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()
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()
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); rasterizer = agg.rasterizer_scanline_aa() scanline = agg.scanline_p8()
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() path.move_to(10,10) path.line_to(100,100)
