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-rw-r--r--main/src/ui/avatar_drawer.vala193
1 files changed, 0 insertions, 193 deletions
diff --git a/main/src/ui/avatar_drawer.vala b/main/src/ui/avatar_drawer.vala
deleted file mode 100644
index c14d7fda..00000000
--- a/main/src/ui/avatar_drawer.vala
+++ /dev/null
@@ -1,193 +0,0 @@
-using Cairo;
-using Gee;
-using Gdk;
-using Gtk;
-using Xmpp.Util;
-
-namespace Dino.Ui {
-
-public class AvatarDrawer {
- public const string GRAY = "555753";
-
- private Gee.List<AvatarTile> tiles = new ArrayList<AvatarTile>();
- private int height = 35;
- private int width = 35;
- private bool gray;
- private int base_factor = 1;
- private string font_family = "Sans";
-
- public AvatarDrawer size(int height, int width = height) {
- this.height = height;
- this.width = width;
- return this;
- }
-
- public AvatarDrawer grayscale() {
- this.gray = true;
- return this;
- }
-
- public AvatarDrawer tile(Pixbuf? image, string? name, string? hex_color) {
- tiles.add(new AvatarTile(image, name, hex_color));
- return this;
- }
-
- public AvatarDrawer plus() {
- tiles.add(new AvatarTile(null, "…", GRAY));
- return this;
- }
-
- public AvatarDrawer scale(int base_factor) {
- this.base_factor = base_factor;
- return this;
- }
-
- public AvatarDrawer font(string font_family) {
- this.font_family = font_family;
- return this;
- }
-
- public ImageSurface draw_image_surface() {
- ImageSurface surface = new ImageSurface(Format.ARGB32, width, height);
- draw_on_context(new Context(surface));
- return surface;
- }
-
- public void draw_on_context(Cairo.Context ctx) {
- double radius = 3 * base_factor;
- double degrees = Math.PI / 180.0;
- ctx.new_sub_path();
- ctx.arc(width - radius, radius, radius, -90 * degrees, 0 * degrees);
- ctx.arc(width - radius, height - radius, radius, 0 * degrees, 90 * degrees);
- ctx.arc(radius, height - radius, radius, 90 * degrees, 180 * degrees);
- ctx.arc(radius, radius, radius, 180 * degrees, 270 * degrees);
- ctx.close_path();
- ctx.clip();
-
- if (this.tiles.size == 4) {
- Cairo.Surface buffer = new Cairo.Surface.similar(ctx.get_target(), Cairo.Content.COLOR_ALPHA, width, height);
- Cairo.Context bufctx = new Cairo.Context(buffer);
- bufctx.scale(0.5, 0.5);
- bufctx.set_source_surface(sub_surface_idx(ctx, 0, width - 1, height - 1, 2 * base_factor), 0, 0);
- bufctx.paint();
- bufctx.set_source_surface(sub_surface_idx(ctx, 1, width - 1, height - 1, 2 * base_factor), width + 1, 0);
- bufctx.paint();
- bufctx.set_source_surface(sub_surface_idx(ctx, 2, width - 1, height - 1, 2 * base_factor), 0, height + 1);
- bufctx.paint();
- bufctx.set_source_surface(sub_surface_idx(ctx, 3, width - 1, height - 1, 2 * base_factor), width + 1, height + 1);
- bufctx.paint();
-
- ctx.set_source_surface(buffer, 0, 0);
- ctx.paint();
- } else if (this.tiles.size == 3) {
- Cairo.Surface buffer = new Cairo.Surface.similar(ctx.get_target(), Cairo.Content.COLOR_ALPHA, width, height);
- Cairo.Context bufctx = new Cairo.Context(buffer);
- bufctx.scale(0.5, 0.5);
- bufctx.set_source_surface(sub_surface_idx(ctx, 0, width - 1, height - 1, 2 * base_factor), 0, 0);
- bufctx.paint();
- bufctx.set_source_surface(sub_surface_idx(ctx, 1, width - 1, height * 2, 2 * base_factor), width + 1, 0);
- bufctx.paint();
- bufctx.set_source_surface(sub_surface_idx(ctx, 2, width - 1, height - 1, 2 * base_factor), 0, height + 1);
- bufctx.paint();
-
- ctx.set_source_surface(buffer, 0, 0);
- ctx.paint();
- } else if (this.tiles.size == 2) {
- Cairo.Surface buffer = new Cairo.Surface.similar(ctx.get_target(), Cairo.Content.COLOR_ALPHA, width, height);
