NS_IMETHODIMP
nsLineIterator::GetLine(PRInt32 aLineNumber,
nsIFrame** aFirstFrameOnLine,
PRInt32* aNumFramesOnLine,
nsRect& aLineBounds,
PRUint32* aLineFlags)
{
NS_ENSURE_ARG_POINTER(aFirstFrameOnLine);
NS_ENSURE_ARG_POINTER(aNumFramesOnLine);
NS_ENSURE_ARG_POINTER(aLineFlags);
if ((aLineNumber < 0) || (aLineNumber >= mNumLines)) {
*aFirstFrameOnLine = nsnull;
*aNumFramesOnLine = 0;
aLineBounds.SetRect(0, 0, 0, 0);
return NS_OK;
}
nsLineBox* line = mLines[aLineNumber];
*aFirstFrameOnLine = line->mFirstChild;
*aNumFramesOnLine = line->GetChildCount();
aLineBounds = line->mBounds;
PRUint32 flags = 0;
if (line->IsBlock()) {
flags |= NS_LINE_FLAG_IS_BLOCK;
}
else {
if (line->HasBreakAfter())
flags |= NS_LINE_FLAG_ENDS_IN_BREAK;
}
*aLineFlags = flags;
return NS_OK;
}
NS_IMETHODIMP nsRenderingContextPh :: GetClipRect( nsRect &aRect, PRBool &aClipValid )
{
PRInt32 x, y, w, h;
if ( !mClipRegion )
return NS_ERROR_FAILURE;
if( !mClipRegion->IsEmpty() ) {
mClipRegion->GetBoundingBox( &x, &y, &w, &h );
aRect.SetRect( x, y, w, h );
aClipValid = PR_TRUE;
}
else {
aRect.SetRect(0,0,0,0);
aClipValid = PR_FALSE;
}
return NS_OK;
}
nsresult
nsDeviceContext::GetRect(nsRect &aRect)
{
if (IsPrinterContext()) {
aRect.SetRect(0, 0, mWidth, mHeight);
} else
ComputeFullAreaUsingScreen ( &aRect );
return NS_OK;
}
void CircleArea::GetRect(nsIFrame* aFrame, nsRect& aRect)
{
if (mNumCoords >= 3) {
nscoord x1 = nsPresContext::CSSPixelsToAppUnits(mCoords[0]);
nscoord y1 = nsPresContext::CSSPixelsToAppUnits(mCoords[1]);
nscoord radius = nsPresContext::CSSPixelsToAppUnits(mCoords[2]);
if (radius < 0) {
return;
}
aRect.SetRect(x1 - radius, y1 - radius, x1 + radius, y1 + radius);
}
}
void RectArea::GetRect(nsIFrame* aFrame, nsRect& aRect)
{
if (mNumCoords >= 4) {
nscoord x1 = nsPresContext::CSSPixelsToAppUnits(mCoords[0]);
nscoord y1 = nsPresContext::CSSPixelsToAppUnits(mCoords[1]);
nscoord x2 = nsPresContext::CSSPixelsToAppUnits(mCoords[2]);
nscoord y2 = nsPresContext::CSSPixelsToAppUnits(mCoords[3]);
NS_ASSERTION(x1 <= x2 && y1 <= y2,
"Someone screwed up RectArea::ParseCoords");
aRect.SetRect(x1, y1, x2, y2);
}
}
void PolyArea::GetRect(nsIFrame* aFrame, nsRect& aRect)
{
if (mNumCoords >= 6) {
nscoord x1, x2, y1, y2, xtmp, ytmp;
x1 = x2 = nsPresContext::CSSPixelsToAppUnits(mCoords[0]);
y1 = y2 = nsPresContext::CSSPixelsToAppUnits(mCoords[1]);
for (PRInt32 i = 2; i < mNumCoords; i += 2) {
xtmp = nsPresContext::CSSPixelsToAppUnits(mCoords[i]);
ytmp = nsPresContext::CSSPixelsToAppUnits(mCoords[i+1]);
x1 = x1 < xtmp ? x1 : xtmp;
y1 = y1 < ytmp ? y1 : ytmp;
x2 = x2 > xtmp ? x2 : xtmp;
y2 = y2 > ytmp ? y2 : ytmp;
}
aRect.SetRect(x1, y1, x2, y2);
}
}
