diff options
Diffstat (limited to 'client/src/ui/avatar_generator.vala')
| -rw-r--r-- | client/src/ui/avatar_generator.vala | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/client/src/ui/avatar_generator.vala b/client/src/ui/avatar_generator.vala deleted file mode 100644 index b668444c..00000000 --- a/client/src/ui/avatar_generator.vala +++ /dev/null @@ -1,235 +0,0 @@ -using Cairo; -using Gee; -using Gdk; -using Gtk; - -using Dino.Entities; - -namespace Dino.Ui { - -public class AvatarGenerator { - - private const string COLOR_GREY = "E0E0E0"; - private const string GROUPCHAT_ICON = "system-users-symbolic"; - - StreamInteractor? stream_interactor; - bool greyscale = false; - bool stateless = false; - int width; - int height; - int scale_factor; - - public AvatarGenerator(int width, int height, int scale_factor = 1) { - this.width = width; - this.height = height; - this.scale_factor = scale_factor; - } - - public Pixbuf draw_jid(StreamInteractor stream_interactor, Jid jid, Account account) { - this.stream_interactor = stream_interactor; - return crop_corners(draw_tile(jid, account, width * scale_factor, height * scale_factor)); - } - - public Pixbuf draw_message(StreamInteractor stream_interactor, Message message) { - Jid? real_jid = MucManager.get_instance(stream_interactor).get_message_real_jid(message); - return draw_jid(stream_interactor, real_jid != null ? real_jid : message.from, message.account); - } - - public Pixbuf draw_conversation(StreamInteractor stream_interactor, Conversation conversation) { - return draw_jid(stream_interactor, conversation.counterpart, conversation.account); - } - - public Pixbuf draw_account(StreamInteractor stream_interactor, Account account) { - return draw_jid(stream_interactor, account.bare_jid, account); - } - - public Pixbuf draw_text(string text) { - string color = greyscale ? COLOR_GREY : Util.get_avatar_hex_color(text); - Pixbuf pixbuf = draw_colored_rectangle_text(color, text, width, height); - return crop_corners(pixbuf); - } - - public AvatarGenerator set_greyscale(bool greyscale) { - this.greyscale = greyscale; - return this; - } - - public AvatarGenerator set_stateless(bool stateless) { - this.stateless = stateless; - return this; - } - - private int get_left_border() { - return (int)Math.floor(scale_factor/2.0); - } - - private int get_right_border() { - return (int)Math.ceil(scale_factor/2.0); - } - - private void add_tile_to_pixbuf(Pixbuf pixbuf, Jid jid, Account account, int width, int height, int x, int y) { - Pixbuf tile = draw_chat_tile(jid, account, width, height); - tile.copy_area(0, 0, width, height, pixbuf, x, y); - } - - private Pixbuf draw_tile(Jid jid, Account account, int width, int height) { - if (MucManager.get_instance(stream_interactor).is_groupchat(jid, account)) { - return draw_groupchat_tile(jid, account, width, height); - } else { - return draw_chat_tile(jid, account, width, height); - } - } - - private Pixbuf draw_chat_tile(Jid jid, Account account, int width, int height) { - if (MucManager.get_instance(stream_interactor).is_groupchat_occupant(jid, account)) { - Jid? real_jid = MucManager.get_instance(stream_interactor).get_real_jid(jid, account); - if (real_jid != null) { - return draw_tile(real_jid, account, width, height); - } - } - Pixbuf? avatar = AvatarManager.get_instance(stream_interactor).get_avatar(account, jid); - if (avatar != null) { - double desired_ratio = (double) width / height; - double avatar_ratio = (double) avatar.width / avatar.height; - if (avatar_ratio > desired_ratio) { - int comp_width = width * avatar.height / height; - avatar = new