- Cairo.Context bufctx = new Cairo.Context(buffer);
- bufctx.scale(0.5, 0.5);
- bufctx.set_source_surface(sub_surface_idx(ctx, 0, width - 1, height * 2, 2 * base_factor), 0, 0);
- bufctx.paint();
- bufctx.set_source_surface(sub_surface_idx(ctx, 1, width - 1, height * 2, 2 * base_factor), width + 1, 0);
- bufctx.paint();
-
- ctx.set_source_surface(buffer, 0, 0);
- ctx.paint();
- } else if (this.tiles.size == 1) {
- ctx.set_source_surface(sub_surface_idx(ctx, 0, width, height, base_factor), 0, 0);
- ctx.paint();
- } else if (this.tiles.size == 0) {
- ctx.set_source_surface(sub_surface_idx(ctx, -1, width, height, base_factor), 0, 0);
- ctx.paint();
- }
-
- if (gray) {
- // convert to greyscale
- ctx.set_operator(Cairo.Operator.HSL_COLOR);
- ctx.set_source_rgb(1, 1, 1);
- ctx.rectangle(0, 0, width, height);
- ctx.fill();
- // make the visible part more light
- ctx.set_operator(Cairo.Operator.ATOP);
- ctx.set_source_rgba(1, 1, 1, 0.7);
- ctx.rectangle(0, 0, width, height);
- ctx.fill();
- }
- ctx.set_source_rgb(0, 0, 0);
- }
-
- private Cairo.Surface sub_surface_idx(Cairo.Context ctx, int idx, int width, int height, int font_factor = 1) {
- Gdk.Pixbuf? avatar = idx >= 0 ? tiles[idx].image : null;
- string? name = idx >= 0 ? tiles[idx].name : "";
- string hex_color = !gray && idx >= 0 ? tiles[idx].hex_color : GRAY;
- return sub_surface(ctx, font_family, avatar, name, hex_color, width, height, font_factor);
- }
-
- private static Cairo.Surface sub_surface(Cairo.Context ctx, string font_family, Gdk.Pixbuf? avatar, string? name, string? hex_color, int width, int height, int font_factor = 1) {
- Cairo.Surface buffer = new Cairo.Surface.similar(ctx.get_target(), Cairo.Content.COLOR_ALPHA, width, height);
- Cairo.Context bufctx = new Cairo.Context(buffer);
- if (avatar == null) {
- set_source_hex_color(bufctx, hex_color ?? GRAY);
- bufctx.rectangle(0, 0, width, height);
- bufctx.fill();
-
- string text = name == null ? "…" : name.get_char(0).toupper().to_string();
- bufctx.select_font_face(font_family, Cairo.FontSlant.NORMAL, Cairo.FontWeight.NORMAL);
- bufctx.set_font_size(width / font_factor < 40 ? font_factor * 17 : font_factor * 25);
- Cairo.TextExtents extents;
- bufctx.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);
- bufctx.move_to(x_pos, y_pos);
- bufctx.set_source_rgba(1, 1, 1, 1);
- bufctx.show_text(text);
- } else {
- double w_scale = (double) width / avatar.width;
- double h_scale = (double) height / avatar.height;
- double scale = double.max(w_scale, h_scale);
- bufctx.scale(scale, scale);
-
- double x_off = 0, y_off = 0;
- if (scale == h_scale) {
- x_off = (width / scale - avatar.width) / 2.0;
- } else {
- y_off = (height / scale - avatar.height) / 2.0;
- }
- Gdk.cairo_set_source_pixbuf(bufctx, avatar, x_off, y_off);
- bufctx.get_source().set_filter(Cairo.Filter.BEST);
- bufctx.paint();
- }
- return buffer;
- }
-
- private static void set_source_hex_color(Cairo.Context ctx, string hex_color) {
- ctx.set_source_rgba((double) from_hex(hex_color.substring(0, 2)) / 255,
- (double) from_hex(hex_color.substring(2, 2)) / 255,
- (double) from_hex(hex_color.substring(4, 2)) / 255,
- hex_color.length > 6 ? (double) from_hex(hex_color.substring(6, 2)) / 255 : 1);
- }
-}
-
-private class AvatarTile {
- public Pixbuf? image { get; private set; }
- public string? name { get; private set; }
- public string? hex_color { get; private set; }
-
- public AvatarTile(Pixbuf? image, string? name, string? hex_color) {
- this.image = image;
- this.name = name;
- this.hex_color = hex_color;
- }
-}
-
-} \ No newline at end of file
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