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-rw-r--r--tdegtk/tqtcairopainter.cpp126
1 files changed, 104 insertions, 22 deletions
diff --git a/tdegtk/tqtcairopainter.cpp b/tdegtk/tqtcairopainter.cpp
index 05e9a0a..2f16d11 100644
--- a/tdegtk/tqtcairopainter.cpp
+++ b/tdegtk/tqtcairopainter.cpp
@@ -680,6 +680,23 @@ void TQt3CairoPaintDevice::drawText(TQPainter *p, int x, int y, const TQString &
g_object_unref(layout);
}
+void TQt3CairoPaintDevice::setCairoTransformations() {
+ cairo_matrix_t combinedMatrix;
+ cairo_matrix_t tempMatrix;
+
+ cairo_matrix_init_identity(&combinedMatrix);
+ if (m_worldMatrixEnabled) {
+ cairo_matrix_multiply(&tempMatrix, &combinedMatrix, &m_worldMatrix);
+ combinedMatrix = tempMatrix;
+ }
+ if (m_viewportMatrixEnabled) {
+ cairo_matrix_multiply(&tempMatrix, &combinedMatrix, &m_viewportMatrix);
+ combinedMatrix = tempMatrix;
+ }
+
+ cairo_set_matrix(m_painter, &combinedMatrix);
+}
+
/*!
\class TQt3CairoPaintDevice tdeqt4painter.h
\brief The TQt3CairoPaintDevice class is a paint device that translates
@@ -927,13 +944,20 @@ bool TQt3CairoPaintDevice::cmd( int c, TQPainter *pt, TQPDevCmdParam *p )
cairo_restore(m_painter);
}
break;
-#if 0
case PdcDrawText:
- // NOTE
- // drawText baseline = FALSE for this!
- m_qt4painter->drawText( qt4point1, qt4string );
+ if (m_painter) {
+ cairo_save(m_painter);
+ if (p) {
+ TQString string = *p[1].str;
+ drawText(pt, p[0].rect->x()+CAIRO_PIXEL_OFFSET, p[0].rect->y()+CAIRO_PIXEL_OFFSET, string, 0, -1, TQPainter::Auto, TRUE);
+ }
+ cairo_restore(m_painter);
+ }
break;
+#if 0
case PdcDrawTextFormatted:
+ // NOTE
+ // Unlike PdcDrawText and PdcDrawText2, PdcDrawTextFormatted and PdcDrawText2Formatted do NOT use the baseline as the Y position coordinate!
m_qt4painter->drawText( qt4rect, qt4formattedtextflags, qt4string );
break;
#endif
@@ -944,14 +968,27 @@ bool TQt3CairoPaintDevice::cmd( int c, TQPainter *pt, TQPDevCmdParam *p )
TQString string = *p[1].str;
drawText(pt, p[0].rect->x()+CAIRO_PIXEL_OFFSET, p[0].rect->y()+CAIRO_PIXEL_OFFSET, string, 0, -1, TQPainter::Auto, TRUE);
}
+ cairo_restore(m_painter);
}
break;
#if 0
case PdcDrawText2Formatted:
m_qt4painter->drawText( qt4rect, qt4formattedtextflags, qt4string );
break;
+#endif
case PdcDrawPixmap:
- m_qt4painter->drawPixmap( qt4rect, qt4pixmap );
+ if (m_painter) {
+ cairo_save(m_painter);
+ if (p) {
+ TQImage sourceImage = p[1].pixmap->convertToImage();
+ cairo_surface_t* sourceSurface = TQImageToCairoSurface(sourceImage);
+ cairo_rectangle(m_painter, p[0].rect->x(), p[0].rect->y(), p[0].rect->width(), p[0].rect->height());
+ cairo_set_source_surface(m_painter, sourceSurface, p[0].rect->x(), p[0].rect->y());
+ cairo_fill(m_painter);
+ cairo_surface_destroy(sourceSurface);
+ }
+ cairo_restore(m_painter);
+ }
break;
#if 0
case PdcDrawImage: {
@@ -966,7 +1003,6 @@ bool TQt3CairoPaintDevice::cmd( int c, TQPainter *pt, TQPDevCmdParam *p )
}
break;
#endif
-#endif
case PdcBegin:
if (!m_painter) {
m_bgColor = TQColor(0,0,0);
@@ -975,6 +1011,11 @@ bool TQt3CairoPaintDevice::cmd( int c, TQPainter *pt, TQPDevCmdParam *p )
m_pen = TQPen();
