Attachment 89542 Details for Bug 51487 – glib-demo: Add support for PopplerTextAnnotMarkup

[patch] glib-demo: Add support for PopplerTextAnnotMarkup

0002-glib-demo:-Add-support-for-PopplerTextAnnotMarkup.patch (text/plain), 8.31 KB, created by Germán Poo-Caamaño on 2013-11-20 18:56:01 UTC

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Creator: Germán Poo-Caamaño

Created: 2013-11-20 18:56:01 UTC

Size: 8.31 KB

patch

obsolete

>From 994f408b9644af63321421d8afae835c66b4e26c Mon Sep 17 00:00:00 2001
>From: =?UTF-8?q?Germ=C3=A1n=20Poo-Caama=C3=B1o?= <gpoo@gnome.org>
>Date: Wed, 20 Nov 2013 10:52:42 -0800
>Subject: [PATCH] glib-demo: Add support for PopplerTextAnnotMarkup
>
>* The subtypes are: Highlihght, Squiggly, StrikeOut and Underline.
>* Use ScrolledWindow for annotation properties to make room to
>  show the Quadrilaterals of TextMarkup annotations.
>
>https://bugs.freedesktop.org/show_bug.cgi?id=51487
>---
> glib/demo/annots.c |  151 ++++++++++++++++++++++++++++++++++++++++++++--------
> 1 file changed, 129 insertions(+), 22 deletions(-)
>
>diff --git a/glib/demo/annots.c b/glib/demo/annots.c
>index 3d3b1c9..d9c3887 100644
>--- a/glib/demo/annots.c
>+++ b/glib/demo/annots.c
>@@ -38,6 +38,23 @@ enum {
>     SELECTED_N_COLUMNS
> };
> 
>+typedef struct
>+{
>+  const guint  type;
>+  const gchar *label;
>+} Annotations;
>+
>+static Annotations supported_annots[] = {
>+    { POPPLER_ANNOT_TEXT,       "Text" },
>+    { POPPLER_ANNOT_LINE,       "Line" },
>+    { POPPLER_ANNOT_SQUARE,     "Square" },
>+    { POPPLER_ANNOT_CIRCLE,     "Circle" },
>+    { POPPLER_ANNOT_HIGHLIGHT,  "Highlight" },
>+    { POPPLER_ANNOT_UNDERLINE,  "Underline" },
>+    { POPPLER_ANNOT_SQUIGGLY,   "Squiggly" },
>+    { POPPLER_ANNOT_STRIKE_OUT, "Strike Out" },
>+};
>+
> typedef enum {
>     MODE_NORMAL,  /* Regular use as pointer in the page */
>     MODE_ADD,     /* To add simple annotations */
>@@ -449,6 +466,42 @@ pgd_annot_color_changed (GtkButton     *button,
> }
> 
> static void
>+pgd_annot_view_set_annot_text_markup (GtkWidget              *table,
>+                                      PopplerAnnotTextMarkup *annot,
>+                                      gint                   *row)
>+{
>+    gint                  i;
>+    gchar                *text = NULL;
>+    gchar                *prev_text = NULL;
>+    GArray               *quads_array = NULL;
>+    PopplerQuadrilateral  quadrilateral;
>+
>+    quads_array = poppler_annot_text_markup_get_quadrilaterals (annot);
>+
>+    prev_text = g_strdup ("");
>+    for (i = 0; i < quads_array->len; i++) {
>+        quadrilateral = g_array_index (quads_array, PopplerQuadrilateral, i);
>+
>+        text = g_strdup_printf ("%s%2d:(%.2f,%.2f) (%.2f,%.2f)\n"
>+                                "    (%.2f,%.2f) (%.2f,%.2f)\n",
>+                                prev_text, i+1,
>+                                quadrilateral.p1.x, quadrilateral.p1.y,
>+                                quadrilateral.p2.x, quadrilateral.p2.y,
>+                                quadrilateral.p3.x, quadrilateral.p3.y,
>+                                quadrilateral.p4.x, quadrilateral.p4.y);
>+        g_free (prev_text);
>+        prev_text = text;
>+    }
>+
>+    text = g_strchomp (text);
>+    pgd_table_add_property (GTK_GRID (table), "<b>Quadrilaterals:</b>", text, row);
>+
>+    g_array_free (quads_array, TRUE);
>+    g_free (text);
>+}
>+
>+
>+static void
> pgd_annot_view_set_annot_free_text (GtkWidget            *table,
>                                     PopplerAnnotFreeText *annot,
>                                     gint                 *row)
>@@ -619,6 +672,12 @@ pgd_annot_view_set_annot (PgdAnnotsDemo *demo,
>         case POPPLER_ANNOT_TEXT:
>           pgd_annot_view_set_annot_text (table, POPPLER_ANNOT_TEXT (annot), &row);
>           break;
>+        case POPPLER_ANNOT_HIGHLIGHT:
>+        case POPPLER_ANNOT_UNDERLINE:
>+        case POPPLER_ANNOT_SQUIGGLY:
>+        case POPPLER_ANNOT_STRIKE_OUT:
>+          pgd_annot_view_set_annot_text_markup (table, POPPLER_ANNOT_TEXT_MARKUP (annot), &row);
>+          break;
>         case POPPLER_ANNOT_FREE_TEXT:
>           pgd_annot_view_set_annot_free_text (table, POPPLER_ANNOT_FREE_TEXT (annot), &row);
>           break;
>@@ -859,6 +918,18 @@ pgd_annots_add_annot (PgdAnnotsDemo *demo)
>             annot = poppler_annot_circle_new (demo->doc, &rect);
>             poppler_annot_set_border_width (annot, 1.5);
>             break;
>+        case POPPLER_ANNOT_HIGHLIGHT:
>+            annot = poppler_annot_text_markup_new_highlight (demo->doc, &rect);
>+            break;
