Changeset 115 for trunk/src/gui/painting/qwindowsurface_raster.cpp

Timestamp:

Aug 17, 2009, 7:06:32 AM (16 years ago)

Author:

Dmitry A. Kuminov

Message:

gui: Added OS/2 support to QRasterWindowSurface and to QNativeImage (this gives us rendering of the widget contents in double-buffer mode).

File:

• trunk/src/gui/painting/qwindowsurface_raster.cpp (modified) (1 diff)

trunk/src/gui/painting/qwindowsurface_raster.cpp

@@ -199 +199 @@
 #endif
 
+#endif
+
+#ifdef Q_WS_PM
+    QRect br = rgn.boundingRect();
+#if 1
+    qDebug("QRasterWindowSurface::flush: [%s] br=%d,%d/%d,%d",
+           QWidgetPrivate::name(widget).constData(),
+           br.x(), br.y(), br.width(), br.height());
+#endif
+
+    HPS wps = widget->getPS();
+
+    // use the reflection + transformation matrix to flip the y axis
+    // @todo check if it's really slower than flipping the image bits instead
+    // @todo I guess we can use DIVE here; check it too
+    MATRIXLF m;
+    m.fxM11 = MAKEFIXED(1, 0);
+    m.fxM12 = 0;
+    m.lM13 = 0;
+    m.fxM21 = 0;
+    m.fxM22 = MAKEFIXED(-1, 0);
+    m.lM23 = 0;
+    m.lM31 = 0;
+    m.lM32 = widget->height() - 1;
+    GpiSetDefaultViewMatrix(wps, 8, &m, TRANSFORM_REPLACE);
+
+    QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();
+    QRect wbr = br.translated(-wOffset);
+
+    br.translate(offset);
+
+    BITMAPINFOHEADER2 bmh;
+    memset(&bmh, 0, sizeof(BITMAPINFOHEADER2));
+    bmh.cbFix = sizeof(BITMAPINFOHEADER2);
+    bmh.cPlanes = 1;
+    bmh.cBitCount = 32; // @todo support 8-bit indexed colors?
+    bmh.cx = d->image->width();
+    bmh.cy = d->image->height();
+
+    // Note: target is inclusive-inclusive, source is inclusive-exclusive
+    POINTL ptls[] = { { wbr.left(), wbr.top() },
+                      { wbr.right(), wbr.bottom() },
+                      { br.left(), br.top() },
+                      { br.right() + 1, br.bottom() + 1 } };
+    GpiDrawBits(wps, (PVOID) d->image->image.bits(), (PBITMAPINFO2) &bmh, 4, ptls,
+                ROP_SRCCOPY, BBO_IGNORE);
+
+    widget->releasePS(wps);
 #endif