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8 | 8 | from .importbackend_agg,backend_gtk4 |
9 | 9 | from .backend_cairoimportcairo |
10 | 10 | from .backend_gtk4importGtk,_BackendGTK4 |
11 | | -frommatplotlibimporttransforms |
12 | 11 |
|
13 | 12 |
|
14 | 13 | classFigureCanvasGTK4Agg(backend_gtk4.FigureCanvasGTK4, |
15 | 14 | backend_agg.FigureCanvasAgg): |
16 | 15 | def__init__(self,figure): |
17 | 16 | backend_gtk4.FigureCanvasGTK4.__init__(self,figure) |
18 | | -self._bbox_queue= [] |
19 | 17 |
|
20 | 18 | defon_draw_event(self,widget,ctx): |
21 | 19 | scale=self.device_pixel_ratio |
22 | 20 | allocation=self.get_allocation() |
23 | | -w=allocation.width*scale |
24 | | -h=allocation.height*scale |
25 | 21 |
|
26 | | -ifnotlen(self._bbox_queue): |
27 | | -Gtk.render_background( |
28 | | -self.get_style_context(),ctx, |
29 | | -allocation.x,allocation.y, |
30 | | -allocation.width,allocation.height) |
31 | | -bbox_queue= [transforms.Bbox([[0,0], [w,h]])] |
32 | | -else: |
33 | | -bbox_queue=self._bbox_queue |
| 22 | +Gtk.render_background( |
| 23 | +self.get_style_context(),ctx, |
| 24 | +allocation.x,allocation.y, |
| 25 | +allocation.width,allocation.height) |
34 | 26 |
|
35 | 27 | ctx=backend_cairo._to_context(ctx) |
36 | 28 |
|
37 | | -forbboxinbbox_queue: |
38 | | -x=int(bbox.x0) |
39 | | -y=h-int(bbox.y1) |
40 | | -width=int(bbox.x1)-int(bbox.x0) |
41 | | -height=int(bbox.y1)-int(bbox.y0) |
42 | | - |
43 | | -buf=cbook._unmultiplied_rgba8888_to_premultiplied_argb32( |
44 | | -np.asarray(self.copy_from_bbox(bbox))) |
45 | | -image=cairo.ImageSurface.create_for_data( |
46 | | -buf.ravel().data,cairo.FORMAT_ARGB32,width,height) |
47 | | -image.set_device_scale(scale,scale) |
48 | | -ctx.set_source_surface(image,x/scale,y/scale) |
49 | | -ctx.paint() |
50 | | - |
51 | | -iflen(self._bbox_queue): |
52 | | -self._bbox_queue= [] |
| 29 | +buf=cbook._unmultiplied_rgba8888_to_premultiplied_argb32( |
| 30 | +np.asarray(self.renderer.buffer_rgba())) |
| 31 | +height,width,_=buf.shape |
| 32 | +image=cairo.ImageSurface.create_for_data( |
| 33 | +buf.ravel().data,cairo.FORMAT_ARGB32,width,height) |
| 34 | +image.set_device_scale(scale,scale) |
| 35 | +ctx.set_source_surface(image,0,0) |
| 36 | +ctx.paint() |
53 | 37 |
|
54 | 38 | returnFalse |
55 | 39 |
|
56 | | -defblit(self,bbox=None): |
57 | | -# If bbox is None, blit the entire canvas to gtk. Otherwise |
58 | | -# blit only the area defined by the bbox. |
59 | | -ifbboxisNone: |
60 | | -bbox=self.figure.bbox |
61 | | - |
62 | | -scale=self.device_pixel_ratio |
63 | | -allocation=self.get_allocation() |
64 | | -x=int(bbox.x0/scale) |
65 | | -y=allocation.height-int(bbox.y1/scale) |
66 | | -width= (int(bbox.x1)-int(bbox.x0))//scale |
67 | | -height= (int(bbox.y1)-int(bbox.y0))//scale |
68 | | - |
69 | | -self._bbox_queue.append(bbox) |
70 | | -self.queue_draw_area(x,y,width,height) |
71 | | - |
72 | 40 | defdraw(self): |
73 | 41 | backend_agg.FigureCanvasAgg.draw(self) |
74 | 42 | super().draw() |
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