diff options
Diffstat (limited to 'sugar/graphics/icon.py')
| -rw-r--r-- | sugar/graphics/icon.py | 80 |
1 files changed, 68 insertions, 12 deletions
diff --git a/sugar/graphics/icon.py b/sugar/graphics/icon.py index 81c28da..acb70e7 100644 --- a/sugar/graphics/icon.py +++ b/sugar/graphics/icon.py @@ -31,6 +31,8 @@ from sugar.graphics.xocolor import XoColor from sugar.graphics import style from sugar.graphics.palette import Palette, CanvasInvoker +_BADGE_SIZE = 0.45 + _svg_loader = None def _get_svg_loader(): @@ -62,6 +64,7 @@ class _IconBuffer(gobject.GObject): self.file_name = None self.fill_color = None self.stroke_color = None + self.badge_name = None self.width = None self.height = None @@ -82,6 +85,12 @@ class _IconBuffer(gobject.GObject): file_name, self.width, self.height) return hippo.cairo_surface_from_gdk_pixbuf(pixbuf) + def _get_icon_size_request(self): + if self.width != None: + return self.width + else: + return 50 + def _get_file_name(self): file_name = None @@ -90,17 +99,53 @@ class _IconBuffer(gobject.GObject): if self.icon_name: theme = gtk.icon_theme_get_default() - - size = 0 - if self.width != None: - size = self.width - - info = theme.lookup_icon(self.icon_name, size, 0) + size_request = self._get_icon_size_request() + info = theme.lookup_icon(self.icon_name, size_request, 0) if info: return info.get_filename() return None + def _render_badge(self, surface): + context = cairo.Context(surface) + theme = gtk.icon_theme_get_default() + + size_request = self._get_icon_size_request() + icon_info = theme.lookup_icon(self.icon_name, size_request, 0) + if not icon_info or not icon_info.get_attach_points(): + logging.info( + 'Badge attach points not found, icon %s.' % self.icon_name) + return + + attach_points = icon_info.get_attach_points() + attach_x = float(attach_points[0][0]) / size_request + attach_y = float(attach_points[0][1]) / size_request + + badge_size = int(_BADGE_SIZE * surface.get_width()) + badge_x = attach_x * surface.get_width() - badge_size / 2 + badge_y = attach_y * surface.get_height() - badge_size / 2 + + badge_info = theme.lookup_icon(self.badge_name, badge_size, 0) + if not badge_info: + logging.info('Badge not found, %s.' % self.badge_name) + return + + badge_file_name = badge_info.get_filename() + if badge_file_name.endswith('.svg'): + handle = self._svg_loader.load(badge_file_name, {}) + + context.translate(badge_x, badge_y) + scale = float(badge_size) / float(badge_info.get_base_size()) + context.scale(scale, scale) + + handle.render_cairo(context) + else: + buf = gtk.gdk.pixbuf_new_from_file_at_size( + badge_file_name, badge_size, badge_size) + surface = hippo.cairo_surface_from_gdk_pixbuf(buf) + context.set_source_surface(badge_buf, badge_x, badge_y) + context.paint() + def get_surface(self): if self._surface is not None: return self._surface @@ -123,17 +168,22 @@ class _IconBuffer(gobject.GObject): target_width = icon_width target_height = icon_height - self._surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, - target_width, target_height) + surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, + target_width, target_height) - context = cairo.Context(self._surface) + context = cairo.Context(surface) context.scale(float(target_width) / float(icon_width), float(target_height) / float(icon_height)) handle.render_cairo(context) else: - self._surface = self._load_pixbuf(file_name) + surface = self._load_pixbuf(file_name) + + if self.badge_name: + self._render_badge(surface) + + self._surface = surface - return self._surface + return surface def invalidate(self): self._surface = None @@ -147,6 +197,8 @@ class Icon(gtk.Image): 'fill-color' : (object, None, None, gobject.PARAM_READWRITE), 'stroke-color' : (object, None, None, + gobject.PARAM_READWRITE), + 'badge-name' : (str, None, None, None, gobject.PARAM_READWRITE) } @@ -213,6 +265,9 @@ class Icon(gtk.Image): elif pspec.name == 'stroke-color': self._buffer.fill_color = value self._buffer.invalidate() + elif pspec.name == 'badge-name': + self._buffer.badge_name = value + self._buffer.invalidate() else: gtk.Image.do_set_property(self, pspec, value) @@ -221,11 +276,12 @@ class Icon(gtk.Image): return self._buffer.fill_color elif pspec.name == 'stroke-color': return self._buffer.stroke_color + elif pspec.name == 'badge-name': + return self._buffer.badge_name else: return gtk.Image.do_get_property(self, pspec) _ICON_REQUEST_SIZE = 50 -_BADGE_SIZE = 0.45 class _IconCacheIcon: def __init__(self, name, fill_color, stroke_color, now): |