yukijoou/kwin
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Don't crash on pixmaps without a mask.

Browse source 
svn path=/trunk/kdebase/kwin/; revision=250023
This commit is contained in:
Waldo Bastian 2003-09-10 15:11:42 +00:00
parent 165188c4f5
commit d05d96d5e2
1 changed files with 106 additions and 90 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

196
clients/kwmtheme/kwmthemeclient.cpp
View file

@ -576,132 +576,148 @@ void KWMThemeClient::doShape()
int h1 = framePixmaps[FrameTopLeft]->height();
if (w1 > width()/2) w1 = width()/2;
if (h1 > height()/2) h1 = height()/2;
p.drawPixmap(0,0,*framePixmaps[FrameTopLeft]->mask(),
0,0,w1, h1);
if (framePixmaps[FrameTopLeft]->mask())
p.drawPixmap(0,0,*framePixmaps[FrameTopLeft]->mask(),
0,0,w1, h1);
int w2 = framePixmaps[FrameTopRight]->width();
int h2 = framePixmaps[FrameTopRight]->height();
if (w2 > width()/2) w2 = width()/2;
if (h2 > height()/2) h2 = height()/2;
p.drawPixmap(width()-w2,0,*framePixmaps[FrameTopRight]->mask(),
framePixmaps[FrameTopRight]->width()-w2,0,w2, h2);
if (framePixmaps[FrameTopRight]->mask())
p.drawPixmap(width()-w2,0,*framePixmaps[FrameTopRight]->mask(),
framePixmaps[FrameTopRight]->width()-w2,0,w2, h2);
int w3 = framePixmaps[FrameBottomLeft]->width();
int h3 = framePixmaps[FrameBottomLeft]->height();
if (w3 > width()/2) w3 = width()/2;
if (h3 > height()/2) h3 = height()/2;
p.drawPixmap(0,height()-h3,*framePixmaps[FrameBottomLeft]->mask(),
0,framePixmaps[FrameBottomLeft]->height()-h3,w3, h3);
if (framePixmaps[FrameBottomLeft]->mask())
p.drawPixmap(0,height()-h3,*framePixmaps[FrameBottomLeft]->mask(),
0,framePixmaps[FrameBottomLeft]->height()-h3,w3, h3);
int w4 = framePixmaps[FrameBottomRight]->width();
int h4 = framePixmaps[FrameBottomRight]->height();
if (w4 > width()/2) w4 = width()/2;
if (h4 > height()/2) h4 = height()/2;
p.drawPixmap(width()-w4,height()-h4,*framePixmaps[FrameBottomRight]->mask(),
framePixmaps[FrameBottomRight]->width()-w4,
framePixmaps[FrameBottomRight]->height()-h4,
w4, h4);
if (framePixmaps[FrameBottomRight]->mask())
p.drawPixmap(width()-w4,height()-h4,*framePixmaps[FrameBottomRight]->mask(),
framePixmaps[FrameBottomRight]->width()-w4,
framePixmaps[FrameBottomRight]->height()-h4,
w4, h4);
QPixmap pm;
QWMatrix m;
int n,s,w;
//top
pm = *framePixmaps[FrameTop]->mask();
if (framePixmaps[FrameTop]->mask())
{
pm = *framePixmaps[FrameTop]->mask();
s = width()-w2-w1;
n = s/pm.width();
w = n>0?s/n:s;
m.reset();
m.scale(w/(float)pm.width(), 1);
pm = pm.xForm(m);
s = width()-w2-w1;
n = s/pm.width();
w = n>0?s/n:s;
m.reset();
m.scale(w/(float)pm.width(), 1);
pm = pm.xForm(m);
x = w1;
while (1){
if (pm.width() < width()-w2-x){
p.drawPixmap(x,maxExtent-pm.height()-1,
pm);
x += pm.width();
