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/***************************************************************************
kjseeker.cpp
---------------------------------------------
slider that lets the user jump inside the currently played file
---------------------------------------------
Maintainer: Stefan Gehn <sgehn@gmx.net>
***************************************************************************/
#include "kjseeker.h"
#include "kjloader.h"
#include "helpers.cpp"
#include <noatun/player.h>
#include <kdebug.h>
KJSeeker::KJSeeker(const QStringList &i, KJLoader *l) : KJWidget(l), g(0)
{
QString activeBg = backgroundPressed("bmp1");
if(activeBg.isEmpty())
{
kdDebug(66666) << k_funcinfo << "No pressed background found for seeker," <<
" using default background!" << endl;
parent()->image(parser()["backgroundimage"][1]);
}
else
mActive = parent()->image(activeBg);
mScale = parent()->image(parser()["seekimage"][1]);
QImage pixmapNoPress = parent()->image(parser()["backgroundimage"][1]);
// generate transparent mask
int x, y, xs, ys;
x=i[1].toInt();
y=i[2].toInt();
xs=i[3].toInt()-x;
ys=i[4].toInt()-y;
setRect(x,y,xs,ys);
QImage transmask(xs, ys, 1, 2, QImage::LittleEndian);
#if QT_VERSION < 0x030300
transmask.setColor(0, qRgb(0,0,0));
transmask.setColor(1, qRgb(255,255,255));
#else
transmask.setColor(1, qRgb(0,0,0));
transmask.setColor(0, qRgb(255,255,255));
#endif
// clear the pointers
memset(barmodeImages, 0, 256*sizeof(QImage*));
memset(barmode, 0, 256*sizeof(QPixmap*));
// Now do the pixel føking
// kdDebug(66666) << "creating Pixmaps for Seeker" << endl;
for (int iy=y;iy<y+ys; iy++)
{
for (int ix=x;ix<x+xs; ix++)
{
QRgb checkmScale = mScale.pixel(ix, iy);
// am I transparent?
if (!isGray(checkmScale))
{
setPixel1BPP(transmask, ix-x, iy-y, 0);
continue;
}
setPixel1BPP(transmask, ix-x, iy-y, 1);
// what is the level
int level=grayRgb(checkmScale)+1;
if (level>255) level=255;
// allocate the pixmap of the level proper
// copy the color to the surface proper
QRgb activeColor=mActive.pixel(ix,iy);
QRgb inactiveColor=pixmapNoPress.pixel(ix,iy);
// set this pixel and everything before it
for(int i=0; i<level; i++)
{
if (!barmodeImages[i])
barmodeImages[i]=new QImage(xs,ys, 32);
QRgb *l=(QRgb*)barmodeImages[i]->scanLine(iy-y);
l[ix-x]=inactiveColor;
}
do
{
if (!barmodeImages[level])
barmodeImages[level]=new QImage(xs,ys, 32);
QRgb *l=(QRgb*)barmodeImages[level]->scanLine(iy-y);
l[ix-x]=activeColor;
} while (level++<255);
}
}
// kdDebug(66666) << "finished creating Pixmaps" << endl;
// create the blank one
barmode[0]=new QPixmap(xs, ys);
QPixmap px=parent()->pixmap(parser()["backgroundimage"][1]);
bitBlt(barmode[0], 0, 0, &px, x, y, xs, ys, Qt::CopyROP);
px.convertFromImage(transmask);
barModeMask=px;
// kdDebug(66666) << "END KJSeeker constructor" << endl;
}
QPixmap *KJSeeker::toPixmap(int n)
{
if (!barmodeImages[n]) return barmode[n];
barmode[n]=new QPixmap(
barmodeImages[n]->width(),
barmodeImages[n]->height()
);
barmode[n]->convertFromImage(*barmodeImages[n]);
delete barmodeImages[n];
barmodeImages[n]=0;
return barmode[n];
}
KJSeeker::~KJSeeker()
{
for (uint i=0; i<256; i++)
{
if (barmode[i])
delete barmode[i];
if (barmodeImages[i])
delete barmodeImages[i];
}
}
void KJSeeker::paint(QPainter *p, const QRect &)
{
closest();
QPixmap *pixmap = toPixmap(g);
pixmap->setMask(barModeMask);
bitBlt(p->device(), rect().topLeft().x(), rect().topLeft().y(),
pixmap, 0, 0, rect().width(), rect().height(), Qt::CopyROP);
}
bool KJSeeker::mousePress(const QPoint &pos)
{
return (isGray(mScale.pixel(rect().topLeft().x()+pos.x(), rect().topLeft().y()+pos.y())));
}
void KJSeeker::mouseRelease(const QPoint &pos, bool in)
{
int x = rect().topLeft().x()+pos.x();
int y = rect().topLeft().y()+pos.y();
if(napp->player()->isStopped())
return;
if(!mScale.valid(x, y))
return;
QRgb color=mScale.pixel(x, y);
// user released mousebutton outside of the seeker-area (which is gray)
if ( (!isGray(color)) || (!in) )
return;
g = grayRgb(color);
repaint();
// kdDebug(66666) << "length : " << napp->player()->getLength() << endl;
// kdDebug(66666) << "skip to: " << ((long long)g*(long long)napp->player()->getLength())/255 << endl;
// g * titlelength can get REALLY HUGE, that's why I used (long long)
napp->player()->skipTo( ((long long)g*(long long)napp->player()->getLength())/255 );
return;
}
void KJSeeker::timeUpdate(int sec)
{
int length = napp->player()->getLength() / 1000;
if (length<1)
length=1;
if (sec > length)
sec = length;
else if ( sec < 0 )
sec=0;
g = sec * 255 / length;
//kdDebug(66666) << "sec: " << sec << " len: " << length << " g: " << g << endl;
QPainter p(parent());
paint(&p, rect());
}
void KJSeeker::closest()
{
int south=g, north=g;
bool southtried=false, northtried=false;
while (
!barmode[south] && !barmodeImages[south]
&& !barmode[north] && !barmodeImages[north])
{
if (southtried && northtried) { g=0; return; }
south--;
north++;
if (north>255) {northtried=true; north=g;}
if (south<0) {southtried=true; south=g;}
}
if (barmode[south] || barmodeImages[south])
g=south;
else if (barmode[north] || barmodeImages[north])
g=north;
}
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