Exemplo n.º 1
0
bool ConfigDialog::createWindow ()
{
    // Create the dialog window
    mDialog = gtk_dialog_new_with_buttons (
        "OGRE Engine Setup", NULL, GTK_DIALOG_MODAL,
        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
         NULL);
    mOKButton = gtk_dialog_add_button (GTK_DIALOG (mDialog), GTK_STOCK_OK, GTK_RESPONSE_OK);
    gtk_window_set_position (GTK_WINDOW (mDialog), GTK_WIN_POS_CENTER);
    gtk_window_set_resizable (GTK_WINDOW (mDialog), FALSE);
    gtk_widget_show (GTK_DIALOG (mDialog)->vbox);

    GtkWidget *vbox = gtk_vbox_new (FALSE, 5);
    gtk_widget_show (vbox);
    gtk_box_pack_start (GTK_BOX (GTK_DIALOG (mDialog)->vbox), vbox, TRUE, TRUE, 0);

    // Unpack the image and create a GtkImage object from it
    try
    {
        static String imgType ("png");
        Image img;
        MemoryDataStream *imgStream;
        DataStreamPtr imgStreamPtr;

        imgStream = new MemoryDataStream (GLX_backdrop_data, sizeof (GLX_backdrop_data), false);
        imgStreamPtr = DataStreamPtr (imgStream);
        img.load (imgStreamPtr, imgType);

        PixelBox src = img.getPixelBox (0, 0);

        size_t width = img.getWidth ();
        size_t height = img.getHeight ();

        // Convert and copy image -- must be allocated with malloc
        uint8 *data = (uint8 *)malloc (width * height * 4);
        // Keep in mind that PixelBox does not free the data - this is ok
        // as gtk takes pixel data ownership in gdk_pixbuf_new_from_data
        PixelBox dst (src, PF_A8B8G8R8, data);

        PixelUtil::bulkPixelConversion (src, dst);

        GdkPixbuf *pixbuf = gdk_pixbuf_new_from_data (
            (const guchar *)dst.data, GDK_COLORSPACE_RGB,
            true, 8, width, height, width * 4,
            backdrop_destructor, NULL);
        GtkWidget *ogre_logo = gtk_image_new_from_pixbuf (pixbuf);

        gdk_pixbuf_unref (pixbuf);

        gtk_widget_show (ogre_logo);
        gtk_box_pack_start (GTK_BOX (vbox), ogre_logo, FALSE, FALSE, 0);
    }
    catch (Exception &e)
    {
        // Could not decode image; never mind
        LogManager::getSingleton().logMessage("WARNING: Failed to decode Ogre logo image");
    }

    GtkWidget *rs_hbox = gtk_hbox_new (FALSE, 0);
    gtk_box_pack_start (GTK_BOX (vbox), rs_hbox, FALSE, TRUE, 0);

    GtkWidget *rs_label = gtk_label_new ("Rendering subsystem:");
    gtk_widget_show (rs_label);
    gtk_box_pack_start (GTK_BOX (rs_hbox), rs_label, TRUE, TRUE, 5);
    gtk_label_set_justify (GTK_LABEL (rs_label), GTK_JUSTIFY_RIGHT);
    gtk_misc_set_alignment (GTK_MISC (rs_label), 1, 0.5);

    GtkWidget *rs_cb = gtk_combo_box_new_text ();
    gtk_widget_show (rs_cb);
    gtk_box_pack_start (GTK_BOX (rs_hbox), rs_cb, TRUE, TRUE, 5);

    g_signal_connect (G_OBJECT (rs_cb), "changed", G_CALLBACK (rendererChanged), this);

    // Add all available renderers to the combo box
    const RenderSystemList &renderers = Root::getSingleton ().getAvailableRenderers ();
    uint idx = 0, sel_renderer_idx = 0;
    for (RenderSystemList::const_iterator r = renderers.begin(); r != renderers.end (); r++, idx++)
    {
        gtk_combo_box_append_text (GTK_COMBO_BOX (rs_cb), (*r)->getName ().c_str ());
        if (mSelectedRenderSystem == *r)
            sel_renderer_idx = idx;
    }
    // Don't show the renderer choice combobox if there's just one renderer
    if (idx > 1)
        gtk_widget_show (rs_hbox);
 
    GtkWidget *ro_frame = gtk_frame_new (NULL);
    gtk_widget_show (ro_frame);
    gtk_box_pack_start (GTK_BOX (vbox), ro_frame, TRUE, TRUE, 0);

    GtkWidget *ro_label = gtk_label_new ("Renderer options:");
    gtk_widget_show (ro_label);
    gtk_frame_set_label_widget (GTK_FRAME (ro_frame), ro_label);
    gtk_label_set_use_markup (GTK_LABEL (ro_label), TRUE);

    mParamTable = gtk_table_new (0, 0, FALSE);
    gtk_widget_show (mParamTable);
    gtk_container_add (GTK_CONTAINER (ro_frame), mParamTable);

    gtk_combo_box_set_active (GTK_COMBO_BOX (rs_cb), sel_renderer_idx);

    return true;
}
Exemplo n.º 2
0
static GdkPixbuf*
tvtj_exif_extract_thumbnail (const guchar *data,
                             guint         length,
                             gint          size)
{
  TvtjExif exif;
  guint    offset;

  /* make sure we have enough data */
  if (G_UNLIKELY (length < 6 + 8))
    return NULL;

  /* validate Exif header */
  if (memcmp (data, "Exif\0\0", 6) != 0)
    return NULL;

  /* advance to TIFF header */
  data += 6;
  length -= 6;

  /* setup Exif data struct */
  memset (&exif, 0, sizeof (exif));
  exif.data_ptr = data;
  exif.data_len = length;

  /* determine byte order */
  if (memcmp (data, "II", 2) == 0)
    exif.big_endian = FALSE;
  else if (memcmp (data, "MM", 2) == 0)
    exif.big_endian = TRUE;
  else
    return NULL;

  /* validate the TIFF header */
  if (tvtj_exif_get_ushort (&exif, data + 2) != 0x2a)
    return NULL;

  /* determine the first IFD offset */
  offset = tvtj_exif_get_ulong (&exif, data + 4);

  /* validate the offset */
  if (G_LIKELY (offset < length))
    {
      /* parse the first IFD (recursively parses the remaining...) */
      tvtj_exif_parse_ifd (&exif, data + offset, length - offset, NULL);

      /* check thumbnail compression type */
      if (G_LIKELY (exif.thumb_compression == 6)) /* JPEG */
        {
          /* check if we have a valid thumbnail JPEG */
          if (exif.thumb.thumb_jpeg.offset > 0 && exif.thumb.thumb_jpeg.length > 0
              && exif.thumb.thumb_jpeg.offset + exif.thumb.thumb_jpeg.length <= length)
            {
              /* try to load the embedded thumbnail JPEG */
              return tvtj_jpeg_load (data + exif.thumb.thumb_jpeg.offset, exif.thumb.thumb_jpeg.length, size);
            }
        }
      else if (exif.thumb_compression == 1) /* Uncompressed */
        {
          /* check if we have a valid thumbnail (current only RGB interpretations) */
          if (G_LIKELY (exif.thumb.thumb_tiff.interp == 2)
              && exif.thumb.thumb_tiff.offset > 0 && exif.thumb.thumb_tiff.length > 0
              && exif.thumb.thumb_tiff.offset + exif.thumb.thumb_tiff.length <= length
              && exif.thumb.thumb_tiff.height * exif.thumb.thumb_tiff.width == exif.thumb.thumb_tiff.length)
            {
              /* plain RGB data, just what we need for a GdkPixbuf */
              return gdk_pixbuf_new_from_data (g_memdup (data + exif.thumb.thumb_tiff.offset, exif.thumb.thumb_tiff.length),
                                               GDK_COLORSPACE_RGB, FALSE, 8, exif.thumb.thumb_tiff.width,
                                               exif.thumb.thumb_tiff.height, exif.thumb.thumb_tiff.width,
                                               (GdkPixbufDestroyNotify) g_free, NULL);
            }
        }
    }

  return NULL;
}
Exemplo n.º 3
0
void
S9xGTKDisplayDriver::output (void *src,
                             int  src_pitch,
                             int  x,
                             int  y,
                             int  width,
                             int  height,
                             int  dst_width,
                             int  dst_height)
{
    if (width != gdk_buffer_width || height != gdk_buffer_height)
    {
        gdk_buffer_width = width;
        gdk_buffer_height = height;

        gdk_pixbuf_unref (pixbuf);

        padded_buffer[2] = realloc (padded_buffer[2],
                                    gdk_buffer_width * gdk_buffer_height * 3);
        pixbuf = gdk_pixbuf_new_from_data ((guchar *) padded_buffer[2],
                                           GDK_COLORSPACE_RGB,
                                           FALSE,
                                           8,
                                           gdk_buffer_width,
                                           gdk_buffer_height,
                                           gdk_buffer_width * 3,
                                           NULL,
                                           NULL);
    }

    if (last_known_width != dst_width || last_known_height != dst_height)
    {
        clear ();

        last_known_width = dst_width;
        last_known_height = dst_height;
    }

    S9xConvert (src,
                padded_buffer[2],
                src_pitch,
                gdk_buffer_width * 3,
                width,
                height,
                24);

    cairo_t *cr = gdk_cairo_create (gtk_widget_get_window (drawing_area));

    gdk_cairo_set_source_pixbuf (cr, pixbuf, x, y);

    if (width != dst_width || height != dst_height)
    {
        cairo_matrix_t matrix;
        cairo_pattern_t *pattern = cairo_get_source (cr);;

        cairo_matrix_init_identity (&matrix);
        cairo_matrix_scale (&matrix,
                            (double) width / (double) dst_width,
                            (double) height / (double) dst_height);
        cairo_matrix_translate (&matrix, -x, -y);
        cairo_pattern_set_matrix (pattern, &matrix);
        cairo_pattern_set_filter (pattern,
                                  config->bilinear_filter
                                       ? CAIRO_FILTER_BILINEAR
                                       : CAIRO_FILTER_NEAREST);
    }

    cairo_rectangle (cr, x, y, dst_width, dst_height);
    cairo_fill (cr);

    cairo_destroy (cr);

    window->set_mouseable_area (x, y, width, height);

    return;
}
Exemplo n.º 4
0
gboolean
_gst_playbin_get_current_frame (GstElement          *playbin,
				int                  video_fps_n,
				int                  video_fps_d,
				FrameReadyCallback   cb,
				gpointer             user_data)
{
	ScreenshotData *data;
	GstCaps        *to_caps;
	GstSample      *sample;
	GstCaps        *sample_caps;
	GstStructure   *s;
	int             outwidth;
	int             outheight;

	data = g_new0 (ScreenshotData, 1);
	data->cb = cb;
	data->user_data = user_data;

	/* our desired output format (RGB24) */
	to_caps = gst_caps_new_simple ("video/x-raw",
				       "format", G_TYPE_STRING, "RGB",
				       /* Note: we don't ask for a specific width/height here, so that
				        * videoscale can adjust dimensions from a non-1/1 pixel aspect
				        * ratio to a 1/1 pixel-aspect-ratio. We also don't ask for a
				        * specific framerate, because the input framerate won't
				        * necessarily match the output framerate if there's a deinterlacer
				        * in the pipeline. */
				       "pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1,
				       NULL);

	/* get frame */
	sample = NULL;
	g_signal_emit_by_name (playbin, "convert-sample", to_caps, &sample);
	gst_caps_unref (to_caps);

	if (sample == NULL) {
		g_warning ("Could not take screenshot: %s", "failed to retrieve or convert video frame");
		screenshot_data_finalize (data);
		return FALSE;
	}

	sample_caps = gst_sample_get_caps (sample);
	if (sample_caps == NULL) {
		g_warning ("Could not take screenshot: %s", "no caps on output buffer");
		return FALSE;
	}

	s = gst_caps_get_structure (sample_caps, 0);
	gst_structure_get_int (s, "width", &outwidth);
	gst_structure_get_int (s, "height", &outheight);
	if ((outwidth > 0) && (outheight > 0)) {
		GstMemory  *memory;
		GstMapInfo  info;

		memory = gst_buffer_get_memory (gst_sample_get_buffer (sample), 0);
		gst_memory_map (memory, &info, GST_MAP_READ);
		data->pixbuf = gdk_pixbuf_new_from_data (info.data,
							 GDK_COLORSPACE_RGB,
							 FALSE,
							 8,
							 outwidth,
							 outheight,
							 GST_ROUND_UP_4 (outwidth * 3),
							 destroy_pixbuf,
							 sample);

		gst_memory_unmap (memory, &info);
	}

	if (data->pixbuf == NULL)
		g_warning ("Could not take screenshot: %s", "could not create pixbuf");

	screenshot_data_finalize (data);

	return TRUE;
}
Exemplo n.º 5
0
int loadImage( struct pixel * rgbImage)
{
	GdkPixbuf *pixbuf = gdk_pixbuf_new_from_data((unsigned char*)rgbImage, GDK_COLORSPACE_RGB, FALSE, 8, CAMERA_WIDTH, CAMERA_HEIGHT, CAMERA_WIDTH  * 3, NULL, NULL);
	gtk_image_set_from_pixbuf((GtkImage*) image, pixbuf);
	//gtk_widget_queue_draw(image);
}
Exemplo n.º 6
0
int
main (int argc, char **argv)
{
	int i;
	int found_valid = FALSE;

	GdkPixbuf *pixbuf;
	GdkPixbufLoader *pixbuf_loader;

	gtk_init (&argc, &argv);

	gdk_rgb_set_verbose (TRUE);

	gdk_rgb_init ();

	gtk_widget_set_default_colormap (gdk_rgb_get_cmap ());
	gtk_widget_set_default_visual (gdk_rgb_get_visual ());

