Delete some files

This commit is contained in:
cutls
2018-07-30 21:39:05 +09:00
parent 57e736b253
commit b3ff01188c
1172 changed files with 0 additions and 179456 deletions

View File

@@ -1,271 +0,0 @@
/**
* @author shaozilee
*
* Bmp format decoder,support 1bit 4bit 8bit 24bit bmp
*
*/
function BmpDecoder(buffer,is_with_alpha) {
this.pos = 0;
this.buffer = buffer;
this.is_with_alpha = !!is_with_alpha;
this.flag = this.buffer.toString("utf-8", 0, this.pos += 2);
if (this.flag != "BM") throw new Error("Invalid BMP File");
this.parseHeader();
this.parseBGR();
}
BmpDecoder.prototype.parseHeader = function() {
this.fileSize = this.buffer.readUInt32LE(this.pos);
this.pos += 4;
this.reserved = this.buffer.readUInt32LE(this.pos);
this.pos += 4;
this.offset = this.buffer.readUInt32LE(this.pos);
this.pos += 4;
this.headerSize = this.buffer.readUInt32LE(this.pos);
this.pos += 4;
this.width = this.buffer.readUInt32LE(this.pos);
this.pos += 4;
this.height = this.buffer.readUInt32LE(this.pos);
this.pos += 4;
this.planes = this.buffer.readUInt16LE(this.pos);
this.pos += 2;
this.bitPP = this.buffer.readUInt16LE(this.pos);
this.pos += 2;
this.compress = this.buffer.readUInt32LE(this.pos);
this.pos += 4;
this.rawSize = this.buffer.readUInt32LE(this.pos);
this.pos += 4;
this.hr = this.buffer.readUInt32LE(this.pos);
this.pos += 4;
this.vr = this.buffer.readUInt32LE(this.pos);
this.pos += 4;
this.colors = this.buffer.readUInt32LE(this.pos);
this.pos += 4;
this.importantColors = this.buffer.readUInt32LE(this.pos);
this.pos += 4;
if(this.bitPP === 16 && this.is_with_alpha){
this.bitPP = 15
};
if (this.bitPP < 15) {
var len = this.colors === 0 ? 1 << this.bitPP : this.colors;
this.palette = new Array(len);
for (var i = 0; i < len; i++) {
var blue = this.buffer.readUInt8(this.pos++);
var green = this.buffer.readUInt8(this.pos++);
var red = this.buffer.readUInt8(this.pos++);
var quad = this.buffer.readUInt8(this.pos++);
this.palette[i] = {
red: red,
green: green,
blue: blue,
quad: quad
};
}
}
}
BmpDecoder.prototype.parseBGR = function() {
this.pos = this.offset;
try {
var bitn = "bit" + this.bitPP;
var len = this.width * this.height * 4;
this.data = new Buffer(len);
this[bitn]();
} catch (e) {
console.log("bit decode error:" + e);
}
};
BmpDecoder.prototype.bit1 = function() {
var xlen = Math.ceil(this.width / 8);
var mode = xlen%4;
for (var y = this.height - 1; y >= 0; y--) {
for (var x = 0; x < xlen; x++) {
var b = this.buffer.readUInt8(this.pos++);
var location = y * this.width * 4 + x*8*4;
for (var i = 0; i < 8; i++) {
if(x*8+i<this.width){
var rgb = this.palette[((b>>(7-i))&0x1)];
this.data[location+i*4] = rgb.blue;
this.data[location+i*4 + 1] = rgb.green;
this.data[location+i*4 + 2] = rgb.red;
this.data[location+i*4 + 3] = 0xFF;
}else{
break;
}
}
}
if (mode != 0){
this.pos+=(4 - mode);
}
}
};
BmpDecoder.prototype.bit4 = function() {
var xlen = Math.ceil(this.width/2);
var mode = xlen%4;
for (var y = this.height - 1; y >= 0; y--) {
for (var x = 0; x < xlen; x++) {
var b = this.buffer.readUInt8(this.pos++);
var location = y * this.width * 4 + x*2*4;
var before = b>>4;
var after = b&0x0F;
var rgb = this.palette[before];
this.data[location] = rgb.blue;
this.data[location + 1] = rgb.green;
this.data[location + 2] = rgb.red;
this.data[location + 3] = 0xFF;
if(x*2+1>=this.width)break;
rgb = this.palette[after];
this.data[location+4] = rgb.blue;
this.data[location+4 + 1] = rgb.green;
this.data[location+4 + 2] = rgb.red;
this.data[location+4 + 3] = 0xFF;
}
if (mode != 0){
this.pos+=(4 - mode);
}
}
};
BmpDecoder.prototype.bit8 = function() {
var mode = this.width%4;
for (var y = this.height - 1; y >= 0; y--) {
for (var x = 0; x < this.width; x++) {
var b = this.buffer.readUInt8(this.pos++);
var location = y * this.width * 4 + x*4;
if(b < this.palette.length) {
var rgb = this.palette[b];
this.data[location] = rgb.blue;
this.data[location + 1] = rgb.green;
this.data[location + 2] = rgb.red;
this.data[location + 3] = 0xFF;
} else {
this.data[location] = 0xFF;
this.data[location + 1] = 0xFF;
this.data[location + 2] = 0xFF;
this.data[location + 3] = 0xFF;
}
}
if (mode != 0){
this.pos+=(4 - mode);
}
}
};
BmpDecoder.prototype.bit15 = function() {
var dif_w =this.width % 3;
var _11111 = parseInt("11111", 2),_1_5 = _11111;
for (var y = this.height - 1; y >= 0; y--) {
for (var x = 0; x < this.width; x++) {
var B = this.buffer.readUInt16LE(this.pos);
this.pos+=2;
var blue = (B & _1_5) / _1_5 * 255 | 0;
var green = (B >> 5 & _1_5 ) / _1_5 * 255 | 0;
var red = (B >> 10 & _1_5) / _1_5 * 255 | 0;
var alpha = (B>>15)?0xFF:0x00;
var location = y * this.width * 4 + x * 4;
this.data[location] = red;
this.data[location + 1] = green;
this.data[location + 2] = blue;
this.data[location + 3] = alpha;
}
//skip extra bytes
this.pos += dif_w;
}
};
BmpDecoder.prototype.bit16 = function() {
var dif_w =this.width % 3;
var _11111 = parseInt("11111", 2),_1_5 = _11111;
var _111111 = parseInt("111111", 2),_1_6 = _111111;
for (var y = this.height - 1; y >= 0; y--) {
for (var x = 0; x < this.width; x++) {
var B = this.buffer.readUInt16LE(this.pos);
this.pos+=2;
var alpha = 0xFF;
var blue = (B & _1_5) / _1_5 * 255 | 0;
var green = (B >> 5 & _1_6 ) / _1_6 * 255 | 0;
var red = (B >> 11) / _1_5 * 255 | 0;
var location = y * this.width * 4 + x * 4;
this.data[location] = red;
this.data[location + 1] = green;
this.data[location + 2] = blue;
this.data[location + 3] = alpha;
}
//skip extra bytes
this.pos += dif_w;
}
};
BmpDecoder.prototype.bit24 = function() {
//when height > 0
for (var y = this.height - 1; y >= 0; y--) {
for (var x = 0; x < this.width; x++) {
var blue = this.buffer.readUInt8(this.pos++);
var green = this.buffer.readUInt8(this.pos++);
var red = this.buffer.readUInt8(this.pos++);
var location = y * this.width * 4 + x * 4;
this.data[location] = red;
this.data[location + 1] = green;
this.data[location + 2] = blue;
this.data[location + 3] = 0xFF;
}
//skip extra bytes
this.pos += (this.width % 4);
}
};
/**
* add 32bit decode func
* @author soubok
*/
BmpDecoder.prototype.bit32 = function() {
//when height > 0
for (var y = this.height - 1; y >= 0; y--) {
for (var x = 0; x < this.width; x++) {
var blue = this.buffer.readUInt8(this.pos++);
var green = this.buffer.readUInt8(this.pos++);
var red = this.buffer.readUInt8(this.pos++);
var alpha = this.buffer.readUInt8(this.pos++);
var location = y * this.width * 4 + x * 4;
this.data[location] = red;
this.data[location + 1] = green;
this.data[location + 2] = blue;
this.data[location + 3] = alpha;
}
//skip extra bytes
this.pos += (this.width % 4);
}
};
BmpDecoder.prototype.getData = function() {
return this.data;
};
module.exports = function(bmpData) {
var decoder = new BmpDecoder(bmpData);
return {
data: decoder.getData(),
width: decoder.width,
height: decoder.height
};
};

