glaciall-bitmap - npm Package Compare versions

Comparing version 1.0.0 to 1.1.0

bitmap.js

		@@ -153,2 +153,25 @@ var Base64Chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');

		// 预先使用 getPixel() 生成RGB数值的二维数组，便于调用者稍后以之快速定位像素，因为查表的速度远高于即时计算 getPixel()
		// 返回的内容为[ [0xrrggbb, 0xrrggbb], [0xrrggbb, 0xrrggbb] ]的[[x维],[x维]]二维数组内容
		// 如果位图原始数据被比如 setPixel() 修改了，则需要重新调用本函数来更新RGB二维数组
		this.getRgbRect = function()
		{
		let rect = [];
		for (let y = 0; y < this.height; y++) {
		let rectX = [];
		for (let x = 0; x < this.width; x++) {
		const p = this.getPixel(x, y);
		rectX.push((p[0] << 16) \| (p[1] << 8) \| p[2]);
		}
		rect.push(rectX);
		}
		return rect;
		}

		// 将 0xrrggbb 转换为 '#rrggbb'
		this.rgbToHexString = function(rgb)
		{
		return '#' + (rgb & 0xFFFFFF).toString(16).padStart(6, '0');
		}

		// 获取当前bitmap的datauri串，用于显示或发送到服务器端
		@@ -207,2 +230,4 @@ this.toBase64 = function()
		this.height = this.getHeaderValue(BitMapFormat.biHeight);
		var biSizeImage = parseInt((this.width * 24 + 31) / 32) * 4 * this.height;
		_length_to_fit = biSizeImage / this.height - (this.width * 3);
		}
		@@ -209,0 +234,0 @@ }

package.json

		{
		"name": "glaciall-bitmap",
		"version": "1.0.0",
		"version": "1.1.0",
		"description": "Manipulate bitmap image with pure JavaScript, and can be base64 format to display on web",
		@@ -19,3 +19,4 @@ "main": "bitmap.js",
		"jsbitmap",
		"react"
		"react",
		"rgb"
		],
		@@ -22,0 +23,0 @@ "contributors": [

README.md

		@@ -61,5 +61,13 @@ jsBitmap

		十、Bitmap.getRgbRect()<br/>
		预先使用 getPixel() 生成RGB数值的二维数组，便于调用者稍后以之快速定位像素，因为查表的速度远高于即时计算 getPixel()<br/>
		返回的内容为[ [0xrrggbb, 0xrrggbb], [0xrrggbb, 0xrrggbb] ]的[[x维],[x维]]二维数组内容<br/>
		如果位图原始数据被比如 setPixel() 修改了，则需要重新调用本函数来更新RGB二维数组<br/>

		十一、Bitmap.rgbToHexString(rgb)<br/>
		将 0xrrggbb 转换为 '#rrggbb'<br/>


		PS
		========
		[glaciall](https://github.com/glaciall) [authorized](https://github.com/glaciall/jsBitmap/pull/2#issuecomment-566343119) [flyskywhy](https://github.com/flyskywhy) to publish glaciall-bitmap on npm.

New alerts