[2832896] raster scale error in PDF, EPS output

mdboom · mdboom · commit a05498785f37 · 2009-08-31T15:31:46.000Z
svn path=/trunk/matplotlib/; revision=7614
diff --git a/lib/matplotlib/backends/backend_agg.py b/lib/matplotlib/backends/backend_agg.py
@@ -140,7 +140,7 @@ def draw_text(self, gc, x, y, s, prop, angle, ismath):
             # space) in the following call to draw_text_image).
             font.set_text(s, 0, flags=LOAD_FORCE_AUTOHINT)
         font.draw_glyphs_to_bitmap()
-        
+
         #print x, y, int(x), int(y), s
 
         self._renderer.draw_text_image(font.get_image(), int(x), int(y) + 1, angle, gc)
diff --git a/lib/matplotlib/image.py b/lib/matplotlib/image.py
@@ -141,7 +141,7 @@ def draw(self, renderer, *args, **kwargs):
         gc = renderer.new_gc()
         gc.set_clip_rectangle(self.axes.bbox.frozen())
         gc.set_clip_path(self.get_clip_path())
-        renderer.draw_image(gc, round(l), round(b), im)
+        renderer.draw_image(gc, l, b, im)
 
     def contains(self, mouseevent):
         """
@@ -421,10 +421,8 @@ def make_image(self, magnification=1.0):
         ty = (ymin-self.axes.viewLim.y0)/dyintv * numrows
 
         l, b, r, t = self.axes.bbox.extents
-        widthDisplay = (round(r) + 0.5) - (round(l) - 0.5)
-        heightDisplay = (round(t) + 0.5) - (round(b) - 0.5)
-        widthDisplay *= magnification
-        heightDisplay *= magnification
+        widthDisplay = (round(r*magnification) + 0.5) - (round(l*magnification) - 0.5)
+        heightDisplay = (round(t*magnification) + 0.5) - (round(b*magnification) - 0.5)
         im.apply_translation(tx, ty)
 
         # resize viewport to display
diff --git a/src/_backend_agg.cpp b/src/_backend_agg.cpp
@@ -803,8 +803,8 @@ RendererAgg::draw_image(const Py::Tuple& args) {
   args.verify_length(4);
 
   GCAgg gc(args[0], dpi);
-  double x = Py::Float(args[1]);
-  double y = Py::Float(args[2]);
+  double x = mpl_round(Py::Float(args[1]));
+  double y = mpl_round(Py::Float(args[2]));
   Image *image = static_cast<Image*>(args[3].ptr());
   bool has_clippath = false;
 
