aboutsummaryrefslogtreecommitdiffstats
path: root/widgets/text
diff options
context:
space:
mode:
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/text
parentb551414de076b32b638742aa26c0aa175f0e3e7a (diff)
downloadgsoc2013-evolution-891d8bfc6acc170db4bc3f067a99e60e1459726b.tar.gz
gsoc2013-evolution-891d8bfc6acc170db4bc3f067a99e60e1459726b.tar.zst
gsoc2013-evolution-891d8bfc6acc170db4bc3f067a99e60e1459726b.zip
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/text')
-rw-r--r--widgets/text/e-text.c69
1 files changed, 67 insertions, 2 deletions
diff --git a/widgets/text/e-text.c b/widgets/text/e-text.c
index 75332cdd8a..50e75dd8f4 100644
--- a/widgets/text/e-text.c
+++ b/widgets/text/e-text.c
@@ -388,6 +388,53 @@ reset_layout_attrs (EText *text)
calc_height (text);
}
+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 void
create_layout (EText *text)
{
@@ -405,12 +452,30 @@ create_layout (EText *text)
static void
reset_layout (EText *text)
{
+ GnomeCanvasItem *item = GNOME_CANVAS_ITEM (text);
+ cairo_font_options_t *font_options;
+ PangoContext *context;
+
if (text->layout == NULL) {
create_layout (text);
}
else {
- pango_layout_set_text (text->layout, text->text, -1);
- reset_layout_attrs (text);
+ context = pango_layout_get_context (text->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 (text->layout);
+
+ text->font_desc = pango_font_description_new ();
+ pango_font_description_set_size (text->font_desc,
+ pango_font_description_get_size ((GTK_WIDGET (item->canvas))->style->font_desc));
+ pango_font_description_set_family (text->font_desc,
+ pango_font_description_get_family ((GTK_WIDGET (item->canvas))->style->font_desc));
+ pango_layout_set_font_description (text->layout, text->font_desc);
+
+ pango_layout_set_text (text->layout, text->text, -1);
+ reset_layout_attrs (text);
}
if (!text->button_down) {