deno.land / x / skia_canvas@0.5.8 / src / ffi.ts
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const SYMBOLS = { sk_canvas_create: { parameters: ["i32", "i32"], result: "pointer", },
sk_canvas_destroy: { parameters: ["pointer"], result: "void", },
sk_canvas_save: { parameters: ["pointer", "buffer", "i32", "i32"], result: "i32", },
sk_canvas_get_context: { parameters: ["pointer"], result: "pointer", },
sk_context_destroy: { parameters: ["pointer"], result: "void", },
sk_context_save: { parameters: ["pointer"], result: "void", },
sk_context_restore: { parameters: ["pointer"], result: "void", },
sk_context_clear_rect: { parameters: ["pointer", "f32", "f32", "f32", "f32"], result: "void", },
sk_context_set_fill_style: { parameters: ["pointer", "buffer"], result: "i32", },
sk_context_fill_rect: { parameters: ["pointer", "f32", "f32", "f32", "f32"], result: "void", },
sk_context_stroke_rect: { parameters: ["pointer", "f32", "f32", "f32", "f32"], result: "void", },
sk_context_set_stroke_style: { parameters: ["pointer", "buffer"], result: "i32", },
sk_context_begin_path: { parameters: ["pointer"], result: "void", },
sk_context_move_to: { parameters: ["pointer", "f32", "f32"], result: "void", },
sk_context_line_to: { parameters: ["pointer", "f32", "f32"], result: "void", },
sk_context_close_path: { parameters: ["pointer"], result: "void", },
sk_context_fill: { parameters: ["pointer", "pointer", "u8"], result: "void", },
sk_context_stroke: { parameters: ["pointer", "pointer"], result: "void", },
sk_context_get_line_width: { parameters: ["pointer"], result: "f32", },
sk_context_set_line_width: { parameters: ["pointer", "f32"], result: "void", },
sk_context_get_miter_limit: { parameters: ["pointer"], result: "f32", },
sk_context_set_miter_limit: { parameters: ["pointer", "f32"], result: "void", },
sk_context_get_global_alpha: { parameters: ["pointer"], result: "f32", },
sk_context_set_global_alpha: { parameters: ["pointer", "f32"], result: "void", },
sk_context_set_shadow_color: { parameters: ["pointer", "buffer"], result: "i32", },
sk_context_rect: { parameters: ["pointer", "f32", "f32", "f32", "f32"], result: "void", },
sk_context_clip: { parameters: ["pointer", "pointer", "u8"], result: "void", },
sk_path_create: { parameters: [], result: "pointer", },
sk_path_destroy: { parameters: ["pointer"], result: "void", },
sk_path_move_to: { parameters: ["pointer", "f32", "f32"], result: "void", },
sk_path_line_to: { parameters: ["pointer", "f32", "f32"], result: "void", },
sk_path_close: { parameters: ["pointer"], result: "void", },
sk_path_rect: { parameters: ["pointer", "f32", "f32", "f32", "f32"], result: "void", },
sk_path_create_copy: { parameters: ["pointer"], result: "pointer", },
sk_path_from_svg_string: { parameters: ["buffer"], result: "pointer", },
sk_path_begin: { parameters: ["pointer"], result: "pointer", },
sk_path_arc_to: { parameters: ["pointer", "f32", "f32", "f32", "f32", "f32"], result: "void", },
sk_path_arc: { parameters: ["pointer", "f32", "f32", "f32", "f32", "f32", "u8"], result: "void", },
sk_path_ellipse: { parameters: [ "pointer", "f32", "f32", "f32", "f32", "f32", "f32", "f32", "u8", ], result: "void", },
sk_path_bezier_curve_to: { parameters: ["pointer", "f32", "f32", "f32", "f32", "f32", "f32"], result: "void", },
sk_path_quadratic_curve_to: { parameters: ["pointer", "f32", "f32", "f32", "f32"], result: "void", },
sk_context_arc_to: { parameters: ["pointer", "f32", "f32", "f32", "f32", "f32"], result: "void", },
sk_context_arc: { parameters: ["pointer", "f32", "f32", "f32", "f32", "f32", "u8"], result: "void", },
sk_context_ellipse: { parameters: [ "pointer", "f32", "f32", "f32", "f32", "f32", "f32", "f32", "u8", ], result: "void", },
sk_context_bezier_curve_to: { parameters: ["pointer", "f32", "f32", "f32", "f32", "f32", "f32"], result: "void", },
sk_context_quadratic_curve_to: { parameters: ["pointer", "f32", "f32", "f32", "f32"], result: "void", },
