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#include "textscroller.h"
void cTextScroll::SetText(const char *text, cRect position, tColor colorFg, tColor colorBg, cFont *font, tColor colorExtraTextFg) {
if( Osd == NULL )
return;
Text = text;
Font = font;
Position = position;
ColorFg = colorFg; ColorBg = colorBg; ColorExtraTextFg = colorExtraTextFg;
cRect drawPort(0, 0, font->Width(Text.c_str()), Position.Height());
if( Osd && Pixmap )
Osd->DestroyPixmap(Pixmap);
Pixmap = Osd->CreatePixmap(Layer, Position, drawPort);
dsyslog("skinflatplus: TextScrollerPixmap left: %d top: %d width: %d height: %d", Position.Left(), Position.Top(), Position.Width(), Position.Height());
dsyslog("skinflatplus: TextScrollerPixmap drawPort left: %d top: %d width: %d height: %d", drawPort.Left(), drawPort.Top(), drawPort.Width(), drawPort.Height());
Pixmap->Fill( colorBg );
Draw();
}
void cTextScroll::UpdateViewPortWidth(int w) {
cRect viewPort = Pixmap->ViewPort();
viewPort.SetWidth(viewPort.Width() - w);
Pixmap->SetViewPort(viewPort);
}
void cTextScroll::Reset(void) {
if( !Pixmap )
return;
Pixmap->SetDrawPortPoint(cPoint(0, 0));
waitSteps = WAITSTEPS;
}
void cTextScroll::Draw(void) {
if( !Pixmap )
return;
if( ColorExtraTextFg ) {
std::string tilde = Text;
size_t found = tilde.find(" ~ ");
size_t found2 = tilde.find("~");
if( found != std::string::npos ) {
std::string first = tilde.substr(0, found);
std::string second = tilde.substr(found +2, tilde.length() );
Pixmap->DrawText(cPoint(0, 0), first.c_str(), ColorFg, ColorBg, Font);
int l = Font->Width( first.c_str() );
Pixmap->DrawText(cPoint(l, 0), second.c_str(), ColorExtraTextFg, ColorBg, Font);
} else if ( found2 != std::string::npos ) {
std::string first = tilde.substr(0, found2);
std::string second = tilde.substr(found2 +1, tilde.length() );
Pixmap->DrawText(cPoint(0, 0), first.c_str(), ColorFg, ColorBg, Font);
int l = Font->Width( first.c_str() );
l += Font->Width("X");
Pixmap->DrawText(cPoint(l, 0), second.c_str(), ColorExtraTextFg, ColorBg, Font);
} else
Pixmap->DrawText(cPoint(0, 0), Text.c_str(), ColorFg, ColorBg, Font);
} else {
Pixmap->DrawText(cPoint(0, 0), Text.c_str(), ColorFg, ColorBg, Font);
}
}
void cTextScroll::DoStep(void) {
if( !Pixmap )
return;
// wait at the beginning for better read
if( waitSteps > 0 ) {
waitSteps--;
return;
}
// wait after return to the front
if( ResetX ) {
ResetX = false;
Pixmap->SetDrawPortPoint(cPoint(0, 0));
waitSteps = WAITSTEPS;
return;
}
int drawPortX = Pixmap->DrawPort().X();
if( isReserveStep )
drawPortX += PixelsPerStep;
else
drawPortX -= PixelsPerStep;
int maxX = Pixmap->DrawPort().Width() - Pixmap->ViewPort().Width();
maxX *= -1;
if( ScrollType == 0 ) {
if( drawPortX <= maxX ) {
drawPortX += PixelsPerStep;
ResetX = true;
waitSteps = WAITSTEPS;
}
} else if( ScrollType == 1 ) {
if( drawPortX <= maxX ) {
isReserveStep = true;
waitSteps = WAITSTEPS;
} else if( drawPortX > 0 ) {
isReserveStep = false;
waitSteps = WAITSTEPS;
}
}
Pixmap->SetDrawPortPoint(cPoint(drawPortX, 0));
}
cTextScrollers::cTextScrollers() {
Layer = 2;
}
cTextScrollers::~cTextScrollers() {
}
void cTextScrollers::Clear(void) {
Cancel(-1);
while( Active() )
cCondWait::SleepMs(10);
std::vector<cTextScroll *>::iterator it;
for( it = Scrollers.begin(); it != Scrollers.end(); it++) {
delete *it;
}
Scrollers.clear();
}
void cTextScrollers::AddScroller(const char *text, cRect position, tColor colorFg, tColor colorBg, cFont *font, tColor ColorExtraTextFg) {
Cancel(-1);
while( Active() )
cCondWait::SleepMs(10);
Scrollers.push_back( new cTextScroll(Osd, scrollType, scrollStep, (int)((double)WAITDELAY / (double)scrollDelay), Layer) );
Scrollers.back()->SetText(text, position, colorFg, colorBg, font, ColorExtraTextFg);
StartScrolling();
}
void cTextScrollers::UpdateViewPortWidth(int w) {
std::vector<cTextScroll *>::iterator it;
for( it = Scrollers.begin(); it != Scrollers.end(); it++) {
cPixmap::Lock();
(*it)->UpdateViewPortWidth(w);
cPixmap::Unlock();
}
}
void cTextScrollers::StartScrolling(void) {
if( !Running() && Scrollers.size() > 0 ) {
Start();
}
}
void cTextScrollers::Action(void) {
// wait 1 second so the osd is finished
for(int i = 0; i < 100 && Running(); i++ ) {
cCondWait::SleepMs(10);
}
if( !Running() )
return;
std::vector<cTextScroll *>::iterator it;
for( it = Scrollers.begin(); it != Scrollers.end(); it++) {
if( !Running() )
return;
cPixmap::Lock();
(*it)->Reset();
cPixmap::Unlock();
}
while( Running() ) {
if (Running())
cCondWait::SleepMs(scrollDelay);
std::vector<cTextScroll *>::iterator it;
for( it = Scrollers.begin(); it != Scrollers.end(); it++) {
if( !Running() )
return;
cPixmap::Lock();
(*it)->DoStep();
cPixmap::Unlock();
}
if( Running() )
Osd->Flush();
}
}
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