static void* draw_framebuffer_data(GtkWidget *widget)
{
char *pixels;
struct fb_fix_screeninfo fix;
struct fb_var_screeninfo var;
get_screen_info(&var, &fix);
gtk_widget_set_size_request(widget, var.xres, var.yres);
pixels = mmap(NULL, fix.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fb0, 0);
switch (var.bits_per_pixel) {
case 24:
gdk_draw_rgb_image(widget->window,
widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
var.xoffset, var.yoffset, var.xres, var.yres,
GDK_RGB_DITHER_NONE, pixels, fix.line_length);
case 32:
gdk_draw_rgb_32_image(widget->window,
widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
var.xoffset, var.yoffset, var.xres, var.yres,
GDK_RGB_DITHER_NONE, pixels, fix.line_length);
break;
}
munmap(pixels, fix.smem_len);
}
/*!
Display a selection of the color image \e I in RGBa format (32bits).
\warning Display has to be initialized.
\warning Suppress the overlay drawing in the region of interest.
\param I : Image to display.
\param iP : Top left corner of the region of interest
\param w : Width of the region of interest
\param h : Height of the region of interest
\sa init(), closeDisplay()
*/
void vpDisplayGTK::displayImageROI ( const vpImage<vpRGBa> &I,const vpImagePoint &iP, const unsigned int w, const unsigned int h )
{
if (displayHasBeenInitialized)
{
vpImage<vpRGBa> Itemp;
vpImageTools::crop(I,(unsigned int)iP.get_i(), (unsigned int)iP.get_j(), h, w, Itemp);
/* Copie de l'image dans le pixmap fond */
gdk_draw_rgb_32_image(background,
gc, (gint)iP.get_u(), (gint)iP.get_v(), (gint)w, (gint)h,
GDK_RGB_DITHER_NONE,
(unsigned char *)Itemp.bitmap,
(gint)(4*w));
/* Permet de fermer la fenetre si besoin (cas des sequences d'images) */
//while (g_main_iteration(FALSE));
/* Le pixmap background devient le fond de la zone de dessin */
gdk_window_set_back_pixmap(widget->window, background, FALSE);
/* Affichage */
//gdk_window_clear(GTK_WINDOW(widget));
//flushDisplay() ;
}
else
{
vpERROR_TRACE("GTK not initialized " ) ;
throw(vpDisplayException(vpDisplayException::notInitializedError,
"GTK not initialized")) ;
}
}
static void
expose_func (GtkWidget *drawing_area, GdkEventExpose *event, gpointer data)
{
GdkPixbuf *pixbuf;
pixbuf = (GdkPixbuf *)gtk_object_get_data(GTK_OBJECT(drawing_area), "pixbuf");
if (gdk_pixbuf_get_has_alpha (pixbuf)) {
gdk_draw_rgb_32_image (drawing_area->window,
drawing_area->style->black_gc,
event->area.x, event->area.y,
event->area.width,
event->area.height,
GDK_RGB_DITHER_MAX,
gdk_pixbuf_get_pixels (pixbuf)
+ (event->area.y * gdk_pixbuf_get_rowstride (pixbuf))
+ (event->area.x * gdk_pixbuf_get_n_channels (pixbuf)),
gdk_pixbuf_get_rowstride (pixbuf));
} else {
gdk_draw_rgb_image (drawing_area->window,
drawing_area->style->white_gc,
event->area.x, event->area.y,
event->area.width,
event->area.height,
GDK_RGB_DITHER_NORMAL,
gdk_pixbuf_get_pixels (pixbuf)
+ (event->area.y * gdk_pixbuf_get_rowstride (pixbuf))
+ (event->area.x * gdk_pixbuf_get_n_channels (pixbuf)),
gdk_pixbuf_get_rowstride (pixbuf));
}
}
Py::Object agg_to_gtk_drawable(const Py::Tuple &args) {
args.verify_length(2);
PyGObject *py_drawable = (PyGObject *)(args[0].ptr());
RendererAgg* aggRenderer = static_cast<RendererAgg*>(args[1].ptr());
GdkDrawable *drawable = GDK_DRAWABLE(py_drawable->obj);
GdkGC* gc = gdk_gc_new(drawable);
unsigned int width = aggRenderer->get_width();
unsigned int height = aggRenderer->get_height();
gdk_draw_rgb_32_image(drawable, gc, 0, 0,
width,
height,
GDK_RGB_DITHER_NORMAL,
aggRenderer->pixBuffer,
width*4);
return Py::Object();
}
/*!
