static gboolean image_save_jpeg(image_output out, float quality, float smoothing, gboolean entropy, gboolean progressive, gchar* comment, int subsampling, gboolean baseline, int markers, int dct) 
{
    gint nreturn_vals;
    int final_drawable = gimp_image_merge_visible_layers(out->image_id, GIMP_CLIP_TO_IMAGE);
    
    // "file_jpeg_save" doesn't support indexed images
    if (gimp_drawable_is_indexed(final_drawable)) {
        gimp_image_convert_rgb(out->image_id);
    }
    
    GimpParam *return_vals = gimp_run_procedure(
        "file_jpeg_save",
        &nreturn_vals,
        GIMP_PDB_INT32, GIMP_RUN_NONINTERACTIVE,
        GIMP_PDB_IMAGE, out->image_id,
        GIMP_PDB_DRAWABLE, final_drawable,
        GIMP_PDB_STRING, out->filepath,
        GIMP_PDB_STRING, out->filename,
        GIMP_PDB_FLOAT, quality >= 3 ? quality/100 : 0.03,    // Quality of saved image (0 <= quality <= 1) + small fix because final image doesn't change when quality < 3 
        GIMP_PDB_FLOAT, smoothing,                // Smoothing factor for saved image (0 <= smoothing <= 1) 
        GIMP_PDB_INT32, entropy ? 1 : 0,        // Optimization of entropy encoding parameters (0/1) 
        GIMP_PDB_INT32, progressive ? 1 : 0,    // Enable progressive jpeg image loading - ignored if not compiled with HAVE_PROGRESSIVE_JPEG (0/1) 
        GIMP_PDB_STRING, comment,                // Image comment 
        GIMP_PDB_INT32, subsampling,            // The subsampling option number 
        GIMP_PDB_INT32, baseline ? 1 : 0,        // Force creation of a baseline JPEG (non-baseline JPEGs can't be read by all decoders) (0/1) 
        GIMP_PDB_INT32, markers,                // Frequency of restart markers (in rows, 0 = no restart markers) 
        GIMP_PDB_INT32, dct,                    // DCT algorithm to use (speed/quality tradeoff) 
        GIMP_PDB_END
    );
    
    return TRUE;
}
Esempio n. 2
0
static void
export_convert_bitmap (gint32  image_ID,
                       gint32 *drawable_ID)
{
  if (gimp_image_base_type (image_ID) == GIMP_INDEXED)
    gimp_image_convert_rgb (image_ID);

  gimp_image_convert_indexed (image_ID, GIMP_FS_DITHER,
                              GIMP_MAKE_PALETTE, 2, FALSE, FALSE, "");
}
static gboolean apply_color(color_settings settings, image_output out) 
{
    gboolean success = TRUE;
    
    int default_drawable = out->drawable_ids[0];
    if (settings->brightness != 0 || settings->contrast != 0) {
        // brightness or contrast have been modified, apply the manipulation 
        
        if (!gimp_drawable_is_rgb(default_drawable)) {
            gimp_image_convert_rgb(out->image_id);
        }
        
        int i;
        for (i = 0; i < out->drawable_count; i++) {
            success = gimp_brightness_contrast(
                out->drawable_ids[i], 
                settings->brightness, 
                settings->contrast
            );
        }
    }
    
    if (settings->grayscale && !gimp_drawable_is_gray(default_drawable)) {
        // do grayscale conversion 
        success = gimp_image_convert_grayscale(out->image_id);
    }
    
    if (settings->levels_auto) {
        // do levels correction 
        int i;
        for (i = 0; i < out->drawable_count; i++) {
            success = gimp_levels_stretch(out->drawable_ids[i]);
        }
    }
    
    if (settings->curve_file != NULL && !gimp_drawable_is_indexed(default_drawable)) {
        // apply curve 
        
        if (!colorcurve_init) { // read from the curve file only the first time
            success = parse_curve_file(
                settings->curve_file, 
                &colorcurve_num_points_v, &colorcurve_ctr_points_v, 
                &colorcurve_num_points_r, &colorcurve_ctr_points_r, 
                &colorcurve_num_points_g, &colorcurve_ctr_points_g, 
                &colorcurve_num_points_b, &colorcurve_ctr_points_b, 
                &colorcurve_num_points_a, &colorcurve_ctr_points_a
            ); 
            
            colorcurve_init = TRUE;
        }
        else success = TRUE;
        
        if (success) {
            
            int i;
            for (i = 0; i < out->drawable_count; i++) {
                if (colorcurve_num_points_v >= 4 && colorcurve_num_points_v <= 34) {
                    success = gimp_curves_spline(out->drawable_ids[i], GIMP_HISTOGRAM_VALUE, colorcurve_num_points_v, colorcurve_ctr_points_v);
                }
                
                if (colorcurve_num_points_r >= 4 && colorcurve_num_points_r <= 34) {
                    success = gimp_curves_spline(out->drawable_ids[i], GIMP_HISTOGRAM_RED, colorcurve_num_points_r, colorcurve_ctr_points_r);
                }
                
                if (colorcurve_num_points_g >= 4 && colorcurve_num_points_g <= 34) {
                    success = gimp_curves_spline(out->drawable_ids[i], GIMP_HISTOGRAM_GREEN, colorcurve_num_points_g, colorcurve_ctr_points_g);
                }
                
                if (colorcurve_num_points_b >= 4 && colorcurve_num_points_b <= 34) {
                    success = gimp_curves_spline(out->drawable_ids[i], GIMP_HISTOGRAM_BLUE, colorcurve_num_points_b, colorcurve_ctr_points_b);
                }
                
                if (colorcurve_num_points_a >= 4 && colorcurve_num_points_a <= 34) {
                    success = gimp_curves_spline(out->drawable_ids[i], GIMP_HISTOGRAM_ALPHA, colorcurve_num_points_a, colorcurve_ctr_points_a);
                }
            }
        }
    }
    
