Trim trailing white spaces.
[geeqie.git] / src / image-overlay.c
index 5e4e91c..9a8b706 100644 (file)
@@ -1,7 +1,7 @@
 /*
  * Geeqie
  * (C) 2006 John Ellis
- * Copyright (C) 2008 - 2009 The Geeqie Team
+ * Copyright (C) 2008 - 2012 The Geeqie Team
  *
  * Author: John Ellis
  *
@@ -37,6 +37,7 @@ typedef struct _OverlayStateData OverlayStateData;
 struct _OverlayStateData {
        ImageWindow *imd;
        ImageState changed_states;
+       NotifyType notify;
 
        Histogram *histogram;
 
@@ -50,15 +51,15 @@ struct _OverlayStateData {
        gint icon_time[IMAGE_OSD_COUNT];
        gint icon_id[IMAGE_OSD_COUNT];
 
-       gint idle_id;
-       gint timer_id;
+       guint idle_id; /* event source id */
+       guint timer_id; /* event source id */
        gulong destroy_id;
 };
 
 
 typedef struct _OSDIcon OSDIcon;
 struct _OSDIcon {
-       gint reset;     /* reset on new image */
+       gboolean reset; /* reset on new image */
        gint x;         /* x, y offset */
        gint y;
        gchar *key;     /* inline pixbuf */
@@ -124,48 +125,85 @@ static void image_set_osd_data(ImageWindow *imd, OverlayStateData *osd)
  */
 
 
-void image_osd_histogram_chan_toggle(ImageWindow *imd)
+void image_osd_histogram_toggle_channel(ImageWindow *imd)
 {
        OverlayStateData *osd = image_get_osd_data(imd);
 
        if (!osd || !osd->histogram) return;
 
-       histogram_set_channel(osd->histogram, (histogram_get_channel(osd->histogram) +1)%HCHAN_COUNT);
+       histogram_toggle_channel(osd->histogram);
        image_osd_update(imd);
 }
 
-void image_osd_histogram_log_toggle(ImageWindow *imd)
+void image_osd_histogram_toggle_mode(ImageWindow *imd)
 {
        OverlayStateData *osd = image_get_osd_data(imd);
 
        if (!osd || !osd->histogram) return;
 
-       histogram_set_mode(osd->histogram, !histogram_get_mode(osd->histogram));
+       histogram_toggle_mode(osd->histogram);
        image_osd_update(imd);
 }
 
+void image_osd_histogram_set_channel(ImageWindow *imd, gint chan)
+{
+       OverlayStateData *osd = image_get_osd_data(imd);
+
+       if (!osd || !osd->histogram) return;
+
+       histogram_set_channel(osd->histogram, chan);
+       image_osd_update(imd);
+}
+
+void image_osd_histogram_set_mode(ImageWindow *imd, gint mode)
+{
+       OverlayStateData *osd = image_get_osd_data(imd);
+
+       if (!osd || !osd->histogram) return;
+
+       histogram_set_mode(osd->histogram, mode);
+       image_osd_update(imd);
+}
+
+gint image_osd_histogram_get_channel(ImageWindow *imd)
+{
+       OverlayStateData *osd = image_get_osd_data(imd);
+
+       if (!osd || !osd->histogram) return HCHAN_DEFAULT;
+
+       return histogram_get_channel(osd->histogram);
+}
+
+gint image_osd_histogram_get_mode(ImageWindow *imd)
+{
+       OverlayStateData *osd = image_get_osd_data(imd);
+
+       if (!osd || !osd->histogram) return 0;
+
+       return histogram_get_mode(osd->histogram);
+}
+
 void image_osd_toggle(ImageWindow *imd)
 {
-       OverlayStateData *osd;
+       OsdShowFlags show;
 
        if (!imd) return;
 
