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authorRajeev ramanathan <rajeevramanathan_2004@yahoo.co.in>2006-07-10 22:02:36 +0800
committerHarish Krishnaswamy <kharish@src.gnome.org>2006-07-10 22:02:36 +0800
commit891d8bfc6acc170db4bc3f067a99e60e1459726b (patch)
tree236538f61eab14ed38c2de5a18d37426d62ae070 /widgets/table/e-cell-text.c
parentb551414de076b32b638742aa26c0aa175f0e3e7a (diff)
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Added code for Resize Transparency with Cairo drawing. Added code to
2006-07-10 Rajeev ramanathan <rajeevramanathan_2004@yahoo.co.in> Added code for Resize Transparency with Cairo drawing. Added code to render ECell and EText text items with antialiasing, hinting and sub-pixel ordering with cairo. svn path=/trunk/; revision=32270
Diffstat (limited to 'widgets/table/e-cell-text.c')
-rw-r--r--widgets/table/e-cell-text.c60
1 files changed, 58 insertions, 2 deletions
diff --git a/widgets/table/e-cell-text.c b/widgets/table/e-cell-text.c
index 7ea8a54c98..a1b56a674c 100644
--- a/widgets/table/e-cell-text.c
+++ b/widgets/table/e-cell-text.c
@@ -142,7 +142,6 @@ typedef struct {
int xofs, yofs; /* This gets added to the x
and y for the cell text. */
double ellipsis_width[2]; /* The width of the ellipsis. */
-
} ECellTextView;
struct _CellEdit {
@@ -439,6 +438,7 @@ ect_unrealize (ECellView *ecv)
if (parent_class->unrealize)
(* parent_class->unrealize) (ecv);
+
}
static void
@@ -504,6 +504,53 @@ build_attr_list (ECellTextView *text_view, int row, int text_length)
return attrs;
}
+static cairo_font_options_t *
+get_font_options ()
+{
+ char *antialiasing, *hinting, *subpixel_order;
+ cairo_font_options_t *font_options = cairo_font_options_create ();
+
+ /* Antialiasing */
+ antialiasing = gconf_client_get_string (gconf_client_get_default (),
+ "/desktop/gnome/font_rendering/antialiasing", NULL);
+ if (strcmp (antialiasing, "grayscale") == 0)
+ cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_GRAY);
+ else if (strcmp (antialiasing, "rgba") == 0)
+ cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_SUBPIXEL);
+ else if (strcmp (antialiasing, "none") == 0)
+ cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_NONE);
+ else
+ cairo_font_options_set_antialias (font_options, CAIRO_ANTIALIAS_DEFAULT);
+
+ hinting = gconf_client_get_string (gconf_client_get_default (),
+ "/desktop/gnome/font_rendering/hinting", NULL);
+ if (strcmp (hinting, "full") == 0)
+ cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_FULL);
+ else if (strcmp (hinting, "medium") == 0)
+ cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_MEDIUM);
+ else if (strcmp (hinting, "slight") == 0)
+ cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_SLIGHT);
+ else if (strcmp (hinting, "none") == 0)
+ cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_NONE);
+ else
+ cairo_font_options_set_hint_style (font_options, CAIRO_HINT_STYLE_DEFAULT);
+
+ subpixel_order = gconf_client_get_string (gconf_client_get_default (),
+ "/desktop/gnome/font_rendering/rgba_order", NULL);
+ if (strcmp (subpixel_order, "rgb") == 0)
+ cairo_font_options_set_subpixel_order (font_options, CAIRO_SUBPIXEL_ORDER_RGB);
+ else if (strcmp (subpixel_order, "bgr") == 0)
+ cairo_font_options_set_subpixel_order (font_options, CAIRO_SUBPIXEL_ORDER_BGR);
+ else if (strcmp (subpixel_order, "vrgb") == 0)
+ cairo_font_options_set_subpixel_order (font_options, CAIRO_SUBPIXEL_ORDER_VRGB);
+ else if (strcmp (subpixel_order, "vbgr") == 0)
+ cairo_font_options_set_subpixel_order (font_options, CAIRO_SUBPIXEL_ORDER_VBGR);
+ else
+ cairo_font_options_set_subpixel_order (font_options, CAIRO_SUBPIXEL_ORDER_DEFAULT);
+
+ return font_options;
+}
+
static PangoLayout *
layout_with_preedit (ECellTextView *text_view, int row, const char *text, gint width)
{
@@ -570,6 +617,8 @@ build_layout (ECellTextView *text_view, int row, const char *text, gint width)
ECellText *ect = E_CELL_TEXT (ecell_view->ecell);
PangoAttrList *attrs ;
PangoLayout *layout;
+ PangoContext *context;
+ cairo_font_options_t *font_options;
layout = gtk_widget_create_pango_layout (GTK_WIDGET (((GnomeCanvasItem *)ecell_view->e_table_item_view)->canvas), text);
@@ -581,6 +630,13 @@ build_layout (ECellTextView *text_view, int row, const char *text, gint width)
if (text_view->edit || width <= 0)
return layout;
+ context = pango_layout_get_context (layout);
+
+ font_options = get_font_options();
+ pango_cairo_context_set_font_options (context, font_options);
+ cairo_font_options_destroy (font_options);
+ pango_layout_context_changed (layout);
+
if (ect->font_name)
{
PangoFontDescription *desc = NULL, *fixed_desc = NULL;
@@ -632,7 +688,7 @@ build_layout (ECellTextView *text_view, int row, const char *text, gint width)
default:
break;
}
-
+
return layout;
}