    return success;
}
Esempio n. 4
0
GimpPDBStatusType
SaveICNS (const gchar *file_name,
          gint32       image_ID)
{
  // Horrible awful temporary hack
  ResourceHeader icnsHeader;
  ResourceHeader it32Header;
  ResourceHeader t8mkHeader;
  
  guchar *compData, *alphaData;
  FILE *outfile;
  
  guchar *pixels;
  gint dataSize;
  

  if (gimp_image_base_type (image_ID) != GIMP_RGB)
    {
      if (! gimp_image_convert_rgb (image_ID))
        return GIMP_PDB_EXECUTION_ERROR;
    }

  gint *layers;
  gint nlayers;
  GimpPixelRgn region;
  
  layers = gimp_image_get_layers (image_ID, &nlayers);
  GimpDrawable *drawable = gimp_drawable_get (layers[0]);
  
  pixels = g_new (guchar, 128*128*4);
  gimp_pixel_rgn_init (&region, drawable, 0, 0, 128, 128, TRUE, FALSE);
  gimp_pixel_rgn_get_rect (&region, pixels, 0, 0, 128, 128);
  
  compData = icns_compress (128, 128, pixels, &dataSize);
  alphaData = icns_get_alpha (128, 128, pixels);
  
  it32Header.type = GUINT32_TO_BE ('it32');
  it32Header.size = GUINT32_TO_BE (sizeof (ResourceHeader) + dataSize);
  
  t8mkHeader.type = GUINT32_TO_BE ('t8mk');
  t8mkHeader.size = GUINT32_TO_BE (sizeof (ResourceHeader) + 128*128);
  
  icnsHeader.type = GUINT32_TO_BE ('icns');
  icnsHeader.size = dataSize + 128*128 + 3 * sizeof (ResourceHeader);
  
  outfile = fopen (file_name, "wb");
  if (outfile)
    {
      fwrite (&icnsHeader, 1, sizeof (ResourceHeader), outfile);
      fwrite (&it32Header, 1, sizeof (ResourceHeader), outfile);
      fwrite (compData, 1, dataSize, outfile);
      fwrite (&t8mkHeader, 1, sizeof (ResourceHeader), outfile);
      fwrite (alphaData, 1, 128*128, outfile);
      fclose (outfile);
    }
  else
    {
      g_warning ("SaveICNS: couldn't open output file");
    }

  g_free (pixels);
  g_free (compData);
  g_free (alphaData);
  return GIMP_PDB_SUCCESS;
}
Esempio n. 5
0
static gboolean
webx_pipeline_check_update (WebxPipeline *pipeline)
{
  gint *layers;
  gint  num_layers;
  gint  i;

  g_return_val_if_fail (WEBX_IS_PIPELINE (pipeline), FALSE);

  if (pipeline->rgb_image != -1)
    {
      gimp_image_delete (pipeline->rgb_image);
      pipeline->rgb_image = -1;
    }
  if (pipeline->indexed_image != -1)
    {
      gimp_image_delete (pipeline->indexed_image);
      pipeline->indexed_image = -1;
    }
  if (pipeline->background)
    {
      g_object_unref (pipeline->background);
      pipeline->background = NULL;
    }

  pipeline->rgb_image = gimp_image_duplicate (pipeline->user_image);
  gimp_image_undo_disable (pipeline->rgb_image);
  pipeline->rgb_layer =
    gimp_image_merge_visible_layers (pipeline->rgb_image,
                                     GIMP_CLIP_TO_IMAGE);

  /* make sure there is only one layer, where all visible layers were merged */
  layers = gimp_image_get_layers (pipeline->rgb_image, &num_layers);
  for (i = 0; i < num_layers; i++)
    {
      if (layers[i] != pipeline->rgb_layer)
        gimp_image_remove_layer (pipeline->rgb_image, layers[i]);
    }
  g_free (layers);

  /* we don't want layer to be smaller than image */
  gimp_layer_resize_to_image_size (pipeline->rgb_layer);
  gimp_image_scale (pipeline->rgb_image,
                    pipeline->resize_width, pipeline->resize_height);
  webx_pipeline_create_background (pipeline);

  pipeline->crop_offsx *= pipeline->crop_scale_x;
  pipeline->crop_offsy *= pipeline->crop_scale_y;
  pipeline->crop_width *= pipeline->crop_scale_x;
  pipeline->crop_height *= pipeline->crop_scale_y;
  pipeline->crop_scale_x = 1.0;
  pipeline->crop_scale_y = 1.0;
  webx_pipeline_crop_clip (pipeline);

  if (pipeline->crop_width != pipeline->resize_width
      || pipeline->crop_height != pipeline->resize_height )
    {
      gimp_image_crop (pipeline->rgb_image,
                       pipeline->crop_width, pipeline->crop_height,
                       pipeline->crop_offsx, pipeline->crop_offsy);
    }
    
  if (gimp_drawable_is_indexed (pipeline->rgb_layer))
    {
      pipeline->indexed_image = gimp_image_duplicate (pipeline->rgb_image);
      gimp_image_undo_disable (pipeline->indexed_image);
      pipeline->indexed_layer =
        gimp_image_merge_visible_layers (pipeline->indexed_image,
                                         GIMP_CLIP_TO_IMAGE);
    }
  else
    {
      pipeline->indexed_image = -1;
      pipeline->indexed_layer = -1;
    }

  if ( ! gimp_drawable_is_rgb (pipeline->rgb_layer))
    gimp_image_convert_rgb (pipeline->rgb_image);

  return TRUE;
}
Esempio n. 6
0
static gint32
ReadImage (FILE        *fd,
           const gchar *filename,
           gint         len,
           gint         height,
           CMap         cmap,
           gint         ncols,
           gint         format,
           gint         interlace,
           gint         number,
           guint        leftpos,
           guint        toppos,
           guint        screenwidth,
           guint        screenheight)
{
  static gint32 image_ID   = -1;
  static gint   frame_number = 1;

  gint32        layer_ID;
  GimpPixelRgn  pixel_rgn;
  GimpDrawable *drawable;
  guchar       *dest, *temp;
  guchar        c;
  gint          xpos = 0, ypos = 0, pass = 0;
  gint          cur_progress, max_progress;
  gint          v;
  gint          i, j;
  gchar        *framename;
  gchar        *framename_ptr;
  gboolean      alpha_frame = FALSE;
  static gint   previous_disposal;