sk_context_translate: { parameters: ["pointer", "f32", "f32"], result: "void", },
sk_context_rotate: { parameters: ["pointer", "f32"], result: "void", },
sk_context_scale: { parameters: ["pointer", "f32", "f32"], result: "void", },
sk_context_transform: { parameters: ["pointer", "f32", "f32", "f32", "f32", "f32", "f32"], result: "void", },
sk_context_set_transform: { parameters: ["pointer", "f32", "f32", "f32", "f32", "f32", "f32"], result: "void", },
sk_context_reset_transform: { parameters: ["pointer"], result: "void", },
sk_context_get_line_cap: { parameters: ["pointer"], result: "i32", },
sk_context_set_line_cap: { parameters: ["pointer", "i32"], result: "void", },
sk_context_get_line_dash_offset: { parameters: ["pointer"], result: "f32", },
sk_context_set_line_dash_offset: { parameters: ["pointer", "f32"], result: "void", },
sk_context_get_text_direction: { parameters: ["pointer"], result: "i32", },
sk_context_set_text_direction: { parameters: ["pointer", "i32"], result: "void", },
sk_context_get_text_align: { parameters: ["pointer"], result: "i32", },
sk_context_set_text_align: { parameters: ["pointer", "i32"], result: "void", },
sk_context_get_text_baseline: { parameters: ["pointer"], result: "i32", },
sk_context_set_text_baseline: { parameters: ["pointer", "i32"], result: "void", },
sk_context_get_shadow_blur: { parameters: ["pointer"], result: "f32", },
sk_context_set_shadow_blur: { parameters: ["pointer", "f32"], result: "void", },
sk_context_get_shadow_offset_x: { parameters: ["pointer"], result: "f32", },
sk_context_set_shadow_offset_x: { parameters: ["pointer", "f32"], result: "void", },
sk_context_get_shadow_offset_y: { parameters: ["pointer"], result: "f32", },
sk_context_set_shadow_offset_y: { parameters: ["pointer", "f32"], result: "void", },
sk_context_set_font: { parameters: ["pointer", "f32", "buffer", "u32", "i32", "i32", "i32"], result: "i32", },
sk_canvas_read_pixels: { parameters: ["pointer", "i32", "i32", "i32", "i32", "buffer", "i32"], result: "void", },
sk_canvas_encode_image: { parameters: ["pointer", "i32", "i32", "buffer", "buffer"], result: "pointer", },
sk_data_free: { parameters: ["pointer"], result: "void", },
sk_context_draw_image: { parameters: [ "pointer", "pointer", "pointer", "f32", "f32", "f32", "f32", "f32", "f32", "f32", "f32", ], result: "void", },
sk_image_from_encoded: { parameters: ["buffer", "u32"], result: "pointer", },
sk_image_from_file: { parameters: ["buffer"], result: "pointer", },
sk_image_width: { parameters: ["pointer"], result: "i32", },
sk_image_height: { parameters: ["pointer"], result: "i32", },
sk_image_destroy: { parameters: ["pointer"], result: "void", },
setup_font_collection: { parameters: [], result: "void", },
load_system_fonts: { parameters: [], result: "i32", },
fonts_register_path: { parameters: ["buffer"], result: "i32", },
fonts_register_memory: { parameters: ["buffer", "u32", "buffer"], result: "i32", },
fonts_register_dir: { parameters: ["buffer"], result: "i32", },
fonts_set_alias: { parameters: ["buffer", "buffer"], result: "void", },
fonts_count: { parameters: [], result: "i32", },
fonts_family: { parameters: ["i32"], result: "pointer", },
sk_context_text: { parameters: [ "pointer", "buffer", "i32", "f32", "f32", "f32", "i32", "pointer", ], result: "i32", },
sk_context_get_line_join: { parameters: ["pointer"], result: "i32", },
sk_context_set_line_join: { parameters: ["pointer", "i32"], result: "void", },
sk_context_set_line_dash: { parameters: ["pointer", "buffer", "u32"], result: "void", },
sk_context_is_point_in_path: { parameters: ["pointer", "f32", "f32", "pointer", "i32"], result: "i32", },
sk_context_is_point_in_stroke: { parameters: ["pointer", "f32", "f32", "pointer"], result: "i32", },
sk_context_get_global_composite_operation: { parameters: ["pointer"], result: "i32", },
sk_context_set_global_composite_operation: { parameters: ["pointer", "i32"], result: "void", },