	{
		char *tbf_readlen = getenv("TBF_READLEN");
		if(tbf_readlen) readlen = atoi(tbf_readlen);
	}

	{
		char *tbf_bps = getenv("TBF_KBPS");
		guint bps;

		if (tbf_bps) {
			bps = atoi(tbf_bps);
			g_print ("Simulating %d kBytes/sec\n", bps);
			readlen = (bps*1024)/10;
		}
	}

	i = 1;
	if (argc == 1) {
                const gchar*** xpmp;
                
		pixbuf = gdk_pixbuf_new_from_data (default_image, GDK_COLORSPACE_RGB, FALSE, 8,
						   DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_WIDTH * 3,
						   NULL, NULL);
		new_testrgb_window (pixbuf, NULL);

                xpmp = xpms;
                while (*xpmp) {
                        pixbuf = gdk_pixbuf_new_from_xpm_data (*xpmp);
                        new_testrgb_window (pixbuf, NULL);
                        ++xpmp;
                }
                
		found_valid = TRUE;
	} else {
		for (i = 1; i < argc; i++) {

			pixbuf = gdk_pixbuf_new_from_file (argv[i]);
#if 0
			pixbuf = gdk_pixbuf_rotate(pixbuf, 10.0);
#endif

			if (pixbuf) {
				new_testrgb_window (pixbuf, "File");
				found_valid = TRUE;
			}
		}
#if 1
                {
                        GtkWidget* rgb_window = NULL;
			ProgressFileStatus   status;

                        pixbuf_loader = gdk_pixbuf_loader_new ();
			status.loader = pixbuf_loader;

			status.rgbwin = &rgb_window;

			status.buf = g_malloc (readlen);
                        gtk_signal_connect(GTK_OBJECT(pixbuf_loader),
                                           "area_prepared",
                                           GTK_SIGNAL_FUNC(progressive_prepared_callback),
                                           &rgb_window);

                        gtk_signal_connect(GTK_OBJECT(pixbuf_loader),
                                           "area_updated",
                                           GTK_SIGNAL_FUNC(progressive_updated_callback),
                                           &rgb_window);

			
                        status.imagefile = fopen (argv[1], "r");
                        g_assert (status.imagefile != NULL);

			status.readlen = readlen;

                        status.timeout = gtk_timeout_add(100, update_timeout, &status);
                }
#endif
	}

	if (found_valid)
		gtk_main ();

	return 0;
}
Exemplo n.º 7
0
Arquivo: io-tiff.c Projeto: hb/gtk
static GdkPixbuf *
tiff_image_parse (TIFF *tiff, TiffContext *context, GError **error)
{
	guchar *pixels = NULL;
	gint width, height, rowstride, bytes;
	GdkPixbuf *pixbuf;
	uint16 orientation = 0;
	uint16 transform = 0;
        uint16 codec;
        gchar *icc_profile_base64;
        const gchar *icc_profile;
        guint icc_profile_size;
        gint retval;

        /* We're called with the lock held. */
        
        g_return_val_if_fail (global_error == NULL, NULL);

	if (!TIFFGetField (tiff, TIFFTAG_IMAGEWIDTH, &width) || global_error) {
                tiff_set_error (error,
                                GDK_PIXBUF_ERROR_FAILED,
                                _("Could not get image width (bad TIFF file)"));
                return NULL;
        }
        
        if (!TIFFGetField (tiff, TIFFTAG_IMAGELENGTH, &height) || global_error) {
                tiff_set_error (error,
                                GDK_PIXBUF_ERROR_FAILED,
                                _("Could not get image height (bad TIFF file)"));
                return NULL;
        }

        if (width <= 0 || height <= 0) {
                g_set_error_literal (error,
                                     GDK_PIXBUF_ERROR,
                                     GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
                                     _("Width or height of TIFF image is zero"));
                return NULL;                
        }
        
        rowstride = width * 4;
        if (rowstride / 4 != width) { /* overflow */
                g_set_error_literal (error,
                                     GDK_PIXBUF_ERROR,
                                     GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
                                     _("Dimensions of TIFF image too large"));
                return NULL;                
        }
        
        bytes = height * rowstride;
        if (bytes / rowstride != height) { /* overflow */
                g_set_error_literal (error,
                                     GDK_PIXBUF_ERROR,
                                     GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
                                     _("Dimensions of TIFF image too large"));
                return NULL;                
        }

	if (context && context->size_func) {
                gint w = width;
                gint h = height;
		(* context->size_func) (&w, &h, context->user_data);
                
		/* This is a signal that this function is being called
		   to support gdk_pixbuf_get_file_info, so we can stop
		   parsing the tiff file at this point. It is not an
		   error condition. */

                if (w == 0 || h == 0)
                    return NULL;
        }

        pixels = g_try_malloc (bytes);

        if (!pixels) {
                g_set_error_literal (error,
                                     GDK_PIXBUF_ERROR,
                                     GDK_PIXBUF_ERROR_INSUFFICIENT_MEMORY,
                                     _("Insufficient memory to open TIFF file"));
                return NULL;
        }

	pixbuf = gdk_pixbuf_new_from_data (pixels, GDK_COLORSPACE_RGB, TRUE, 8, 
                                           width, height, rowstride,
                                           free_buffer, NULL);
        if (!pixbuf) {
                g_free (pixels);
                g_set_error_literal (error,
                                     GDK_PIXBUF_ERROR,
                                     GDK_PIXBUF_ERROR_INSUFFICIENT_MEMORY,
                                     _("Insufficient memory to open TIFF file"));
                return NULL;
        }

	/* Set the "orientation" key associated with this image. libtiff 
	   orientation handling is odd, so further processing is required
	   by higher-level functions based on this tag. If the embedded
	   orientation tag is 1-4, libtiff flips/mirrors the image as
	   required, and no client processing is required - so we report 
	   no orientation. Orientations 5-8 require rotations which would 
	   swap the width and height of the image. libtiff does not do this. 
	   Instead it interprets orientations 5-8 the same as 1-4. 
	   See http://bugzilla.remotesensing.org/show_bug.cgi?id=1548.
	   To correct for this, the client must apply the transform normally
	   used for orientation 5 to both orientations 5 and 7, and apply
	   the transform normally used for orientation 7 for both
	   orientations 6 and 8. Then everythings works out OK! */
	
	TIFFGetField (tiff, TIFFTAG_ORIENTATION, &orientation);

	switch (orientation) {
		case 5:
		case 7:
			transform = 5;
			break;
		case 6:
		case 8:
			transform = 7;
			break;
		default:
			transform = 0;
			break;
	}

	if (transform > 0 ) {
		gchar str[5];
		g_snprintf (str, sizeof (str), "%d", transform);
		gdk_pixbuf_set_option (pixbuf, "orientation", str);
	}

        TIFFGetField (tiff, TIFFTAG_COMPRESSION, &codec);
        if (codec > 0) {
          gchar str[5];
          g_snprintf (str, sizeof (str), "%d", codec);
          gdk_pixbuf_set_option (pixbuf, "compression", str);
        }

        /* Extract embedded ICC profile */
        retval = TIFFGetField (tiff, TIFFTAG_ICCPROFILE, &icc_profile_size, &icc_profile);
        if (retval == 1) {
                icc_profile_base64 = g_base64_encode ((const guchar *) icc_profile, icc_profile_size);
                gdk_pixbuf_set_option (pixbuf, "icc-profile", icc_profile_base64);
                g_free (icc_profile_base64);
        }

	if (context && context->prepare_func)
		(* context->prepare_func) (pixbuf, NULL, context->user_data);

	if (!TIFFReadRGBAImageOriented (tiff, width, height, (uint32 *)pixels, ORIENTATION_TOPLEFT, 1) || global_error) {
		tiff_set_error (error,
                                GDK_PIXBUF_ERROR_FAILED,
                                _("Failed to load RGB data from TIFF file"));
		g_object_unref (pixbuf);
		return NULL;
	}

#if G_BYTE_ORDER == G_BIG_ENDIAN
	/* Turns out that the packing used by TIFFRGBAImage depends on 
         * the host byte order... 
         */ 
	while (pixels < pixbuf->pixels + bytes) {
		uint32 pixel = *(uint32 *)pixels;
		int r = TIFFGetR(pixel);
		int g = TIFFGetG(pixel);
		int b = TIFFGetB(pixel);
		int a = TIFFGetA(pixel);
		*pixels++ = r;
		*pixels++ = g;
		*pixels++ = b;
		*pixels++ = a;
	}
#endif

	if (context && context->update_func)
		(* context->update_func) (pixbuf, 0, 0, width, height, context->user_data);

        return pixbuf;
}
Exemplo n.º 8
0
/**
 * gdk_pixbuf_from_pixdata:
 * @pixdata: a #GdkPixdata to convert into a #GdkPixbuf.
 * @copy_pixels: whether to copy raw pixel data; run-length encoded
 *     pixel data is always copied.
 * @error: location to store possible errors.
 * 
 * Converts a #GdkPixdata to a #GdkPixbuf. If @copy_pixels is %TRUE or
 * if the pixel data is run-length-encoded, the pixel data is copied into
 * newly-allocated memory; otherwise it is reused.
 *
 * Returns: (transfer full): a new #GdkPixbuf.
 * Deprecated: 2.32: Use #GResource instead.
 **/
GdkPixbuf*
gdk_pixbuf_from_pixdata (const GdkPixdata *pixdata,
			 gboolean          copy_pixels,
			 GError          **error)
{
  guint encoding, bpp;
  guint8 *data = NULL;

  g_return_val_if_fail (pixdata != NULL, NULL);
  g_return_val_if_fail (pixdata->width > 0, NULL);
  g_return_val_if_fail (pixdata->height > 0, NULL);
  g_return_val_if_fail (pixdata->rowstride >= pixdata->width, NULL);
  g_return_val_if_fail ((pixdata->pixdata_type & GDK_PIXDATA_COLOR_TYPE_MASK) == GDK_PIXDATA_COLOR_TYPE_RGB ||
			(pixdata->pixdata_type & GDK_PIXDATA_COLOR_TYPE_MASK) == GDK_PIXDATA_COLOR_TYPE_RGBA, NULL);
  g_return_val_if_fail ((pixdata->pixdata_type & GDK_PIXDATA_SAMPLE_WIDTH_MASK) == GDK_PIXDATA_SAMPLE_WIDTH_8, NULL);
  g_return_val_if_fail ((pixdata->pixdata_type & GDK_PIXDATA_ENCODING_MASK) == GDK_PIXDATA_ENCODING_RAW ||
			(pixdata->pixdata_type & GDK_PIXDATA_ENCODING_MASK) == GDK_PIXDATA_ENCODING_RLE, NULL);
  g_return_val_if_fail (pixdata->pixel_data != NULL, NULL);

  bpp = (pixdata->pixdata_type & GDK_PIXDATA_COLOR_TYPE_MASK) == GDK_PIXDATA_COLOR_TYPE_RGB ? 3 : 4;
  encoding = pixdata->pixdata_type & GDK_PIXDATA_ENCODING_MASK;

  g_debug ("gdk_pixbuf_from_pixdata() called on:");
  g_debug ("\tEncoding %s", encoding == GDK_PIXDATA_ENCODING_RAW ? "raw" : "rle");
  g_debug ("\tDimensions: %d x %d", pixdata->width, pixdata->height);
  g_debug ("\tRowstride: %d, Length: %d", pixdata->rowstride, pixdata->length);
  g_debug ("\tCopy pixels == %s", copy_pixels ? "true" : "false");

  if (encoding == GDK_PIXDATA_ENCODING_RLE)
    copy_pixels = TRUE;

  /* Sanity check the length and dimensions */
  if (SIZE_OVERFLOWS (pixdata->height, pixdata->rowstride))
    {
      g_set_error_literal (error, GDK_PIXBUF_ERROR,
                           GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
                           _("Image pixel data corrupt"));
      return NULL;
    }

  if (encoding == GDK_PIXDATA_ENCODING_RAW &&
      pixdata->length >= 1 &&
      pixdata->length < pixdata->height * pixdata->rowstride - GDK_PIXDATA_HEADER_LENGTH)
    {
      g_set_error_literal (error, GDK_PIXBUF_ERROR,
                           GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
                           _("Image pixel data corrupt"));
      return NULL;
    }

  if (copy_pixels)
    {
      data = g_try_malloc_n (pixdata->height, pixdata->rowstride);
      if (!data)
	{
	  g_set_error (error, GDK_PIXBUF_ERROR,
		       GDK_PIXBUF_ERROR_INSUFFICIENT_MEMORY,
		       g_dngettext(GETTEXT_PACKAGE,
				   "failed to allocate image buffer of %u byte",
				   "failed to allocate image buffer of %u bytes",
				   pixdata->rowstride * pixdata->height),
		       pixdata->rowstride * pixdata->height);
	  return NULL;
	}
    }
  if (encoding == GDK_PIXDATA_ENCODING_RLE)
    {
      const guint8 *rle_buffer = pixdata->pixel_data;
      guint8 *rle_buffer_limit = NULL;
      guint8 *image_buffer = data;
      guint8 *image_limit = data + pixdata->rowstride * pixdata->height;
      gboolean check_overrun = FALSE;

      if (pixdata->length >= 1)
        rle_buffer_limit = pixdata->pixel_data + pixdata->length - GDK_PIXDATA_HEADER_LENGTH;

      while (image_buffer < image_limit &&
             (rle_buffer_limit != NULL || rle_buffer > rle_buffer_limit))
	{
	  guint length;

	  if (RLE_OVERRUN(1))
	    {
	      check_overrun = TRUE;
	      break;
	    }

	  length = *(rle_buffer++);

	  if (length & 128)
	    {
	      length = length - 128;
	      check_overrun = image_buffer + length * bpp > image_limit;
	      if (check_overrun)
		length = (image_limit - image_buffer) / bpp;
	      if (RLE_OVERRUN(bpp < 4 ? 3 : 4))
	        {
	          check_overrun = TRUE;
	          break;
	        }
	      if (bpp < 4)	/* RGB */
		do
		  {
		    memcpy (image_buffer, rle_buffer, 3);
		    image_buffer += 3;
		  }
		while (--length);
	      else		/* RGBA */
		do
		  {
		    memcpy (image_buffer, rle_buffer, 4);
		    image_buffer += 4;
		  }
		while (--length);
	      if (RLE_OVERRUN(bpp))
	        {
	          check_overrun = TRUE;
	          break;
		}
	      rle_buffer += bpp;
	    }
	  else
	    {
	      length *= bpp;
	      check_overrun = image_buffer + length > image_limit;
	      if (check_overrun)
		length = image_limit - image_buffer;
	      if (RLE_OVERRUN(length))
	        {
	          check_overrun = TRUE;
	          break;
		}
	      memcpy (image_buffer, rle_buffer, length);
	      image_buffer += length;
	      rle_buffer += length;
	    }
	}
      if (check_overrun)
	{
	  g_free (data);
	  g_set_error_literal (error, GDK_PIXBUF_ERROR,
                               GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
                               _("Image pixel data corrupt"));
	  return NULL;
	}
    }
  else if (copy_pixels)
    memcpy (data, pixdata->pixel_data, pixdata->rowstride * pixdata->height);
  else
    data = pixdata->pixel_data;

  return gdk_pixbuf_new_from_data (data, GDK_COLORSPACE_RGB,
				   (pixdata->pixdata_type & GDK_PIXDATA_COLOR_TYPE_MASK) == GDK_PIXDATA_COLOR_TYPE_RGBA,
				   8, pixdata->width, pixdata->height, pixdata->rowstride,
				   copy_pixels ? (GdkPixbufDestroyNotify) g_free : NULL, data);
}
Exemplo n.º 9
0
static void _view_map_changed_callback(OsmGpsMap *map, dt_view_t *self)
{
  dt_map_t *lib = (dt_map_t *)self->data;

  const int ts = 64;
  OsmGpsMapPoint bb[2];