Display the color image \e I in RGBa format (32bits).
\warning Display has to be initialized.
\warning Suppress the overlay drawing.
\param I : Image to display.
\sa init(), closeDisplay()
*/
void vpDisplayGTK::displayImage(const vpImage<vpRGBa> &I)
{
if (displayHasBeenInitialized)
{
/* Copie de l'image dans le pixmap fond */
gdk_draw_rgb_32_image(background,
gc, 0, 0, (gint)width, (gint)height,
GDK_RGB_DITHER_NONE,
(unsigned char *)I.bitmap,
(gint)(4*width));
/* Permet de fermer la fenetre si besoin (cas des sequences d'images) */
//while (g_main_iteration(FALSE));
/* Le pixmap background devient le fond de la zone de dessin */
gdk_window_set_back_pixmap(widget->window, background, FALSE);
/* Affichage */
//gdk_window_clear(GTK_WINDOW(widget));
//flushDisplay() ;
}
else
{
vpERROR_TRACE("GTK not initialized " ) ;
throw(vpDisplayException(vpDisplayException::notInitializedError,
"GTK not initialized")) ;
}
}
/**
* gdk_pixbuf_render_pixmap_and_mask_for_colormap:
* @pixbuf: A pixbuf.
* @colormap: A #GdkColormap
* @pixmap_return: Location to store a pointer to the created pixmap,
* or %NULL if the pixmap is not needed.
* @mask_return: Location to store a pointer to the created mask,
* or %NULL if the mask is not needed.
* @alpha_threshold: Threshold value for opacity values.
*
* Creates a pixmap and a mask bitmap which are returned in the @pixmap_return
* and @mask_return arguments, respectively, and renders a pixbuf and its
* corresponding tresholded alpha mask to them. This is merely a convenience
* function; applications that need to render pixbufs with dither offsets or to
* given drawables should use gdk_draw_pixbuf(), and gdk_pixbuf_render_threshold_alpha().
*
* The pixmap that is created uses the #GdkColormap specified by @colormap.
* This colormap must match the colormap of the window where the pixmap
* will eventually be used or an error will result.
*
* If the pixbuf does not have an alpha channel, then *@mask_return will be set
* to %NULL.
**/
void
gdk_pixbuf_render_pixmap_and_mask_for_colormap (GdkPixbuf *pixbuf,
GdkColormap *colormap,
GdkPixmap **pixmap_return,
GdkBitmap **mask_return,
int alpha_threshold)
{
GdkScreen *screen;
g_return_if_fail (GDK_IS_PIXBUF (pixbuf));
g_return_if_fail (GDK_IS_COLORMAP (colormap));
screen = gdk_colormap_get_screen (colormap);
if (pixmap_return)
{
GdkGC *gc;
*pixmap_return = gdk_pixmap_new (gdk_screen_get_root_window (screen),
gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf),
gdk_colormap_get_visual (colormap)->depth);
gdk_drawable_set_colormap (GDK_DRAWABLE (*pixmap_return), colormap);
gc = _gdk_drawable_get_scratch_gc (*pixmap_return, FALSE);
/* If the pixbuf has an alpha channel, using gdk_pixbuf_draw would give
* random pixel values in the area that are within the mask, but semi-
* transparent. So we treat the pixbuf like a pixbuf without alpha channel;
* see bug #487865.