  /* Guard against bogus frame size */
  if (len < 1 || height < 1)
    {
      g_message ("Bogus frame dimensions");
      return -1;
    }

  /*
   **  Initialize the Compression routines
   */
  if (! ReadOK (fd, &c, 1))
    {
      g_message ("EOF / read error on image data");
      return -1;
    }

  if (LZWReadByte (fd, TRUE, c) < 0)
    {
      g_message ("Error while reading");
      return -1;
    }

  if (frame_number == 1)
    {
      /* Guard against bogus logical screen size values */
      if (screenwidth == 0)
        screenwidth = len;

      if (screenheight == 0)
        screenheight = height;

      image_ID = gimp_image_new (screenwidth, screenheight, GIMP_INDEXED);
      gimp_image_set_filename (image_ID, filename);

      for (i = 0, j = 0; i < ncols; i++)
        {
          used_cmap[0][i] = gimp_cmap[j++] = cmap[0][i];
          used_cmap[1][i] = gimp_cmap[j++] = cmap[1][i];
          used_cmap[2][i] = gimp_cmap[j++] = cmap[2][i];
        }

      gimp_image_set_colormap (image_ID, gimp_cmap, ncols);

      if (Gif89.delayTime < 0)
        framename = g_strdup (_("Background"));
      else
        framename = g_strdup_printf (_("Background (%d%s)"),
                                     10 * Gif89.delayTime, "ms");

      previous_disposal = Gif89.disposal;

      if (Gif89.transparent == -1)
        {
          layer_ID = gimp_layer_new (image_ID, framename,
                                     len, height,
                                     GIMP_INDEXED_IMAGE, 100, GIMP_NORMAL_MODE);
        }
      else
        {
          layer_ID = gimp_layer_new (image_ID, framename,
                                     len, height,
                                     GIMP_INDEXEDA_IMAGE, 100, GIMP_NORMAL_MODE);
          alpha_frame=TRUE;
        }

      g_free (framename);
    }
  else /* NOT FIRST FRAME */
    {
      gimp_progress_set_text_printf (_("Opening '%s' (frame %d)"),
                                     gimp_filename_to_utf8 (filename),
                                     frame_number);
      gimp_progress_pulse ();

       /* If the colourmap is now different, we have to promote to RGB! */
      if (! promote_to_rgb)
        {
          for (i = 0; i < ncols; i++)
            {
              if ((used_cmap[0][i] != cmap[0][i]) ||
                  (used_cmap[1][i] != cmap[1][i]) ||
                  (used_cmap[2][i] != cmap[2][i]))
                {
                  /* Everything is RGB(A) from now on... sigh. */
                  promote_to_rgb = TRUE;

                  /* Promote everything we have so far into RGB(A) */
#ifdef GIFDEBUG
                  g_print ("GIF: Promoting image to RGB...\n");
#endif
                  gimp_image_convert_rgb (image_ID);

                  break;
                }
            }
        }

      if (Gif89.delayTime < 0)
        framename = g_strdup_printf (_("Frame %d"), frame_number);
      else
        framename = g_strdup_printf (_("Frame %d (%d%s)"),
                                     frame_number, 10 * Gif89.delayTime, "ms");

      switch (previous_disposal)
        {
        case 0x00:
          break; /* 'don't care' */
        case 0x01:
          framename_ptr = framename;
          framename = g_strconcat (framename, " (combine)", NULL);
          g_free (framename_ptr);
          break;
        case 0x02:
          framename_ptr = framename;
          framename = g_strconcat (framename, " (replace)", NULL);
          g_free (framename_ptr);
          break;
        case 0x03:  /* Rarely-used, and unhandled by many
                       loaders/players (including GIMP: we treat as
                       'combine' mode). */
          framename_ptr = framename;
          framename = g_strconcat (framename, " (combine) (!)", NULL);
          g_free (framename_ptr);
          break;
        case 0x04: /* I've seen a composite of this type. stvo_online_banner2.gif */
        case 0x05:
        case 0x06: /* I've seen a composite of this type. bn31.Gif */
        case 0x07:
          framename_ptr = framename;
          framename = g_strconcat (framename, " (unknown disposal)", NULL);
          g_free (framename_ptr);
          g_message (_("GIF: Undocumented GIF composite type %d is "
                       "not handled.  Animation might not play or "
                       "re-save perfectly."),
                     previous_disposal);
          break;
        default:
          g_message ("Disposal word got corrupted.  Bug.");
          break;
        }
      previous_disposal = Gif89.disposal;

      layer_ID = gimp_layer_new (image_ID, framename,
                                 len, height,
                                 promote_to_rgb ?
                                 GIMP_RGBA_IMAGE : GIMP_INDEXEDA_IMAGE,
                                 100, GIMP_NORMAL_MODE);
      alpha_frame = TRUE;
      g_free (framename);
    }

  frame_number++;

  gimp_image_insert_layer (image_ID, layer_ID, -1, 0);
  gimp_layer_translate (layer_ID, (gint) leftpos, (gint) toppos);

  drawable = gimp_drawable_get (layer_ID);

  cur_progress = 0;
  max_progress = height;

  if (alpha_frame)
    dest = (guchar *) g_malloc (len * height * (promote_to_rgb ? 4 : 2));
  else
    dest = (guchar *) g_malloc (len * height);

