do unlock thread before send signal
[enigma2.git] / lib / gdi / grc.cpp
index 1f5cdfb..de6761e 100644 (file)
@@ -1,4 +1,5 @@
 // for debugging use:
+// #define SYNC_PAINT
 #include <unistd.h>
 #ifndef SYNC_PAINT
 #include <pthread.h>
@@ -62,8 +63,7 @@ void gRC::submit(const gOpcode &o)
 #ifndef SYNC_PAINT
                pthread_mutex_lock(&mutex);
 #endif
-               int tmp=wp;
-               tmp+=1;
+               int tmp=wp+1;
                if ( tmp == MAXSIZE )
                        tmp=0;
                if ( tmp == rp )
@@ -84,10 +84,10 @@ void gRC::submit(const gOpcode &o)
                queue[wp++]=o;
                if ( wp == MAXSIZE )
                        wp = 0;
+               pthread_mutex_unlock(&mutex);
                if (o.opcode==gOpcode::flush||o.opcode==gOpcode::shutdown||o.opcode==gOpcode::notify)
 #ifndef SYNC_PAINT
                        pthread_cond_signal(&cond);  // wakeup gdi thread
-               pthread_mutex_unlock(&mutex);
 #else
                        thread(); // paint
 #endif
@@ -101,23 +101,23 @@ void *gRC::thread()
 #ifndef SYNC_PAINT
        while (1)
        {
-               singleLock s(mutex);
 #else
        while (rp != wp)
        {
 #endif
+               pthread_mutex_lock(&mutex);
                if ( rp != wp )
                {
-                       gOpcode& o(queue[rp]);
+                       gOpcode o(queue[rp++]);
+                       if ( rp == MAXSIZE )
+                               rp=0;
+                       pthread_mutex_unlock(&mutex);
                        if (o.opcode==gOpcode::shutdown)
                                break;
                        else if (o.opcode==gOpcode::notify)
                                need_notify = 1;
                        else
                                o.dc->exec(&o);
-                       rp++;
-                       if ( rp == MAXSIZE )
-                               rp=0;
                }
                else
                {
@@ -164,62 +164,74 @@ gPainter::~gPainter()
 
 void gPainter::setBackgroundColor(const gColor &color)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode = gOpcode::setBackgroundColor;
        o.dc = m_dc.grabRef();
        o.parm.setColor = new gOpcode::para::psetColor;
        o.parm.setColor->color = color;
-       
+
        m_rc->submit(o);
 }
 
 void gPainter::setForegroundColor(const gColor &color)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode = gOpcode::setForegroundColor;
        o.dc = m_dc.grabRef();
        o.parm.setColor = new gOpcode::para::psetColor;
        o.parm.setColor->color = color;
-       
+
        m_rc->submit(o);
 }
 
 void gPainter::setBackgroundColor(const gRGB &color)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode = gOpcode::setBackgroundColorRGB;
        o.dc = m_dc.grabRef();
        o.parm.setColorRGB = new gOpcode::para::psetColorRGB;
        o.parm.setColorRGB->color = color;
-       
+
        m_rc->submit(o);
 }
 
 void gPainter::setForegroundColor(const gRGB &color)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode = gOpcode::setForegroundColorRGB;
        o.dc = m_dc.grabRef();
        o.parm.setColorRGB = new gOpcode::para::psetColorRGB;
        o.parm.setColorRGB->color = color;
-       
+
        m_rc->submit(o);
 }
 
 void gPainter::setFont(gFont *font)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode = gOpcode::setFont;
        o.dc = m_dc.grabRef();
        font->AddRef();
        o.parm.setFont = new gOpcode::para::psetFont;
        o.parm.setFont->font = font;
-       
+
        m_rc->submit(o);
 }
 
 void gPainter::renderText(const eRect &pos, const std::string &string, int flags)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode=gOpcode::renderText;
        o.dc = m_dc.grabRef();
@@ -232,6 +244,8 @@ void gPainter::renderText(const eRect &pos, const std::string &string, int flags
 
 void gPainter::renderPara(eTextPara *para, ePoint offset)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode=gOpcode::renderPara;
        o.dc = m_dc.grabRef();
@@ -245,6 +259,8 @@ void gPainter::renderPara(eTextPara *para, ePoint offset)
 
 void gPainter::fill(const eRect &area)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode=gOpcode::fill;
 
@@ -256,6 +272,8 @@ void gPainter::fill(const eRect &area)
 
 void gPainter::fill(const gRegion &region)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode=gOpcode::fillRegion;
 
