1 files changed, 114 insertions, 0 deletions
diff --git a/src/plugins/platforms/directfb/qdirectfbblitter.cpp b/src/plugins/platforms/directfb/qdirectfbblitter.cpp
new file mode 100644
index 0000000..15bb18b
--- /dev/null
+++ b/src/plugins/platforms/directfb/qdirectfbblitter.cpp
@@ -0,0 +1,114 @@
+#include "qdirectfbblitter.h"
+#include "qdirectfbconvenience.h"
+
+#include <QtGui/private/qpixmap_blitter_p.h>
+
+#include <QDebug>
+
+#include <directfb.h>
+
+QDirectFbBlitter::QDirectFbBlitter(const QSize &rect, IDirectFBSurface *surface)
+        : QBlittable(rect, QBlittable::Capabilities(QBlittable::SolidRectCapability
+                                                          |QBlittable::SourcePixmapCapability
+                                                          |QBlittable::SourceOverPixmapCapability
+                                                          |QBlittable::SourceOverScaledPixmapCapability))
+{
+    if (surface) {
+        m_surface = surface;
+    } else {
+        DFBSurfaceDescription surfaceDesc;
+        memset(&surfaceDesc,0,sizeof(DFBSurfaceDescription));
+        surfaceDesc.width = rect.width();
+        surfaceDesc.height = rect.height();
+        surfaceDesc.caps = DSCAPS_PREMULTIPLIED;
+        surfaceDesc.pixelformat = DSPF_ARGB;
+        surfaceDesc.flags = DFBSurfaceDescriptionFlags(DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_CAPS | DSDESC_PIXELFORMAT);
+
+        IDirectFB *dfb = QDirectFbConvenience::dfbInterface();
+        dfb->CreateSurface(dfb,&surfaceDesc, &m_surface);
+        m_surface->Clear(m_surface,0,0,0,0);
+    }
+
+}
+
+QDirectFbBlitter::~QDirectFbBlitter()
+{
+    unlock();
+    m_surface->Release(m_surface);
+}
+
+void QDirectFbBlitter::fillRect(const QRectF &rect, const QColor &color)
+{
+    m_surface->SetColor(m_surface, color.red(), color.green(), color.blue(), color.alpha());
+//    When the blitter api supports non opaque blits, also remember to change
+//    qpixmap_blitter.cpp::fill
+//    DFBSurfaceDrawingFlags drawingFlags = color.alpha() ? DSDRAW_BLEND : DSDRAW_NOFX;
+//    m_surface->SetDrawingFlags(m_surface, drawingFlags);
+    m_surface->SetDrawingFlags(m_surface, DSDRAW_NOFX);
+    m_surface->FillRectangle(m_surface, rect.x(), rect.y(),
+                              rect.width(), rect.height());
+}
+
+void QDirectFbBlitter::drawPixmap(const QRectF &rect, const QPixmap &pixmap, const QRectF &srcRect)
+{
+    QPixmapData *data = pixmap.pixmapData();
+    Q_ASSERT(data->width() && data->height());
+    Q_ASSERT(data->classId() == QPixmapData::BlitterClass);
+    QBlittablePixmapData *blitPm = static_cast<QBlittablePixmapData*>(data);
+    QDirectFbBlitter *dfbBlitter = static_cast<QDirectFbBlitter *>(blitPm->blittable());
+    dfbBlitter->unlock();
+
+    IDirectFBSurface *s = dfbBlitter->m_surface;
+
+    DFBSurfaceBlittingFlags blittingFlags = DSBLIT_NOFX;
+    DFBSurfacePorterDuffRule porterDuff = DSPD_SRC;
+    if (pixmap.hasAlpha()) {
+        blittingFlags = DSBLIT_BLEND_ALPHACHANNEL;
+        porterDuff = DSPD_SRC_OVER;
+    }
+
+    m_surface->SetBlittingFlags(m_surface, DFBSurfaceBlittingFlags(blittingFlags));
+    m_surface->SetPorterDuff(m_surface,porterDuff);
+    m_surface->SetDstBlendFunction(m_surface,DSBF_INVSRCALPHA);
+
+    const DFBRectangle sRect = { srcRect.x(), srcRect.y(), srcRect.width(), srcRect.height() };
+
+    DFBResult result;
+    if (rect.width() == srcRect.width() && rect.height() == srcRect.height())
+        result = m_surface->Blit(m_surface, s, &sRect, rect.x(), rect.y());
+    else {
+        const DFBRectangle dRect = { rect.x(), rect.y(), rect.width(), rect.height() };
+        result = m_surface->StretchBlit(m_surface, s, &sRect, &dRect);
+    }
+    if (result != DFB_OK)
+        DirectFBError("QDirectFBBlitter::drawPixmap()", result);
+}
+
+QImage *QDirectFbBlitter::doLock()
+{
+    Q_ASSERT(m_surface);
+    Q_ASSERT(size().isValid());
+
+    void *mem;
+    int bpl;
+    const DFBResult result = m_surface->Lock(m_surface, DFBSurfaceLockFlags(DSLF_WRITE|DSLF_READ), static_cast<void**>(&mem), &bpl);
+    if (result == DFB_OK) {
+        DFBSurfacePixelFormat dfbFormat;
+        DFBSurfaceCapabilities dfbCaps;
+        m_surface->GetPixelFormat(m_surface,&dfbFormat);
+        m_surface->GetCapabilities(m_surface,&dfbCaps);
+        QImage::Format format = QDirectFbConvenience::imageFormatFromSurfaceFormat(dfbFormat, dfbCaps);
+        int w, h;
+        m_surface->GetSize(m_surface,&w,&h);
+        m_image = QImage(static_cast<uchar *>(mem),w,h,bpl,format);
+    } else {
+        DirectFBError("Failed to lock image", result);
+    }
+
+    return &m_image;
+}
+
+void QDirectFbBlitter::doUnlock()
+{
+    m_surface->Unlock(m_surface);
+}