static cairo_surface_t *
_cairo_boilerplate_directfb_bitmap_create_surface (DFBInfo *info,
cairo_content_t content,
int width,
int height)
{
int err;
DFBSurfaceDescription desc;
D_DEBUG_AT (CairoDFB_Boiler, "%s (%p, %s, %dx%d)\n", __FUNCTION__, info,
content == CAIRO_CONTENT_ALPHA ? "ALPHA" :
content == CAIRO_CONTENT_COLOR ? "RGB" :
content == CAIRO_CONTENT_COLOR_ALPHA ? "ARGB" : "unknown content!",
width, height);
desc.flags = DSDESC_WIDTH | DSDESC_HEIGHT;
desc.caps = DSCAPS_NONE;
desc.width = width;
desc.height = height;
if (content == CAIRO_CONTENT_COLOR_ALPHA) {
desc.flags |= DSDESC_PIXELFORMAT;
desc.pixelformat = DSPF_ARGB;
}
DFBCHECK (info->dfb->CreateSurface (info->dfb, &desc, &info->surface));
return cairo_directfb_surface_create (info->dfb, info->surface);
ERROR:
_cairo_boilerplate_directfb_cleanup (info);
return NULL;
}
void ZDrawSongInfo(IDirectFB *dfb, IDirectFBSurface *dfbsurface, const gchar *title, const gchar *artist,
gint w, gint h, DFBColor *color, DFBColor *strokeColor, double strokeWidth, const PangoFontDescription *desc)
{
cairo_t *cr = NULL;
cairo_surface_t *surface = NULL;
cairo_surface_t *cairosurface = NULL;
PangoLayout *layout = NULL;
if(!dfb || !dfbsurface)
return;
/* prepare layout */
layout = pango_layout_new(gdk_pango_context_get());
pango_layout_set_single_paragraph_mode (layout, TRUE);
pango_layout_set_alignment(layout, PANGO_ALIGN_CENTER);
pango_layout_set_width(layout, w* PANGO_SCALE);
pango_layout_set_font_description(layout, desc);
surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, w, h);
cr = cairo_create(surface);
/* Draw title */
if(title) {
pango_layout_set_text(layout, title, -1);
cairo_move_to(cr, 0, 0);
pango_cairo_layout_path(cr, layout);
ZCairoSetDFBColor(cr, strokeColor);
cairo_set_line_width(cr, strokeWidth);
cairo_stroke_preserve(cr);
ZCairoSetDFBColor(cr, color);
cairo_fill(cr);
}
/* Draw artist */
if(artist) {
pango_layout_set_text(layout, artist, -1);
cairo_move_to(cr, 0, h/2);
pango_cairo_layout_path(cr, layout);
ZCairoSetDFBColor(cr, strokeColor);
cairo_set_line_width(cr, strokeWidth);
cairo_stroke_preserve(cr);
ZCairoSetDFBColor(cr, color);
cairo_fill(cr);
}
g_object_unref(layout);
cairo_destroy(cr);
/* Draw cairo_surface to dfbsurface */
/* create surface */
cairosurface = cairo_directfb_surface_create(dfb, dfbsurface);
cr = cairo_create(cairosurface);
cairo_set_source_surface(cr, surface, 0, 0);
cairo_paint(cr);
cairo_destroy(cr);
cairo_surface_destroy(surface);
cairo_surface_destroy(cairosurface);
}
cairo_surface_t*
Surface::cairoSurface()
{
if (!_cairoSurface)
_cairoSurface = cairo_directfb_surface_create(PlatformManager::instance().getDFB(), _dfbSurface);
return _cairoSurface;
}
void
DragHelper::setImageFromCairoSurface(cairo_surface_t* cairoSurface)
{
ILOG_TRACE_W(ILX_DRAGHELPER);
if (_surface)
_surface->Release(_surface);
int width = cairo_image_surface_get_width(cairoSurface);
int height = cairo_image_surface_get_height(cairoSurface);
DFBSurfaceDescription desc;
desc.flags = (DFBSurfaceDescriptionFlags) (DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS);
desc.width = width;
desc.height = height;
desc.pixelformat = PlatformManager::instance().forcedPixelFormat();
desc.caps = DSCAPS_VIDEOONLY;
PlatformManager::instance().getDFB()->CreateSurface(PlatformManager::instance().getDFB(), &desc, &_surface);
cairo_surface_t* surface = cairo_directfb_surface_create(PlatformManager::instance().getDFB(), _surface);
cairo_t* context = cairo_create(surface);
cairo_set_source_surface(context, cairoSurface, 0, 0);
cairo_paint(context);
cairo_destroy(context);
cairo_surface_destroy(surface);
}