Pixbuf.subpixbuf(avatar, avatar.width / 2 - comp_width / 2, 0, comp_width, avatar.height); - } else if (avatar_ratio < desired_ratio) { - int comp_height = height * avatar.width / width; - avatar = new Pixbuf.subpixbuf(avatar, 0, avatar.height / 2 - comp_height / 2, avatar.width, comp_height); - } - avatar = avatar.scale_simple(width, height, InterpType.BILINEAR); - if (greyscale) avatar = convert_to_greyscale(avatar); - return avatar; - } else { - string display_name = Util.get_display_name(stream_interactor, jid, account); - string color = greyscale ? COLOR_GREY : Util.get_avatar_hex_color(display_name); - return draw_colored_rectangle_text(color, display_name.get_char(0).toupper().to_string(), width, height); - } - } - - private Pixbuf draw_groupchat_tile(Jid jid, Account account, int width, int height) { - ArrayList<Jid>? occupants = MucManager.get_instance(stream_interactor).get_other_occupants(jid, account); - if (stateless || occupants == null || occupants.size == 0) { - return draw_chat_tile(jid, account, width, height); - } - Pixbuf pixbuf = initialize_pixbuf(width, height); - if (occupants.size == 1 || occupants.size == 2 || occupants.size == 3) { - add_tile_to_pixbuf(pixbuf, occupants[0], account, width / 2 - get_right_border(), height, 0, 0); - if (occupants.size == 1) { - add_tile_to_pixbuf(pixbuf, account.bare_jid, account, width / 2 - get_left_border(), height, width / 2 + get_left_border(), 0); - } else if (occupants.size == 2) { - add_tile_to_pixbuf(pixbuf, occupants[1], account, width / 2 - get_left_border(), height, width / 2 + get_left_border(), 0); - } else if (occupants.size == 3) { - add_tile_to_pixbuf(pixbuf, occupants[1], account, width / 2 - get_left_border(), height / 2 - get_right_border(), width / 2 + get_left_border(), 0); - add_tile_to_pixbuf(pixbuf, occupants[2], account, width / 2 - get_left_border(), height / 2 - get_left_border(), width / 2 + get_left_border(), height / 2 + get_left_border()); - } - } else if (occupants.size >= 4) { - add_tile_to_pixbuf(pixbuf, occupants[0], account, width / 2 - get_right_border(), height / 2 - get_right_border(), 0, 0); - add_tile_to_pixbuf(pixbuf, occupants[1], account, width / 2 - get_left_border(), height / 2 - get_right_border(), width / 2 + get_left_border(), 0); - add_tile_to_pixbuf(pixbuf, occupants[2], account, width / 2 - get_right_border(), height / 2 - get_left_border(), 0, height / 2 + get_left_border()); - if (occupants.size == 4) { - add_tile_to_pixbuf(pixbuf, occupants[3], account, width / 2 - get_left_border(), height / 2 - get_left_border(), width / 2 + get_left_border(), height / 2 + get_left_border()); - } else if (occupants.size > 4) { - Pixbuf plus_pixbuf = draw_colored_rectangle_text("555753", "+", width / 2 - get_left_border(), height / 2 - get_left_border()); - if (greyscale) plus_pixbuf = convert_to_greyscale(plus_pixbuf); - plus_pixbuf.copy_area(0, 0, width / 2 - get_left_border(), height / 2 - get_left_border(), pixbuf, width / 2 + get_left_border(), height / 2 + get_left_border()); - } - } - return pixbuf; - } - - public Pixbuf draw_colored_icon(string hex_color, string icon, int width, int height) { - int ICON_SIZE = width > 20 * scale_factor ? 