Revision: 5078
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=5078&view=rev
Author: jdh2358
Date: 2008-04-26 19:27:01 -0700 (Sat, 26 Apr 2008)
Log Message:
-----------
removed backend_agg2
Modified Paths:
--------------
trunk/matplotlib/lib/matplotlib/backends/backend_template.py
Removed Paths:
-------------
trunk/matplotlib/lib/matplotlib/backends/backend_agg2.py
Deleted: trunk/matplotlib/lib/matplotlib/backends/backend_agg2.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/backends/backend_agg2.py 2008-04-26
21:59:17 UTC (rev 5077)
+++ trunk/matplotlib/lib/matplotlib/backends/backend_agg2.py 2008-04-27
02:27:01 UTC (rev 5078)
@@ -1,206 +0,0 @@
-"""
-An agg http://antigrain.com/ backend
-
-"""
-from __future__ import division
-
-import os, sys
-import matplotlib.agg as agg
-
-from matplotlib import verbose
-
-from matplotlib._pylab_helpers import Gcf
-from matplotlib.backend_bases import RendererBase,\
- GraphicsContextBase, FigureManagerBase, FigureCanvasBase
-
-from matplotlib.cbook import enumerate, is_string_like, exception_to_str
-from matplotlib.figure import Figure
-from matplotlib.ft2font import FT2Font
-from matplotlib.mathtext import MathTextParser
-
-
-from _backend_agg import RendererAgg as _RendererAgg
-
-backend_version = 'v2.2'
-_fontd = {} # a map from fname to font instances
-
-
-class RendererAgg(RendererBase):
- """
- The renderer handles all the drawing primitives using a graphics
- context instance that controls the colors/styles
- """
-
- debug=1
- 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 draw_lines(self, gc, x, y, trans):
- """
- x and y are equal length arrays, draw lines connecting each
- point in x, y
- """
-
- x, y = trans.numerix_x_y(x,y)
- if len(x)<2: return
- path = agg.path_storage()
- path.move_to(x[0],self.height-y[0])
- for i in xrange(1, len(x)):
- path.line_to(x[i],self.height-y[i])
-
- stroke = agg.conv_stroke(path)
- stroke.width(1.0)
- r,g,b = [int(255*val) for val in gc.get_rgb()]
- a = int(255*gc.get_alpha())
-
- color = agg.rgba8(r,g,b,a)
- self.renderer.color( color )
- self.rasterizer.add_path(stroke)
- agg.render_scanlines(self.rasterizer, self.scanline, self.renderer);
-
- def draw_markers(self, gc, path, rgbFace, xt, yt, trans):
- pass
-
- def draw_arc(self, gcEdge, rgbFace, x, y, width, height, angle1, angle2,
rotation):
- pass
-
- def draw_image(self, x, y, im, origin, bbox):
- pass
-
- def draw_line(self, gc, x1, y1, x2, y2):
- pass
-
- def draw_point(self, gc, x, y):
- pass
-
- def draw_polygon(self, gcEdge, rgbFace, points):
- pass
-
- def draw_rectangle(self, gcEdge, rgbFace, x, y, width, height):
- pass
-
- def draw_text(self, gc, x, y, s, prop, angle, ismath=False):
- pass
-
- def flipy(self):
- return True
-
- def get_canvas_width_height(self):
- return 100, 100
-
- def get_text_width_height(self, s, prop, ismath):
- return 1, 1
-
- def new_gc(self):
- return GraphicsContextBase()
-
-
- def points_to_pixels(self, points):
- """
- convert point measures to pixes using dpi and the pixels per
- inch of the display
- """
- if __debug__: verbose.report('RendererAgg.points_to_pixels',
'debug-annoying')
- return points*self.dpi.get()/72.0
-
-
-
-
-
-def new_figure_manager(num, *args, **kwargs):
- """
- Create a new figure manager instance
- """
- if __debug__: verbose.report('backend_agg.new_figure_manager',
'debug-annoying')
- FigureClass = kwargs.pop('FigureClass', Figure)
- thisFig = FigureClass(*args, **kwargs)
- canvas = FigureCanvasAgg(thisFig)
- manager = FigureManagerBase(canvas, num)
- return manager
-
-
-class FigureCanvasAgg(FigureCanvasBase):
- """
- The canvas the figure renders into. Calls the draw and print fig
- methods, creates the renderers, etc...