sk_context_get_image_smoothing_enabled: { parameters: ["pointer"], result: "i32", },
sk_context_set_image_smoothing_enabled: { parameters: ["pointer", "i32"], result: "void", },
sk_context_round_rect: { parameters: [ "pointer", "f32", "f32", "f32", "f32", "f32", "f32", "f32", "f32", ], result: "void", },
sk_path_round_rect: { parameters: [ "pointer", "f32", "f32", "f32", "f32", "f32", "f32", "f32", "f32", ], result: "void", },
sk_context_get_transform: { parameters: ["pointer", "buffer"], result: "void", },
sk_context_get_image_smoothing_quality: { parameters: ["pointer"], result: "i32", },
sk_context_set_image_smoothing_quality: { parameters: ["pointer", "i32"], result: "void", },
sk_context_put_image_data: { parameters: ["pointer", "i32", "i32", "buffer", "i32", "f32", "f32"], result: "void", },
sk_context_put_image_data_dirty: { parameters: [ "pointer", "i32", "i32", "buffer", "i32", "i32", "f32", "f32", "f32", "f32", "f32", "f32", "i32", ], result: "void", },
sk_gradient_create_linear: { parameters: ["f32", "f32", "f32", "f32"], result: "pointer", },
sk_gradient_create_radial: { parameters: ["f32", "f32", "f32", "f32", "f32", "f32"], result: "pointer", },
sk_gradient_create_conic: { parameters: ["f32", "f32", "f32"], result: "pointer", },
sk_gradient_destroy: { parameters: ["pointer"], result: "void", },
sk_gradient_add_color_stop: { parameters: ["pointer", "f32", "buffer"], result: "i32", },
sk_context_set_fill_style_gradient: { parameters: ["pointer", "pointer"], result: "void", },
sk_context_set_stroke_style_gradient: { parameters: ["pointer", "pointer"], result: "void", },
sk_init: { parameters: [], result: "void", },
sk_pattern_new_image: { parameters: ["pointer", "i32"], result: "pointer", },
sk_pattern_destroy: { parameters: ["pointer"], result: "void", },
sk_pattern_set_transform: { parameters: ["pointer", "f64", "f64", "f64", "f64", "f64", "f64"], result: "void", },
sk_context_set_fill_style_pattern: { parameters: ["pointer", "pointer"], result: "void", },
sk_context_set_stroke_style_pattern: { parameters: ["pointer", "pointer"], result: "void", },
sk_context_filter_reset: { parameters: ["pointer"], result: "void", },
sk_context_filter_blur: { parameters: ["pointer", "f32"], result: "void", },
sk_context_filter_brightness: { parameters: ["pointer", "f32"], result: "void", },
sk_context_filter_contrast: { parameters: ["pointer", "f32"], result: "void", },
sk_context_filter_drop_shadow: { parameters: ["pointer", "f32", "f32", "f32", "buffer"], result: "i32", },
sk_context_filter_grayscale: { parameters: ["pointer", "f32"], result: "void", },
sk_context_filter_hue_rotate: { parameters: ["pointer", "f32"], result: "void", },
sk_context_filter_invert: { parameters: ["pointer", "f32"], result: "void", },
sk_context_filter_opacity: { parameters: ["pointer", "f32"], result: "void", },
sk_context_filter_saturated: { parameters: ["pointer", "f32"], result: "void", },
sk_context_filter_sepia: { parameters: ["pointer", "f32"], result: "void", },
sk_context_get_letter_spacing: { parameters: ["pointer"], result: "f32", },
sk_context_set_letter_spacing: { parameters: ["pointer", "f32"], result: "void", },
sk_context_get_word_spacing: { parameters: ["pointer"], result: "f32", },
sk_context_set_word_spacing: { parameters: ["pointer", "f32"], result: "void", },
sk_context_set_font_stretch: { parameters: ["pointer", "i32"], result: "void", },
sk_context_set_font_variant_caps: { parameters: ["pointer", "i32"], result: "void", },
sk_pdf_new: { parameters: [ "buffer", "buffer", "buffer", "buffer", "buffer", "buffer", "buffer", "buffer", "bool", "i32", ], result: "pointer", },
sk_pdf_begin_page: { parameters: ["pointer", "f32", "f32", "f32", "f32", "f32", "f32"], result: "pointer", },
sk_pdf_end_page: { parameters: ["pointer"], result: "void", },
sk_pdf_write_file: { parameters: ["pointer", "buffer"], result: "i32", },
sk_pdf_get_buffer: { parameters: ["pointer", "buffer", "buffer"], result: "pointer", },
