void MainWindow::on_btnDraw_clicked()
{
QString it = ui->iterations->text();
ui->iterations->setText("");
int n = it.toInt();
QString ang = ui->angle->text();
ui->angle->setText("");
double rangle = ang.toDouble();
if(n>100 || n < 0 || rangle > 180 || rangle < -180)
{
Dialog *about = new Dialog(this); //the parent is this
about->show();
}
else{
scene = new QGraphicsScene(ui->graphicsView);
QLineF qline(0,0,300,0);
scene->addLine(qline);
ui->graphicsView->setScene(scene);
int x2 = qline.x2();
int y2 = qline.y2();
int i = 0;
drawLine(rangle,i,n,x2,y2,qline.length(), qline.angle(), scene);
}
}
bool textCommander::waitNextCommand(void)
{
char line[256];
is_waiting=true;
fprintf(stderr,"Waiting for Command\n");
while(is_waiting && is_in_pipe_open)
{
int len;
fgets(line,255,in_pipe);
QString qline(line);
fprintf(stderr,"%s \n",line);
QStringList args = qline.split(" ");
bool ok;
if (args.length()>=4)
{
QString app=args.at(0);
QString obj_name = args.at(1);
QString slot_name = args.at(2);
int argc = args.at(3).toInt(&ok,10);
if (app==app_name)
{
fprintf(stderr,"Got Cmd: %s\n",line);
if (argc==0)
{
QMetaObject::invokeMethod(
objmap[obj_name],
slot_name.toStdString().c_str(),
Qt::AutoConnection);
}
else if (argc==1)
{
QString argtype = args.at(4);
QString argval = args.at(5);
if (argtype == "int")
{
bool ok;
int ival =argval.toInt(&ok,10);
QMetaObject::invokeMethod(
objmap[obj_name],
slot_name.toStdString().c_str(),
Qt::AutoConnection,
Q_ARG(int,ival) );
}
if (argtype == "double")
{
bool ok;
double dval =argval.toDouble(&ok);
QMetaObject::invokeMethod(
objmap[obj_name],
slot_name.toStdString().c_str(),
Qt::AutoConnection,
Q_ARG(double,dval) );
}
bool ColorSchema::rereadSchemaFile()
{
QString fPath = fRelPath.isEmpty() ? "" : (fRelPath.startsWith("/") ? fRelPath : locate("data", "konsole/"+fRelPath));
if (fPath.isEmpty() || !QFile::exists(fPath))
return false;
//KONSOLEDEBUG << "Rereading schema file " << fPath << endl;
FILE *sysin = fopen(QFile::encodeName(fPath),"r");
if (!sysin)
{
int e = errno;
kdWarning() << "Schema file "
<< fPath
<< " could not be opened ("
<< strerror(e)
<< ")"
<< endl;
return false;
}
char line[100];
*lastRead = QDateTime::currentDateTime();
while (fscanf(sysin,"%80[^\n]\n",line) > 0)
{
if (strlen(line) > 5)
{
if (!strncmp(line,"title",5))
{
m_title = i18n(line+6);
}
if (!strncmp(line,"image",5))
{ char rend[100], path[100]; int attr = 1;
if (sscanf(line,"image %s %s",rend,path) != 2)
continue;
if (!strcmp(rend,"tile" )) attr = 2; else
if (!strcmp(rend,"center")) attr = 3; else
if (!strcmp(rend,"full" )) attr = 4; else
continue;
QString qline(line);
m_imagePath = locate("wallpaper", qline.mid( qline.find(" ",7)+1 ) );
m_alignment = attr;
}
if (!strncmp(line,"transparency",12))
{ float rx;
int rr, rg, rb;
// Transparency needs 4 parameters: fade strength and the 3
// components of the fade color.