m_brush = TQBrush();
m_brushOrigin = TQPoint(0,0);
+ m_worldMatrixEnabled = false;
+ m_viewportMatrixEnabled = false;
+ cairo_matrix_init_identity(&m_worldMatrix);
+ cairo_matrix_init_identity(&m_viewportMatrix);
+ setCairoTransformations();
}
break;
case PdcEnd:
@@ -1098,7 +1139,6 @@ bool TQt3CairoPaintDevice::cmd( int c, TQPainter *pt, TQPDevCmdParam *p )
}
break;
#if 0
-#if 0
case PdcSetTabStops:
s >> i_16;
painter->setTabStops( i_16 );
@@ -1118,32 +1158,74 @@ bool TQt3CairoPaintDevice::cmd( int c, TQPainter *pt, TQPDevCmdParam *p )
delete [] ta;
}
break;
- case PdcSetVXform:
- s >> i_8;
-#ifndef QT_NO_TRANSFORMATIONS
- painter->setViewXForm( i_8 );
#endif
+ case PdcSetVXform:
+ if ((p) && (m_painter)) {
+ m_viewportMatrixEnabled = p[0].ival;
+ setCairoTransformations();
+ }
break;
case PdcSetWindow:
- s >> r;
-#ifndef QT_NO_TRANSFORMATIONS
- painter->setWindow( r );
-#endif
+ if ((p) && (m_painter) && (pt)) {
+ TQRect viewportRect = pt->viewport();
+ int wx = p[0].rect->x();
+ int wy = p[0].rect->y();
+ int ww = p[0].rect->width();
+ int wh = p[0].rect->height();
+ int vx = viewportRect.x();
+ int vy = viewportRect.y();
+ int vw = viewportRect.width();
+ int vh = viewportRect.height();
+ double scaleW = (double)vw/(double)ww;
+ double scaleH = (double)vh/(double)wh;
+ cairo_matrix_init(&m_viewportMatrix, scaleW, 0, 0, scaleH, vx - wx*scaleW, vy - wy*scaleH);
+ setCairoTransformations();
+ }
break;
case PdcSetViewport:
- s >> r;
-#ifndef QT_NO_TRANSFORMATIONS
- painter->setViewport( r );
-#endif
+ if ((p) && (m_painter) && (pt)) {
+ TQRect windowRect = pt->window();
+ int wx = windowRect.x();
+ int wy = windowRect.y();
+ int ww = windowRect.width();
+ int wh = windowRect.height();
+ int vx = p[0].rect->x();
+ int vy = p[0].rect->y();
+ int vw = p[0].rect->width();
+ int vh = p[0].rect->height();
+ double scaleW = (double)vw/(double)ww;
+ double scaleH = (double)vh/(double)wh;
+ cairo_matrix_init(&m_viewportMatrix, scaleW, 0, 0, scaleH, vx - wx*scaleW, vy - wy*scaleH);
+ setCairoTransformations();
+ }
break;
-#endif
case PdcSetWXform:
- m_qt4painter->setWorldMatrixEnabled( p[0].ival );
+ if ((p) && (m_painter)) {
+ m_worldMatrixEnabled = p[0].ival;
+ setCairoTransformations();
+ }
break;
case PdcSetWMatrix:
- m_qt4painter->setWorldMatrix( qt4matrix, p[1].ival );
+ if ((p) && (m_painter)) {
+ const TQWMatrix* tqt3matrix = p[0].matrix;
+ if (tqt3matrix) {
+ if (p[1].ival) {
+ // Combine
+ cairo_matrix_t new_matrix;
+ cairo_matrix_t original_matrix = m_worldMatrix;
+ cairo_matrix_init(&new_matrix, tqt3matrix->m11(), tqt3matrix->m12(), tqt3matrix->m21(), tqt3matrix->m22(), tqt3matrix->dx(), tqt3matrix->dy());
+ cairo_matrix_multiply(&m_worldMatrix, &original_matrix, &new_matrix);
+ }
+ else {
+ // Replace
+ cairo_matrix_init(&m_worldMatrix, tqt3matrix->m11(), tqt3matrix->m12(), tqt3matrix->m21(), tqt3matrix->m22(), tqt3matrix->dx(), tqt3matrix->dy());
+ }
+ setCairoTransformations();
+ }
+ }
break;
#if 0
+#if 0
#ifndef QT_NO_TRANSFORMATIONS
case PdcSaveWMatrix:
painter->saveWorldMatrix();
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-22 14:22:31 +0000