Magic-Mirror/gecko-dev
1
0
Fork 0
mirror of https://github.com/mozilla/gecko-dev.git synced 2024-10-09 19:35:51 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Bug 1090168 - part 2 - Adjust initial value of textBaseline depending on writing-mode and text-orientation properties. r=jdaggett

Browse Source
This commit is contained in:
Jonathan Kew 2014-11-13 08:58:04 +00:00
parent 02d6b51ec6
commit 92a78b6d76
1 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
dom/canvas/CanvasRenderingContext2D.cpp
View File

@ -1357,6 +1357,25 @@ CanvasRenderingContext2D::ClearTarget()
state->colorStyles[Style::FILL] = NS_RGB(0,0,0);
state->colorStyles[Style::STROKE] = NS_RGB(0,0,0);
state->shadowColor = NS_RGBA(0,0,0,0);
// For vertical writing-mode, unless text-orientation is sideways,
// we'll modify the initial value of textBaseline to 'middle'.
nsRefPtr<nsStyleContext> canvasStyle;
if (mCanvasElement && mCanvasElement->IsInDoc()) {
nsCOMPtr<nsIPresShell> presShell = GetPresShell();
if (presShell) {
canvasStyle =
nsComputedDOMStyle::GetStyleContextForElement(mCanvasElement,
nullptr,
presShell);
if (canvasStyle) {
WritingMode wm(canvasStyle);
if (wm.IsVertical() && !wm.IsSideways()) {
state->textBaseline = TextBaseline::MIDDLE;
}
}
}
}
}
NS_IMETHODIMP