*/
if (gdk_pixbuf_get_has_alpha (pixbuf))
gdk_draw_rgb_32_image (*pixmap_return, gc,
0, 0,
gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf),
GDK_RGB_DITHER_NORMAL,
gdk_pixbuf_get_pixels (pixbuf), gdk_pixbuf_get_rowstride (pixbuf));
else
gdk_draw_pixbuf (*pixmap_return, gc, pixbuf,
0, 0, 0, 0,
gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf),
GDK_RGB_DITHER_NORMAL,
0, 0);
}
if (mask_return)
{
if (gdk_pixbuf_get_has_alpha (pixbuf))
{
*mask_return = gdk_pixmap_new (gdk_screen_get_root_window (screen),
gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf), 1);
gdk_pixbuf_render_threshold_alpha (pixbuf, *mask_return,
0, 0, 0, 0,
gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf),
alpha_threshold);
}
else
*mask_return = NULL;
}
}
/* update_window:
* Copy the backing image onto the window. */
void update_window() {
if (backing_image) {
GdkGC *gc;
gc = gdk_gc_new(drawable);
gdk_draw_rgb_32_image(drawable, gc, 0, 0, width, height, GDK_RGB_DITHER_NORMAL, (guchar*)backing_image->flat, sizeof(pel) * width);
g_object_unref(gc);
}
}
static gboolean draw_frame(GtkWidget* widget, GdkEventExpose* event)
{
gdk_draw_rgb_32_image(main_canvas->window,
main_canvas->style->fg_gc[GTK_WIDGET_STATE(main_canvas)],
0, 0,
240, 320,
GDK_RGB_DITHER_NONE,
frame_buffer,
240*4);
return FALSE;
}
void SetFrameBuffer(rect* inBoundary)
{
int x, y;
int sx, sy;
int ex, ey;
// revised as pixel position concept by Joshua
// initialization
sx = 0;
sy = 0;
ex = DEVICE_WIDTH -1;
ey = DEVICE_HEIGHT-1;
if ( inBoundary )
{
//printf(" partial: top:%d,left:%d,right:%d,bottom:%d",inBoundary->top,inBoundary->left,inBoundary->right,inBoundary->bottom);
if ( inBoundary->left > sx ) sx = inBoundary->left;
if ( inBoundary->right < ex ) ex = inBoundary->right;
if ( inBoundary->top > sy ) sy = inBoundary->top;
if ( inBoundary->bottom < ey ) ey = inBoundary->bottom;
}
//printf("\n");
gdk_threads_enter();
for( y = sy ; y <= ey ; y++ )
{
for ( x = sx ; x <= ex ; x++ )
{
int r, g, b, data;
data = lcd_bmp_buffer[y][x];
r = (data&0xF800)>>8;
g = (data&0x07E0)>>3;
b = (data&0x001F)<<3;
frame_buffer[y][x][0] = r;
frame_buffer[y][x][1] = g;
frame_buffer[y][x][2] = b;
}
}
gdk_draw_rgb_32_image(main_canvas->window,
main_canvas->style->fg_gc[GTK_WIDGET_STATE(main_canvas)],
0, 0,
240, 320,
GDK_RGB_DITHER_NONE,
frame_buffer,
240*4);
gdk_threads_leave();
}
static void gtkdisplay_area(int x, int y, int width, int height)
{
#if !GTK_CHECK_VERSION( 3, 0, 0 )
gdk_draw_rgb_32_image( gtkui_drawing_area->window,
gtkui_drawing_area->style->fg_gc[GTK_STATE_NORMAL],
x, y, width, height, GDK_RGB_DITHER_NONE,
&scaled_image[ y * scaled_pitch + 4 * x ],
scaled_pitch );
#else
display_updated = 1;
gtk_widget_queue_draw_area( gtkui_drawing_area, x, y, width, height );
#endif /* #if !GTK_CHECK_VERSION( 3, 0, 0 ) */
}
void GUI_RGBDisplay(uint8_t * dis, uint32_t w, uint32_t h, void *widg)
{
GtkWidget *widget;
widget = (GtkWidget *)widg;
//return;