  /* get bounding box coords */
  osm_gps_map_get_bbox(map, &bb[0], &bb[1]);
  float bb_0_lat = 0.0, bb_0_lon = 0.0, bb_1_lat = 0.0, bb_1_lon = 0.0;
  osm_gps_map_point_get_degrees(&bb[0], &bb_0_lat, &bb_0_lon);
  osm_gps_map_point_get_degrees(&bb[1], &bb_1_lat, &bb_1_lon);

  /* make the bounding box a little bigger to the west and south */
  float lat0 = 0.0, lon0 = 0.0, lat1 = 0.0, lon1 = 0.0;
  OsmGpsMapPoint *pt0 = osm_gps_map_point_new_degrees(0.0, 0.0), *pt1 = osm_gps_map_point_new_degrees(0.0, 0.0);
  osm_gps_map_convert_screen_to_geographic(map, 0, 0, pt0);
  osm_gps_map_convert_screen_to_geographic(map, 1.5*ts, 1.5*ts, pt1);
  osm_gps_map_point_get_degrees(pt0, &lat0, &lon0);
  osm_gps_map_point_get_degrees(pt1, &lat1, &lon1);
  osm_gps_map_point_free(pt0);
  osm_gps_map_point_free(pt1);
  double south_border = lat0 - lat1, west_border = lon1 - lon0;

  /* get map view state and store  */
  int zoom;
  float center_lat, center_lon;
  g_object_get(G_OBJECT(map), "zoom", &zoom, "latitude", &center_lat, "longitude", &center_lon, NULL);
  dt_conf_set_float("plugins/map/longitude", center_lon);
  dt_conf_set_float("plugins/map/latitude", center_lat);
  dt_conf_set_int("plugins/map/zoom", zoom);

  /* let's reset and reuse the main_query statement */
  DT_DEBUG_SQLITE3_CLEAR_BINDINGS(lib->statements.main_query);
  DT_DEBUG_SQLITE3_RESET(lib->statements.main_query);

  /* bind bounding box coords for the main query */
  DT_DEBUG_SQLITE3_BIND_DOUBLE(lib->statements.main_query, 1, bb_0_lon - west_border);
  DT_DEBUG_SQLITE3_BIND_DOUBLE(lib->statements.main_query, 2, bb_1_lon);
  DT_DEBUG_SQLITE3_BIND_DOUBLE(lib->statements.main_query, 3, bb_0_lat);
  DT_DEBUG_SQLITE3_BIND_DOUBLE(lib->statements.main_query, 4, bb_1_lat - south_border);
  DT_DEBUG_SQLITE3_BIND_DOUBLE(lib->statements.main_query, 5, center_lat);
  DT_DEBUG_SQLITE3_BIND_DOUBLE(lib->statements.main_query, 6, center_lon);

  /* remove the old images */
  osm_gps_map_image_remove_all(map);
  if(lib->images)
  {
    g_slist_foreach(lib->images, (GFunc) g_free, NULL);
    g_slist_free(lib->images);
    lib->images = NULL;
  }

  /* add  all images to the map */
  gboolean needs_redraw = FALSE;
  dt_mipmap_size_t mip = dt_mipmap_cache_get_matching_size(darktable.mipmap_cache, ts, ts);
  while(sqlite3_step(lib->statements.main_query) == SQLITE_ROW)
  {
    int imgid = sqlite3_column_int(lib->statements.main_query, 0);
    dt_mipmap_buffer_t buf;
    dt_mipmap_cache_read_get(darktable.mipmap_cache, &buf, imgid, mip, DT_MIPMAP_BEST_EFFORT);

    if(buf.buf)
    {
      uint8_t *scratchmem = dt_mipmap_cache_alloc_scratchmem(darktable.mipmap_cache);
      uint8_t *buf_decompressed = dt_mipmap_cache_decompress(&buf, scratchmem);

      uint8_t *rgbbuf = g_malloc((buf.width+2)*(buf.height+2)*3);
      memset(rgbbuf, 64, (buf.width+2)*(buf.height+2)*3);
      for(int i=1; i<=buf.height; i++)
        for(int j=1; j<=buf.width; j++)
          for(int k=0; k<3; k++)
            rgbbuf[(i*(buf.width+2)+j)*3+k] = buf_decompressed[((i-1)*buf.width+j-1)*4+2-k];

      int w=ts, h=ts;
      if(buf.width < buf.height) w = (buf.width*ts)/buf.height; // portrait
      else                       h = (buf.height*ts)/buf.width; // landscape

      GdkPixbuf *source = gdk_pixbuf_new_from_data(rgbbuf, GDK_COLORSPACE_RGB, FALSE, 8, (buf.width+2), (buf.height+2), (buf.width+2)*3, NULL, NULL);
      GdkPixbuf *scaled = gdk_pixbuf_scale_simple(source, w, h, GDK_INTERP_HYPER);
      //TODO: add back the arrow on the left lower corner of the image, pointing to the location
      const dt_image_t *cimg = dt_image_cache_read_get(darktable.image_cache, imgid);
      dt_map_image_t *entry = (dt_map_image_t*)g_malloc(sizeof(dt_map_image_t));
      entry->imgid = imgid;
      entry->image = osm_gps_map_image_add_with_alignment(map, cimg->latitude, cimg->longitude, scaled, 0, 1);
      entry->width = w;
      entry->height = h;
      lib->images = g_slist_prepend(lib->images, entry);
      dt_image_cache_read_release(darktable.image_cache, cimg);

      if(source)
        g_object_unref(source);
      if(scaled)
        g_object_unref(scaled);
      g_free(rgbbuf);
    }
    else
      needs_redraw = TRUE;
    dt_mipmap_cache_read_release(darktable.mipmap_cache, &buf);
  }

  // not exactly thread safe, but should be good enough for updating the display
  static int timeout_event_source = 0;
  if(needs_redraw && timeout_event_source == 0)
    timeout_event_source = g_timeout_add_seconds(1, _view_map_redraw, self); // try again in a second, maybe some pictures have loaded by then
  else
    timeout_event_source = 0;
}
Exemplo n.º 10
0
static void rc_prepare_post_process_lut(RendererClutter *rc)
{
	PixbufRenderer *pr = rc->pr;
	static guchar clut[CLUT_SIZE * CLUT_SIZE * CLUT_SIZE * 3];
	guint r, g, b;
	GdkPixbuf *tmp_pixbuf;
	CoglHandle material;
	CoglHandle tex3d;

	DEBUG_3("%s clut start", get_exec_time());

	for (r = 0; r < CLUT_SIZE; r++)
		{
		for (g = 0; g < CLUT_SIZE; g++)
			{
			for (b = 0; b < CLUT_SIZE; b++)
				{
				guchar *ptr = clut + ((b * CLUT_SIZE + g) * CLUT_SIZE + r) * 3;
				ptr[0] = floor ((double) r / (CLUT_SIZE - 1) * 255.0 + 0.5);
				ptr[1] = floor ((double) g / (CLUT_SIZE - 1) * 255.0 + 0.5);
				ptr[2] = floor ((double) b / (CLUT_SIZE - 1) * 255.0 + 0.5);
				}
			}
		}
	tmp_pixbuf = gdk_pixbuf_new_from_data(clut, GDK_COLORSPACE_RGB, FALSE, 8,
					      CLUT_SIZE * CLUT_SIZE,
					      CLUT_SIZE,
					      CLUT_SIZE * CLUT_SIZE * 3,
					      NULL, NULL);
	if (pr->func_post_process)
		{
		pr->func_post_process(pr, &tmp_pixbuf, 0, 0, CLUT_SIZE * CLUT_SIZE, CLUT_SIZE, pr->post_process_user_data);
		}
	g_object_unref(tmp_pixbuf);

	DEBUG_3("%s clut upload start", get_exec_time());
#if COGL_VERSION_CHECK(1,18,2)
	{
	CoglContext *ctx = clutter_backend_get_cogl_context(clutter_get_default_backend ());

	tex3d = cogl_texture_3d_new_from_data(ctx,
					      CLUT_SIZE, CLUT_SIZE, CLUT_SIZE,
					      COGL_PIXEL_FORMAT_RGB_888,
					      CLUT_SIZE * 3,
					      CLUT_SIZE * CLUT_SIZE * 3,
					      clut,
					      NULL);
	}
#elif COGL_VERSION_CHECK(1,10,4)
	{
	CoglContext *ctx = clutter_backend_get_cogl_context(clutter_get_default_backend ());

	tex3d = cogl_texture_3d_new_from_data(ctx,
					      CLUT_SIZE, CLUT_SIZE, CLUT_SIZE,
					      COGL_PIXEL_FORMAT_RGB_888,
					      COGL_PIXEL_FORMAT_RGB_888,
					      CLUT_SIZE * 3,
					      CLUT_SIZE * CLUT_SIZE * 3,
					      clut,
					      NULL);
	}
#else
	tex3d = cogl_texture_3d_new_from_data(CLUT_SIZE, CLUT_SIZE, CLUT_SIZE,
					      COGL_TEXTURE_NONE,
					      COGL_PIXEL_FORMAT_RGB_888,
					      COGL_PIXEL_FORMAT_RGB_888,
					      CLUT_SIZE * 3,
					      CLUT_SIZE * CLUT_SIZE * 3,
					      clut,
					      NULL);
#endif
	material = clutter_texture_get_cogl_material(CLUTTER_TEXTURE(rc->texture));
	cogl_material_set_layer(material, 1, tex3d);
	cogl_handle_unref(tex3d);
	DEBUG_3("%s clut end", get_exec_time());
	rc->clut_updated = TRUE;
}
Exemplo n.º 11
0
/**
 * gdk_pixdata_from_pixbuf: (skip)
 * @pixdata: a #GdkPixdata to fill.
 * @pixbuf: the data to fill @pixdata with.
 * @use_rle: whether to use run-length encoding for the pixel data.
 *
 * Converts a #GdkPixbuf to a #GdkPixdata. If @use_rle is %TRUE, the
 * pixel data is run-length encoded into newly-allocated memory and a 
 * pointer to that memory is returned. 
 *
 * Returns: (nullable): If @use_rle is %TRUE, a pointer to the
 *   newly-allocated memory for the run-length encoded pixel data,
 *   otherwise %NULL.
 *
 * Deprecated: 2.32: Use #GResource instead.
 **/
gpointer
gdk_pixdata_from_pixbuf (GdkPixdata      *pixdata,
			 const GdkPixbuf *pixbuf,
			 gboolean         use_rle)
{
  gpointer free_me = NULL;
  guint height, rowstride, encoding, bpp, length;
  guint8 *img_buffer;

  g_return_val_if_fail (pixdata != NULL, NULL);
  g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
  g_return_val_if_fail (pixbuf->bits_per_sample == 8, NULL);
  g_return_val_if_fail ((pixbuf->n_channels == 3 && !pixbuf->has_alpha) ||
			(pixbuf->n_channels == 4 && pixbuf->has_alpha), NULL);
  g_return_val_if_fail (pixbuf->rowstride >= pixbuf->width, NULL);

  height = pixbuf->height;
  rowstride = pixbuf->rowstride;
  bpp = pixbuf->has_alpha ? 4 : 3;
  encoding = use_rle && ((rowstride / bpp | height) > 1) ? GDK_PIXDATA_ENCODING_RLE : GDK_PIXDATA_ENCODING_RAW;

  if (encoding == GDK_PIXDATA_ENCODING_RLE)
    {
      guint pad, n_bytes = rowstride * height;
      guint8 *img_buffer_end, *data;
      GdkPixbuf *buf = NULL;

      if (n_bytes % bpp != 0) 
	{
	  rowstride = pixbuf->width * bpp;
	  n_bytes = rowstride * height;
	  data = g_malloc (n_bytes);
	  buf = gdk_pixbuf_new_from_data (data,
					  GDK_COLORSPACE_RGB,
					  pixbuf->has_alpha, 8,
					  pixbuf->width,
					  pixbuf->height,
					  rowstride,
					  free_buffer, NULL);
	  gdk_pixbuf_copy_area (pixbuf, 0, 0, pixbuf->width, pixbuf->height,
				buf, 0, 0);
	}
      else
	buf = (GdkPixbuf *)pixbuf;
      pad = rowstride;
      pad = MAX (pad, 130 + n_bytes / 127);
      data = g_new (guint8, pad + n_bytes);
      free_me = data;
      img_buffer = data;
      img_buffer_end = rl_encode_rgbx (img_buffer,
				       buf->pixels, buf->pixels + n_bytes,
				       bpp);
      length = img_buffer_end - img_buffer;
      if (buf != pixbuf)
	g_object_unref (buf);
    }
  else
    {
      img_buffer = pixbuf->pixels;
      length = rowstride * height;
    }

  pixdata->magic = GDK_PIXBUF_MAGIC_NUMBER;
  pixdata->length = GDK_PIXDATA_HEADER_LENGTH + length;
  pixdata->pixdata_type = pixbuf->has_alpha ? GDK_PIXDATA_COLOR_TYPE_RGBA : GDK_PIXDATA_COLOR_TYPE_RGB;
  pixdata->pixdata_type |= GDK_PIXDATA_SAMPLE_WIDTH_8;
  pixdata->pixdata_type |= encoding;
  pixdata->rowstride = rowstride;
  pixdata->width = pixbuf->width;
  pixdata->height = height;
  pixdata->pixel_data = img_buffer;

  return free_me;
}
Exemplo n.º 12
0
int
main (int argc, char *argv[])
{
  ClutterActor   *video;
  GdkPixbuf      *shot = NULL;
  gint            duration;
  CoglHandle      tex_id;
  CoglPixelFormat format;
  gint            size;
  gint            width;
  gint            height; 
  gint            rowstride;
  guchar         *data = NULL;

