wine/gecko
0
0
Fork 0
mirror of https://gitlab.winehq.org/wine/wine-gecko.git synced 2024-09-13 09:24:08 -07:00
Code Issues Packages Projects Releases Wiki Activity

bug 1096131 clarify docs for LayoutDevicePixels and LayerPixels r=kats f=tn

Browse Source 
--HG--
extra : rebase_source : c2e854a7af06abbfcd9bb95fef3ac241472b88b5
This commit is contained in:
Karl Tomlinson 2014-11-08 12:39:42 +13:00
parent b61db0deda
commit 8395221632
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
layout/base/Units.h
View File

@ -168,9 +168,9 @@ struct CSSPixel {
/*
* The pixels that are referred to as "device pixels" in layout code. In
* general this is obtained by converting a value in app units value by the
* AppUnitsPerDevPixel() value. The size of these pixels
* are affected by:
* general values measured in LayoutDevicePixels are obtained by dividing a
* value in app units by AppUnitsPerDevPixel(). Conversion between CSS pixels
* and LayoutDevicePixels is affected by:
* 1) the "full zoom" (see nsPresContext::SetFullZoom)
* 2) the "widget scale" (see nsIWidget::GetDefaultScale)
*/
@ -219,11 +219,12 @@ struct LayoutDevicePixel {
/*
* The pixels that layout rasterizes and delivers to the graphics code.
* These are generally referred to as "device pixels" in layout code. Layer
* pixels are affected by:
* These also are generally referred to as "device pixels" in layout code.
* Conversion between CSS pixels and LayerPixels is affected by:
* 1) the "display resolution" (see nsIPresShell::SetResolution)
* 2) the "full zoom" (see nsPresContext::SetFullZoom)
* 3) the "widget scale" (see nsIWidget::GetDefaultScale)
* 4) rasterizing at a different scale in the presence of some CSS transforms
*/
struct LayerPixel {
static nsIntRect ToUntyped(const LayerIntRect& aRect) {