From 62e76348aeb15ef96f06e74009ee48e8e4826424 Mon Sep 17 00:00:00 2001
From: Robert Krahn <robert.krahn@gmail.com>
Date: Mon, 30 Dec 2019 10:02:10 -0500
Subject: [PATCH] Add types for bmp-js (#41199)

---
 types/bmp-js/bmp-js-tests.ts |  8 ++++
 types/bmp-js/index.d.ts      | 76 ++++++++++++++++++++++++++++++++++++
 types/bmp-js/tsconfig.json   | 23 +++++++++++
 types/bmp-js/tslint.json     |  3 ++
 4 files changed, 110 insertions(+)
 create mode 100644 types/bmp-js/bmp-js-tests.ts
 create mode 100755 types/bmp-js/index.d.ts
 create mode 100755 types/bmp-js/tsconfig.json
 create mode 100644 types/bmp-js/tslint.json

diff --git a/types/bmp-js/bmp-js-tests.ts b/types/bmp-js/bmp-js-tests.ts
new file mode 100644
index 0000000000..f0a43fea0f
--- /dev/null
+++ b/types/bmp-js/bmp-js-tests.ts
@@ -0,0 +1,8 @@
+import { decode, encode } from "bmp-js";
+import { readFileSync, writeFileSync } from "fs";
+
+const bmpBuffer = readFileSync('grayscale.bmp');
+const decoded = decode(bmpBuffer);
+const { width, height, data } = decoded;
+console.log("got bmp with %s x %s (%s bytes)", width, height, data.byteLength);
+writeFileSync("testoutput.bmp", encode(decoded).data);
diff --git a/types/bmp-js/index.d.ts b/types/bmp-js/index.d.ts
new file mode 100755
index 0000000000..3df7860ebb
--- /dev/null
+++ b/types/bmp-js/index.d.ts
@@ -0,0 +1,76 @@
+// Type definitions for bmp-js 0.1
+// Project: https://github.com/shaozilee/bmp-js
+// Definitions by: Robert Krahn <https://github.com/rksm>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/// <reference types="node" />
+
+export interface ImageData {
+    readonly data: Buffer;
+    readonly height: number;
+    readonly width: number;
+}
+
+export type Encode = (imgData: ImageData, quality?: number) => ImageData;
+
+/**
+ * Bmp format decoder, support 1bit 4bit 8bit 24bit bmp
+ */
+export class BmpDecoder implements ImageData {
+    private pos: number;
+    data: Buffer;
+    fileSize: number;
+    reserved: number;
+    offset: number;
+    headerSize: number;
+    width: number;
+    height: number;
+    planes: number;
+    bitPP: number;
+    compress: number;
+    rawSize: number;
+    hr: number;
+    vr: number;
+    colors: number;
+    importantColors: number;
+    bottom_up: boolean;
+
+    palette: Array<{
+        red: number;
+        green: number;
+        blue: number;
+        quad: number;
+    }>;
+
+    constructor(buffer: Buffer, is_with_alpha?: boolean);
+
+    /**
+     * Returns the data buffer - byte array order by ABGR ABGR ABGR,4 bytes per pixel
+     */
+    getData(): Buffer;
+
+    private parseHeader(): void;
+    private parseRGBA(): void;
+    private bit1(): void;
+    private bit4(): void;
+    private bit8(): void;
+    private bit15(): void;
+    private bit16(): void;
+    private bit24(): void;
+    private bit32(): void;
+}
+
+export type Decode = (bmpData: Buffer) => BmpDecoder;
+
+/**
+ * var bmp = require("bmp-js");
+ * var bmpBuffer = fs.readFileSync('bit24.bmp');
+ * var bmpData = bmp.decode(bmpBuffer);
+ */
+export const decode: Decode;
+
+/**
+ * var bmp = require("bmp-js");
+ * var rawData = bmp.encode(bmpData); //default no compression,write rawData to .bmp file
+ */
+export const encode: Encode;
diff --git a/types/bmp-js/tsconfig.json b/types/bmp-js/tsconfig.json
new file mode 100755
index 0000000000..c7618996e3
--- /dev/null
+++ b/types/bmp-js/tsconfig.json
@@ -0,0 +1,23 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "lib": [
+      "es6"
+    ],
+    "noImplicitAny": true,
+    "noImplicitThis": true,
+    "strictNullChecks": true,
+    "strictFunctionTypes": true,
+    "baseUrl": "../",
+    "typeRoots": [
+      "../"
+    ],
+    "types": [],
+    "noEmit": true,
+    "forceConsistentCasingInFileNames": true
+  },
+  "files": [
+    "index.d.ts",
+    "bmp-js-tests.ts"
+  ]
+}
diff --git a/types/bmp-js/tslint.json b/types/bmp-js/tslint.json
new file mode 100644
index 0000000000..d88586e5bd
--- /dev/null
+++ b/types/bmp-js/tslint.json
@@ -0,0 +1,3 @@
+{
+  "extends": "dtslint/dt.json"
+}