#ifdef USE_HELIX
  clutter_helix_init (&argc, &argv);
#else
  gst_init (&argc, &argv);
#endif
  clutter_init (&argc, &argv);

  if (argc < 3)
    {
      g_print ("Usage: %s <path to movie file> <output png>\n", argv[0]);
      exit(-1);
    }

  totem_resources_monitor_start (argv[1], 60 * G_USEC_PER_SEC);

#ifdef USE_HELIX
  video = clutter_helix_video_texture_new ();
#else
  video = clutter_gst_video_texture_new ();
#endif

  if (argv[1][0] == '/')
    clutter_media_set_filename(CLUTTER_MEDIA(video), argv[1]);
  else
    clutter_media_set_uri(CLUTTER_MEDIA(video), argv[1]);
  clutter_media_set_volume (CLUTTER_MEDIA(video), 0);
  clutter_media_set_playing (CLUTTER_MEDIA(video), TRUE);

  do {

    while (g_main_context_pending (NULL))
      g_main_context_iteration (NULL, FALSE);

    duration = clutter_media_get_duration (CLUTTER_MEDIA(video));

  } while (duration == 0);

  clutter_actor_realize (video);

  clutter_media_set_position (CLUTTER_MEDIA(video), duration/3);

  do {

    while (g_main_context_pending (NULL))
      g_main_context_iteration (NULL, FALSE);

  } while (clutter_media_get_position (CLUTTER_MEDIA(video)) <= duration/3);

  tex_id = clutter_texture_get_cogl_texture (CLUTTER_TEXTURE (video));
  if (tex_id)
    {
      format = cogl_texture_get_format (tex_id);
      size = cogl_texture_get_data (tex_id, format, 0, NULL);
      width = cogl_texture_get_width (tex_id);
      height = cogl_texture_get_height (tex_id);
      rowstride = cogl_texture_get_rowstride (tex_id);
      
      data = (guchar*) g_malloc (sizeof(guchar) * size);
      if (!data)
	g_error ("malloc");;

      cogl_texture_get_data (tex_id, format, rowstride, data);


      shot = gdk_pixbuf_new_from_data (data, 
				       GDK_COLORSPACE_RGB, 
				       FALSE, 
				       8,
				       width, 
				       height, 
				       rowstride, 
				       NULL, 
				       NULL);
      
    }

  totem_resources_monitor_stop ();

  if (shot)
    {
      GdkPixbuf *thumb, *pic;
      gint       x, y, nw, nh, w, h, size;
      
      size = 128;

      /* FIXME swap RGB pixels */

      w = clutter_actor_get_width (video);
      h = clutter_actor_get_height (video);
      
      nh = ( h * size) / w;

      if (nh <= size)
	{
	  nw = size;
	  x = 0;
	  y = (size - nh) / 2;
	}
      else
	{
	  nw  = ( w * size ) / h;
	  nh = size;
	  x = (size - nw) / 2;
	  y = 0;
	}

      thumb = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, size, size);
      gdk_pixbuf_fill (thumb, 0x000000FF);

      pic = gdk_pixbuf_scale_simple (shot, nw, nh, GDK_INTERP_BILINEAR);
      gdk_pixbuf_copy_area  (pic, 0, 0, nw, nh, thumb, x, y);
      
      if (!gdk_pixbuf_save (thumb, argv[2], "png", NULL, NULL))
	{
	  g_error ("%s: Pixbuf save failed\n", argv[0]);
	  exit(-1);
	}

      g_object_unref (shot);
      g_object_unref (thumb);
      g_object_unref (pic);

      exit(0);
    }

  exit (-1);
}
Exemplo n.º 13
0
/* [gtk thread] */
static GtkWidget *build_menu_item(ALLEGRO_MENU_ITEM *aitem)
{
   GtkWidget *gitem;
   
   if (!aitem->caption) {
      gitem = gtk_separator_menu_item_new();
   }
   else {
      ALLEGRO_USTR *caption = al_ustr_dup(aitem->caption);
      
      /* convert & to _ using unprintable chars as placeholders */
      al_ustr_find_replace_cstr(caption, 0, "_", "\x01\x02");
      al_ustr_find_replace_cstr(caption, 0, "&", "_");
      al_ustr_find_replace_cstr(caption, 0, "\x01\x02", "__");
      
      if (aitem->flags & ALLEGRO_MENU_ITEM_CHECKBOX) {
         gitem = gtk_check_menu_item_new_with_mnemonic(al_cstr(caption));
         gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(gitem), aitem->flags & ALLEGRO_MENU_ITEM_CHECKED);
         g_signal_connect_swapped (gitem, "toggled", G_CALLBACK(checkbox_on_toggle),
            (gpointer) aitem);
      }
      else {
         /* always create an image menu item, in case the user ever sets an icon */
         gitem = gtk_image_menu_item_new_with_mnemonic(al_cstr(caption));
         
         if (aitem->icon) {
            const int w = al_get_bitmap_width(aitem->icon), h = al_get_bitmap_height(aitem->icon);
            const int stride = w * 4;
            int x, y, i;
            GdkPixbuf *pixbuf;
            uint8_t *data = al_malloc(stride * h);
            
            if (data) {
               for (y = 0, i = 0; y < h; ++y) {
                  for (x = 0; x < w; ++x, i += 4) {
                     al_unmap_rgba(al_get_pixel(aitem->icon, x, y),
                        &data[i],
                        &data[i + 1],
                        &data[i + 2],
                        &data[i + 3]
                     );
                  }
               }
               
               pixbuf = gdk_pixbuf_new_from_data (data, GDK_COLORSPACE_RGB, TRUE, 8,
                  w, h, stride, destroy_pixbuf, NULL);
               
               aitem->extra2 = gtk_image_new_from_pixbuf(pixbuf);
               
               gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(gitem), aitem->extra2);
               
               /* Subtract the main reference. the image still holds a reference, so the
                * pixbuf won't be destroyed until the image itself is. */
               g_object_unref(pixbuf);
            }
         }
      }
      
      al_ustr_free(caption);
      
      gtk_widget_set_sensitive(gitem, !(aitem->flags & ALLEGRO_MENU_ITEM_DISABLED));
      
      aitem->extra1 = gitem;
      
      if (aitem->popup) {
         GtkWidget *gsubmenu = gtk_menu_new();
         build_menu(gsubmenu, aitem->popup);
         aitem->popup->extra1 = gsubmenu;
         gtk_widget_show(gsubmenu);
         gtk_menu_item_set_submenu(GTK_MENU_ITEM(gitem), gsubmenu);
      }
      else if (aitem->id) {
         g_signal_connect_swapped (gitem, "activate",
            G_CALLBACK(menuitem_response), (gpointer) aitem);
      }
   }
      
   gtk_widget_show(gitem);
   
   return gitem;
}
Exemplo n.º 14
0
int
main (int argc, char **argv)
{
	int i;
	int found_valid = FALSE;

	GdkPixbuf *pixbuf;
	GdkPixbufLoader *pixbuf_loader;

	pixbuf_init ();

	gtk_init (&argc, &argv);

	/*	gdk_rgb_set_verbose (TRUE);*/

	gtk_widget_set_default_colormap (gdk_rgb_get_colormap ());

	{
		char *tbf_readlen = getenv ("TBF_READLEN");
		if (tbf_readlen) readlen = atoi (tbf_readlen);
	}

	{
		char *tbf_bps = getenv ("TBF_KBPS");
		guint bps;

		if (tbf_bps) {
			bps = atoi (tbf_bps);
			g_print ("Simulating %d kBytes/sec\n", bps);
			readlen = (bps*1024)/10;
		}
	}

	i = 1;
	if (argc == 1) {
                const gchar*** xpmp;
                GError *error = NULL;
		
		pixbuf = gdk_pixbuf_new_from_data (default_image, GDK_COLORSPACE_RGB, FALSE, 8,
						   DEFAULT_WIDTH, DEFAULT_HEIGHT, DEFAULT_WIDTH * 3,
						   NULL, NULL);
		new_testrgb_window (pixbuf, NULL);

                xpmp = xpms;
                while (*xpmp) {
                        pixbuf = gdk_pixbuf_new_from_xpm_data (*xpmp);
                        new_testrgb_window (pixbuf, NULL);
                        ++xpmp;
                }

                /* Test loading from inline data. */
                pixbuf = gdk_pixbuf_new_from_inline (-1, apple_red, FALSE, &error);
		if (!pixbuf)
		  {
		    fprintf (stderr, "failed to construct \"red apple\" pixbuf: %s\n",
			     error->message);
		    g_error_free (error);
		  }
		else
		  new_testrgb_window (pixbuf, "Red apple from inlined RLE data");

                pixbuf = gdk_pixbuf_new_from_inline (sizeof (gnome_foot), gnome_foot, TRUE, NULL);
                new_testrgb_window (pixbuf, "GNOME Foot from inlined RLE data");
                
		found_valid = TRUE;
	} else {
		for (i = 1; i < argc; i++) {
                        GError *error;

                        error = NULL;
			pixbuf = gdk_pixbuf_new_from_file (argv[i], &error);

                        if (pixbuf == NULL) {
                                g_warning ("Error loading image: %s",
                                           error->message);
                                g_error_free (error);
                        }
                        
#if 0
			pixbuf = gdk_pixbuf_rotate (pixbuf, 10.0);
#endif

			if (pixbuf) {
				new_testrgb_window (pixbuf, "File");
				found_valid = TRUE;
			}
		}
#if 1	
                {
                        GtkWidget* rgb_window = NULL;
			ProgressFileStatus   status;

                        pixbuf_loader = gdk_pixbuf_loader_new ();
			status.loader = pixbuf_loader;

			status.rgbwin = &rgb_window;

			status.buf = g_malloc (readlen);

#if 0
			g_signal_connect (pixbuf_loader, "size_prepared", 
					  G_CALLBACK (size_func), NULL);
#endif

                        g_signal_connect (pixbuf_loader, "area_prepared",
					  G_CALLBACK (progressive_prepared_callback),
					  &rgb_window);
                        g_signal_connect (pixbuf_loader, "area_updated",
					  G_CALLBACK (progressive_updated_callback),
					  &rgb_window);
			
                        status.imagefile = fopen (argv[1], "r");
                        g_assert (status.imagefile != NULL);

			status.readlen = readlen;

                        status.timeout = gdk_threads_add_timeout (100, update_timeout, &status);
                }
#endif
	}

	if (found_valid)
		gtk_main ();

	return 0;
}
Exemplo n.º 15
0
static void ocvThread(void){

	//if(cvDefined==FALSE){
		ttModels theModels;
		ttInit(&theModels);
		
	static GdkPixbuf *pixbuf;
	
	IplImage *theFrame, *segmented;
	static char theStr[12];
  thePixel=cvPoint(0,0);
  //globalFrame=cvCreateImage(size,IPL_DEPTH_8U,3);
	//char theChar;
	
	#if use_webcam==1
	CvCapture* theCamera;
	CvSize size=cvSize(justWidth,justHeight);
	theCamera=cvCaptureFromCAM(-1);
	cvSetCaptureProperty( theCamera,CV_CAP_PROP_FRAME_WIDTH,justWidth );
	cvSetCaptureProperty( theCamera,CV_CAP_PROP_FRAME_HEIGHT,justHeight );
  theFrame=cvCreateImage(size,IPL_DEPTH_8U,3);
	#else
	theFrame=cvLoadImage("images/image02.jpg",1);
	assert(theFrame!=NULL);
	justWidth=theFrame->width;
	justHeight=theFrame->height;
	CvSize size=cvSize(justWidth,justHeight);
		cvConvertImage(theFrame,theFrame,CV_CVTIMG_SWAP_RB);
	#endif
  segmented=cvCreateImage(size,IPL_DEPTH_8U,3);
		
	while (1){
	
	#if use_webcam==1
		theFrame=cvQueryFrame(theCamera);
		
		assert(theFrame!=NULL);
		cvConvertImage(theFrame,theFrame,CV_CVTIMG_SWAP_RB);
	#endif
	
		if(changeFlag==1){
			theRanger.hue=-1;
			theH=ttCalibration(theFrame,&thePixel,&theRanger,NULL);
			theRanger.hue=theH;
			changeFlag=0;
			//getIndex();
			//printf("%d\n",theIndex);
			//updateLimits();
		}
		ttCalibration(theFrame,&thePixel,&theRanger,segmented);
		sprintf(theStr,"Hue=%d",theH);
		getIndex();
		//cvShowImage("window",theImage);
		//theFrame=theImage;
		