#ifdef GIFDEBUG
    g_print ("GIF: reading %d by %d%s GIF image, ncols=%d\n",
             len, height, interlace ? " interlaced" : "", ncols);
#endif

  if (! alpha_frame && promote_to_rgb)
    {
      /* I don't see how one would easily construct a GIF in which
         this could happen, but it's a mad mad world. */
      g_message ("Ouch!  Can't handle non-alpha RGB frames.\n"
                 "Please file a bug report in GIMP's bugzilla.");
      gimp_quit ();
    }

  while ((v = LZWReadByte (fd, FALSE, c)) >= 0)
    {
      if (alpha_frame)
        {
          if (((guchar) v > highest_used_index) && !(v == Gif89.transparent))
            highest_used_index = (guchar) v;

          if (promote_to_rgb)
            {
              temp = dest + ( (ypos * len) + xpos ) * 4;
              *(temp  ) = (guchar) cmap[0][v];
              *(temp+1) = (guchar) cmap[1][v];
              *(temp+2) = (guchar) cmap[2][v];
              *(temp+3) = (guchar) ((v == Gif89.transparent) ? 0 : 255);
            }
          else
            {
              temp = dest + ( (ypos * len) + xpos ) * 2;
              *temp = (guchar) v;
              *(temp+1) = (guchar) ((v == Gif89.transparent) ? 0 : 255);
            }
        }
      else
        {
          if ((guchar) v > highest_used_index)
            highest_used_index = (guchar) v;

          temp = dest + (ypos * len) + xpos;
          *temp = (guchar) v;
        }

      xpos++;
      if (xpos == len)
        {
          xpos = 0;
          if (interlace)
            {
              switch (pass)
                {
                case 0:
                case 1:
                  ypos += 8;
                  break;
                case 2:
                  ypos += 4;
                  break;
                case 3:
                  ypos += 2;
                  break;
                }

              if (ypos >= height)
                {
                  pass++;
                  switch (pass)
                    {
                    case 1:
                      ypos = 4;
                      break;
                    case 2:
                      ypos = 2;
                      break;
                    case 3:
                      ypos = 1;
                      break;
                    default:
                      goto fini;
                    }
                }
            }
          else
            {
              ypos++;
            }

          if (frame_number == 1)
            {
              cur_progress++;
              if ((cur_progress % 16) == 0)
                gimp_progress_update ((gdouble) cur_progress /
                                      (gdouble) max_progress);
            }
        }

      if (ypos >= height)
        break;
    }

 fini:
  if (LZWReadByte (fd, FALSE, c) >= 0)
    g_print ("GIF: too much input data, ignoring extra...\n");

  gimp_pixel_rgn_init (&pixel_rgn, drawable,
                       0, 0, drawable->width, drawable->height, TRUE, FALSE);
  gimp_pixel_rgn_set_rect (&pixel_rgn, dest,
                           0, 0, drawable->width, drawable->height);

  g_free (dest);

  gimp_drawable_flush (drawable);
  gimp_drawable_detach (drawable);

  return image_ID;
}
Esempio n. 7
0
static void
ico_dialog_update_icon_preview (GtkWidget *dialog,
                                gint32     layer,
                                gint       bpp)
{
  GtkWidget *preview = ico_dialog_get_layer_preview (dialog, layer);
  GdkPixbuf *pixbuf;
  gint       w       = gimp_drawable_width (layer);
  gint       h       = gimp_drawable_height (layer);

  if (! preview)
    return;

  if (bpp <= 8)
    {
      GimpDrawable *drawable;
      GimpDrawable *tmp;
      GimpPixelRgn  src_pixel_rgn, dst_pixel_rgn;
      gint32        image;
      gint32        tmp_image;
      gint32        tmp_layer;
      guchar       *buffer;
      guchar       *cmap;
      gint          num_colors;

      image = gimp_item_get_image (layer);

      tmp_image = gimp_image_new (w, h, gimp_image_base_type (image));
      gimp_image_undo_disable (tmp_image);

      if (gimp_drawable_is_indexed (layer))
        {
          cmap = gimp_image_get_colormap (image, &num_colors);
          gimp_image_set_colormap (tmp_image, cmap, num_colors);
          g_free (cmap);
        }

      tmp_layer = gimp_layer_new (tmp_image, "temporary", w, h,
                                  gimp_drawable_type (layer),
                                  100, GIMP_NORMAL_MODE);
      gimp_image_insert_layer (tmp_image, tmp_layer, -1, 0);

      drawable = gimp_drawable_get (layer);
      tmp      = gimp_drawable_get (tmp_layer);

      gimp_pixel_rgn_init (&src_pixel_rgn, drawable, 0, 0, w, h, FALSE, FALSE);
      gimp_pixel_rgn_init (&dst_pixel_rgn, tmp,      0, 0, w, h, TRUE, FALSE);

      buffer = g_malloc (w * h * 4);
      gimp_pixel_rgn_get_rect (&src_pixel_rgn, buffer, 0, 0, w, h);
      gimp_pixel_rgn_set_rect (&dst_pixel_rgn, buffer, 0, 0, w, h);

      gimp_drawable_detach (tmp);
      gimp_drawable_detach (drawable);

      if (gimp_drawable_is_indexed (layer))
        gimp_image_convert_rgb (tmp_image);

      gimp_image_convert_indexed (tmp_image,
                                  GIMP_FS_DITHER, GIMP_MAKE_PALETTE,
                                  1 <<bpp, TRUE, FALSE, "dummy");

      cmap = gimp_image_get_colormap (tmp_image, &num_colors);
      if ( num_colors == (1 << bpp) &&
           !ico_cmap_contains_black (cmap, num_colors))
        {
          /* Windows icons with color maps need the color black.
           * We need to eliminate one more color to make room for black.
           */
          if (gimp_drawable_is_indexed (layer))
            {
              g_free (cmap);
              cmap = gimp_image_get_colormap (image, &num_colors);
              gimp_image_set_colormap (tmp_image, cmap, num_colors);
            }
          else if (gimp_drawable_is_gray (layer))
            {
              gimp_image_convert_grayscale (tmp_image);
            }
          else
            {
              gimp_image_convert_rgb (tmp_image);
            }