gfxDirectFBSurface::gfxDirectFBSurface(const gfxIntSize& size, gfxImageFormat format) :
mDFB(nsnull), mDFBSurface(nsnull)
{
DFBResult ret;
DFBSurfaceDescription desc;
if (!CheckSurfaceSize(size) || size.width <= 0 || size.height <= 0)
return;
/* Lightweight, getting singleton */
ret = DirectFBCreate( &mDFB );
if (ret) {
D_DERROR( (DirectResult) ret, "gfxDirectFBSurface: DirectFBCreate() failed!\n" );
return;
}
desc.flags = (DFBSurfaceDescriptionFlags)( DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT );
desc.width = size.width;
desc.height = size.height;
switch (format) {
case gfxASurface::ImageFormatARGB32:
desc.pixelformat = DSPF_ARGB;
break;
case gfxASurface::ImageFormatRGB24:
desc.pixelformat = DSPF_RGB32;
break;
case gfxASurface::ImageFormatA8:
desc.pixelformat = DSPF_A8;
break;
case gfxASurface::ImageFormatA1:
desc.pixelformat = DSPF_A1;
break;
default:
D_BUG( "unknown format" );
return;
}
ret = mDFB->CreateSurface( mDFB, &desc, &mDFBSurface );
if (ret) {
D_DERROR( (DirectResult) ret, "gfxDirectFBSurface: "
"IDirectFB::CreateSurface( %dx%d ) failed!\n", desc.width, desc.height );
return;
}
cairo_surface_t *surface = cairo_directfb_surface_create(mDFB, mDFBSurface);
Init(surface);
}
gfxDirectFBSurface::gfxDirectFBSurface(IDirectFB *dfb, IDirectFBSurface *dfbs)
: mDFB(nsnull), mDFBSurface(nsnull)
{
dfb->AddRef( dfb );
dfbs->AddRef( dfbs );
cairo_surface_t *surf = cairo_directfb_surface_create(dfb, dfbs);
mDFB = dfb;
mDFBSurface = dfbs;
Init(surf);
}
void ZCairoBlit(cairo_surface_t *cairosurface, IDirectFB *dfb, IDirectFBSurface *dfbsurface,
gint source_x, gint source_y, gint dest_x, gint dest_y, gint width, gint height)
{
cairo_t *cr = NULL;
cairo_surface_t *surface = NULL;
surface = cairo_directfb_surface_create(dfb, dfbsurface);
cr = cairo_create(surface);
cairo_set_source_surface(cr, cairosurface, dest_x - source_x, dest_y - source_y);
cairo_rectangle(cr, dest_x, dest_y, width, height);
cairo_fill(cr);
cairo_destroy(cr);
cairo_surface_destroy(surface);
}
gfxDirectFBSurface::gfxDirectFBSurface(IDirectFBSurface *dfbs)
: mDFB(nsnull), mDFBSurface(nsnull)
{
DFBResult ret;
dfbs->AddRef( dfbs );
/* Lightweight, getting singleton */
ret = DirectFBCreate( &mDFB );
if (ret) {
D_DERROR( (DirectResult) ret, "gfxDirectFBSurface: DirectFBCreate() failed!\n" );
return;
}
cairo_surface_t *surf = cairo_directfb_surface_create(mDFB, dfbs);
mDFBSurface = dfbs;
Init(surf);
}
static cairo_surface_t *
_cairo_boilerplate_directfb_window_create_surface (DFBInfo *info,
cairo_content_t content,
int width,
int height)
{
DFBWindowDescription desc;
int err;
D_DEBUG_AT (CairoDFB_Boiler, "%s (%p, %s, %dx%d)\n", __FUNCTION__, info,
content == CAIRO_CONTENT_ALPHA ? "ALPHA" :
content == CAIRO_CONTENT_COLOR ? "RGB" :
content == CAIRO_CONTENT_COLOR_ALPHA ? "ARGB" : "unknown content!",
width, height);
desc.flags = DWDESC_POSX | DWDESC_POSY |
DWDESC_WIDTH | DWDESC_HEIGHT;
desc.caps = DSCAPS_NONE;
desc.posx = 0;
desc.posy = 0;
desc.width = width;
desc.height = height;
if (content == CAIRO_CONTENT_COLOR_ALPHA) {
desc.flags |= DWDESC_CAPS | DWDESC_PIXELFORMAT;
desc.caps |= DWCAPS_DOUBLEBUFFER | DWCAPS_ALPHACHANNEL;
desc.pixelformat = DSPF_ARGB;
}
DFBCHECK (info->layer->CreateWindow (info->layer, &desc, &info->window));
info->window->SetOpacity (info->window, 0xFF);
info->window->GetSurface (info->window, &info->surface);
info->surface->SetColor (info->surface, 0xFF, 0xFF, 0xFF, 0xFF);
info->surface->FillRectangle (info->surface,0, 0, desc.width, desc.height);
info->surface->Flip (info->surface, NULL, 0);
return cairo_directfb_surface_create (info->dfb, info->surface);
ERROR:
_cairo_boilerplate_directfb_cleanup (info);
return NULL;
}