		//cvWaitKey(5000);
		
 		gdk_threads_enter();
		pixbuf = gdk_pixbuf_new_from_data ((guchar*) theFrame->imageData,
																		GDK_COLORSPACE_RGB,
																		FALSE,
																		theFrame->depth,
																		theFrame->width,
																		theFrame->height,
																		(theFrame->widthStep),
																		NULL,
																		NULL); 
	
		                 
	//printf("\n\nchingadamadre!\n");CV_CVTIMG_SWAP_RB
    gtk_image_set_from_pixbuf(GTK_IMAGE(image), pixbuf);
    
    pixbuf = gdk_pixbuf_new_from_data ((guchar*) segmented->imageData,
																		GDK_COLORSPACE_RGB,
																		FALSE,
																		theFrame->depth,
																		theFrame->width,
																		theFrame->height,
																		(theFrame->widthStep),
																		NULL,
																		NULL); 
																		
    gtk_image_set_from_pixbuf(GTK_IMAGE(gseg), pixbuf);
    gtk_label_set_text((GtkLabel *)hval,theStr);
  	gdk_threads_leave();
    //cvWaitKey();
    #if use_webcam==0
	  g_usleep(50000);
	  #endif
	}
}
Exemplo n.º 16
0
int32_t dt_control_indexer_job_run(dt_job_t *job)
{
  // if no indexing was requested, bail out:
  if(!dt_conf_get_bool("run_similarity_indexer")) return 0;

  /*
   * First pass run thru ALL images and collect the ones who needs to update
   *  \TODO in the future lets have a indexer table with ids filed with images
   *  thats need some kind of reindexing.. all mark dirty functions adds image
   *  to this table--
   */
  // temp memory for uncompressed images:
  uint8_t *scratchmem = dt_mipmap_cache_alloc_scratchmem(darktable.mipmap_cache);

  GList *images=NULL;
  sqlite3_stmt *stmt;
  DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db), "select images.id,film_rolls.folder||'/'||images.filename,images.histogram,images.lightmap from images,film_rolls where film_rolls.id = images.film_id", -1, &stmt, NULL);
  while(sqlite3_step(stmt) == SQLITE_ROW)
  {
    _control_indexer_img_t *idximg=g_malloc(sizeof( _control_indexer_img_t));
    memset(idximg,0,sizeof(_control_indexer_img_t));
    idximg->id = sqlite3_column_int(stmt,0);

    /* first check if image file exists on disk */
    const char *filename = (const char *)sqlite3_column_text(stmt, 1);
    if (filename && !g_file_test(filename, G_FILE_TEST_IS_REGULAR))
      idximg->flags |= _INDEXER_IMAGE_FILE_REMOVED;


    /* check if histogram should be updated */
    if (sqlite3_column_bytes(stmt, 2) != sizeof(dt_similarity_histogram_t))
      idximg->flags |= _INDEXER_UPDATE_HISTOGRAM;

    /* check if lightmap should be updated */
    if (sqlite3_column_bytes(stmt, 3) != sizeof(dt_similarity_lightmap_t))
      idximg->flags |= _INDEXER_UPDATE_LIGHTMAP;


    /* if image is flagged add to collection */
    if (idximg->flags != 0)
      images = g_list_append(images, idximg);
    else
      g_free(idximg);
  }
  sqlite3_finalize(stmt);


  /*
   * Second pass, run thru collected images thats
   *  need reindexing...
   */
  GList *imgitem = g_list_first(images);
  if(imgitem)
  {
    char message[512]= {0};
    double fraction=0;
    int total = g_list_length(images);

    guint *jid = NULL;

    /* background job plate only if more then one image is reindexed */
    if (total > 1)
    {
      snprintf(message, 512, ngettext ("re-indexing %d image", "re-indexing %d images", total), total );
      jid = (guint *)dt_control_backgroundjobs_create(darktable.control, 0, message);
    }

    do
    {
      // bail out if we're shutting down:
      if(!dt_control_running()) break;
      // if indexer was switched off during runtime, respect that as soon as we can:
      if(!dt_conf_get_bool("run_similarity_indexer")) break;

      /* get the _control_indexer_img_t pointer */
      _control_indexer_img_t *idximg = imgitem->data;

      /*
       * Check if image has been delete from disk
       */
      if ((idximg->flags&_INDEXER_IMAGE_FILE_REMOVED))
      {
        /* file does not exist on disk lets delete image reference from database */
        //char query[512]={0};

        // \TODO dont delete move to an temp table and let user to revalidate

        /*sprintf(query,"delete from history where imgid=%d",idximg->id);
          DT_DEBUG_SQLITE3_EXEC(darktable.db, query, NULL, NULL, NULL);
          sprintf(query,"delete from tagged_images where imgid=%d",idximg->id);
          DT_DEBUG_SQLITE3_EXEC(darktable.db, query, NULL, NULL, NULL);
          sprintf(query,"delete from images where id=%d",idximg->id);
          DT_DEBUG_SQLITE3_EXEC(darktable.db, query, NULL, NULL, NULL);*/

        /* no need to additional work */
        continue;
      }


      /*
       *  Check if image histogram or lightmap should be updated.
       *   those indexing that involves a image pipe should fall into this
       */
      if ( (idximg->flags&_INDEXER_UPDATE_HISTOGRAM) ||  (idximg->flags&_INDEXER_UPDATE_LIGHTMAP) )
      {
        /* get a mipmap of image to analyse */
        dt_mipmap_buffer_t buf;
        dt_mipmap_cache_read_get(darktable.mipmap_cache, &buf, idximg->id, DT_MIPMAP_2, DT_MIPMAP_BLOCKING);
        // pointer owned by the cache or == scratchmem, no need to free this one:
        uint8_t *buf_decompressed = dt_mipmap_cache_decompress(&buf, scratchmem);

        if (!(buf.width * buf.height))
          continue;

        /*
         * Generate similarity histogram data if requested
         */
        if ( (idximg->flags&_INDEXER_UPDATE_HISTOGRAM) )
        {
          dt_similarity_histogram_t histogram;
          float bucketscale = (float)DT_SIMILARITY_HISTOGRAM_BUCKETS/(float)0xff;
          for(int j=0; j<(4*buf.width*buf.height); j+=4)
          {
            /* swap rgb and scale to bucket index */
            uint8_t rgb[3];

            for(int k=0; k<3; k++)
              rgb[k] = (int)((buf_decompressed[j+2-k]/(float)0xff) * bucketscale);

            /* distribute rgb into buckets */
            for(int k=0; k<3; k++)
              histogram.rgbl[rgb[k]][k]++;

            /* distribute lum into buckets */
            uint8_t lum = MAX(MAX(rgb[0], rgb[1]), rgb[2]);
            histogram.rgbl[lum][3]++;
          }

          for(int k=0; k<DT_SIMILARITY_HISTOGRAM_BUCKETS; k++)
            for (int j=0; j<4; j++)
              histogram.rgbl[k][j] /= (buf.width*buf.height);

          /* store the histogram data */
          dt_similarity_histogram_store(idximg->id, &histogram);

        }

        /*
         * Generate scaledowned similarity lightness map if requested
         */
        if ( (idximg->flags&_INDEXER_UPDATE_LIGHTMAP) )
        {
          dt_similarity_lightmap_t lightmap;
          memset(&lightmap,0,sizeof(dt_similarity_lightmap_t));

          /*
           * create a pixbuf out of the image for downscaling
           */

          /* first of setup a standard rgb buffer, swap bgr in same routine */
          uint8_t *rgbbuf = g_malloc(buf.width*buf.height*3);
          for(int j=0; j<(buf.width*buf.height); j++)
            for(int k=0; k<3; k++)
              rgbbuf[3*j+k] = buf_decompressed[4*j+2-k];


          /* then create pixbuf and scale down to lightmap size */
          GdkPixbuf *source = gdk_pixbuf_new_from_data(rgbbuf,GDK_COLORSPACE_RGB,FALSE,8,buf.width,buf.height,(buf.width*3),NULL,NULL);
          GdkPixbuf *scaled = gdk_pixbuf_scale_simple(source,DT_SIMILARITY_LIGHTMAP_SIZE,DT_SIMILARITY_LIGHTMAP_SIZE,GDK_INTERP_HYPER);

          /* copy scaled data into lightmap */
          uint8_t min=0xff,max=0;
          uint8_t *spixels = gdk_pixbuf_get_pixels(scaled);

          for(int j=0; j<(DT_SIMILARITY_LIGHTMAP_SIZE*DT_SIMILARITY_LIGHTMAP_SIZE); j++)
          {
            /* copy rgb */
            for(int k=0; k<3; k++)
              lightmap.pixels[4*j+k] = spixels[3*j+k];

            /* average intensity into 4th channel */
            lightmap.pixels[4*j+3] =  (lightmap.pixels[4*j+0]+ lightmap.pixels[4*j+1]+ lightmap.pixels[4*j+2])/3.0;
            min = MIN(min, lightmap.pixels[4*j+3]);
            max = MAX(max, lightmap.pixels[4*j+3]);
          }

          /* contrast stretch each channel in lightmap
           *  TODO: do we want this...
           */
          float scale=0;
          int range = max-min;
          if(range==0)
            scale = 1.0;
          else
            scale = 0xff/range;
          for(int j=0; j<(DT_SIMILARITY_LIGHTMAP_SIZE*DT_SIMILARITY_LIGHTMAP_SIZE); j++)
          {
            for(int k=0; k<4; k++)
              lightmap.pixels[4*j+k] = (lightmap.pixels[4*j+k]-min)*scale;
          }

          /* free some resources */
          g_object_unref(scaled);
          g_object_unref(source);

          g_free(rgbbuf);

          /* store the lightmap */
          dt_similarity_lightmap_store(idximg->id, &lightmap);
        }


        /* no use for buffer anymore release the mipmap */
        dt_mipmap_cache_read_release(darktable.mipmap_cache, &buf);

      }

      /* update background progress */
      if (jid)
      {
        fraction+=1.0/total;
        dt_control_backgroundjobs_progress(darktable.control, jid, fraction);
      }

    }
    while ((imgitem=g_list_next(imgitem)) && dt_control_job_get_state(job) != DT_JOB_STATE_CANCELLED);


    /* cleanup */
    if (jid)
      dt_control_backgroundjobs_destroy(darktable.control, jid);
  }

  free(scratchmem);

  /*
   * Indexing opertions finished, lets reschedule the indexer
   * unless control is shutting down...
   */
  if(dt_control_running())
    dt_control_start_indexer();

  return 0;
}
Exemplo n.º 17
0
static GdkPixbuf *
load_icon (unsigned size, IN gpointer data, gsize datalen)
{
  guchar *icon = NULL;
  guchar *mask = NULL;
  gsize isize = 0, msize = 0, i;
  guchar *image = NULL;

  if (!load_resources (size, data, datalen, &icon, &isize, &mask, &msize))
    return NULL;

  /* 256x256 icons don't use RLE or uncompressed data,
   * They're usually JPEG 2000 images */
  if (size == 256)
    {
      GdkPixbufLoader *loader;
      GdkPixbuf *pixbuf;

      loader = gdk_pixbuf_loader_new ();
      if (!gdk_pixbuf_loader_write (loader, icon, isize, NULL)
	  || !gdk_pixbuf_loader_close (loader, NULL))
        {
          g_object_unref (loader);
          return NULL;
	}

      pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
      g_object_ref (pixbuf);
      g_object_unref (loader);

      return pixbuf;
    }

  g_assert (mask);

  if (msize != size * size)	/* wrong mask size */
    return NULL;

  image = (guchar *) g_try_malloc0 (size * size * 4);	/* 4 bytes/pixel = RGBA */

  if (!image)
    return NULL;

  if (isize == size * size * 4)	/* icon data is uncompressed */
    for (i = 0; i < size * size; i++)	/* 4 bytes/pixel = ARGB (A: ignored) */
      {
	image[i * 4] = icon[4 * i + 1];	/* R */
	image[i * 4 + 1] = icon[4 * i + 2];	/* G */
	image[i * 4 + 2] = icon[4 * i + 3];	/* B */
      }
  else
    {
      guchar *data = icon;
      gsize remaining = 0;