          tmp = gimp_drawable_get (tmp_layer);
          gimp_pixel_rgn_init (&dst_pixel_rgn,
                               tmp, 0, 0, w, h, TRUE, FALSE);
          gimp_pixel_rgn_set_rect (&dst_pixel_rgn, buffer, 0, 0, w, h);
          gimp_drawable_detach (tmp);

          if (!gimp_drawable_is_rgb (layer))
            gimp_image_convert_rgb (tmp_image);

          gimp_image_convert_indexed (tmp_image,
                                      GIMP_FS_DITHER, GIMP_MAKE_PALETTE,
                                      (1<<bpp) - 1, TRUE, FALSE, "dummy");
        }
      g_free (cmap);
      g_free (buffer);

      pixbuf = gimp_drawable_get_thumbnail (tmp_layer,
                                            MIN (w, 128), MIN (h, 128),
                                            GIMP_PIXBUF_SMALL_CHECKS);

      gimp_image_delete (tmp_image);
    }
  else if (bpp == 24)
    {
      GimpDrawable *drawable;
      GimpDrawable *tmp;
      GimpPixelRgn  src_pixel_rgn, dst_pixel_rgn;
      gint32        image;
      gint32        tmp_image;
      gint32        tmp_layer;
      guchar       *buffer;
      GimpParam    *return_vals;
      gint          n_return_vals;

      image = gimp_item_get_image (layer);

      tmp_image = gimp_image_new (w, h, gimp_image_base_type (image));
      gimp_image_undo_disable (tmp_image);

      if (gimp_drawable_is_indexed (layer))
        {
          guchar *cmap;
          gint    num_colors;

          cmap = gimp_image_get_colormap (image, &num_colors);
          gimp_image_set_colormap (tmp_image, cmap, num_colors);
          g_free (cmap);
        }

      tmp_layer = gimp_layer_new (tmp_image, "temporary", w, h,
                                  gimp_drawable_type (layer),
                                  100, GIMP_NORMAL_MODE);
      gimp_image_insert_layer (tmp_image, tmp_layer, -1, 0);

      drawable = gimp_drawable_get (layer);
      tmp      = gimp_drawable_get (tmp_layer);

      gimp_pixel_rgn_init (&src_pixel_rgn, drawable, 0, 0, w, h, FALSE, FALSE);
      gimp_pixel_rgn_init (&dst_pixel_rgn, tmp,      0, 0, w, h, TRUE, FALSE);

      buffer = g_malloc (w * h * 4);
      gimp_pixel_rgn_get_rect (&src_pixel_rgn, buffer, 0, 0, w, h);
      gimp_pixel_rgn_set_rect (&dst_pixel_rgn, buffer, 0, 0, w, h);
      g_free (buffer);

      gimp_drawable_detach (tmp);
      gimp_drawable_detach (drawable);

      if (gimp_drawable_is_indexed (layer))
        gimp_image_convert_rgb (tmp_image);

      return_vals =
        gimp_run_procedure ("plug-in-threshold-alpha", &n_return_vals,
                            GIMP_PDB_INT32, GIMP_RUN_NONINTERACTIVE,
                            GIMP_PDB_IMAGE, tmp_image,
                            GIMP_PDB_DRAWABLE, tmp_layer,
                            GIMP_PDB_INT32, ICO_ALPHA_THRESHOLD,
                            GIMP_PDB_END);
      gimp_destroy_params (return_vals, n_return_vals);

      pixbuf = gimp_drawable_get_thumbnail (tmp_layer,
                                            MIN (w, 128), MIN (h, 128),
                                            GIMP_PIXBUF_SMALL_CHECKS);

      gimp_image_delete (tmp_image);
    }
  else
    {
      pixbuf = gimp_drawable_get_thumbnail (layer,
                                            MIN (w, 128), MIN (h, 128),
                                            GIMP_PIXBUF_SMALL_CHECKS);
    }

  gtk_image_set_from_pixbuf (GTK_IMAGE (preview), pixbuf);
  g_object_unref (pixbuf);
}
Esempio n. 8
0
static void
ico_image_get_reduced_buf (guint32   layer,
                           gint      bpp,
                           gint     *num_colors,
                           guchar  **cmap_out,
                           guchar  **buf_out)
{
  gint32      tmp_image;
  gint32      tmp_layer;
  gint        w, h;
  guchar     *buf;
  guchar     *cmap   = NULL;
  GeglBuffer *buffer = gimp_drawable_get_buffer (layer);
  const Babl *format;

  w = gegl_buffer_get_width  (buffer);
  h = gegl_buffer_get_height (buffer);

  switch (gimp_drawable_type (layer))
    {
    case GIMP_RGB_IMAGE:
      format = babl_format ("R'G'B' u8");
      break;

    case GIMP_RGBA_IMAGE:
      format = babl_format ("R'G'B'A u8");
      break;

    case GIMP_GRAY_IMAGE:
      format = babl_format ("Y' u8");
      break;

    case GIMP_GRAYA_IMAGE:
      format = babl_format ("Y'A u8");
      break;

    case GIMP_INDEXED_IMAGE:
    case GIMP_INDEXEDA_IMAGE:
      format = gegl_buffer_get_format (buffer);

    default:
      g_return_if_reached ();
    }

  *num_colors = 0;

  buf = g_new (guchar, w * h * 4);

  if (bpp <= 8 || bpp == 24 || babl_format_get_bytes_per_pixel (format) != 4)
    {
      gint32      image = gimp_item_get_image (layer);
      GeglBuffer *tmp;

      tmp_image = gimp_image_new (w, h, gimp_image_base_type (image));
      gimp_image_undo_disable (tmp_image);

      if (gimp_drawable_is_indexed (layer))
        {
          guchar *cmap;
          gint    num_colors;