}
else {
p.drawPixmap(x,maxExtent-pm.height()-1,
pm,
0,0,width()-w2-x,pm.height());
break;
}
x = w1;
while (1){
if (pm.width() < width()-w2-x){
p.drawPixmap(x,maxExtent-pm.height()-1,
pm);
x += pm.width();
}
else {
p.drawPixmap(x,maxExtent-pm.height()-1,
pm,
0,0,width()-w2-x,pm.height());
break;
}
}
}
//bottom
pm = *framePixmaps[FrameBottom]->mask();
if (framePixmaps[FrameBottom]->mask())
{
pm = *framePixmaps[FrameBottom]->mask();
s = width()-w4-w3;
n = s/pm.width();
w = n>0?s/n:s;
m.reset();
m.scale(w/(float)pm.width(), 1);
pm = pm.xForm(m);
s = width()-w4-w3;
n = s/pm.width();
w = n>0?s/n:s;
m.reset();
m.scale(w/(float)pm.width(), 1);
pm = pm.xForm(m);
x = w3;
while (1){
if (pm.width() < width()-w4-x){
p.drawPixmap(x,height()-maxExtent+1,pm);
x += pm.width();
}
else {
p.drawPixmap(x,height()-maxExtent+1,pm,
0,0,width()-w4-x,pm.height());
break;
}
x = w3;
while (1){
if (pm.width() < width()-w4-x){
p.drawPixmap(x,height()-maxExtent+1,pm);
x += pm.width();
}
else {
p.drawPixmap(x,height()-maxExtent+1,pm,
0,0,width()-w4-x,pm.height());
break;
}
}
}
//left
pm = *framePixmaps[FrameLeft]->mask();
if (framePixmaps[FrameLeft]->mask())
{
pm = *framePixmaps[FrameLeft]->mask();
s = height()-h3-h1;
n = s/pm.height();
w = n>0?s/n:s;
m.reset();
m.scale(1, w/(float)pm.height());
pm = pm.xForm(m);
s = height()-h3-h1;
n = s/pm.height();
w = n>0?s/n:s;
m.reset();
m.scale(1, w/(float)pm.height());
pm = pm.xForm(m);
y = h1;
while (1){
if (pm.height() < height()-h3-y){
p.drawPixmap(maxExtent-pm.width()-1, y,
pm);
y += pm.height();
}
else {
p.drawPixmap(maxExtent-pm.width()-1, y,
pm,
0,0, pm.width(),
height()-h3-y);
break;
}
y = h1;
while (1){
if (pm.height() < height()-h3-y){
p.drawPixmap(maxExtent-pm.width()-1, y,
pm);
y += pm.height();
}
else {
p.drawPixmap(maxExtent-pm.width()-1, y,
pm,
0,0, pm.width(),
height()-h3-y);
break;
}
}
}
//right
pm = *framePixmaps[FrameRight]->mask();
if (framePixmaps[FrameRight]->mask())
{
pm = *framePixmaps[FrameRight]->mask();
s = height()-h4-h2;
n = s/pm.height();
w = n>0?s/n:s;
m.reset();
m.scale(1, w/(float)pm.height());
pm = pm.xForm(m);
s = height()-h4-h2;
n = s/pm.height();
w = n>0?s/n:s;
m.reset();
m.scale(1, w/(float)pm.height());
pm = pm.xForm(m);
y = h2;
while (1){
if (pm.height() < height()-h4-y){
p.drawPixmap(width()-maxExtent+1, y,
pm);
y += pm.height();
}
else {
p.drawPixmap(width()-maxExtent+1, y,
pm,
0,0, pm.width(),
height()-h4-y);
break;
}
y = h2;
while (1){
if (pm.height() < height()-h4-y){
p.drawPixmap(width()-maxExtent+1, y,
pm);
y += pm.height();
}
else {
p.drawPixmap(width()-maxExtent+1, y,
pm,
0,0, pm.width(),
height()-h4-y);
break;
}
}
}
p.fillRect(maxExtent-1, maxExtent-1, width()-2*maxExtent+2, height()-2*maxExtent+2, color1);
setMask(shapemask);