-       osd = image_get_osd_data(imd);
-       if (!osd)
+       show = image_osd_get(imd);
+       if (show == OSD_SHOW_NOTHING)
                {
                image_osd_set(imd, OSD_SHOW_INFO | OSD_SHOW_STATUS);
                return;
                }
-
-       if (osd->show != OSD_SHOW_NOTHING)
+       else
                {
-               if (osd->show & OSD_SHOW_HISTOGRAM)
+               if (show & OSD_SHOW_HISTOGRAM)
                        {
                        image_osd_set(imd, OSD_SHOW_NOTHING);
                        }
                else
                        {
-                       image_osd_set(imd, osd->show | OSD_SHOW_HISTOGRAM);
+                       image_osd_set(imd, show | OSD_SHOW_HISTOGRAM);
                        }
                }
 }
@@ -283,7 +321,6 @@ static gchar *image_osd_mkinfo(const gchar *str, ImageWindow *imd, GHashTable *v
                else
                        {
                        data = g_strdup(g_hash_table_lookup(vars, name));
-                       if (data && strcmp(name, "zoom") == 0) imd->overlay_show_zoom = TRUE;
                        if (!data)
                                data = metadata_read_string(imd->image_fd, name, METADATA_FORMATTED);
                        }
@@ -440,9 +477,8 @@ static GdkPixbuf *image_osd_info_render(OverlayStateData *osd)
        PangoLayout *layout;
        const gchar *name;
        gchar *text;
-       GdkPixbuf *imgpixbuf = NULL;
        gboolean with_hist;
-       const HistMap *histmap;
+       const HistMap *histmap = NULL;
        ImageWindow *imd = osd->imd;
        FileData *fd = image_get_fd(imd);
 
@@ -526,12 +562,10 @@ static GdkPixbuf *image_osd_info_render(OverlayStateData *osd)
                                {
                                w = gdk_pixbuf_get_width(load_pixbuf);
                                h = gdk_pixbuf_get_height(load_pixbuf);
-                               imgpixbuf = load_pixbuf;
                                }
                        else
                                {
                                image_get_image_size(imd, &w, &h);
-                               imgpixbuf = (PIXBUF_RENDERER(imd->pr))->pixbuf;
                                }
                
                        
@@ -546,7 +580,7 @@ static GdkPixbuf *image_osd_info_render(OverlayStateData *osd)
                        osd_template_insert(vars, "res", NULL, OSDT_NONE);
                        }
 
-               text = image_osd_mkinfo(options->image_overlay.common.template_string, imd, vars);
+               text = image_osd_mkinfo(options->image_overlay.template_string, imd, vars);
                g_hash_table_destroy(vars);
 
        } else {
@@ -558,7 +592,11 @@ static GdkPixbuf *image_osd_info_render(OverlayStateData *osd)
        if (with_hist)
                {
                histmap = histmap_get(imd->image_fd);
-               if (!histmap) with_hist = FALSE;
+               if (!histmap)
+                       {
+                       histmap_start_idle(imd->image_fd);
+                       with_hist = FALSE;
+                       }
                }
        
        
@@ -640,21 +678,8 @@ static GdkPixbuf *image_osd_info_render(OverlayStateData *osd)
                        gint x = 5;
                        gint y = height - HISTOGRAM_HEIGHT - 5;
                        gint w = width - 10;
-                       float xoffset = 0;
-                       gint subdiv = 5;
-                       gint c = 160;
-                       gint alpha = 250;
-                       gint i;
-                       float add = w / (float)subdiv;
-
-                       for (i = 0; i < subdiv; i++)
-                               {
-                               gint d = (i > 0 ? 0 : 1);
 
-                               pixbuf_set_rect(pixbuf, x + xoffset + 0.5, y, add + d + 0.5, HISTOGRAM_HEIGHT, c, c, c, alpha, d, 1, 1, 1);
-                               xoffset += add+d;
-                               }
-                                               
+                       pixbuf_set_rect_fill(pixbuf, x, y, w, HISTOGRAM_HEIGHT, 220, 220, 220, 210);
                        histogram_draw(osd->histogram, histmap, pixbuf, x, y, w, HISTOGRAM_HEIGHT);
                        }
                pixbuf_draw_layout(pixbuf, layout, imd->pr, 5, 5, 0, 0, 0, 255);
@@ -737,13 +762,6 @@ static void image_overlay_set(ImageWindow *imd, gint id, GdkPixbuf *pixbuf, gint
        pixbuf_renderer_overlay_set((PixbufRenderer *)imd->pr, id, pixbuf, x, y);
 }
 
