Waveview: fix rounding, span entire region rectangle
Previously samples at the end could end up being cropped, when the Waveview is rendered using an offset.
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@ -307,7 +307,7 @@ WaveView::get_item_and_draw_rect_in_window_coords (Rect const& canvas_rect, Rect
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*/
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double const width = region_length() / _props->samples_per_pixel;
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item_rect = item_to_window (Rect (0.0, 0.0, width, _props->height));
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item_rect = item_to_window (Rect (0.0, 0.0, width, _props->height), false);
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/* Now lets get the intersection with the area we've been asked to draw */
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@ -318,6 +318,11 @@ WaveView::get_item_and_draw_rect_in_window_coords (Rect const& canvas_rect, Rect
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return false;
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}
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item_rect.x0 = floor (item_rect.x0);
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item_rect.x1 = ceil (item_rect.x1);
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item_rect.y0 = round (item_rect.y0);
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item_rect.y1 = round (item_rect.y1);
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/* draw_rect now defines the rectangle we need to update/render the waveview
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* into, in window coordinate space.
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*
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@ -325,7 +330,7 @@ WaveView::get_item_and_draw_rect_in_window_coords (Rect const& canvas_rect, Rect
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* and/or end.
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*/
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draw_rect.x0 = floor (draw_rect.x0);
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draw_rect.x1 = floor (draw_rect.x1);
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draw_rect.x1 = ceil (draw_rect.x1);
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return true;
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}
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