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2003-10-27 Bernhard Herzog <[email protected]> |
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Several rendering changes: |
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- Render the selection into a separate bitmap so that only that |
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bitmap needs to be redrawn when the selection changes |
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- Render incrementally showing previews and allowing interaction |
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before rendering is complete |
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- Update the renderer interface a bit. Most parameters of |
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RenderMap are now parameters of the constructor |
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* Thuban/UI/baserenderer.py (BaseRenderer.__init__): Add the map |
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and the update region as parameters. Update the doc-string |
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(BaseRenderer.render_map_incrementally): New. Generator function |
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to renders the map incrementally |
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(BaseRenderer.render_map): Remove the map argument (it's now in |
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the constructor) and simply iterate over the |
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render_map_incrementally generator to draw the map. |
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(BaseRenderer.draw_shape_layer_incrementally) |
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(BaseRenderer.draw_shape_layer): Renamed to |
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draw_shape_layer_incrementally and changed into a generator that |
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yields True every 500 shapes. Used by render_map_incrementally to |
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render shape layers incrementally |
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* Thuban/UI/renderer.py (ScreenRenderer.RenderMap): Removed the |
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map and region parameters which are now in the constructor |
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(ScreenRenderer.RenderMapIncrementally): New. Public frontend for |
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the inherited render_map_incrementally. |
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(BaseRenderer.draw_shape_layer): Removed. |
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(ScreenRenderer.draw_selection_incrementally): New. The selection |
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drawing part of the removed draw_shape_layer as a generator |
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(ScreenRenderer.layer_shapes): Update because of the region |
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parameter change |
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(ExportRenderer.__init__): New. Extend the inherited constructor |
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with the destination region for the drawing |
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(ExportRenderer.RenderMap): Removed the map and region parameters |
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which are now in the constructor |
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* Thuban/UI/view.py (MapCanvas.PreviewBitmap): New. Return a |
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bitmap suitable for a preview in a tool |
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(CanvasPanTool.MouseMove): Use the PreviewBitmap method to get the |
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bitmap |
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(MapPrintout.draw_on_dc): Adapt to new renderer interface |
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(MapCanvas.OnPaint): Handle drawing the selection bitmap if it |
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exists |
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(MapCanvas.OnIdle): Update the logic to deal with incremental |
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rendering and the selection bitmap |
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(MapCanvas._do_redraw): Handle the instantiation of the render |
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iterator and the redraws during rendering |
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(MapCanvas._render_iterator): New. Generator to incrementally |
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redraw both bitmaps |
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(MapCanvas.Export): Adapt to new renderer interface. |
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(MapCanvas.full_redraw): Reset the selection bitmap and the |
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renderer iterator too |
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(MapCanvas.redraw_selection): New. Force a redraw of the selection |
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bitmap |
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(MapCanvas.shape_selected): Only redraw the selection bitmap |
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* test/test_baserenderer.py |
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(TestBaseRenderer.test_polygon_no_projection) |
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(TestBaseRenderer.test_raster_no_projection) |
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(TestBaseRenderer.test_point_map_projection) |
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(TestBaseRenderer.test_point_layer_and_map_projection) |
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(TestBaseRenderer.test_point_layer_projection) |
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(TestBaseRenderer.test_point_with_classification): Adapt to new |
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renderer interface |
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2003-10-24 Bernhard Herzog <[email protected]> |
2003-10-24 Bernhard Herzog <[email protected]> |
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* libraries/thuban/wxproj.cpp (draw_polygon_shape) |
* libraries/thuban/wxproj.cpp (draw_polygon_shape) |
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