format_rgba(rbuf)
rbase = agg.renderer_base_rgba(pf)
rbase.clear_rgba8(white)

renderer =  agg.renderer_scanline_aa_solid_rgba(rbase);


rasterizer = agg.rasterizer_scanline_aa()
scanline = agg.scanline_p8()

# first fill
rasterizer.add_path(curve)
renderer.color_rgba8(blue)
agg.render_scanlines_rgba(rasterizer, scanline, renderer);

# then stroke
stroke = agg.conv_stroke_curvetrans(curve)
Ejemplo n.º 4
0
blue = agg.rgba8(0,0,255,255)
green = agg.rgba8(0,255,0,255)
black = agg.rgba8(0,0,0,255)
white = agg.rgba8(255,255,255,255)
yellow = agg.rgba8(192,192,255,255)

## Create the rendering buffer, rasterizer, etc
width, height = 600,400
stride = width*4
buffer = agg.buffer(width, height, stride)

rbuf = agg.rendering_buffer()
rbuf.attachb(buffer)

pf = agg.pixel_format_rgba(rbuf)
rbase = agg.renderer_base_rgba(pf)
rbase.clear_rgba8(blue)

renderer =  agg.renderer_scanline_aa_solid_rgba(rbase);
renderer.color_rgba8( red )
rasterizer = agg.rasterizer_scanline_aa()
scanline = agg.scanline_p8()

## A polygon path
path = agg.path_storage()
path.move_to(10,10)
path.line_to(100,100)
path.line_to(200,200)
path.line_to(100,200)
path.close_polygon()