sk_pdf_destroy: { parameters: ["pointer"], result: "void", },
sk_svg_new: { parameters: ["i32", "i32", "i32"], result: "pointer", },
sk_svg_destroy: { parameters: ["pointer"], result: "void", },
sk_svg_get_context: { parameters: ["pointer"], result: "pointer", },
sk_svg_write_file: { parameters: ["pointer", "buffer"], result: "i32", },
sk_svg_get_buffer: { parameters: ["pointer", "buffer", "buffer"], result: "pointer", },
sk_canvas_create_gl: { parameters: ["i32", "i32"], result: "pointer", },
sk_canvas_flush: { parameters: ["pointer"], result: "void", },
sk_canvas_set_size: { parameters: ["pointer", "i32", "i32"], result: "void", },
sk_path_is_point_in_path: { parameters: ["pointer", "f32", "f32", "i32"], result: "i32", },
sk_path_is_point_in_stroke: { parameters: ["pointer", "f32", "f32", "f32"], result: "i32", },
sk_path_to_svg: { parameters: ["pointer", "buffer", "buffer"], result: "pointer", },
sk_free_string: { parameters: ["pointer"], result: "void", },
sk_path_simplify: { parameters: ["pointer"], result: "i32", },
sk_path_as_winding: { parameters: ["pointer"], result: "i32", },
sk_path_op: { parameters: ["pointer", "pointer", "i32"], result: "i32", },
sk_path_add_path_buf: { name: "sk_path_add_path", parameters: ["pointer", "pointer", "buffer"], result: "void", },
sk_path_add_path_ptr: { name: "sk_path_add_path", parameters: ["pointer", "pointer", "pointer"], result: "void", },
sk_svg_delete_canvas: { parameters: ["pointer"], result: "void", },} as const;
const LOCAL_BUILD = Deno.env.get("DENO_SKIA_LOCAL") === "1";const CUSTOM_PATH = Deno.env.get("DENO_SKIA_PATH");
let lib!: Deno.DynamicLibrary<typeof SYMBOLS>["symbols"];
if (LOCAL_BUILD) { lib = Deno.dlopen( new URL( `../native/build/${ Deno.build.os === "windows" ? "Release/" : "lib" }native_canvas.${ Deno.build.os === "darwin" ? "dylib" : Deno.build.os === "windows" ? "dll" : "so" }`, import.meta.url, ), SYMBOLS, ).symbols;} else if (CUSTOM_PATH) { lib = Deno.dlopen(CUSTOM_PATH, SYMBOLS).symbols;} else { const name = "native_canvas"; const url = `${meta.github}/releases/download/${meta.version}`; const options: FetchOptions = { url: { darwin: { aarch64: `${url}/lib${name}_aarch64.dylib`, x86_64: `${url}/lib${name}.dylib`, }, linux: `${url}/lib${name}.so`, windows: `${url}/${name}.dll`, }, };
// For some reason we have to keep icudtl.dat in the same directory as the // dynamic library. Only on Windows. if (Deno.build.os === "windows") { const durl = createDownloadURL(options); const directory = await ensureCacheLocation(); const cacheBasePath = join(directory, await urlToFilename(durl)); const cacheIcuBasePath = join(directory, `https/github.com`); const cacheIcuPath = join(cacheIcuBasePath, `icudtl.dat`); const cacheFilePath = `${cacheBasePath}${extname(durl.pathname)}`; const cached = await isFile(cacheFilePath);
if (!cached) { const response = await fetch(`${url}/icudtl.dat`);
if (!response.ok) { if (response.status === 404) { throw new Error(`Could not find ${url}`); } else { throw new Deno.errors.Http( `${response.status} ${response.statusText}`, ); } }
await ensureDir(dirname(cacheIcuBasePath)); try { await Deno.mkdir(cacheIcuBasePath, { recursive: true }); } catch (_) { // ignore if already exists } await Deno.writeFile( cacheIcuPath, new Uint8Array(await response.arrayBuffer()), ); }
await ensureDir(dirname(cacheBasePath)); }
lib = (await dlopen(options, SYMBOLS)).symbols;}
lib.sk_init();
export default lib;
export function cstr(str: string) { return new TextEncoder().encode(str + "\0");}
export function readCstr(ptr: Deno.PointerValue): string { return new Deno.UnsafePointerView(ptr!).getCString();}
export function getBuffer( ptr: Deno.PointerValue, offset: number, size: number,): Uint8Array { return new Uint8Array( new Deno.UnsafePointerView(ptr!).getArrayBuffer(size, offset), );}
export { decodeBase64, encodeBase64 } from "../deps.ts";
skia_canvas
Version Info
8 months ago