      /* R */
      if (!uncompress (size, &data, image, &remaining))
        goto bail;
      /* G */
      if (!uncompress (size, &data, image + 1, &remaining))
        goto bail;
      /* B */
      if (!uncompress (size, &data, image + 2, &remaining))
        goto bail;
    }

  for (i = 0; i < size * size; i++)	/* copy mask to alpha channel */
    image[i * 4 + 3] = mask[i];

  return gdk_pixbuf_new_from_data ((guchar *) image, GDK_COLORSPACE_RGB,	/* RGB image */
				   TRUE,	/* with alpha channel */
				   8,	/* 8 bits per sample */
				   size,	/* width */
				   size,	/* height */
				   size * 4,	/* no gap between rows */
				   (GdkPixbufDestroyNotify)g_free,	/* free() function */
				   NULL);	/* param to free() function */

bail:
  g_free (image);
  return NULL;
}
Exemplo n.º 18
0
GdkPixbuf *
convert_buffer_to_pixbuf (GstBuffer    *buffer,
                          GCancellable *cancellable)
{
    GstCaps *pb_caps;
    GstElement *pipeline;
    GstBuffer *out_buffer = NULL;
    GstElement *src, *sink, *colorspace, *scale, *filter;
    GstBus *bus;
    GstMessage *msg;
    GstStateChangeReturn state G_GNUC_UNUSED;
    gboolean ret;
    int dw, dh, i;
    GstStructure *s;

    s = gst_caps_get_structure (GST_BUFFER_CAPS (buffer), 0);
    gst_structure_get_int (s, "width", &dw);
    gst_structure_get_int (s, "height", &dh);

    pb_caps = gst_caps_new_simple ("video/x-raw-rgb",
                                   "bpp", G_TYPE_INT, 24,
                                   "depth", G_TYPE_INT, 24,
                                   "width", G_TYPE_INT, dw,
                                   "height", G_TYPE_INT, dh,
                                   "pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1,
                                   NULL);

    pipeline = gst_pipeline_new ("pipeline");

    src = gst_element_factory_make ("fakesrc", "src");
    colorspace = gst_element_factory_make ("ffmpegcolorspace", "colorspace");
    scale = gst_element_factory_make ("videoscale", "scale");
    filter = gst_element_factory_make ("capsfilter", "filter");
    sink = gst_element_factory_make ("fakesink", "sink");

    gst_bin_add_many (GST_BIN (pipeline), src, colorspace, scale,
                      filter, sink, NULL);

    g_object_set (filter,
                  "caps", pb_caps,
                  NULL);
    g_object_set (src,
                  "num-buffers", 1,
                  "sizetype", 2,
                  "sizemax", GST_BUFFER_SIZE (buffer),
                  "signal-handoffs", TRUE,
                  NULL);
    g_signal_connect (src, "handoff",
                      G_CALLBACK (push_buffer), buffer);

    g_object_set (sink,
                  "signal-handoffs", TRUE,
                  "preroll-queue-len", 1,
                  NULL);
    g_signal_connect (sink, "handoff",
                      G_CALLBACK (pull_buffer), &out_buffer);

    ret = gst_element_link (src, colorspace);
    if (ret == FALSE) {
        g_warning ("Failed to link src->colorspace");
        return NULL;
    }

    ret = gst_element_link (colorspace, scale);
    if (ret == FALSE) {
        g_warning ("Failed to link colorspace->scale");
        return NULL;
    }

    ret = gst_element_link (scale, filter);
    if (ret == FALSE) {
        g_warning ("Failed to link scale->filter");
        return NULL;
    }

    ret = gst_element_link (filter, sink);
    if (ret == FALSE) {
        g_warning ("Failed to link filter->sink");
        return NULL;
    }

    bus = gst_element_get_bus (GST_ELEMENT (pipeline));
    state = gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);

    i = 0;
    msg = NULL;
    while (msg == NULL && i < 5) {
        msg = gst_bus_timed_pop_filtered (bus, GST_SECOND,
                                          GST_MESSAGE_ERROR | GST_MESSAGE_EOS);
        i++;
    }

    /* FIXME: Notify about error? */
    gst_message_unref (msg);

    gst_caps_unref (pb_caps);

    if (out_buffer) {
        GdkPixbuf *pixbuf;
        char *data;

        data = g_memdup (GST_BUFFER_DATA (out_buffer),
                         GST_BUFFER_SIZE (out_buffer));
        pixbuf = gdk_pixbuf_new_from_data ((guchar *) data,
                                           GDK_COLORSPACE_RGB, FALSE,
                                           8, dw, dh, GST_ROUND_UP_4 (dw * 3),
                                           (GdkPixbufDestroyNotify) g_free,
                                           NULL);

        gst_buffer_unref (buffer);
        return pixbuf;
    }

    /* FIXME: Check what buffers need freed */
    return NULL;
}
Exemplo n.º 19
0
GtkWidget *CreateImageButton(
	const char* image_file_path,
	const gchar* label,
	const char* font_file
)
{
#define DISPLAY_FONT_HEIGHT 8.5
	// 貼り付けるイメージ
	cairo_surface_t *image =
		cairo_image_surface_create_from_png(image_file_path);
	// 文字描画用
	cairo_t *cairo_p = cairo_create(image);
	// 画像のフォーマット
	cairo_format_t format = cairo_image_surface_get_format(image);
	// 画像の幅と高さ
	int32 width = cairo_image_surface_get_width(image);
	int32 height = cairo_image_surface_get_height(image);
	// 画像の一列分のバイト数
	int32 stride = width * ((format == CAIRO_FORMAT_ARGB32) ? 4 : 3);
	// 文字表示のY座標
	gdouble draw_y = 9.0;
	GtkWidget *image_widget;
	// ピクセルバッファ
	GdkPixbuf *pixbuf;
	// 返り値
	GtkWidget *button;
	// 改行処理用のバッファ
	gchar* str = (label == NULL) ? NULL : MEM_STRDUP_FUNC(label);
	gchar* show_text = str;
	// 改行処理用
	gchar *now, *next;

	// 文字列を描画
	if(label != NULL && *label != '\0')
	{
		// フォントサイズセット
		cairo_select_font_face(cairo_p, font_file, CAIRO_FONT_SLANT_NORMAL,
			CAIRO_FONT_WEIGHT_NORMAL);
		cairo_set_font_size(cairo_p, DISPLAY_FONT_HEIGHT);

		// 改行を処理しながら表示
		now = show_text = str;
		next = g_utf8_next_char(show_text);
		while(*now != '\0' && *next != '\0')
		{
			if((uint8)*now == 0x5c && *next == 'n')
			{
				*now = '\0';
				cairo_move_to(cairo_p, 0.0, draw_y);
				cairo_show_text(cairo_p, show_text);
				show_text = now = g_utf8_next_char(next);
				next = g_utf8_next_char(now);
				draw_y += DISPLAY_FONT_HEIGHT;
			}
			else if((next - now) >= 2 && (uint8)*now == 0xc2
				&& (uint8)(*(now+1)) == 0xa5 && (uint8)*next == 'n')
			{
				*now = '\0';
				cairo_move_to(cairo_p, 0.0, draw_y);
				cairo_show_text(cairo_p, show_text);
				show_text = now = g_utf8_next_char(next);
				next = g_utf8_next_char(now);
				draw_y += DISPLAY_FONT_HEIGHT;
			}
			else
			{
				now = next;
				next = g_utf8_next_char(next);
			}
		}
		cairo_move_to(cairo_p, 0.0, draw_y);
		cairo_show_text(cairo_p, show_text);
	}

	// イメージからピクセルバッファを生成
	pixbuf = gdk_pixbuf_new_from_data(
		cairo_image_surface_get_data(image),
		GDK_COLORSPACE_RGB,
		(format == CAIRO_FORMAT_ARGB32) ? TRUE : FALSE,
		8,
		width,
		height,
		stride,
		NULL,
		NULL
	);

#if defined(USE_BGR_COLOR_SPACE) && USE_BGR_COLOR_SPACE != 0
	{
		// WindowsならばBGR→RGBの変換を行う
		uint8* pix = cairo_image_surface_get_data(image);
		uint8 b;
		int32 channel = (format == CAIRO_FORMAT_ARGB32) ? 4 : 3;
		int32 i, j;

		for(i=0; i<height; i++)
		{
			for(j=0; j<width; j++)
			{
				b = pix[i*stride+j*channel];
				pix[i*stride+j*channel] = pix[i*stride+j*channel+2];
				pix[i*stride+j*channel+2] = b;
			}
		}
	}
#endif	// #if defined(DISPLAY_BGR) && DISPLAY_BGR != 0

	image_widget = gtk_image_new_from_pixbuf(pixbuf);

	button = gtk_toggle_button_new();

	// ボタンにイメージデータを載せる
	gtk_container_add(GTK_CONTAINER(button), image_widget);

	cairo_destroy(cairo_p);

	MEM_FREE_FUNC(str);

	return button;
}
Exemplo n.º 20
0
gpointer itdb_thumb_ipod_item_to_pixbuf (Itdb_Device *device,
                                         Itdb_Thumb_Ipod_Item *item)
{
	/* pixbuf is already on the iPod -> read from there */
	GdkPixbuf *pixbuf_full;
	GdkPixbuf *pixbuf_sub;
        GdkPixbuf *pixbuf;
	gint pad_x = item->horizontal_padding;
	gint pad_y = item->vertical_padding;
	gint width = item->width;
	gint height = item->height;
	guint rowstride;
        const Itdb_ArtworkFormat *img_info = item->format;
        guchar *pixels;

/*	printf ("hp%d vp%d w%d h%d\n",
	       pad_x, pad_y, width, height);*/
        if (item->format == NULL) {
	    g_warning (_("Unable to retrieve thumbnail (appears to be on iPod, but no image info available): filename: '%s'\n"),
		       item->filename);
            return NULL;
        }
	pixels = itdb_thumb_get_rgb_data (device, item);
	if (pixels == NULL)
	{
	    return NULL;
	}

	/* FIXME: this is broken for non-16bpp image formats :-/ */
	rowstride = get_aligned_width (img_info, sizeof(guint16))*3;
	pixbuf_full =
	    gdk_pixbuf_new_from_data (pixels,
				      GDK_COLORSPACE_RGB,
				      FALSE, 8,
				      img_info->width, img_info->height,
				      rowstride,
				      (GdkPixbufDestroyNotify)g_free,
				      NULL);

	/* !! do not g_free(pixels) here: it will be freed when doing a
	 * gdk_pixbuf_unref() on the GdkPixbuf !! */

	/* Remove padding from the pixmap and/or cut the pixmap to the
	   right size. */

	/* Negative offsets indicate that part of the image was cut
	   off at the left/top. thumb->width/height include that part
	   of the image. Positive offsets indicate that part of the
	   thumbnail are padded in black. thumb->width/height also
	   include that part of the image -> reduce width and height
	   by the absolute value of the padding */
	width = width - abs (pad_x);
	height = height - abs (pad_y);
	/* And throw out "negative" padding */
	if (pad_x < 0)		pad_x = 0;
	if (pad_y < 0)		pad_y = 0;
	/* Width/height might still be larger than
	   img_info->width/height, indicating that part of the image
	   was cut off at the right/bottom (similar to negative
	   padding above). Adjust width/height accordingly. */
	if (pad_x + width > img_info->width)
	    width = img_info->width - pad_x;
	if (pad_y + height > img_info->height)
	    height = img_info->height - pad_y;

#if DEBUG_ARTWORK
 	printf ("px=%2d py=%2d x=%3d y=%3d\n", pad_x, pad_y, width, height);
#endif

	pixbuf_sub = gdk_pixbuf_new_subpixbuf (pixbuf_full,
					       pad_x, pad_y,
					       width, height);
	pixbuf = gdk_pixbuf_copy (pixbuf_sub);
	g_object_unref (pixbuf_full);
	g_object_unref (pixbuf_sub);

        return pixbuf;
}
Exemplo n.º 21
0
static void _lib_modulelist_populate_callback(gpointer instance, gpointer user_data)
{
  dt_lib_module_t *self = (dt_lib_module_t *)user_data;
  if(!self || !(self->data)) return;

  GtkListStore *store;
  GtkTreeIter iter;
  GtkWidget *view = GTK_WIDGET(((dt_lib_modulelist_t *)self->data)->tree);
  GtkCellRenderer *pix_renderer, *fav_renderer, *text_renderer;
  GdkRGBA color;
  GtkStyleContext *context = gtk_widget_get_style_context(view);
  gboolean color_found = gtk_style_context_lookup_color (context, "selected_bg_color", &color);
  if(!color_found)
  {
    color.red = 1.0;
    color.green = 0.0;
    color.blue = 0.0;
    color.alpha = 1.0;
  }

  store = gtk_list_store_new(NUM_COLS, GDK_TYPE_PIXBUF, G_TYPE_POINTER);
  gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store));
  g_object_unref(store);

  gtk_tree_sortable_set_sort_func(GTK_TREE_SORTABLE(store), COL_MODULE, _lib_modulelist_gui_sort, NULL, NULL);
  gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store), COL_MODULE, GTK_SORT_ASCENDING);

  pix_renderer = gtk_cell_renderer_pixbuf_new();
  g_object_set(pix_renderer, "cell-background-rgba", &color, NULL);

  fav_renderer = gtk_cell_renderer_pixbuf_new();
  cairo_surface_t *fav_cst = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, ICON_SIZE, ICON_SIZE);
  cairo_t *fav_cr = cairo_create(fav_cst);
  cairo_set_source_rgb(fav_cr, 0.7, 0.7, 0.7);
  dtgtk_cairo_paint_modulegroup_favorites(fav_cr, 0, 0, ICON_SIZE, ICON_SIZE, 0);
  cairo_destroy(fav_cr);
  guchar *data = cairo_image_surface_get_data(fav_cst);
  dt_draw_cairo_to_gdk_pixbuf(data, ICON_SIZE, ICON_SIZE);
  ((dt_lib_modulelist_t *)self->data)->fav_pixbuf
      = gdk_pixbuf_new_from_data(data, GDK_COLORSPACE_RGB, TRUE, 8, ICON_SIZE, ICON_SIZE,
                                 cairo_image_surface_get_stride(fav_cst), NULL, NULL);
  g_object_set(fav_renderer, "cell-background-rgba", &color, NULL);
  g_object_set(fav_renderer, "width", gdk_pixbuf_get_width(((dt_lib_modulelist_t *)self->data)->fav_pixbuf),
               NULL);

  text_renderer = gtk_cell_renderer_text_new();
  g_object_set(text_renderer, "cell-background-rgba", &color, NULL);

  gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(view), FALSE);
  gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(view), FALSE);
  GtkTreeSelection *selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(view));
  gtk_tree_selection_set_mode(selection, GTK_SELECTION_NONE);

