QDirectFbBlitter::QDirectFbBlitter(const QSize &rect, bool alpha)
: QBlittable(rect, dfb_blitter_capabilities())
, m_premult(false)
, m_debugPaint(false)
{
DFBSurfaceDescription surfaceDesc;
memset(&surfaceDesc,0,sizeof(DFBSurfaceDescription));
surfaceDesc.width = rect.width();
surfaceDesc.height = rect.height();
// force alpha format to get AlphaFillRectCapability and ExtendedPixmapCapability support
alpha = true;
if (alpha) {
m_premult = true;
surfaceDesc.caps = DSCAPS_PREMULTIPLIED;
surfaceDesc.pixelformat = QDirectFbBlitter::alphaPixmapFormat();
surfaceDesc.flags = DFBSurfaceDescriptionFlags(DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_CAPS | DSDESC_PIXELFORMAT);
} else {
surfaceDesc.flags = DFBSurfaceDescriptionFlags(DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT);
surfaceDesc.pixelformat = QDirectFbBlitter::pixmapFormat();
}
if (qEnvironmentVariableIntValue("QT_DIRECTFB_BLITTER_DEBUGPAINT"))
m_debugPaint = true;
IDirectFB *dfb = QDirectFbConvenience::dfbInterface();
dfb->CreateSurface(dfb , &surfaceDesc, m_surface.outPtr());
m_surface->Clear(m_surface.data(), 0, 0, 0, 0);
}
IDirectFBSurface *QDirectFbTextureGlyphCache::sourceSurface()
{
if (m_surface.isNull()) {
const QImage &source = image();
DFBSurfaceDescription desc;
memset(&desc, 0, sizeof(desc));
desc.flags = DFBSurfaceDescriptionFlags(DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_PREALLOCATED | DSDESC_CAPS);
desc.width = source.width();
desc.height = source.height();
desc.caps = DSCAPS_SYSTEMONLY;
switch (source.format()) {
case QImage::Format_Mono:
desc.pixelformat = DSPF_A1;
break;
case QImage::Format_Alpha8:
desc.pixelformat = DSPF_A8;
break;
default:
qFatal("QDirectFBTextureGlyphCache: Unsupported source texture image format.");
break;
}
desc.preallocated[0].data = const_cast<void*>(static_cast<const void*>(source.bits()));
desc.preallocated[0].pitch = source.bytesPerLine();
desc.preallocated[1].data = 0;
desc.preallocated[1].pitch = 0;
IDirectFB *dfb = QDirectFbConvenience::dfbInterface();
dfb->CreateSurface(dfb , &desc, m_surface.outPtr());
}
return m_surface.data();
}
void QDirectFBPixmapData::resize(int width, int height)
{
if (width <= 0 || height <= 0) {
setSerialNumber(0);
return;
}
IDirectFB *dfb = QDirectFBScreen::instance()->dfb();
if (!dfb)
qFatal("QDirectFBPixmapData::resize(): "
"Unable to get DirectFB handle!");
DFBSurfaceDescription description;
description.flags = DFBSurfaceDescriptionFlags(DSDESC_WIDTH |
DSDESC_HEIGHT);
description.width = width;
description.height = height;
DFBResult result = dfb->CreateSurface(dfb, &description, &surface);
if (result != DFB_OK) {
DirectFBErrorFatal("QDirectFBPixmapData::resize(): "
"Unable to allocate surface", result);
}
setSerialNumber(++global_ser_no);
}
QDirectFbBlitter::QDirectFbBlitter(const QSize &rect, bool alpha)
: QBlittable(rect, dfb_blitter_capabilities())
{
DFBSurfaceDescription surfaceDesc;
memset(&surfaceDesc,0,sizeof(DFBSurfaceDescription));
surfaceDesc.width = rect.width();
surfaceDesc.height = rect.height();
if (alpha) {
surfaceDesc.caps = DSCAPS_PREMULTIPLIED;
surfaceDesc.pixelformat = QDirectFbBlitter::alphaPixmapFormat();
surfaceDesc.flags = DFBSurfaceDescriptionFlags(DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_CAPS | DSDESC_PIXELFORMAT);
} else {
surfaceDesc.flags = DFBSurfaceDescriptionFlags(DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT);
surfaceDesc.pixelformat = QDirectFbBlitter::pixmapFormat();
}
IDirectFB *dfb = QDirectFbConvenience::dfbInterface();
dfb->CreateSurface(dfb , &surfaceDesc, m_surface.outPtr());
m_surface->Clear(m_surface.data(), 0, 0, 0, 0);
}
void QDirectFBPixmapData::fill(const QColor &color)
{
if (!serialNumber())
return;
Q_ASSERT(surface);
if (color.alpha() < 255 && !hasAlphaChannel()) {
// convert to surface supporting alpha channel
DFBSurfacePixelFormat format;
