def __init__(self, width, height, dpi): if __debug__: verbose.report('RendererAgg.__init__', 'debug-annoying') self.dpi = dpi self.width = int(width) self.height = int(height) stride = self.width * 4 self.buffer = agg.buffer(self.width, self.height, stride) self.rbuf = agg.rendering_buffer() self.rbuf.attachb(self.buffer) self.pf = agg.pixel_format(self.rbuf) self.rbase = agg.renderer_base(self.pf) self.rasterizer = agg.rasterizer_scanline_aa() self.scanline = agg.scanline_p8() self.renderer = agg.renderer_scanline_aa_solid(self.rbase)
def __init__(self, width, height, dpi): if __debug__: verbose.report('RendererAgg.__init__', 'debug-annoying') self.dpi = dpi self.width = int(width) self.height = int(height) stride = self.width*4 self.buffer = agg.buffer(self.width, self.height, stride) self.rbuf = agg.rendering_buffer() self.rbuf.attachb(self.buffer) self.pf = agg.pixel_format(self.rbuf) self.rbase = agg.renderer_base(self.pf) self.rasterizer = agg.rasterizer_scanline_aa() self.scanline = agg.scanline_p8() self.renderer = agg.renderer_scanline_aa_solid(self.rbase);
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()
glyph = font.load_char(ord('y')) path = glyph_to_agg_path(glyph) curve = agg.conv_curve_path(path) scaling = agg.trans_affine_scaling(20,20) translation = agg.trans_affine_translation(4,4) rotation = agg.trans_affine_rotation(3.1415926) mtrans = translation*scaling # cannot use this as a temporary 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);
# it import matplotlib.agg as agg from math import pi ## Define some colors red = agg.rgba8(255,0,0,255) 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()