// Generated by tools/gen.zig, do not edit.

const abi = @import("../abi.zig");
const types = @import("types.zig");

pub const Point = types.Point;
pub const Color = types.Color;
pub const Shape = types.Shape;
pub const Access = types.Access;

pub const Canvas = enum(u32) {
    _,

    pub const resource_drop = &raw.@"[resource-drop]canvas";

    pub fn init(width: u32, height: u32) Canvas {
        return abi.call(raw.@"[constructor]canvas", Canvas, .{ width, height });
    }

    /// Opens a canvas stored on disk.
    pub fn open(path: []const u8) abi.Result(Canvas, []const u8) {
        return abi.call(raw.@"[static]canvas.open", abi.Result(Canvas, []const u8), .{path});
    }

    pub fn draw(self: Canvas, shape: Shape, at: Point, color: Color) void {
        return abi.call(raw.@"[method]canvas.draw", void, .{ abi.borrow(self), shape, at, color });
    }

    /// Copies `other` on top of this canvas.
    pub fn blend(self: Canvas, other: Canvas, types_: Access) void {
        return abi.call(raw.@"[method]canvas.blend", void, .{ abi.borrow(self), abi.borrow(other), types_ });
    }

    pub fn name(self: Canvas) ?[]const u8 {
        return abi.call(raw.@"[method]canvas.name", ?[]const u8, .{abi.borrow(self)});
    }

    /// Keeps the handle alive past the current callback. Release it with `deinit`.
    pub fn keep(self: Canvas) void {
        abi.keep(Canvas, self);
    }

    /// Releases the handle now instead of when the callback returns.
    pub fn deinit(self: Canvas) void {
        abi.drop(Canvas, self);
    }
};

/// Shows the canvas and closes it.
///
/// Consumes `canvas`.
pub fn present(canvas: Canvas) u64 {
    return abi.call(raw.present, u64, .{canvas});
}

pub fn log(message: []const u8) void {
    return abi.call(raw.log, void, .{message});
}

const raw = struct {
    extern "demo:gen/host@1.2.0" fn @"[constructor]canvas"(i32, i32) i32;
    extern "demo:gen/host@1.2.0" fn @"[static]canvas.open"(i32, i32, i32) void;
    extern "demo:gen/host@1.2.0" fn @"[method]canvas.draw"(i32, i32, i32, i32, i32, i32, i32, i32, i32, i32) void;
    extern "demo:gen/host@1.2.0" fn @"[method]canvas.blend"(i32, i32, i32) void;
    extern "demo:gen/host@1.2.0" fn @"[method]canvas.name"(i32, i32) void;
    extern "demo:gen/host@1.2.0" fn present(i32) i64;
    extern "demo:gen/host@1.2.0" fn log(i32, i32) void;
    extern "demo:gen/host@1.2.0" fn @"[resource-drop]canvas"(i32) void;
};