17 * scale_factor : 14 * scale_factor; - - Context rectancle_context = new Context(new ImageSurface(Format.ARGB32, width, height)); - draw_colored_rectangle(rectancle_context, hex_color, width, height); - - Pixbuf icon_pixbuf = IconTheme.get_default().load_icon(icon, ICON_SIZE, IconLookupFlags.FORCE_SIZE); - Surface icon_surface = cairo_surface_create_from_pixbuf(icon_pixbuf, 1, null); - Context context = new Context(icon_surface); - context.set_operator(Operator.IN); - context.set_source_rgba(1, 1, 1, 1); - context.rectangle(0, 0, width, height); - context.fill(); - - rectancle_context.set_source_surface(icon_surface, width / 2 - ICON_SIZE / 2, height / 2 - ICON_SIZE / 2); - rectancle_context.paint(); - - return pixbuf_get_from_surface(rectancle_context.get_target(), 0, 0, width, height); - } - - public Pixbuf draw_colored_rectangle_text(string hex_color, string text, int width, int height) { - Context ctx = new Context(new ImageSurface(Format.ARGB32, width, height)); - draw_colored_rectangle(ctx, hex_color, width, height); - draw_center_text(ctx, text, width < 40 * scale_factor ? 17 * scale_factor : 25 * scale_factor, width, height); - return pixbuf_get_from_surface(ctx.get_target(), 0, 0, width, height); - } - - private static void draw_center_text(Context ctx, string text, int fontsize, int width, int height) { - ctx.select_font_face("Sans", Cairo.FontSlant.NORMAL, Cairo.FontWeight.NORMAL); - ctx.set_font_size(fontsize); - Cairo.TextExtents extents; - ctx.text_extents(text, out extents); - double x_pos = width/2 - (extents.width/2 + extents.x_bearing); - double y_pos = height/2 - (extents.height/2 + extents.y_bearing); - ctx.move_to(x_pos, y_pos); - ctx.set_source_rgba(1, 1, 1, 1); - ctx.show_text(text); - } - - private static void draw_colored_rectangle(Context ctx, string hex_color, int width, int height) { - set_source_hex_color(ctx, hex_color); - ctx.rectangle(0, 0, width, height); - ctx.fill(); - } - - private static Pixbuf convert_to_greyscale(Pixbuf pixbuf) { - Surface surface = cairo_surface_create_from_pixbuf(pixbuf, 1, null); - Context context = new Context(surface); - // convert to greyscale - context.set_operator(Operator.HSL_COLOR); - context.set_source_rgb(1, 1, 1); - context.rectangle(0, 0, pixbuf.width, pixbuf.height); - context.fill(); - // make the visible part more light - context.set_operator(Operator.ATOP); - context.set_source_rgba(1, 1, 1, 0.7); - context.rectangle(0, 0, pixbuf.width, pixbuf.height); - context.fill(); - return pixbuf_get_from_surface(context.get_target(), 0, 0, pixbuf.width, pixbuf.height); - } - - private Pixbuf crop_corners(Pixbuf pixbuf, double radius = 3) { - radius *= scale_factor; - Context ctx = new Context(new ImageSurface(Format.ARGB32, pixbuf.width, pixbuf.height)); - cairo_set_source_pixbuf(ctx, pixbuf, 0, 0); - double degrees = Math.PI / 180.0; - ctx.new_sub_path(); - ctx.arc(pixbuf.width - radius, radius, radius, -90 * degrees, 0 * degrees); - ctx.arc(pixbuf.width - radius, pixbuf.height - radius, radius, 0 * degrees, 90 * degrees); - ctx.arc(radius, pixbuf.height - radius, radius, 90 * degrees, 180 * degrees); - ctx.arc(radius, radius, radius, 180 * degrees, 270 * degrees); - ctx.close_path(); - ctx.clip(); - ctx.paint(); - return pixbuf_get_from_surface(ctx.get_target(), 0, 0, pixbuf.width, pixbuf.height); - } - - private static Pixbuf initialize_pixbuf(int width, int height) { - Context ctx = new Context(new ImageSurface(Format.ARGB32, width, height)); - ctx.set_source_rgba(1, 1, 1, 0); - ctx.rectangle(0, 0, width, height); - ctx.fill(); - return pixbuf_get_from_surface(ctx.get_target(), 0, 0, width, height); - } - - private static void set_source_hex_color(Context ctx, string hex_color) { - ctx.set_source_rgba((double) hex_color.substring(0, 2).to_long(null, 16) / 255, - (double) hex_color.substring(2, 2).to_long(null, 16) / 255, - (double) hex_color.substring(4, 2).to_long(null, 16) / 255, - hex_color.length > 6 ? (double) hex_color.substring(6, 2).to_long(null, 16) / 255 : 1); - } -} - -} |