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Screen scaling.

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svn path=/branches/work/kwin_composite/; revision=610135
This commit is contained in:
Luboš Luňák 2006-12-03 13:37:44 +00:00
parent 6bf5d12108
commit a03b796335
1 changed files with 19 additions and 14 deletions
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33
scene_xrender.cpp
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@ -357,29 +357,34 @@ void SceneXrender::Window::performPaint( int mask, QRegion region, WindowPaintDa
int y = toplevel->y();
int width = toplevel->width();
int height = toplevel->height();
if( mask & PAINT_SCREEN_TRANSFORMED )
{
// TODO xScale, yScale
x += screen_paint.xTranslate;
y += screen_paint.yTranslate;
}
double xscale = 1;
double yscale = 1;
if( mask & PAINT_WINDOW_TRANSFORMED )
{
xscale *= data.xScale;
yscale *= data.yScale;
x += data.xTranslate;
y += data.yTranslate;
}
bool transform = false;
if(( mask & PAINT_WINDOW_TRANSFORMED ) && ( data.xScale != 1 || data.yScale != 1 ))
if( mask & PAINT_SCREEN_TRANSFORMED )
{
xscale *= screen_paint.xScale;
yscale *= screen_paint.yScale;
x = int( x * screen_paint.xScale );
y = int( y * screen_paint.yScale );
x += screen_paint.xTranslate;
y += screen_paint.yTranslate;
}
if( yscale != 1 || xscale != 1 )
{
XTransform xform = {{
{ XDoubleToFixed( 1 / data.xScale ), XDoubleToFixed( 0 ), XDoubleToFixed( 0 ) },
{ XDoubleToFixed( 0 ), XDoubleToFixed( 1 / data.yScale ), XDoubleToFixed( 0 ) },
{ XDoubleToFixed( 1 / xscale ), XDoubleToFixed( 0 ), XDoubleToFixed( 0 ) },
{ XDoubleToFixed( 0 ), XDoubleToFixed( 1 / yscale ), XDoubleToFixed( 0 ) },
{ XDoubleToFixed( 0 ), XDoubleToFixed( 0 ), XDoubleToFixed( 1 ) }
}};
XRenderSetPictureTransform( display(), pic, &xform );
width = (int)(width * data.xScale);
height = (int)(height * data.yScale);
transform = true;
width = (int)(width * xscale);
height = (int)(height * yscale);
}
if( opaque )
{
@ -392,7 +397,7 @@ void SceneXrender::Window::performPaint( int mask, QRegion region, WindowPaintDa
XRenderComposite( display(), PictOpOver, pic, alpha, buffer, 0, 0, 0, 0,
x, y, width, height);
}
if( transform )
if( xscale != 1 || yscale != 1 )
{
XTransform xform = {{
{ XDoubleToFixed( 1 ), XDoubleToFixed( 0 ), XDoubleToFixed( 0 ) },