  GtkTreeViewColumn *col;
  col = gtk_tree_view_get_column(GTK_TREE_VIEW(view), 0);
  if(col) gtk_tree_view_remove_column(GTK_TREE_VIEW(view), col);
  gtk_tree_view_insert_column_with_data_func(GTK_TREE_VIEW(view), 0, "favorite", fav_renderer,
                                             favorite_renderer_function, NULL, NULL);
  col = gtk_tree_view_get_column(GTK_TREE_VIEW(view), 1);
  if(col) gtk_tree_view_remove_column(GTK_TREE_VIEW(view), col);
  gtk_tree_view_insert_column_with_data_func(GTK_TREE_VIEW(view), 1, "image", pix_renderer,
                                             image_renderer_function, NULL, NULL);
  col = gtk_tree_view_get_column(GTK_TREE_VIEW(view), 2);
  if(col) gtk_tree_view_remove_column(GTK_TREE_VIEW(view), col);
  gtk_tree_view_insert_column_with_data_func(GTK_TREE_VIEW(view), 2, "name", text_renderer,
                                             text_renderer_function, NULL, NULL);

  /* go thru list of iop modules and add them to the list */
  GList *modules = g_list_last(darktable.iop);

  char datadir[PATH_MAX] = { 0 };
  dt_loc_get_datadir(datadir, sizeof(datadir));

  while(modules)
  {
    dt_iop_module_so_t *module = (dt_iop_module_so_t *)(modules->data);
    if(!dt_iop_so_is_hidden(module) && !(module->flags() & IOP_FLAGS_DEPRECATED))
    {
      GdkPixbuf *pixbuf;
      char filename[PATH_MAX] = { 0 };

      snprintf(filename, sizeof(filename), "%s/pixmaps/plugins/darkroom/%s.svg", datadir, module->op);
      pixbuf = load_image(filename);
      if(pixbuf) goto end;

      snprintf(filename, sizeof(filename), "%s/pixmaps/plugins/darkroom/%s.png", datadir, module->op);
      pixbuf = load_image(filename);
      if(pixbuf) goto end;

      snprintf(filename, sizeof(filename), "%s/pixmaps/plugins/darkroom/template.svg", datadir);
      pixbuf = load_image(filename);
      if(pixbuf) goto end;

      snprintf(filename, sizeof(filename), "%s/pixmaps/plugins/darkroom/template.png", datadir);
      pixbuf = load_image(filename);
      if(pixbuf) goto end;

      // wow, we could neither load the SVG nor the PNG files. something is f****d up.
      pixbuf = gdk_pixbuf_new_from_data(fallback_pixel, GDK_COLORSPACE_RGB, TRUE, 8, 1, 1, 4, NULL, NULL);

    end:
      gtk_list_store_append(store, &iter);
      gtk_list_store_set(store, &iter, COL_IMAGE, pixbuf, COL_MODULE, module, -1);
      g_object_unref(pixbuf);
    }

    modules = g_list_previous(modules);
  }
}
Exemplo n.º 22
0
GdkPixbuf *
gtk_icon_cache_get_icon (GtkIconCache *cache,
			  const gchar  *icon_name,
			  gint          directory_index)
{
  guint32 offset, image_data_offset, pixel_data_offset;
  guint32 length, type;
  GdkPixbuf *pixbuf;
  GdkPixdata pixdata;
  GError *error = NULL;

  offset = find_image_offset (cache, icon_name, directory_index);
  
  if (!offset)
    return NULL;

  image_data_offset = GET_UINT32 (cache->buffer, offset + 4);
  
  if (!image_data_offset)
    return NULL;

  pixel_data_offset = GET_UINT32 (cache->buffer, image_data_offset);

  type = GET_UINT32 (cache->buffer, pixel_data_offset);

  if (type != 0)
    {
      GTK_NOTE (ICONTHEME, g_message ("invalid pixel data type %u", type));
      return NULL;
    }

  length = GET_UINT32 (cache->buffer, pixel_data_offset + 4);
  
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
  if (!gdk_pixdata_deserialize (&pixdata, length, 
				(guchar *)(cache->buffer + pixel_data_offset + 8),
				&error))
    {
      GTK_NOTE (ICONTHEME, g_message ("could not deserialize data: %s", error->message));
      g_error_free (error);

      return NULL;
    }
G_GNUC_END_IGNORE_DEPRECATIONS

  pixbuf = gdk_pixbuf_new_from_data (pixdata.pixel_data, GDK_COLORSPACE_RGB,
				     (pixdata.pixdata_type & GDK_PIXDATA_COLOR_TYPE_MASK) == GDK_PIXDATA_COLOR_TYPE_RGBA,
				     8, pixdata.width, pixdata.height, pixdata.rowstride,
				     (GdkPixbufDestroyNotify)pixbuf_destroy_cb, 
				     cache);
  if (!pixbuf)
    {
      GTK_NOTE (ICONTHEME, g_message ("could not convert pixdata to pixbuf: %s", error->message));
      g_error_free (error);

      return NULL;
    }

  gtk_icon_cache_ref (cache);

  return pixbuf;
}
Exemplo n.º 23
0
/*
 * The data that is passed to this function is either freed here or
 * owned by the returned pixbuf.
 */
static GdkPixbuf *
gimp_pixbuf_from_data (guchar                 *data,
                       gint                    width,
                       gint                    height,
                       gint                    bpp,
                       GimpPixbufTransparency  alpha)
{
  GdkPixbuf *pixbuf;

  switch (bpp)
    {
    case 1:
      pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, width, height);
      {
        guchar *src       = data;
        guchar *pixels    = gdk_pixbuf_get_pixels (pixbuf);
        gint    rowstride = gdk_pixbuf_get_rowstride (pixbuf);
        gint    y;

        for (y = 0; y < height; y++)
          {
            guchar *dest = pixels;
            gint    x;

            for (x = 0; x < width; x++, src += 1, dest += 3)
              {
                dest[0] = dest[1] = dest[2] = src[0];
              }

            pixels += rowstride;
          }

        g_free (data);
      }
      bpp = 3;
      break;

    case 2:
      pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, width, height);
      {
        guchar *src       = data;
        guchar *pixels    = gdk_pixbuf_get_pixels (pixbuf);
        gint    rowstride = gdk_pixbuf_get_rowstride (pixbuf);
        gint    y;

        for (y = 0; y < height; y++)
          {
            guchar *dest = pixels;
            gint    x;

            for (x = 0; x < width; x++, src += 2, dest += 4)
              {
                dest[0] = dest[1] = dest[2] = src[0];
                dest[3] = src[1];
              }

            pixels += rowstride;
          }

        g_free (data);
      }
      bpp = 4;
      break;

    case 3:
      pixbuf = gdk_pixbuf_new_from_data (data,
                                         GDK_COLORSPACE_RGB, FALSE, 8,
                                         width, height, width * bpp,
                                         (GdkPixbufDestroyNotify) g_free, NULL);
      break;

    case 4:
      pixbuf = gdk_pixbuf_new_from_data (data,
                                         GDK_COLORSPACE_RGB, TRUE, 8,
                                         width, height, width * bpp,
                                         (GdkPixbufDestroyNotify) g_free, NULL);
      break;

    default:
      g_return_val_if_reached (NULL);
      return NULL;
    }

  if (bpp == 4)
    {
      GdkPixbuf *tmp;
      gint       check_size  = 0;

      switch (alpha)
        {
        case GIMP_PIXBUF_KEEP_ALPHA:
          return pixbuf;

        case GIMP_PIXBUF_SMALL_CHECKS:
          check_size = GIMP_CHECK_SIZE_SM;
          break;

        case GIMP_PIXBUF_LARGE_CHECKS:
          check_size = GIMP_CHECK_SIZE;
          break;
        }

      tmp = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, width, height);

      gdk_pixbuf_composite_color (pixbuf, tmp,
                                  0, 0, width, height, 0, 0, 1.0, 1.0,
                                  GDK_INTERP_NEAREST, 255,
                                  0, 0, check_size, 0x66666666, 0x99999999);

      g_object_unref (pixbuf);
      pixbuf = tmp;
    }

  return pixbuf;
}
Exemplo n.º 24
0
GdkPixbuf *
eventd_nd_pixbuf_from_data(GVariant *var, gint width, gint height)
{
    GdkPixbuf *pixbuf = NULL;
    GError *error = NULL;
    const gchar *mime_type;
    GVariant *invar;

    g_variant_get(var, "(m&sm&sv)", &mime_type, NULL, &invar);

    if ( g_strcmp0(mime_type, "image/x.eventd.pixbuf") == 0 )
    {
        gboolean a;
        gint b, w, h, s, n;
        GVariant *data;
        g_variant_get(invar, "(iiibii@ay)", &w, &h, &s, &a, &b, &n, &data);
         /* This is the only format gdk-pixbuf can read */
        if ( ( b == 8 ) && ( n == ( a ? 4 : 3 ) ) && ( h * s == (gint) g_variant_get_size(data) ) )
            return gdk_pixbuf_new_from_data(g_variant_get_data(data), GDK_COLORSPACE_RGB, a, b, w, h, s, _eventd_nd_pixbuf_free_data, data);
        g_variant_unref(data);
        goto end;
    }

    if ( ! g_variant_is_of_type(invar, G_VARIANT_TYPE_BYTESTRING) )
        goto end;

    GdkPixbufLoader *loader;
    const guchar *data;
    gsize length;

    data = g_variant_get_data(invar);
    length = g_variant_get_size(invar);

    if ( mime_type != NULL )
    {
        loader = gdk_pixbuf_loader_new_with_mime_type(mime_type, &error);
        if ( loader == NULL )
        {
            g_warning("Couldn't create loader for MIME type '%s': %s", mime_type, error->message);
            goto end;
        }
        GdkPixbufFormat *format;
        if ( ( ( width > 0 ) || ( height > 0 ) ) && ( ( format = gdk_pixbuf_loader_get_format(loader) ) != NULL ) && gdk_pixbuf_format_is_scalable(format) )
            gdk_pixbuf_loader_set_size(loader, width, height);
    }
    else
        loader = gdk_pixbuf_loader_new();

    if ( ! gdk_pixbuf_loader_write(loader, data, length, &error) )
    {
        g_warning("Couldn't write image data: %s", error->message);
        goto error;
    }

    if ( ! gdk_pixbuf_loader_close(loader, &error) )
    {
        g_warning("Couldn't load image data: %s", error->message);
        goto error;
    }

    pixbuf = g_object_ref(gdk_pixbuf_loader_get_pixbuf(loader));

error:
    g_object_unref(loader);
end:
    g_variant_unref(invar);
    g_variant_unref(var);
    g_clear_error(&error);
    return pixbuf;
}
Exemplo n.º 25
0
static GdkPixbuf*
tvtj_jpeg_load (const JOCTET *content,
                gsize         length,
                gint          size)
{
  struct jpeg_decompress_struct cinfo;
  struct jpeg_source_mgr        source;
  TvtjErrorHandler              handler;
  guchar                       *lines[1];
  guchar                       *buffer = NULL;
  guchar                       *pixels = NULL;
  guchar                       *p;
  gint                          out_num_components;
  guint                         n;

  /* setup JPEG error handling */
  cinfo.err = jpeg_std_error (&handler.mgr);
  handler.mgr.error_exit = fatal_error_handler;
  handler.mgr.output_message = (gpointer) tvtj_noop;
  if (setjmp (handler.setjmp_buffer))
    goto error;

  /* setup the source */
  source.bytes_in_buffer = length;
  source.next_input_byte = content;
  source.init_source = (gpointer) tvtj_noop;
  source.fill_input_buffer = tvtj_fill_input_buffer;
  source.skip_input_data = tvtj_skip_input_data;
  source.resync_to_restart = jpeg_resync_to_restart;
  source.term_source = (gpointer) tvtj_noop;

  /* setup the JPEG decompress struct */
  jpeg_create_decompress (&cinfo);
  cinfo.src = &source;

  /* read the JPEG header from the file */
  jpeg_read_header (&cinfo, TRUE);

  /* configure the JPEG decompress struct */
  cinfo.scale_num = 1;
  cinfo.scale_denom = tvtj_denom (cinfo.image_width, cinfo.image_height, size);
  cinfo.dct_method = JDCT_FASTEST;
  cinfo.do_fancy_upsampling = FALSE;

  /* calculate the output dimensions */
  jpeg_calc_output_dimensions (&cinfo);

  /* verify the JPEG color space */
  if (cinfo.out_color_space != JCS_GRAYSCALE
      && cinfo.out_color_space != JCS_CMYK
      && cinfo.out_color_space != JCS_RGB)
    {
      /* we don't support this color space */
      goto error;
    }

  /* start the decompression */
  jpeg_start_decompress (&cinfo);

  /* allocate the pixel buffer and extra space for grayscale data */
  if (G_LIKELY (cinfo.num_components != 1))
    {
      pixels = g_malloc (cinfo.output_width * cinfo.output_height * cinfo.num_components);
      out_num_components = cinfo.num_components;
      lines[0] = pixels;
    }
  else
    {
      pixels = g_malloc (cinfo.output_width * cinfo.output_height * 3);
      buffer = g_malloc (cinfo.output_width);
      out_num_components = 3;
      lines[0] = buffer;
    }

  /* process the JPEG data */
  for (p = pixels; cinfo.output_scanline < cinfo.output_height; )
    {
      jpeg_read_scanlines (&cinfo, lines, 1);

      /* convert the data to RGB */
      if (cinfo.num_components == 1)
        {
          for (n = 0; n < cinfo.output_width; ++n)
            {
              p[n * 3 + 0] = buffer[n];
              p[n * 3 + 1] = buffer[n];
              p[n * 3 + 2] = buffer[n];
            }
          p += cinfo.output_width * 3;
        }
      else
        {
          if (cinfo.out_color_space == JCS_CMYK)
            tvtj_convert_cmyk_to_rgb (&cinfo, lines[0]);
          lines[0] += cinfo.output_width * cinfo.num_components;
        }
    }