-
- Public attribute
-
- figure - A Figure instance
- """
-
-
-
- def draw(self):
- """
- Draw the figure using the renderer
- """
- if __debug__: verbose.report('FigureCanvasAgg.draw', 'debug-annoying')
-
- renderer = self.get_renderer()
- self.figure.draw(renderer)
- return renderer
-
- def get_renderer(self):
- l,b,w,h = self.figure.bbox.get_bounds()
- key = w, h, self.figure.dpi.get()
- try: self._lastKey, self.renderer
- except AttributeError: need_new_renderer = True
- else: need_new_renderer = (self._lastKey != key)
-
- if need_new_renderer:
- self.renderer = RendererAgg(w, h, self.figure.dpi)
- self._lastKey = key
- return self.renderer
-
- def tostring_rgb(self):
- if __debug__: verbose.report('FigureCanvasAgg.tostring_rgb',
'debug-annoying')
- return self.renderer.tostring_rgb()
-
- def tostring_argb(self):
- if __debug__: verbose.report('FigureCanvasAgg.tostring_argb',
'debug-annoying')
- return self.renderer.tostring_argb()
-
- def buffer_rgba(self,x,y):
- if __debug__: verbose.report('FigureCanvasAgg.buffer_rgba',
'debug-annoying')
- return self.renderer.buffer_rgba(x,y)
-
-
- def print_figure(self, filename, dpi=150, facecolor='w', edgecolor='w',
- orientation='portrait', **kwargs):
- """
- Render the figure to hardcopy. Set the figure patch face and
- edge colors. This is useful because some of the GUIs have a
- gray figure face color background and you'll probably want to
- override this on hardcopy
-
- If the extension matches PNG, write a PNG file
-
- If the extension matches BMP or RAW, write an RGBA bitmap file
-
- If filename is a fileobject, write png to file object (thus
- you can, for example, write the png to stdout
- """
-
- r = self.draw()
- s = r.buffer.to_string()
- import Image
- im = Image.fromstring( "RGBA", (r.width, r.height), s)
- im.show()
Modified: trunk/matplotlib/lib/matplotlib/backends/backend_template.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/backends/backend_template.py
2008-04-26 21:59:17 UTC (rev 5077)
+++ trunk/matplotlib/lib/matplotlib/backends/backend_template.py
2008-04-27 02:27:01 UTC (rev 5078)
@@ -68,13 +68,15 @@
def draw_path(self, gc, path, transform, rgbFace=None):
pass
- # draw_markers is optional, and we get more correct
- # relative timings by leaving it out.
+ # draw_markers is optional, and we get more correct relative
+ # timings by leaving it out. backend implementers concerned with
+ # performance will probably want to implement it
# def draw_markers(self, gc, marker_path, marker_trans, path, trans,
rgbFace=None):
# pass
# draw_path_collection is optional, and we get more correct
- # relative timings by leaving it out.
+ # relative timings by leaving it out. backend implementers concerned with
+ # performance will probably want to implement it
# def draw_path_collection(self, master_transform, cliprect, clippath,
# clippath_trans, paths, all_transforms, offsets,
# offsetTrans, facecolors, edgecolors, linewidths,
@@ -82,7 +84,8 @@
# pass
# draw_quad_mesh is optional, and we get more correct
- # relative timings by leaving it out.
+ # relative timings by leaving it out. backend implementers concerned with
+ # performance will probably want to implement it
# def draw_quad_mesh(self, master_transform, cliprect, clippath,
# clippath_trans, meshWidth, meshHeight, coordinates,
# offsets, offsetTrans, facecolors, antialiased,
This was sent by the SourceForge.net collaborative development platform, the
world's largest Open Source development site.
-------------------------------------------------------------------------
This SF.net email is sponsored by the 2008 JavaOne(SM) Conference
Don't miss this year's exciting event. There's still time to save $100.
Use priority code J8TL2D2.
http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone
_______________________________________________
Matplotlib-checkins mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/matplotlib-checkins
