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Auto merge of #7696 - mskrzypkows:PaintContext_Units, r=mbrubeck

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Draft. Change PaintContext rects to TypedRects #7023

I created draft. I'm not sure if we need any units conversion in PaintContext. There is also strange 'clear' method, we use PagePx origin and ScreenPx size is it OK?

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This commit is contained in:
bors-servo 2015-11-07 00:22:59 +05:30
commit 8d8ffa8265
3 changed files with 46 additions and 43 deletions
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10
components/gfx/display_list/mod.rs
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@ -705,9 +705,9 @@ impl StackingContext {
inverse_transform.m21, inverse_transform.m22,
inverse_transform.m41, inverse_transform.m42);
let tile_size = Size2D::new(paint_context.screen_rect.size.width as f32,
paint_context.screen_rect.size.height as f32);
let tile_rect = Rect::new(Point2D::zero(), tile_size);
let tile_size = Size2D::new(paint_context.screen_rect.as_f32().size.width,
paint_context.screen_rect.as_f32().size.height);
let tile_rect = Rect::new(Point2D::zero(), tile_size).to_untyped();
let tile_rect = inverse_transform_2d.transform_rect(&tile_rect);
// Optimize the display list to throw out out-of-bounds display items and so forth.
@ -1493,11 +1493,11 @@ impl DisplayItem {
transform.translate(stacking_context.bounds
.origin
.x
.to_nearest_pixel(pixels_per_px) as AzFloat,
.to_nearest_pixel(pixels_per_px.get()) as AzFloat,
stacking_context.bounds
.origin
.y
.to_nearest_pixel(pixels_per_px) as AzFloat,
.to_nearest_pixel(pixels_per_px.get()) as AzFloat,
0.0);
stacking_context.optimize_and_draw_into_context(paint_context,
&new_transform,