  /* release the grayscale buffer */
  g_free (buffer);
  buffer = NULL;

  /* finish the JPEG decompression */
  jpeg_finish_decompress (&cinfo);
  jpeg_destroy_decompress (&cinfo);

  /* generate a pixbuf for the pixel data */
  return gdk_pixbuf_new_from_data (pixels, GDK_COLORSPACE_RGB,
                                   (cinfo.out_color_components == 4), 8,
                                   cinfo.output_width, cinfo.output_height,
                                   cinfo.output_width * out_num_components,
                                   (GdkPixbufDestroyNotify) g_free, NULL);

error:
  jpeg_destroy_decompress (&cinfo);
  g_free (buffer);
  g_free (pixels);
  return NULL;
}
Exemplo n.º 26
0
static gboolean _frame_handler(GstElement *img, GstBuffer *buffer, gpointer data)
{
    static gboolean inited = FALSE;
    static gboolean sended = FALSE;

    if (!inited) {
        g_timer_start(recognition_info.timer);
        inited = TRUE;
    }

    if (frame == NULL)
        frame = cvCreateImageHeader(cvSize(640, 480), IPL_DEPTH_8U, 3);

    switch (recognition_info.reco_state) {
    case NOT_START_RECOGNIZING:
        g_debug("[%s] not start recognizing", __func__);
        if (copy_buffer != NULL)
            gst_buffer_unref(copy_buffer);

        if (pure_buffer != NULL)
            gst_buffer_unref(pure_buffer);

        copy_buffer = gst_buffer_copy((buffer));
        pure_buffer = gst_buffer_copy((buffer));

        frame->imageData = (char*)GST_BUFFER_DATA(copy_buffer);
        if (recognition_info.detect_is_enabled) {
            detect(frame);
        } else {
            g_timer_start(recognition_info.timer);
        }
        recognition_info.source_data = (guchar*)(frame->imageData);
        recognition_info.length = GST_BUFFER_SIZE(copy_buffer);
        recognition_info.has_data = TRUE;
        break;
    case START_RECOGNIZING:
        g_debug("[%s] start recognizing", __func__);
        recognition_info.source_data = (guchar*)GST_BUFFER_DATA(pure_buffer);
        recognition_info.length = GST_BUFFER_SIZE(pure_buffer);
        GdkPixbuf* pixbuf = gdk_pixbuf_new_from_data(recognition_info.source_data,
                                                     GDK_COLORSPACE_RGB,  // color space
                                                     FALSE,  // has alpha
                                                     8,  // bits per sample
                                                     CAMERA_WIDTH,  // width
                                                     CAMERA_HEIGHT,  // height
                                                     3*CAMERA_WIDTH,  // row stride
                                                     NULL,  // destroy function
                                                     NULL  // destroy function data
                                                    );
        GError* error = NULL;
        gdk_pixbuf_save(pixbuf, "/tmp/deepin_user_face.png", "png", &error, NULL);
        if (error != NULL) {
            g_debug("[%s] %s", __func__, error->message);
            g_error_free(error);
        }

        g_object_unref(pixbuf);
        recognition_info.has_data = TRUE;

        js_post_signal("start-animation");
        recognition_info.reco_state = RECOGNIZING;
        sended = FALSE;
        reco();
        break;
    case RECOGNIZED:
        g_debug("[%s] recognized", __func__);
        if (!sended) {
            g_timeout_add(ANIMATION_TIME, recognized_handler, NULL);
            sended = TRUE;
        }
        break;
    case NOT_RECOGNIZED:
        g_debug("[%s] not recognized", __func__);
        if (!sended) {
            g_timeout_add(ANIMATION_TIME, not_recognize_handler, NULL);
            sended = TRUE;
        }
        break;
    case RECOGNIZE_FINISH:
        g_debug("[%s] recognizing finish", __func__);
        if (copy_buffer != NULL)
            gst_buffer_unref(copy_buffer);
        copy_buffer = gst_buffer_copy((buffer));
        recognition_info.source_data = (guchar*)GST_BUFFER_DATA(copy_buffer);
        recognition_info.length = GST_BUFFER_SIZE(pure_buffer);
        recognition_info.has_data = TRUE;
    }

    return TRUE;
}
Exemplo n.º 27
0
static void
_lib_filmstrip_dnd_begin_callback(GtkWidget *widget, GdkDragContext *context, gpointer user_data)
{
  const int ts = 64;

  dt_lib_module_t *self = (dt_lib_module_t *)user_data;
  dt_lib_filmstrip_t *strip = (dt_lib_filmstrip_t *)self->data;

  int imgid = strip->mouse_over_id;

  // imgid part of selection -> do nothing
  // otherwise               -> select the current image
  strip->select = DT_LIB_FILMSTRIP_SELECT_NONE;
  sqlite3_stmt *stmt;
  DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db), "select imgid from selected_images where imgid=?1", -1, &stmt, NULL);
  DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, imgid);
  if(sqlite3_step(stmt) != SQLITE_ROW)
  {
    dt_selection_select_single(darktable.selection, imgid);
    /* redraw filmstrip */
    if(darktable.view_manager->proxy.filmstrip.module)
      gtk_widget_queue_draw(darktable.view_manager->proxy.filmstrip.module->widget);
  }
  sqlite3_finalize(stmt);

  // if we are dragging a single image -> use the thumbnail of that image
  // otherwise use the generic d&d icon
  // TODO: have something pretty in the 2nd case, too.
  if(dt_collection_get_selected_count(NULL) == 1)
  {
    dt_mipmap_buffer_t buf;
    dt_mipmap_size_t mip = dt_mipmap_cache_get_matching_size(darktable.mipmap_cache, ts, ts);
    dt_mipmap_cache_read_get(darktable.mipmap_cache, &buf, imgid, mip, DT_MIPMAP_BLOCKING);

    if(buf.buf)
    {
      uint8_t *scratchmem = dt_mipmap_cache_alloc_scratchmem(darktable.mipmap_cache);
      uint8_t *buf_decompressed = dt_mipmap_cache_decompress(&buf, scratchmem);

      uint8_t *rgbbuf = g_malloc((buf.width+2)*(buf.height+2)*3);
      memset(rgbbuf, 64, (buf.width+2)*(buf.height+2)*3);
      for(int i=1; i<=buf.height; i++)
        for(int j=1; j<=buf.width; j++)
          for(int k=0; k<3; k++)
            rgbbuf[(i*(buf.width+2)+j)*3+k] = buf_decompressed[((i-1)*buf.width+j-1)*4+2-k];

      int w=ts, h=ts;
      if(buf.width < buf.height) w = (buf.width*ts)/buf.height; // portrait
      else                       h = (buf.height*ts)/buf.width; // landscape

      GdkPixbuf *source = gdk_pixbuf_new_from_data(rgbbuf, GDK_COLORSPACE_RGB, FALSE, 8, (buf.width+2), (buf.height+2), (buf.width+2)*3, NULL, NULL);
      GdkPixbuf *scaled = gdk_pixbuf_scale_simple(source, w, h, GDK_INTERP_HYPER);
      gtk_drag_set_icon_pixbuf(context, scaled, 0, 0);

      if(source)
        g_object_unref(source);
      if(scaled)
        g_object_unref(scaled);
      free(scratchmem);
      g_free(rgbbuf);
    }

    dt_mipmap_cache_read_release(darktable.mipmap_cache, &buf);
  }
}
Exemplo n.º 28
0
void _draw(JSValueRef canvas, double dest_width, double dest_height)
{
    static gboolean not_draw = FALSE;

    if (recognition_info.reco_state == RECOGNIZING) {
        /* g_debug("[%s] recognizing", __func__); */
        return;
    }

    if (!recognition_info.has_data) {
        g_debug("[%s] get no data from camera", __func__);
        return;
    }

    if (JSValueIsNull(get_global_context(), canvas)) {
        g_debug("[%s] draw with null canvas!", __func__);
        return;
    }

    if (recognition_info.source_data == NULL) {
        g_debug("[%s] source_data is null", __func__);
        return;
    }

    g_debug("[%s]", __func__);

    cairo_t* cr = fetch_cairo_from_html_canvas(get_global_context(), canvas);
    g_assert(cr != NULL);
    cairo_save(cr);

    gulong len = recognition_info.length;
    guchar* data = g_slice_copy(len, recognition_info.source_data);
    GdkPixbuf* pixbuf = gdk_pixbuf_new_from_data(data,
                                                 GDK_COLORSPACE_RGB,  // color space
                                                 FALSE,  // has alpha
                                                 8,  // bits per sample
                                                 CAMERA_WIDTH,  // width
                                                 CAMERA_HEIGHT,  // height
                                                 3*CAMERA_WIDTH,  // row stride
                                                 destroy_pixels,  // destroy function
                                                 GINT_TO_POINTER(len)  // destroy function data
                                                );

    double scale = 0;
    if (CAMERA_WIDTH > CAMERA_HEIGHT) {
        scale = dest_height/CAMERA_HEIGHT;
        cairo_scale(cr, scale, scale);
        gdk_cairo_set_source_pixbuf(cr, pixbuf, 0.5 * (dest_width / scale -
                                                       CAMERA_WIDTH), 0);
    } else {
        scale = dest_width/CAMERA_WIDTH;
        cairo_scale(cr, scale, scale);
        gdk_cairo_set_source_pixbuf(cr, pixbuf, 0, 0.5 * (dest_height / scale -
                                                          CAMERA_HEIGHT));
    }

    cairo_paint(cr);
    cairo_restore(cr);

    canvas_custom_draw_did(cr, NULL);
    g_object_unref(pixbuf);

    recognition_info.has_data = FALSE;
}
Exemplo n.º 29
0
void
create_map_image(playerc_map_t* map, const char* fname, const char* fmt)
{
  GdkPixbuf* pixbuf;
  guchar* pixels;
  int i,j;

  g_type_init();

  pixels = (guchar*)malloc(sizeof(unsigned char) * 3 *
                           map->width * map->height);
  assert(pixels);

  for(j=0; j < map->height; j++)
  {
    for(i=0; i < map->width; i++)
    {
      if(map->cells[PLAYERC_MAP_INDEX(map,i,j)] == -1)
      {
        pixels[(map->width * 
                (map->height - j-1) + i)*3] = 255;
        pixels[(map->width * 
                (map->height - j-1) + i)*3+1] = 255;
        pixels[(map->width * 
                (map->height - j-1) + i)*3+2] = 255;
      }
      else if(map->cells[PLAYERC_MAP_INDEX(map,i,j)] == 0)
      {
        pixels[(map->width * 
                (map->height - j-1) + i)*3] = 100;
        pixels[(map->width * 
                (map->height - j-1) + i)*3+1] = 100;
        pixels[(map->width * 
                (map->height - j-1) + i)*3+2] = 100;
      }
      else
      {
        pixels[(map->width * 
                (map->height - j-1) + i)*3] = 0;
        pixels[(map->width * 
                (map->height - j-1) + i)*3+1] = 0;
        pixels[(map->width * 
                (map->height - j-1) + i)*3+2] = 0;
      }
    }
  }
  
  // create the pixbuf
  g_assert((pixbuf = gdk_pixbuf_new_from_data(pixels,
                                              GDK_COLORSPACE_RGB,
                                              FALSE,
                                              8,
                                              map->width, 
                                              map->height, 
                                              3*map->width,
                                              NULL,
                                              NULL)));

  if(!gdk_pixbuf_save(pixbuf, fname, fmt, NULL, NULL))
    puts("failed to save image file; sorry.");

  g_object_unref((GObject*)pixbuf);
}
static GdkPixbuf *
mouse_settings_themes_pixbuf_from_filename (const gchar *filename,
                                            guint        size)
{
    XcursorImage *image;
    GdkPixbuf    *scaled, *pixbuf = NULL;
    gsize         bsize;
    guchar       *buffer, *p, tmp;
    gdouble       wratio, hratio;
    gint          dest_width, dest_height;

    /* load the image */
    image = XcursorFilenameLoadImage (filename, size);
    if (G_LIKELY (image))
    {
        /* buffer size */
        bsize = image->width * image->height * 4;

        /* allocate buffer */
        buffer = g_malloc (bsize);

        /* copy pixel data to buffer */
        memcpy (buffer, image->pixels, bsize);

        /* swap bits */
        for (p = buffer; p < buffer + bsize; p += 4)
        {
            tmp = p[0];
            p[0] = p[2];
            p[2] = tmp;
        }

        /* create pixbuf */
        pixbuf = gdk_pixbuf_new_from_data (buffer, GDK_COLORSPACE_RGB, TRUE,
                                           8, image->width, image->height,
                                           4 * image->width,
                                           (GdkPixbufDestroyNotify) g_free, NULL);

        /* don't leak when creating the pixbuf failed */
        if (G_UNLIKELY (pixbuf == NULL))
            g_free (buffer);

        /* scale pixbuf if needed */
        if (pixbuf && (image->height > size || image->width > size))
        {
            /* calculate the ratio */
            wratio = (gdouble) image->width / (gdouble) size;
            hratio = (gdouble) image->height / (gdouble) size;

            /* init */
            dest_width = dest_height = size;

            /* set dest size */
            /*if (hratio > wratio)
                dest_width  = rint (image->width / hratio);
            else
                dest_height = rint (image->height / wratio);*/
            dest_height = 16;
            dest_width = 16;

            /* scale pixbuf */
            scaled = gdk_pixbuf_scale_simple (pixbuf, MAX (dest_width, 1), MAX (dest_height, 1), GDK_INTERP_BILINEAR);

            /* release and set scaled pixbuf */
            g_object_unref (G_OBJECT (pixbuf));
            pixbuf = scaled;
        }

        /* cleanup */
        XcursorImageDestroy (image);
    }

    return pixbuf;
}