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metal: underline styles

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This commit is contained in:
Mitchell Hashimoto
2022-11-27 16:15:22 -08:00
parent bfc657395a
commit 2b9a47edb2
1 changed files with 35 additions and 6 deletions
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41
src/renderer/Metal.zig
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@ -171,6 +171,14 @@ pub fn init(alloc: Allocator, options: renderer.Options) !Metal {
};
log.debug("cell dimensions={}", .{metrics});
// Set the sprite font up
options.font_group.group.sprite = font.sprite.Face{
.width = @floatToInt(u32, metrics.cell_width),
.height = @floatToInt(u32, metrics.cell_height),
.thickness = 2,
.underline_position = @floatToInt(u32, metrics.underline_position),
};
// Create the font shaper. We initially create a shaper that can support
// a width of 160 which is a common width for modern screens to help
// avoid allocations later.
@ -408,11 +416,13 @@ pub fn setFontSize(self: *Metal, size: font.face.DesiredSize) !void {
if (std.meta.eql(self.cell_size, new_cell_size)) return;
self.cell_size = new_cell_size;
// Set the cell size of the box font
if (self.font_group.group.sprite) |*sprite| {
sprite.width = @floatToInt(u32, self.cell_size.width);
sprite.height = @floatToInt(u32, self.cell_size.height);
}
// Set the sprite font up
self.font_group.group.sprite = font.sprite.Face{
.width = @floatToInt(u32, self.cell_size.width),
.height = @floatToInt(u32, self.cell_size.height),
.thickness = 2,
.underline_position = @floatToInt(u32, metrics.underline_position),
};
// Notify the window that the cell size changed.
_ = self.window_mailbox.push(.{
@ -912,11 +922,30 @@ pub fn updateCell(
}
if (cell.attrs.underline != .none) {
const sprite: font.Sprite = switch (cell.attrs.underline) {
.none => unreachable,
.single => .underline,
.double => .underline_double,
.dotted => .underline_dotted,
.dashed => .underline_dashed,
.curly => .underline_curly,
};
const glyph = try self.font_group.renderGlyph(
self.alloc,
font.sprite_index,
@enumToInt(sprite),
null,
);
self.cells.appendAssumeCapacity(.{
.mode = .underline,
.mode = .fg,
.grid_pos = .{ @intToFloat(f32, x), @intToFloat(f32, y) },
.cell_width = cell.widthLegacy(),
.color = .{ colors.fg.r, colors.fg.g, colors.fg.b, alpha },
.glyph_pos = .{ glyph.atlas_x, glyph.atlas_y },
.glyph_size = .{ glyph.width, glyph.height },
.glyph_offset = .{ glyph.offset_x, glyph.offset_y },
});
}