surface->GetPixelFormat(surface, &format);
switch (format) {
case DSPF_YUY2:
case DSPF_UYVY:
format = DSPF_AYUV;
break;
#if (Q_DIRECTFB_VERSION >= 0x010100)
case DSPF_RGB444:
format = DSPF_ARGB4444;
break;
case DSPF_RGB555:
#endif
case DSPF_RGB18:
format = DSPF_ARGB6666;
break;
default:
format = DSPF_ARGB;
break;
}
DFBSurfaceDescription description;
description.flags = DFBSurfaceDescriptionFlags(DSDESC_WIDTH |
DSDESC_HEIGHT |
DSDESC_PIXELFORMAT);
surface->GetSize(surface, &description.width, &description.height);
description.pixelformat = format;
surface->Release(surface); // release old surface
IDirectFB *fb = QDirectFBScreen::instance()->dfb();
DFBResult result = fb->CreateSurface(fb, &description, &surface);
if (result != DFB_OK) {
DirectFBError("QDirectFBPixmapData::fill()", result);
setSerialNumber(0);
return;
}
}
surface->Clear(surface, color.red(), color.green(), color.blue(),
color.alpha());
}
void QDirectFBPixmapData::copy(const QPixmapData *data, const QRect &rect)
{
if (data->classId() != DirectFBClass) {
QPixmapData::copy(data, rect);
return;
}
IDirectFBSurface *src = static_cast<const QDirectFBPixmapData*>(data)->surface;
DFBSurfaceDescription description;
description.flags = DFBSurfaceDescriptionFlags(DSDESC_WIDTH |
DSDESC_HEIGHT |
DSDESC_PIXELFORMAT);
description.width = rect.width();
description.height = rect.height();
src->GetPixelFormat(src, &description.pixelformat);
IDirectFB *fb = QDirectFBScreen::instance()->dfb();
DFBResult result = fb->CreateSurface(fb, &description, &surface);
if (result != DFB_OK) {
DirectFBError("QDirectFBPixmapData::copy()", result);
setSerialNumber(0);
return;
}
#ifndef QT_NO_DIRECTFB_PALETTE
IDirectFBPalette *palette;
src->GetPalette(src, &palette);
surface->SetPalette(surface, palette);
#endif
surface->SetBlittingFlags(surface, DSBLIT_NOFX);
const DFBRectangle blitRect = { rect.x(), rect.y(),
rect.width(), rect.height() };
result = surface->Blit(surface, src, &blitRect, 0, 0);
if (result != DFB_OK)
DirectFBError("QDirectFBPixmapData::copy()", result);
setSerialNumber(++global_ser_no);
}
void QDirectFBPixmapData::fromImage(const QImage &img,
Qt::ImageConversionFlags)
{
QImage image;
if (QDirectFBScreen::getSurfacePixelFormat(img) == DSPF_UNKNOWN)
image = img.convertToFormat(QImage::Format_ARGB32_Premultiplied);
else
image = img;
DFBSurfaceDescription description;
description = QDirectFBScreen::getSurfaceDescription(image);
IDirectFB *fb = QDirectFBScreen::instance()->dfb();
DFBResult result;
#ifndef QT_NO_DIRECTFB_PREALLOCATED
IDirectFBSurface *imgSurface;
result = fb->CreateSurface(fb, &description, &imgSurface);
if (result != DFB_OK) {
DirectFBError("QDirectFBPixmapData::fromImage()", result);
setSerialNumber(0);
return;
}
#ifndef QT_NO_DIRECTFB_PALETTE
QDirectFBScreen::setSurfaceColorTable(imgSurface, image);
#endif
#endif // QT_NO_DIRECTFB_PREALLOCATED
description.flags = DFBSurfaceDescriptionFlags(description.flags
^ DSDESC_PREALLOCATED);
result = fb->CreateSurface(fb, &description, &surface);
if (result != DFB_OK) {
DirectFBError("QDirectFBPixmapData::fromImage()", result);
setSerialNumber(0);
return;
}
#ifndef QT_NO_DIRECTFB_PALETTE
QDirectFBScreen::setSurfaceColorTable(surface, image);
#endif
#ifdef QT_NO_DIRECTFB_PREALLOCATED
char *mem;
int bpl;
surface->Lock(surface, DSLF_WRITE, (void**)&mem, &bpl);
const int w = image.width() * image.depth() / 8;
for (int i = 0; i < image.height(); ++i) {
memcpy(mem, image.scanLine(i), w);
mem += bpl;
}
surface->Unlock(surface);
#else
surface->SetBlittingFlags(surface, DSBLIT_NOFX);
result = surface->Blit(surface, imgSurface, 0, 0, 0);
if (result != DFB_OK)
DirectFBError("QDirectFBPixmapData::fromImage()", result);
surface->Flip(surface, 0, DSFLIP_NONE);
imgSurface->Release(imgSurface);
#endif // QT_NO_DIRECTFB_PREALLOCATED
setSerialNumber(++global_ser_no);
}