-#if 0 /* unused for now */
-static gint image_overlay_get(ImageWindow *imd, gint id, GdkPixbuf **pixbuf, gint *x, gint *y)
-{
-       return pixbuf_renderer_overlay_get((PixbufRenderer *)imd->pr, id, pixbuf, x, y);
-}
-#endif
-
 static void image_overlay_remove(ImageWindow *imd, gint id)
 {
        pixbuf_renderer_overlay_remove((PixbufRenderer *)imd->pr, id);
@@ -832,18 +850,17 @@ static void image_osd_info_hide(OverlayStateData *osd)
        osd->ovl_info = 0;
 }
 
-static gint image_osd_update_cb(gpointer data)
+static gboolean image_osd_update_cb(gpointer data)
 {
        OverlayStateData *osd = data;
 
-       osd->imd->overlay_show_zoom = FALSE;
-
        if (osd->show & OSD_SHOW_INFO)
                {
-               /* redraw when the image was changed, 
+               /* redraw when the image was changed,
                   with histogram we have to redraw also when loading is finished */
                if (osd->changed_states & IMAGE_STATE_IMAGE ||
-                   (osd->changed_states & IMAGE_STATE_LOADING && osd->show & OSD_SHOW_HISTOGRAM)) 
+                   (osd->changed_states & IMAGE_STATE_LOADING && osd->show & OSD_SHOW_HISTOGRAM) ||
+                   osd->notify & NOTIFY_HISTMAP)
                        {
                        GdkPixbuf *pixbuf;
 
@@ -896,17 +913,17 @@ static gint image_osd_update_cb(gpointer data)
                image_osd_icons_hide(osd);
                }
 
-       if (osd->imd->il && image_loader_get_is_done(osd->imd->il))
-               osd->changed_states = IMAGE_STATE_NONE;
-       osd->idle_id = -1;
+       osd->changed_states = IMAGE_STATE_NONE;
+       osd->notify = 0;
+       osd->idle_id = 0;
        return FALSE;
 }
 
-static void image_osd_update_schedule(OverlayStateData *osd, gint force)
+static void image_osd_update_schedule(OverlayStateData *osd, gboolean force)
 {
        if (force) osd->changed_states |= IMAGE_STATE_IMAGE;
 
-       if (osd->idle_id == -1)
+       if (!osd->idle_id)
                {
                osd->idle_id = g_idle_add_full(G_PRIORITY_HIGH, image_osd_update_cb, osd, NULL);
                }
@@ -921,11 +938,11 @@ void image_osd_update(ImageWindow *imd)
        image_osd_update_schedule(osd, TRUE);
 }
 
-static gint image_osd_timer_cb(gpointer data)
+static gboolean image_osd_timer_cb(gpointer data)
 {
        OverlayStateData *osd = data;
-       gint done = TRUE;
-       gint changed = FALSE;
+       gboolean done = TRUE;
+       gboolean changed = FALSE;
        gint i;
 
        for (i = 0; i < IMAGE_OSD_COUNT; i++)
@@ -949,7 +966,7 @@ static gint image_osd_timer_cb(gpointer data)
 
        if (done)
                {
-               osd->timer_id = -1;
+               osd->timer_id = 0;
                return FALSE;
                }
 
@@ -958,7 +975,7 @@ static gint image_osd_timer_cb(gpointer data)
 
 static void image_osd_timer_schedule(OverlayStateData *osd)
 {
-       if (osd->timer_id == -1)
+       if (!osd->timer_id)
                {
                osd->timer_id = g_timeout_add(100, image_osd_timer_cb, osd);
                }
@@ -972,12 +989,27 @@ static void image_osd_state_cb(ImageWindow *imd, ImageState state, gpointer data
        image_osd_update_schedule(osd, FALSE);
 }
 
