From d6b2677825cbb423e2099563c16321c3e23d7899 Mon Sep 17 00:00:00 2001 From: Alessandro Ghedini Date: Sun, 20 Nov 2011 15:50:38 +0100 Subject: Imported Upstream version 0.3.1 --- src/utilities/renderedText.vala | 110 ---------------------------------------- 1 file changed, 110 deletions(-) delete mode 100644 src/utilities/renderedText.vala (limited to 'src/utilities/renderedText.vala') diff --git a/src/utilities/renderedText.vala b/src/utilities/renderedText.vala deleted file mode 100644 index 924742a..0000000 --- a/src/utilities/renderedText.vala +++ /dev/null @@ -1,110 +0,0 @@ -/* -Copyright (c) 2011 by Simon Schneegans - -This program is free software: you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the Free -Software Foundation, either version 3 of the License, or (at your option) -any later version. - -This program is distributed in the hope that it will be useful, but WITHOUT -ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for -more details. - -You should have received a copy of the GNU General Public License along with -this program. If not, see . -*/ - -namespace GnomePie { - -///////////////////////////////////////////////////////////////////////// -/// A class representing string, rendered on an Image. -///////////////////////////////////////////////////////////////////////// - -public class RenderedText : Image { - - ///////////////////////////////////////////////////////////////////// - /// A cache which stores images. It is cleared when the theme of - /// Gnome-Pie changes. - /// The key is in form @x:. - ///////////////////////////////////////////////////////////////////// - - private static Gee.HashMap cache { private get; private set; } - - ///////////////////////////////////////////////////////////////////// - /// Initializes the cache. - ///////////////////////////////////////////////////////////////////// - - public static void init() { - clear_cache(); - - Config.global.notify["theme"].connect(() => { - clear_cache(); - }); - } - - ///////////////////////////////////////////////////////////////////// - /// Clears the cache. - ///////////////////////////////////////////////////////////////////// - - static void clear_cache() { - cache = new Gee.HashMap(); - } - - ///////////////////////////////////////////////////////////////////// - /// C'tor, creates a new image representation of a string. - ///////////////////////////////////////////////////////////////////// - - public RenderedText(string text, int width, int height, string font) { - var cached = this.cache.get("%s@%ux%u:%s".printf(text, width, height, font)); - - if (cached == null) { - this.render_text(text, width, height, font); - this.cache.set("%s@%ux%u:%s".printf(text, width, height, font), this.surface); - } else { - this.surface = cached; - } - } - - ///////////////////////////////////////////////////////////////////// - /// Creates a new transparent image, with text written onto. - ///////////////////////////////////////////////////////////////////// - - public void render_text(string text, int width, int height, string font) { - this.surface = new Cairo.ImageSurface(Cairo.Format.ARGB32, width, height); - - var ctx = this.context(); - - // set the color as specified in the current theme - Color color = Config.global.theme.caption_color; - ctx.set_source_rgb(color.r, color.g, color.g); - - var layout = Pango.cairo_create_layout(ctx); - layout.set_width(Pango.units_from_double(width)); - - var font_description = Pango.FontDescription.from_string(font); - font_description.set_size((int)(font_description.get_size() * Config.global.global_scale)); - - layout.set_font_description(font_description); - layout.set_text(text, -1); - - // add newlines at the end of each line, in order to allow ellipsizing - string broken_string = ""; - foreach (var line in layout.get_lines()) { - broken_string = broken_string.concat(text.substring(line.start_index, line.length), "\n"); - } - layout.set_text(broken_string, broken_string.length-1); - - layout.set_ellipsize(Pango.EllipsizeMode.END); - layout.set_alignment(Pango.Alignment.CENTER); - - Pango.Rectangle extents; - layout.get_pixel_extents(null, out extents); - ctx.move_to(0, (int)(0.5*(height - extents.height))); - - Pango.cairo_update_layout(ctx, layout); - Pango.cairo_show_layout(ctx, layout); - } -} - -} -- cgit v1.2.3