gdk_draw_rgb_32_image(widget->window, widget->style->fg_gc[GTK_STATE_NORMAL], 0, // X
0, // y
w, //width
h, //h*2, // heigth
GDK_RGB_DITHER_NONE,
//GDK_RGB_DITHER_MAX, // dithering
(guchar *) dis, // buffer
w * 4);
}
/**
\brief Display to widget in RGB32
*/
void UI_rgbDraw(void *widg,uint32_t w, uint32_t h,uint8_t *ptr)
{
GtkWidget *widget;
widget = (GtkWidget *)widg;
if(lastW>w || lastH>h)
{
// This makes a lot of noise if you use the Crop filter... perhaps it should
// be output only once? Or maybe there is a real bug - I'm not sure. [Chris MacGregor]
// printf("[GTK] Warning window bigger than display %u x %u vs %u x %u\n",w,h,lastW,lastH);
}
gdk_draw_rgb_32_image(widget->window, widget->style->fg_gc[GTK_STATE_NORMAL], 0, // X
0, // y
w, //width
h, //h*2, // heigth
GDK_RGB_DITHER_NONE,
//GDK_RGB_DITHER_MAX, // dithering
(guchar *) ptr, // buffer
w * 4);
}
void VideoRenderer::RedrawRenderArea()
{
gdk_threads_enter();
#ifdef GOCAST_PLUGIN
pthread_mutex_lock(&pluginWinMutex);
if(NULL != pThePluginWindow)
{
FB::PluginWindowX11* pThePluginWindowX11 =
reinterpret_cast<FB::PluginWindowX11*>(pThePluginWindow);
m_pRenderArea = pThePluginWindowX11->getWidget();
#endif
gdk_draw_rgb_32_image(
m_pRenderArea->window,
m_pRenderArea->style->fg_gc[GTK_STATE_NORMAL],
#ifdef GOCAST_PLUGIN
(m_rendererIndex=(m_pNext?(m_pNext->RendererIndex()+1):m_rendererIndex))*m_width,
#else
0,
#endif
0,
m_width,
m_height,
GDK_RGB_DITHER_MAX,
m_spFrmBuf.get(),
m_width*4
);
#ifdef GOCAST_PLUGIN
}
pthread_mutex_unlock(&pluginWinMutex);
#endif
gdk_threads_leave();
}
static PyObject *Py_agg_to_gtk_drawable(PyObject *self, PyObject *args, PyObject *kwds)
{
typedef agg::pixfmt_rgba32_plain pixfmt;
typedef agg::renderer_base<pixfmt> renderer_base;
PyGObject *py_drawable;
numpy::array_view<agg::int8u, 3> buffer;
agg::rect_d rect;
// args are gc, renderer, bbox where bbox is a transforms BBox
// (possibly None). If bbox is None, blit the entire agg buffer
// to gtk. If bbox is not None, blit only the region defined by
// the bbox
if (!PyArg_ParseTuple(args,
"OO&O&:agg_to_gtk_drawable",
&py_drawable,
&buffer.converter,
&buffer,
&convert_rect,
&rect)) {
return NULL;
}
if (buffer.dim(2) != 4) {
PyErr_SetString(PyExc_ValueError, "Invalid image buffer. Must be NxMx4.");
return NULL;
}
GdkDrawable *drawable = GDK_DRAWABLE(py_drawable->obj);
GdkGC *gc = gdk_gc_new(drawable);
int srcstride = buffer.dim(1) * 4;
int srcwidth = buffer.dim(1);
int srcheight = buffer.dim(0);
// these three will be overridden below
int destx = 0;
int desty = 0;
int destwidth = 1;
int destheight = 1;
int deststride = 1;
std::vector<agg::int8u> destbuffer;
agg::int8u *destbufferptr;
if (rect.x1 == 0.0 && rect.x2 == 0.0 && rect.y1 == 0.0 && rect.y2 == 0.0) {
// bbox is None; copy the entire image
destbufferptr = (agg::int8u *)buffer.data();
destwidth = srcwidth;
destheight = srcheight;
deststride = srcstride;
} else {
destx = (int)rect.x1;