+static void image_osd_notify_cb(FileData *fd, NotifyType type, gpointer data)
+{
+       OverlayStateData *osd = data;
+
+       if ((type & (NOTIFY_HISTMAP)) && osd->imd && fd == osd->imd->image_fd)
+               {
+               DEBUG_1("Notify osd: %s %04x", fd->path, type);
+               osd->notify |= type;
+               image_osd_update_schedule(osd, FALSE);
+               }
+}
+
+
 static void image_osd_free(OverlayStateData *osd)
 {
        if (!osd) return;
 
-       if (osd->idle_id != -1) g_source_remove(osd->idle_id);
-       if (osd->timer_id != -1) g_source_remove(osd->timer_id);
+       if (osd->idle_id) g_source_remove(osd->idle_id);
+       if (osd->timer_id) g_source_remove(osd->timer_id);
+
+       file_data_unregister_notify_func(image_osd_notify_cb, osd);
 
        if (osd->imd)
                {
@@ -995,13 +1027,6 @@ static void image_osd_free(OverlayStateData *osd)
        g_free(osd);
 }
 
-static void image_osd_remove(ImageWindow *imd)
-{
-       OverlayStateData *osd = image_get_osd_data(imd);
-
-       if (osd) image_osd_free(osd);
-}
-
 static void image_osd_destroy_cb(GtkWidget *widget, gpointer data)
 {
        OverlayStateData *osd = data;
@@ -1018,26 +1043,18 @@ static void image_osd_enable(ImageWindow *imd, OsdShowFlags show)
                {
                osd = g_new0(OverlayStateData, 1);
                osd->imd = imd;
-               osd->idle_id = -1;
-               osd->timer_id = -1;
                osd->show = OSD_SHOW_NOTHING;
-               osd->histogram = NULL;
-               osd->x = options->image_overlay.common.x;
-               osd->y = options->image_overlay.common.y;
+               osd->x = options->image_overlay.x;
+               osd->y = options->image_overlay.y;
                
+               osd->histogram = histogram_new();
+
                osd->destroy_id = g_signal_connect(G_OBJECT(imd->pr), "destroy",
                                                   G_CALLBACK(image_osd_destroy_cb), osd);
                image_set_osd_data(imd, osd);
 
                image_set_state_func(osd->imd, image_osd_state_cb, osd);
-               }
-
-       if (show & OSD_SHOW_HISTOGRAM)
-               osd->histogram = histogram_new();
-       else if (osd->histogram)
-               {
-               histogram_free(osd->histogram);
-               osd->histogram = NULL;
+               file_data_register_notify_func(image_osd_notify_cb, osd, NOTIFY_PRIORITY_LOW);
                }
 
        if (show & OSD_SHOW_STATUS)
@@ -1053,12 +1070,6 @@ void image_osd_set(ImageWindow *imd, OsdShowFlags show)
 {
        if (!imd) return;
 
-       if (show == OSD_SHOW_NOTHING)
-               {
-               image_osd_remove(imd);
-               return;
-               }
-
        image_osd_enable(imd, show);
 }
 
@@ -1069,6 +1080,26 @@ OsdShowFlags image_osd_get(ImageWindow *imd)
        return osd ? osd->show : OSD_SHOW_NOTHING;
 }
 
+Histogram *image_osd_get_histogram(ImageWindow *imd)
+{
+       OverlayStateData *osd = image_get_osd_data(imd);
+
+       return osd ? osd->histogram : NULL;
+}
+
+void image_osd_copy_status(ImageWindow *src, ImageWindow *dest)
+{
+       Histogram *h_src, *h_dest;
+       image_osd_set(dest, image_osd_get(src));
+       
+       h_src = image_osd_get_histogram(src);
+       h_dest = image_osd_get_histogram(dest);
+       
+       h_dest->histogram_mode = h_src->histogram_mode;
+       h_dest->histogram_channel = h_src->histogram_channel;
+       
+}
+
 /* duration:
     0 = hide
     1 = show