          cmap = gimp_image_get_colormap (image, &num_colors);
          gimp_image_set_colormap (tmp_image, cmap, num_colors);
          g_free (cmap);
        }

      tmp_layer = gimp_layer_new (tmp_image, "tmp", w, h,
                                  gimp_drawable_type (layer),
                                  100, GIMP_NORMAL_MODE);
      gimp_image_insert_layer (tmp_image, tmp_layer, -1, 0);

      tmp = gimp_drawable_get_buffer (tmp_layer);

      gegl_buffer_get (buffer, GEGL_RECTANGLE (0, 0, w, h), 1.0,
                       format, buf,
                       GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);

      gegl_buffer_copy (buffer, NULL, GEGL_ABYSS_NONE, tmp, NULL);

      g_object_unref (tmp);

      if (! gimp_drawable_is_rgb (tmp_layer))
        gimp_image_convert_rgb (tmp_image);

      if (bpp <= 8)
        {
          gimp_image_convert_indexed (tmp_image,
                                      GIMP_FS_DITHER, GIMP_MAKE_PALETTE,
                                      1 << bpp, TRUE, FALSE, "dummy");

          cmap = gimp_image_get_colormap (tmp_image, num_colors);

          if (*num_colors == (1 << bpp) &&
              ! ico_cmap_contains_black (cmap, *num_colors))
            {
              /* Windows icons with color maps need the color black.
               * We need to eliminate one more color to make room for black.
               */

              if (gimp_drawable_is_indexed (layer))
                {
                  g_free (cmap);
                  cmap = gimp_image_get_colormap (image, num_colors);
                  gimp_image_set_colormap (tmp_image, cmap, *num_colors);
                }
              else if (gimp_drawable_is_gray (layer))
                {
                  gimp_image_convert_grayscale (tmp_image);
                }
              else
                {
                  gimp_image_convert_rgb (tmp_image);
                }

              tmp = gimp_drawable_get_buffer (tmp_layer);

              gegl_buffer_set (tmp, GEGL_RECTANGLE (0, 0, w, h), 0,
                               format, buf, GEGL_AUTO_ROWSTRIDE);

              g_object_unref (tmp);

              if (! gimp_drawable_is_rgb (layer))
                gimp_image_convert_rgb (tmp_image);

              gimp_image_convert_indexed (tmp_image,
                                          GIMP_FS_DITHER, GIMP_MAKE_PALETTE,
                                          (1<<bpp) - 1, TRUE, FALSE, "dummy");
              g_free (cmap);
              cmap = gimp_image_get_colormap (tmp_image, num_colors);
            }

          gimp_image_convert_rgb (tmp_image);
        }
      else if (bpp == 24)
        {
          GimpParam    *return_vals;
          gint          n_return_vals;

          return_vals =
            gimp_run_procedure ("plug-in-threshold-alpha", &n_return_vals,
                                GIMP_PDB_INT32, GIMP_RUN_NONINTERACTIVE,
                                GIMP_PDB_IMAGE, tmp_image,
                                GIMP_PDB_DRAWABLE, tmp_layer,
                                GIMP_PDB_INT32, ICO_ALPHA_THRESHOLD,
                                GIMP_PDB_END);
          gimp_destroy_params (return_vals, n_return_vals);
        }

      gimp_layer_add_alpha (tmp_layer);

      tmp = gimp_drawable_get_buffer (tmp_layer);

      gegl_buffer_get (tmp, GEGL_RECTANGLE (0, 0, w, h), 1.0,
                       NULL, buf,
                       GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);

      g_object_unref (tmp);

      gimp_image_delete (tmp_image);
    }
  else
    {
      gegl_buffer_get (buffer, GEGL_RECTANGLE (0, 0, w, h), 1.0,
                       format, buf,
                       GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
    }

  g_object_unref (buffer);

  *cmap_out = cmap;
  *buf_out = buf;
}
Esempio n. 9
0
/* Compose a roll film image from several images */
static gint32
film (void)
{
  gint          width, height;
  guchar       *hole;
  gint          film_height, film_width;
  gint          picture_width, picture_height;
  gint          picture_space, picture_x0, picture_y0;
  gint          hole_offset, hole_width, hole_height, hole_space, hole_x;
  gint          number_height, num_images, num_pictures;
  gint          j, k, picture_count;
  gdouble       f;
  gint          num_layers;
  gint32       *image_ID_src, image_ID_dst, layer_ID_src, layer_ID_dst;
  gint          image_ID_tmp;
  gint32       *layers;
  GimpDrawable *drawable_dst;
  GimpPixelRgn  pixel_rgn_dst;
  gint          new_layer;
  gint          floating_sel;

  /* initialize */

  layers = NULL;

  num_images = filmvals.num_images;
  image_ID_src = filmvals.image;

  if (num_images <= 0)
    return (-1);

  gimp_context_push ();
  gimp_context_set_foreground (&filmvals.number_color);
  gimp_context_set_background (&filmvals.film_color);

  if (filmvals.keep_height) /* Search maximum picture height */
    {
      picture_height = 0;
      for (j = 0; j < num_images; j++)
        {
          height = gimp_image_height (image_ID_src[j]);
          if (height > picture_height) picture_height = height;
        }
      film_height = (int)(picture_height / filmvals.picture_height + 0.5);
      filmvals.film_height = film_height;
    }
  else
    {
      film_height = filmvals.film_height;
      picture_height = (int)(film_height * filmvals.picture_height + 0.5);
    }

  picture_space = (int)(film_height * filmvals.picture_space + 0.5);
  picture_y0 = (film_height - picture_height)/2;

  number_height = film_height * filmvals.number_height;