desty = srcheight - (int)rect.y2;
destwidth = (int)(rect.x2 - rect.x1);
destheight = (int)(rect.y2 - rect.y1);
deststride = destwidth * 4;
destbuffer.reserve(destheight * deststride);
destbufferptr = &destbuffer[0];
agg::rendering_buffer destrbuf;
destrbuf.attach(destbufferptr, destwidth, destheight, deststride);
pixfmt destpf(destrbuf);
renderer_base destrb(destpf);
agg::rendering_buffer srcrbuf;
srcrbuf.attach((agg::int8u *)buffer.data(), buffer.dim(1), buffer.dim(0), buffer.dim(1) * 4);
agg::rect_base<int> region(destx, desty, (int)rect.x2, srcheight - (int)rect.y1);
destrb.copy_from(srcrbuf, ®ion, -destx, -desty);
}
gdk_draw_rgb_32_image(drawable,
gc,
destx,
desty,
destwidth,
destheight,
GDK_RGB_DITHER_NORMAL,
destbufferptr,
deststride);
gdk_gc_destroy(gc);
Py_RETURN_NONE;
}
Py::Object agg_to_gtk_drawable(const Py::Tuple &args)
{
// args are gc, renderer, bbox where bbox is a transforms BBox
// (possibly None). If bbox is None, blit the entire agg buffer
// to gtk. If bbox is not None, blit only the region defined by
// the bbox
args.verify_length(3);
PyGObject *py_drawable = (PyGObject *)(args[0].ptr());
RendererAgg* aggRenderer = static_cast<RendererAgg*>(args[1].ptr());
GdkDrawable *drawable = GDK_DRAWABLE(py_drawable->obj);
GdkGC* gc = gdk_gc_new(drawable);
int srcstride = aggRenderer->get_width() * 4;
int srcwidth = (int)aggRenderer->get_width();
int srcheight = (int)aggRenderer->get_height();
// these three will be overridden below
int destx = 0;
int desty = 0;
int destwidth = 1;
int destheight = 1;
int deststride = 1;
bool needfree = false;
agg::int8u *destbuffer = NULL;
if (args[2].ptr() == Py_None)
{
//bbox is None; copy the entire image
destbuffer = aggRenderer->pixBuffer;
destwidth = srcwidth;
destheight = srcheight;
deststride = srcstride;
}
else
{
//bbox is not None; copy the image in the bbox
PyObject* clipbox = args[2].ptr();
double l, b, r, t;
if (!py_convert_bbox(clipbox, l, b, r, t))
{
throw Py::TypeError
("Argument 3 to agg_to_gtk_drawable must be a Bbox object.");
}
destx = (int)l;
desty = srcheight - (int)t;
destwidth = (int)(r - l);
destheight = (int)(t - b);
deststride = destwidth * 4;
needfree = true;
destbuffer = new agg::int8u[deststride*destheight];
if (destbuffer == NULL)
{
throw Py::MemoryError("_gtkagg could not allocate memory for destbuffer");
}
agg::rendering_buffer destrbuf;
destrbuf.attach(destbuffer, destwidth, destheight, deststride);
pixfmt destpf(destrbuf);
renderer_base destrb(destpf);
//destrb.clear(agg::rgba(1, 1, 1, 0));
agg::rect_base<int> region(destx, desty, (int)r, srcheight - (int)b);
destrb.copy_from(aggRenderer->renderingBuffer, ®ion,
-destx, -desty);
}
/*std::cout << desty << " "
<< destheight << " "
<< srcheight << std::endl;*/
//gdk_rgb_init();
gdk_draw_rgb_32_image(drawable, gc, destx, desty,
destwidth,
destheight,
GDK_RGB_DITHER_NORMAL,
destbuffer,
deststride);
if (needfree)
{
delete [] destbuffer;
}
return Py::Object();
}
