tiny.gif.DecodeCapacity

1pub const Capacity = struct {2    plan: plan_mod.Plan,3    frame_offset: usize,4    frame_bytes: usize,5    canvas_offset: usize,6    previous_canvas_offset: usize,7    indices_offset: usize,8    compressed_offset: usize,9    retained_rgba8_offset: usize,10    storage_bytes: usize,1112    pub fn derive(limits: Limits) DeriveError!Capacity {13        const plan = try plan_mod.Plan.inspect(limits.bytes, limits.bounds);14        const frames = try placed(model.Frame, 0, plan.frames);15        const canvas_offset = frames.end;16        const previous_canvas_offset = try added(canvas_offset, plan.canvas_rgba8_bytes);17        const indices_offset = try added(previous_canvas_offset, plan.canvas_rgba8_bytes);18        const compressed_offset = try added(indices_offset, plan.frame_pixels);19        const retained_rgba8_offset = try added(compressed_offset, plan.compressed_bytes);20        const storage_bytes = try added(retained_rgba8_offset, plan.retained_rgba8_bytes);2122        return .{23            .plan = plan,24            .frame_offset = frames.start,25            .frame_bytes = frames.bytes,26            .canvas_offset = canvas_offset,27            .previous_canvas_offset = previous_canvas_offset,28            .indices_offset = indices_offset,29            .compressed_offset = compressed_offset,30            .retained_rgba8_offset = retained_rgba8_offset,31            .storage_bytes = storage_bytes,32        };33    }34};

1pub const DecodeCapacity = decode.Capacity;