  /* Calculate total film width */
  film_width = 0;
  num_pictures = 0;
  for (j = 0; j < num_images; j++)
    {
      layers = gimp_image_get_layers (image_ID_src[j], &num_layers);
      /* Get scaled image size */
      width = gimp_image_width (image_ID_src[j]);
      height = gimp_image_height (image_ID_src[j]);
      f = ((double)picture_height) / (double)height;
      picture_width = width * f;

      for (k = 0; k < num_layers; k++)
        {
          if (gimp_layer_is_floating_sel (layers[k]))
            continue;

          film_width += (picture_space/2);  /* Leading space */
          film_width += picture_width;      /* Scaled image width */
          film_width += (picture_space/2);  /* Trailing space */
          num_pictures++;
        }

      g_free (layers);
    }

#ifdef FILM_DEBUG
  g_printerr ("film_height = %d, film_width = %d\n", film_height, film_width);
  g_printerr ("picture_height = %d, picture_space = %d, picture_y0 = %d\n",
              picture_height, picture_space, picture_y0);
  g_printerr ("Number of pictures = %d\n", num_pictures);
#endif

  image_ID_dst = create_new_image (_("Untitled"),
                                   (guint) film_width, (guint) film_height,
                                   GIMP_RGB_IMAGE, &layer_ID_dst,
                                   &drawable_dst, &pixel_rgn_dst);

  /* Fill film background */
  gimp_drawable_fill (layer_ID_dst, GIMP_FILL_BACKGROUND);

  /* Draw all the holes */
  hole_offset = film_height * filmvals.hole_offset;
  hole_width = film_height * filmvals.hole_width;
  hole_height = film_height * filmvals.hole_height;
  hole_space = film_height * filmvals.hole_space;
  hole_x = hole_space / 2;

#ifdef FILM_DEBUG
  g_printerr ("hole_x %d hole_offset %d hole_width %d hole_height %d hole_space %d\n",
              hole_x, hole_offset, hole_width, hole_height, hole_space );
#endif

  hole = create_hole_rgb (hole_width, hole_height);
  if (hole)
    {
      while (hole_x < film_width)
        {
          draw_hole_rgb (drawable_dst, hole_x,
                         hole_offset,
                         hole_width, hole_height, hole);
          draw_hole_rgb (drawable_dst, hole_x,
                         film_height-hole_offset-hole_height,
                         hole_width, hole_height, hole);

          hole_x += hole_width + hole_space;
        }
      g_free (hole);
    }
  gimp_drawable_detach (drawable_dst);


  /* Compose all images and layers */
  picture_x0 = 0;
  picture_count = 0;
  for (j = 0; j < num_images; j++)
    {
      image_ID_tmp = gimp_image_duplicate (image_ID_src[j]);
      width = gimp_image_width (image_ID_tmp);
      height = gimp_image_height (image_ID_tmp);
      f = ((gdouble) picture_height) / (gdouble) height;
      picture_width = width * f;
      if (gimp_image_base_type (image_ID_tmp) != GIMP_RGB)
        gimp_image_convert_rgb (image_ID_tmp);
      gimp_image_scale (image_ID_tmp, picture_width, picture_height);

      layers = gimp_image_get_layers (image_ID_tmp, &num_layers);
      for (k = 0; k < num_layers; k++)
        {
          if (gimp_layer_is_floating_sel (layers[k]))
            continue;

          picture_x0 += picture_space / 2;

          layer_ID_src = layers[k];
          gimp_layer_resize_to_image_size (layer_ID_src);
          new_layer = gimp_layer_new_from_drawable (layer_ID_src,
                                                    image_ID_dst);
          gimp_image_insert_layer (image_ID_dst, new_layer, -1, -1);
          gimp_layer_set_offsets (new_layer, picture_x0, picture_y0);

          /* Draw picture numbers */
          if ((number_height > 0) &&
              (filmvals.number_pos[0] || filmvals.number_pos[1]))
            {
              if (filmvals.number_pos[0])
                draw_number (layer_ID_dst,
                             filmvals.number_start + picture_count,
                             picture_x0 + picture_width/2,
                             (hole_offset-number_height)/2, number_height);
              if (filmvals.number_pos[1])
                draw_number (layer_ID_dst,
                             filmvals.number_start + picture_count,
                             picture_x0 + picture_width/2,
                             film_height - (hole_offset + number_height)/2,
                             number_height);
            }

          picture_x0 += picture_width + (picture_space/2);

          gimp_progress_update (((gdouble) (picture_count + 1)) /
                                (gdouble) num_pictures);

          picture_count++;
        }

      g_free (layers);
      gimp_image_delete (image_ID_tmp);
    }
  gimp_progress_update (1.0);

  gimp_image_flatten (image_ID_dst);

  /* Drawing text/numbers leaves us with a floating selection. Stop it */
  floating_sel = gimp_image_get_floating_sel (image_ID_dst);
  if (floating_sel != -1)
    gimp_floating_sel_anchor (floating_sel);

  gimp_context_pop ();

  return image_ID_dst;
}
Esempio n. 10
0
static void
export_convert_rgb (gint32  image_ID,
                    gint32 *drawable_ID)
{
  gimp_image_convert_rgb (image_ID);
}
Esempio n. 11
0
static void
ico_dialog_update_icon_preview (GtkWidget *dialog,
                                gint32     layer,
                                gint       bpp)
{
  GtkWidget  *preview = ico_dialog_get_layer_preview (dialog, layer);
  GdkPixbuf  *pixbuf;
  const Babl *format;
  gint        w       = gimp_drawable_width (layer);
  gint        h       = gimp_drawable_height (layer);

  if (! preview)
    return;

  switch (gimp_drawable_type (layer))
    {
    case GIMP_RGB_IMAGE:
      format = babl_format ("R'G'B' u8");
      break;

    case GIMP_RGBA_IMAGE:
      format = babl_format ("R'G'B'A u8");
      break;

    case GIMP_GRAY_IMAGE:
      format = babl_format ("Y' u8");
      break;

    case GIMP_GRAYA_IMAGE:
      format = babl_format ("Y'A u8");
      break;