@@ -267,6 +285,8 @@ void gPainter::fill(const gRegion &region)
 
 void gPainter::clear()
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode=gOpcode::clear;
        o.dc = m_dc.grabRef();
@@ -277,10 +297,12 @@ void gPainter::clear()
 
 void gPainter::blit(gPixmap *pixmap, ePoint pos, const eRect &clip, int flags)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
-       
+
        ASSERT(pixmap);
-       
+
        o.opcode=gOpcode::blit;
        o.dc = m_dc.grabRef();
        pixmap->AddRef();
@@ -295,14 +317,16 @@ void gPainter::blit(gPixmap *pixmap, ePoint pos, const eRect &clip, int flags)
 
 void gPainter::setPalette(gRGB *colors, int start, int len)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode=gOpcode::setPalette;
        o.dc = m_dc.grabRef();
        gPalette *p=new gPalette;
-       
+
        o.parm.setPalette = new gOpcode::para::psetPalette;
        p->data=new gRGB[len];
-       
+
        memcpy(p->data, colors, len*sizeof(gRGB));
        p->start=start;
        p->colors=len;
@@ -318,6 +342,8 @@ void gPainter::setPalette(gPixmap *source)
 
 void gPainter::mergePalette(gPixmap *target)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode = gOpcode::mergePalette;
        o.dc = m_dc.grabRef();
@@ -329,6 +355,8 @@ void gPainter::mergePalette(gPixmap *target)
 
 void gPainter::line(ePoint start, ePoint end)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode=gOpcode::line;
        o.dc = m_dc.grabRef();
@@ -340,6 +368,8 @@ void gPainter::line(ePoint start, ePoint end)
 
 void gPainter::setOffset(ePoint val)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode=gOpcode::setOffset;
        o.dc = m_dc.grabRef();
@@ -351,6 +381,8 @@ void gPainter::setOffset(ePoint val)
 
 void gPainter::moveOffset(ePoint rel)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode=gOpcode::setOffset;
        o.dc = m_dc.grabRef();
@@ -362,6 +394,8 @@ void gPainter::moveOffset(ePoint rel)
 
 void gPainter::resetOffset()
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode=gOpcode::setOffset;
        o.dc = m_dc.grabRef();
@@ -373,6 +407,8 @@ void gPainter::resetOffset()
 
 void gPainter::resetClip(const gRegion &region)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode = gOpcode::setClip;
        o.dc = m_dc.grabRef();
@@ -383,6 +419,8 @@ void gPainter::resetClip(const gRegion &region)
 
 void gPainter::clip(const gRegion &region)
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode = gOpcode::addClip;
        o.dc = m_dc.grabRef();
@@ -393,6 +431,8 @@ void gPainter::clip(const gRegion &region)
 
 void gPainter::clippop()
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode = gOpcode::popClip;
        o.dc = m_dc.grabRef();
@@ -401,6 +441,8 @@ void gPainter::clippop()
 
 void gPainter::flush()
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode = gOpcode::flush;
        o.dc = m_dc.grabRef();
@@ -409,6 +451,8 @@ void gPainter::flush()
 
 void gPainter::waitVSync()
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode = gOpcode::waitVSync;
        o.dc = m_dc.grabRef();
@@ -417,6 +461,8 @@ void gPainter::waitVSync()
 
 void gPainter::flip()
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode = gOpcode::flip;
        o.dc = m_dc.grabRef();
@@ -425,6 +471,8 @@ void gPainter::flip()
 
 void gPainter::notify()
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode = gOpcode::notify;
        o.dc = m_dc.grabRef();
@@ -433,6 +481,8 @@ void gPainter::notify()
 
 void gPainter::end()
 {
+       if ( m_dc->islocked() )
+               return;
        gOpcode o;
        o.opcode = gOpcode::flush;
        o.dc = m_dc.grabRef();
@@ -496,7 +546,7 @@ void gDC::exec(gOpcode *o)
                if (o->parm.renderText->flags & gPainter::RT_VALIGN_CENTER)
                {
                        eRect bbox = para->getBoundBox();
-                       int vcentered_top = (o->parm.renderText->area.height() - bbox.height()) / 2;
+                       int vcentered_top = o->parm.renderText->area.top() + ((o->parm.renderText->area.height() - bbox.height()) / 2);
                        int correction = vcentered_top - bbox.top();
                        offset += ePoint(0, correction);
                }