>+        case POPPLER_ANNOT_UNDERLINE:
>+            annot = poppler_annot_text_markup_new_underline (demo->doc, &rect);
>+            break;
>+        case POPPLER_ANNOT_SQUIGGLY:
>+            annot = poppler_annot_text_markup_new_squiggly (demo->doc, &rect);
>+            break;
>+        case POPPLER_ANNOT_STRIKE_OUT:
>+            annot = poppler_annot_text_markup_new_strikeout (demo->doc, &rect);
>+            break;
>         default:
>             g_assert_not_reached ();
>     }
>@@ -884,6 +955,54 @@ pgd_annots_finish_add_annot (PgdAnnotsDemo *demo)
>     gtk_label_set_text (GTK_LABEL (demo->timer_label), NULL);
> }
> 
>+static void
>+pgd_annots_update_selected_text (PgdAnnotsDemo *demo)
>+{
>+    PopplerRectangle      doc_area, *rect;
>+    gdouble               width, height;
>+    PopplerQuadrilateral  quadrilateral;
>+    GList                *list, *region;
>+    GArray               *quads_array = NULL;
>+
>+    poppler_page_get_size (demo->page, &width, &height);
>+
>+    doc_area.x1 = demo->start.x;
>+    doc_area.y1 = demo->start.y;
>+    doc_area.x2 = demo->stop.x;
>+    doc_area.y2 = demo->stop.y;
>+
>+    region = poppler_page_get_selection_region (demo->page, 1.0,
>+                                                POPPLER_SELECTION_GLYPH,
>+                                                &doc_area);
>+
>+    if (region == NULL)
>+        return;
>+
>+    quads_array = g_array_sized_new (FALSE, FALSE,
>+                                     sizeof (PopplerQuadrilateral),
>+                                     g_list_length (region));
>+
>+    for (list = region; list; list = list->next) {
>+        rect = (PopplerRectangle *) list->data;
>+
>+        quadrilateral.p1.x = rect->x1;
>+        quadrilateral.p1.y = height - rect->y1;
>+        quadrilateral.p2.x = rect->x2;
>+        quadrilateral.p2.y = height - rect->y1;
>+        quadrilateral.p3.x = rect->x1;
>+        quadrilateral.p3.y = height - rect->y2;
>+        quadrilateral.p4.x = rect->x2;
>+        quadrilateral.p4.y = height - rect->y2;
>+
>+        g_array_append_val (quads_array, quadrilateral);
>+    }
>+
>+    poppler_page_selection_region_free (region);
>+
>+    poppler_annot_text_markup_set_quadrilaterals (POPPLER_ANNOT_TEXT_MARKUP (demo->active_annot), quads_array);
>+    g_array_free (quads_array, TRUE);
>+}
>+
> /* Render area */
> static cairo_surface_t *
> pgd_annots_render_page (PgdAnnotsDemo *demo)
>@@ -1023,6 +1142,9 @@ pgd_annots_drawing_area_motion_notify (GtkWidget      *area,
>         poppler_annot_line_set_vertices (POPPLER_ANNOT_LINE (demo->active_annot),
>                                          &start, &end);
> 
>+    if (POPPLER_IS_ANNOT_TEXT_MARKUP (demo->active_annot))
>+        pgd_annots_update_selected_text (demo);
>+
>     pgd_annot_view_set_annot (demo, demo->active_annot);
>     pgd_annots_viewer_queue_redraw (demo);
> 
>@@ -1110,29 +1232,14 @@ pgd_annots_create_widget (PopplerDocument *document)
> 
>     model = gtk_list_store_new(SELECTED_N_COLUMNS,
>                                G_TYPE_INT, G_TYPE_STRING);
>-    gtk_list_store_append (model, &iter);
>-    gtk_list_store_set (model, &iter,
>-                        SELECTED_TYPE_COLUMN, POPPLER_ANNOT_TEXT,
>-                        SELECTED_LABEL_COLUMN, "Text",
>-                        -1);
>-
>-    gtk_list_store_append (model, &iter);
>-    gtk_list_store_set (model, &iter,
>-                        SELECTED_TYPE_COLUMN, POPPLER_ANNOT_LINE,
>-                        SELECTED_LABEL_COLUMN, "Line",
>-                        -1);
>-
>-    gtk_list_store_append (model, &iter);
>-    gtk_list_store_set (model, &iter,
>-                        SELECTED_TYPE_COLUMN, POPPLER_ANNOT_SQUARE,
>-                        SELECTED_LABEL_COLUMN, "Square",
>-                        -1);
> 
>-    gtk_list_store_append (model, &iter);
>-    gtk_list_store_set (model, &iter,
>-                        SELECTED_TYPE_COLUMN, POPPLER_ANNOT_CIRCLE,
>-                        SELECTED_LABEL_COLUMN, "Circle",
>-                        -1);
>+    for (gint i = 0; i < G_N_ELEMENTS (supported_annots); i++) {
>+        gtk_list_store_append (model, &iter);
>+        gtk_list_store_set (model, &iter,
>+                            SELECTED_TYPE_COLUMN, supported_annots[i].type,
>+                            SELECTED_LABEL_COLUMN, supported_annots[i].label,
>+                            -1);
>+    }
> 
>     demo->type_selector = gtk_combo_box_new_with_model (GTK_TREE_MODEL (model));
>     g_object_unref (model);
>-- 
>1.7.9.5
>

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