From 114c26e88f3814bc9d864faa0b46b00c19b8513b Mon Sep 17 00:00:00 2001
From: Timothy Pearson <kb9vqf@pearsoncomputing.net>
Date: Mon, 19 Nov 2012 02:10:46 -0600
Subject: Add GtkSwitch support Speed up drawing operations on newer GTK/Cairo
 versions

---
 tdegtk/tqtcairopainter.cpp | 37 ++++++++++++++++++++++++++++++-------
 1 file changed, 30 insertions(+), 7 deletions(-)

(limited to 'tdegtk/tqtcairopainter.cpp')

diff --git a/tdegtk/tqtcairopainter.cpp b/tdegtk/tqtcairopainter.cpp
index 9c7d010..a2867f0 100644
--- a/tdegtk/tqtcairopainter.cpp
+++ b/tdegtk/tqtcairopainter.cpp
@@ -381,6 +381,8 @@ void TQt3CairoPaintDevice::transferIntermediateSurface() {
 	cairo_set_source_rgba(m_painter, 0.0, 0.0, 0.0, 0.0);
 	cairo_paint(m_painter);
 	cairo_restore(m_painter);
+
+	m_transferNeeded = false;
 }
 
 void TQt3CairoPaintDevice::dualStrokePen() {
@@ -394,7 +396,7 @@ void TQt3CairoPaintDevice::dualStrokePen() {
 	// Draw foreground
 	updatePen(FALSE);
 	cairo_stroke(m_painter);
-	transferIntermediateSurface();
+	m_transferNeeded = true;
 }
 
 void TQt3CairoPaintDevice::dualStrokeBrush(cairo_fill_rule_t fillMethod) {
@@ -408,7 +410,7 @@ void TQt3CairoPaintDevice::dualStrokeBrush(cairo_fill_rule_t fillMethod) {
 	// Draw foreground
 	updateBrush(FALSE, fillMethod);
 	cairo_fill(m_painter);
-	transferIntermediateSurface();
+	m_transferNeeded = true;
 }
 
 void TQt3CairoPaintDevice::updatePen(bool backgroundStroke) {
@@ -989,7 +991,7 @@ void TQt3CairoPaintDevice::drawText(TQPainter *p, int x, int y, const TQString &
 
 	g_object_unref(layout);
 
-	transferIntermediateSurface();
+	m_transferNeeded = true;
 }
 
 void TQt3CairoPaintDevice::drawTextInRect(TQPainter *p, TQRect rect, int textFlags, const TQString &str) {
@@ -1084,7 +1086,7 @@ void TQt3CairoPaintDevice::drawTextInRect(TQPainter *p, TQRect rect, int textFla
 
 	g_object_unref(layout);
 
-	transferIntermediateSurface();
+	m_transferNeeded = true;
 }
 
 void TQt3CairoPaintDevice::setCairoTransformations(cairo_t* cr, bool forceDisable) {
@@ -1186,6 +1188,8 @@ void TQt3CairoPaintDevice::init() {
 	m_overridePainter = NULL;
 	m_tabStops = NULL;
 	m_tabStopArray = NULL;
+
+	m_transferNeeded = false;
 }
 
 void TQt3CairoPaintDevice::updateSurfaceDimensions() const {
@@ -1253,7 +1257,7 @@ bool TQt3CairoPaintDevice::cmd( int c, TQPainter *pt, TQPDevCmdParam *p )
 				cairo_stroke(m_painter);
 			}
 			cairo_restore(m_painter);
-			transferIntermediateSurface();
+			m_transferNeeded = true;
 		}
 		break;
 	    case PdcMoveTo:
@@ -1485,7 +1489,7 @@ bool TQt3CairoPaintDevice::cmd( int c, TQPainter *pt, TQPDevCmdParam *p )
 				cairo_surface_destroy(sourceSurface);
 			}
 			cairo_restore(m_painter);
-			transferIntermediateSurface();
+			m_transferNeeded = true;
 		}
 		break;
 	    case PdcDrawImage:
@@ -1501,11 +1505,12 @@ bool TQt3CairoPaintDevice::cmd( int c, TQPainter *pt, TQPDevCmdParam *p )
 				cairo_surface_destroy(sourceSurface);
 			}
 			cairo_restore(m_painter);
-			transferIntermediateSurface();
+			m_transferNeeded = true;
 		}
 		break;
 	    case PdcBegin:
 		if (!m_painter) {
+			m_transferNeeded = false;
 			m_bgColor = TQColor(0,0,0);
 			m_bgColorMode = TQt::TransparentMode;
 			resetIntermediateSurface();
@@ -1536,6 +1541,9 @@ bool TQt3CairoPaintDevice::cmd( int c, TQPainter *pt, TQPDevCmdParam *p )
 		break;
 	    case PdcEnd:
 		if (m_painter) {
+			if (m_transferNeeded) {
+				transferIntermediateSurface();
+			}
 			cairo_destroy(m_painter);
 			m_painter = NULL;
 		}
@@ -1567,6 +1575,10 @@ bool TQt3CairoPaintDevice::cmd( int c, TQPainter *pt, TQPDevCmdParam *p )
 		break;
 	    case PdcSetROP:
 		if ((p) && (m_painter)) {
+			if (m_transferNeeded) {
+				transferIntermediateSurface();
+			}
+
 			TQt::RasterOp rop = (TQt::RasterOp)p[0].ival;
 			m_rop = rop;
 		}
@@ -1726,11 +1738,17 @@ bool TQt3CairoPaintDevice::cmd( int c, TQPainter *pt, TQPDevCmdParam *p )
 		break;
 	    case PdcSetClip:
 		if ((p) && (m_painter)) {
+			if (m_transferNeeded) {
+				transferIntermediateSurface();
+			}
 			m_clipRegionEnabled = p[0].ival;
 		}
 		break;
 	    case PdcSetClipRegion:
 		if ((p) && (m_painter)) {
+			if (m_transferNeeded) {
+				transferIntermediateSurface();
+			}
 			// SLOW
 			TQRect tqt3br = p[0].rgn->boundingRect();
 			if (!tqt3br.isNull()) {
@@ -1751,6 +1769,11 @@ bool TQt3CairoPaintDevice::cmd( int c, TQPainter *pt, TQPDevCmdParam *p )
 			}
 		}
 		break;
+	    case PdcFlush:
+	    case PdcFlushRegion:
+		if (m_transferNeeded) {
+			transferIntermediateSurface();
+		}
 	    default:
 #if defined(QT_CHECK_RANGE)
 		tqWarning( "TQt3CairoPaintDevice::cmd: Invalid command %d", c );
-- 
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