if (sscanf(line,"transparency %g %d %d %d",&rx,&rr,&rg,&rb) != 4)
continue;
m_useTransparency=true;
m_tr_x=rx;
m_tr_r=rr;
m_tr_g=rg;
m_tr_b=rb;
}
if (!strncmp(line,"rcolor",6))
{ int fi,ch,cs,cv,tr,bo;
if(sscanf(line,"rcolor %d %d %d %d %d",&fi,&cs,&cv,&tr,&bo) != 5)
continue;
if (!(0 <= fi && fi <= TABLE_COLORS)) continue;
if (random_hue == -1)
random_hue = (KApplication::random()%32) * 11;
ch = random_hue;
if (!(0 <= cs && cs <= 255 )) continue;
if (!(0 <= cv && cv <= 255 )) continue;
if (!(0 <= tr && tr <= 1 )) continue;
if (!(0 <= bo && bo <= 1 )) continue;
m_table[fi].color = QColor();
m_table[fi].color.setHsv(ch,cs,cv);
m_table[fi].transparent = tr;
m_table[fi].bold = bo;
}
if (!strncmp(line,"color",5))
{ int fi,cr,cg,cb,tr,bo;
if(sscanf(line,"color %d %d %d %d %d %d",&fi,&cr,&cg,&cb,&tr,&bo) != 6)
continue;
if (!(0 <= fi && fi <= TABLE_COLORS)) continue;
if (!(0 <= cr && cr <= 255 )) continue;
if (!(0 <= cg && cg <= 255 )) continue;
if (!(0 <= cb && cb <= 255 )) continue;
if (!(0 <= tr && tr <= 1 )) continue;
if (!(0 <= bo && bo <= 1 )) continue;
m_table[fi].color = QColor(cr,cg,cb);
m_table[fi].transparent = tr;
m_table[fi].bold = bo;
}
if (!strncmp(line,"sysfg",5))
{ int fi,tr,bo;
if(sscanf(line,"sysfg %d %d %d",&fi,&tr,&bo) != 3)
continue;
if (!(0 <= fi && fi <= TABLE_COLORS)) continue;
if (!(0 <= tr && tr <= 1 )) continue;
if (!(0 <= bo && bo <= 1 )) continue;
m_table[fi].color = kapp->palette().active().text();
m_table[fi].transparent = tr;
m_table[fi].bold = bo;
}
if (!strncmp(line,"sysbg",5))
{ int fi,tr,bo;
if(sscanf(line,"sysbg %d %d %d",&fi,&tr,&bo) != 3)
continue;
if (!(0 <= fi && fi <= TABLE_COLORS)) continue;
if (!(0 <= tr && tr <= 1 )) continue;
if (!(0 <= bo && bo <= 1 )) continue;
m_table[fi].color = kapp->palette().active().base();
m_table[fi].transparent = tr;
m_table[fi].bold = bo;
}
}
}
fclose(sysin);
m_fileRead=true;
return true;
}
/**
\fn processYuv
*/
uint8_t flyContrast::processYuv(ADMImage* in, ADMImage *out)
{
buildContrastTable (param.coef, param.offset, tableluma, tablechroma);
out->copyInfo(in);
if(!previewActivated)
{
out->copyPlane(in,out,PLANAR_Y);
out->copyPlane(in,out,PLANAR_U);
out->copyPlane(in,out,PLANAR_V);
}
else
{
if(param.doLuma)
doContrast(in,out,tableluma,PLANAR_Y);
else
out->copyPlane(in,out,PLANAR_Y);
if(param.doChromaU)
doContrast(in,out,tablechroma,PLANAR_U);
else
out->copyPlane(in,out,PLANAR_U);
if(param.doChromaV)
doContrast(in,out,tablechroma,PLANAR_V);
else
out->copyPlane(in,out,PLANAR_V);
}
if(!scene) return true;
// Draw luma histogram
uint8_t *luma=out->GetReadPtr(PLANAR_Y);
int stride=out->GetPitch(PLANAR_Y);
int decimate=4;
double sumsum[256];
for(int i=0;i<256;i++) sumsum[i]=0;
double totalSum=(double)(out->_width*out->_height)/decimate; // # of sampling points
for(int y=0;y<in->_height;y+=decimate)
{
uint8_t *p=luma;
for(int x=0;x<in->_width;x++)
{
sumsum[*p]++;
p++;
}
luma+=stride*decimate;
}
// normalize
for(int i=0;i<256;i++)
{
// zoom factor =10
sumsum[i]=(10*sumsum[i]*(127))/totalSum;
if(sumsum[i]>127) sumsum[i]=127;
}
int toggle=0;
scene->clear();
for(int i=0;i<256;i++)
{
QLineF qline(i,127,i,127-sumsum[i]);
scene->addLine(qline);
}
// Draw 16 and 235 line
QLineF qline(16,100,16,126);
scene->addLine(qline);
QLineF qline2(235,100,235,126);
scene->addLine(qline2);
return 1;
}
