tiny.ui.text

1pub const LineMetrics = extern struct {2    ascent: f32 = 0,3    descent: f32 = 0,4    leading: f32 = 0,5};

1pub const MetricsRequest = extern struct {2    style: *const fact.TextStyle,3    available_width: f32 = 0,4};

1pub const ShapeRequest = extern struct {2    text: [*]const u8,3    text_len: u32,4    source_offset: u32 = 0,5    style: *const fact.TextStyle,6    faces: [*]const abi.AssetHandle,7    face_count: u32,8    script: u16 = 0,9    flags: u16 = 0,10};

1pub const Shaper = extern struct {2    context: ?*anyopaque = null,3    shape_run: *const fn (?*anyopaque, *const ShapeRequest, [*]fact.Cluster, u32) callconv(.c) u32,4    line_metrics: *const fn (?*anyopaque, *const MetricsRequest) callconv(.c) LineMetrics,56    pub fn shape(7        self: Shaper,8        request: *const ShapeRequest,9        output: []fact.Cluster,10    ) error{OutputTooSmall}![]fact.Cluster {11        std.debug.assert(output.len <= std.math.maxInt(u32));12        const count = self.shape_run(self.context, request, output.ptr, @intCast(output.len));13        if (count > output.len) return error.OutputTooSmall;14        return output[0..count];15    }1617    pub fn metrics(self: Shaper, request: *const MetricsRequest) LineMetrics {18        return self.line_metrics(self.context, request);19    }20};

1pub const text = @import("text/root.zig");

1const contract = @import("contract.zig");23pub const ShapeRequest = contract.ShapeRequest;4pub const MetricsRequest = contract.MetricsRequest;5pub const LineMetrics = contract.LineMetrics;6pub const Shaper = contract.Shaper;7pub const segment = @import("segment.zig");