tiny.gui.paint.cpu

1pub const PackedTarget = struct {2    width: u32,3    height: u32,4    pixels: []u32,56    pub fn pixelCount(self: PackedTarget) usize {7        return @as(usize, self.width) * @as(usize, self.height);8    }910    pub fn validate(self: PackedTarget) !void {11        if (self.pixels.len < self.pixelCount()) return error.BufferTooSmall;12    }13};

1pub const Target = struct {2    width: u32,3    height: u32,4    rgba8: []u8,56    pub fn byteCount(self: Target) usize {7        return @as(usize, self.width) * @as(usize, self.height) * 4;8    }910    pub fn validate(self: Target) !void {11        if (self.rgba8.len < self.byteCount()) return error.BufferTooSmall;12    }13};

1pub fn renderCommands(commands: []const Command, target: Target, clear: Color) !void {2    try renderCommandsWithImages(commands, target, clear, .{});3}

1pub fn renderCommandsPacked(commands: []const Command, target: PackedTarget, clear: Color) !void {2    try renderCommandsPackedWithImages(commands, target, clear, .{});3}

1pub fn renderCommandsPackedRegionWithImages(commands: []const Command, target: PackedTarget, clear: Color, images: ImageSet, region: Region) !void {2    try target.validate();3    const active_region = region.clamped(target.width, target.height);4    if (active_region.pixelCount() == 0) return;5    span.renderRegion(pixel.WordStore, .{ .words = target.pixels }, target.width, target.height, commands, clear, images, active_region);6}

1pub fn renderCommandsPackedWithImages(commands: []const Command, target: PackedTarget, clear: Color, images: ImageSet) !void {2    try renderCommandsPackedRegionWithImages(commands, target, clear, images, Region.full(target.width, target.height));3}

1pub fn renderCommandsRegionWithImages(commands: []const Command, target: Target, clear: Color, images: ImageSet, region: Region) !void {2    try target.validate();3    const active_region = region.clamped(target.width, target.height);4    if (active_region.pixelCount() == 0) return;5    span.renderRegion(pixel.ByteStore, .{ .bytes = target.rgba8 }, target.width, target.height, commands, clear, images, active_region);6}

1pub fn renderCommandsWithImages(commands: []const Command, target: Target, clear: Color, images: ImageSet) !void {2    try renderCommandsRegionWithImages(commands, target, clear, images, Region.full(target.width, target.height));3}

1pub fn rgba8FromPacked(dst: []u8, pixels: []const u32) !void {2    if (dst.len < pixels.len * 4) return error.BufferTooSmall;3    for (pixels, 0..) |value, index| pixel.writePacked(dst, index, value);4}

1const render = @import("render.zig");23pub const geometry = render.geometry;4pub const pixel = render.pixel;56pub const Region = render.Region;7pub const Bounds = render.Bounds;8pub const Target = render.Target;9pub const PackedTarget = render.PackedTarget;1011pub const clippedBounds = render.clippedBounds;12pub const packRgba = render.packRgba;13pub const renderCommands = render.renderCommands;14pub const renderCommandsWithImages = render.renderCommandsWithImages;15pub const renderCommandsRegionWithImages = render.renderCommandsRegionWithImages;16pub const renderCommandsPacked = render.renderCommandsPacked;17pub const renderCommandsPackedWithImages = render.renderCommandsPackedWithImages;18pub const renderCommandsPackedRegionWithImages = render.renderCommandsPackedRegionWithImages;19pub const rgba8FromPacked = render.rgba8FromPacked;

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