    case GIMP_INDEXED_IMAGE:
    case GIMP_INDEXEDA_IMAGE:
      format = gimp_drawable_get_format (layer);

    default:
      g_return_if_reached ();
    }

  if (bpp <= 8)
    {
      GeglBuffer *buffer;
      GeglBuffer *tmp;
      gint32      image;
      gint32      tmp_image;
      gint32      tmp_layer;
      guchar     *buf;
      guchar     *cmap;
      gint        num_colors;

      image = gimp_item_get_image (layer);

      tmp_image = gimp_image_new (w, h, gimp_image_base_type (image));
      gimp_image_undo_disable (tmp_image);

      if (gimp_drawable_is_indexed (layer))
        {
          cmap = gimp_image_get_colormap (image, &num_colors);
          gimp_image_set_colormap (tmp_image, cmap, num_colors);
          g_free (cmap);
        }

      tmp_layer = gimp_layer_new (tmp_image, "temporary", w, h,
                                  gimp_drawable_type (layer),
                                  100, GIMP_NORMAL_MODE);
      gimp_image_insert_layer (tmp_image, tmp_layer, -1, 0);

      buffer = gimp_drawable_get_buffer (layer);
      tmp    = gimp_drawable_get_buffer (tmp_layer);

      buf = g_malloc (w * h * 4);

      gegl_buffer_get (buffer, GEGL_RECTANGLE (0, 0, w, h), 1.0,
                       format, buf,
                       GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);

      gegl_buffer_copy (buffer, NULL, tmp, NULL);

      g_object_unref (tmp);
      g_object_unref (buffer);

      if (gimp_drawable_is_indexed (layer))
        gimp_image_convert_rgb (tmp_image);

      gimp_image_convert_indexed (tmp_image,
                                  GIMP_FS_DITHER, GIMP_MAKE_PALETTE,
                                  1 << bpp, TRUE, FALSE, "dummy");

      cmap = gimp_image_get_colormap (tmp_image, &num_colors);

      if (num_colors == (1 << bpp) &&
          ! ico_cmap_contains_black (cmap, num_colors))
        {
          /* Windows icons with color maps need the color black.
           * We need to eliminate one more color to make room for black.
           */
          if (gimp_drawable_is_indexed (layer))
            {
              g_free (cmap);
              cmap = gimp_image_get_colormap (image, &num_colors);
              gimp_image_set_colormap (tmp_image, cmap, num_colors);
            }
          else if (gimp_drawable_is_gray (layer))
            {
              gimp_image_convert_grayscale (tmp_image);
            }
          else
            {
              gimp_image_convert_rgb (tmp_image);
            }

          tmp = gimp_drawable_get_buffer (tmp_layer);

          gegl_buffer_set (tmp, GEGL_RECTANGLE (0, 0, w, h), 0,
                           format, buf, GEGL_AUTO_ROWSTRIDE);

          g_object_unref (tmp);

          if (!gimp_drawable_is_rgb (layer))
            gimp_image_convert_rgb (tmp_image);

          gimp_image_convert_indexed (tmp_image,
                                      GIMP_FS_DITHER, GIMP_MAKE_PALETTE,
                                      (1 << bpp) - 1, TRUE, FALSE, "dummy");
        }

      g_free (cmap);
      g_free (buf);

      pixbuf = gimp_drawable_get_thumbnail (tmp_layer,
                                            MIN (w, 128), MIN (h, 128),
                                            GIMP_PIXBUF_SMALL_CHECKS);

      gimp_image_delete (tmp_image);
    }
  else if (bpp == 24)
    {
      GeglBuffer *buffer;
      GeglBuffer *tmp;
      gint32      image;
      gint32      tmp_image;
      gint32      tmp_layer;
      GimpParam  *return_vals;
      gint        n_return_vals;

      image = gimp_item_get_image (layer);

      tmp_image = gimp_image_new (w, h, gimp_image_base_type (image));
      gimp_image_undo_disable (tmp_image);

      if (gimp_drawable_is_indexed (layer))
        {
          guchar *cmap;
          gint    num_colors;

          cmap = gimp_image_get_colormap (image, &num_colors);
          gimp_image_set_colormap (tmp_image, cmap, num_colors);
          g_free (cmap);
        }

      tmp_layer = gimp_layer_new (tmp_image, "temporary", w, h,
                                  gimp_drawable_type (layer),
                                  100, GIMP_NORMAL_MODE);
      gimp_image_insert_layer (tmp_image, tmp_layer, -1, 0);

      buffer = gimp_drawable_get_buffer (layer);
      tmp    = gimp_drawable_get_buffer (tmp_layer);

      gegl_buffer_copy (buffer, NULL, tmp, NULL);

      g_object_unref (tmp);
      g_object_unref (buffer);

      if (gimp_drawable_is_indexed (layer))
        gimp_image_convert_rgb (tmp_image);

      return_vals =
        gimp_run_procedure ("plug-in-threshold-alpha", &n_return_vals,
                            GIMP_PDB_INT32, GIMP_RUN_NONINTERACTIVE,
                            GIMP_PDB_IMAGE, tmp_image,
                            GIMP_PDB_DRAWABLE, tmp_layer,
                            GIMP_PDB_INT32, ICO_ALPHA_THRESHOLD,
                            GIMP_PDB_END);
      gimp_destroy_params (return_vals, n_return_vals);

      pixbuf = gimp_drawable_get_thumbnail (tmp_layer,
                                            MIN (w, 128), MIN (h, 128),
                                            GIMP_PIXBUF_SMALL_CHECKS);

      gimp_image_delete (tmp_image);
    }
  else
    {
      pixbuf = gimp_drawable_get_thumbnail (layer,
                                            MIN (w, 128), MIN (h, 128),
                                            GIMP_PIXBUF_SMALL_CHECKS);
    }

  gtk_image_set_from_pixbuf (GTK_IMAGE (preview), pixbuf);
  g_object_unref (pixbuf);
}