View File

@@ -1,81 +0,0 @@
/**
* @author shaozilee
*
* BMP format encoder,encode 24bit BMP
* Not support quality compression
*
*/
function BmpEncoder(imgData){
this.buffer = imgData.data;
this.width = imgData.width;
this.height = imgData.height;
this.extraBytes = this.width%4;
this.rgbSize = this.height*(3*this.width+this.extraBytes);
this.headerInfoSize = 40;
this.data = [];
/******************header***********************/
this.flag = "BM";
this.reserved = 0;
this.offset = 54;
this.fileSize = this.rgbSize+this.offset;
this.planes = 1;
this.bitPP = 24;
this.compress = 0;
this.hr = 0;
this.vr = 0;
this.colors = 0;
this.importantColors = 0;
}
BmpEncoder.prototype.encode = function() {
var tempBuffer = new Buffer(this.offset+this.rgbSize);
this.pos = 0;
tempBuffer.write(this.flag,this.pos,2);this.pos+=2;
tempBuffer.writeUInt32LE(this.fileSize,this.pos);this.pos+=4;
tempBuffer.writeUInt32LE(this.reserved,this.pos);this.pos+=4;
tempBuffer.writeUInt32LE(this.offset,this.pos);this.pos+=4;
tempBuffer.writeUInt32LE(this.headerInfoSize,this.pos);this.pos+=4;
tempBuffer.writeUInt32LE(this.width,this.pos);this.pos+=4;
tempBuffer.writeUInt32LE(this.height,this.pos);this.pos+=4;
tempBuffer.writeUInt16LE(this.planes,this.pos);this.pos+=2;
tempBuffer.writeUInt16LE(this.bitPP,this.pos);this.pos+=2;
tempBuffer.writeUInt32LE(this.compress,this.pos);this.pos+=4;
tempBuffer.writeUInt32LE(this.rgbSize,this.pos);this.pos+=4;
tempBuffer.writeUInt32LE(this.hr,this.pos);this.pos+=4;
tempBuffer.writeUInt32LE(this.vr,this.pos);this.pos+=4;
tempBuffer.writeUInt32LE(this.colors,this.pos);this.pos+=4;
tempBuffer.writeUInt32LE(this.importantColors,this.pos);this.pos+=4;
var i=0;
var rowBytes = 3*this.width+this.extraBytes;
for (var y = this.height - 1; y >= 0; y--){
for (var x = 0; x < this.width; x++){
var p = this.pos+y*rowBytes+x*3;
tempBuffer[p+2]= this.buffer[i++];//r
tempBuffer[p+1] = this.buffer[i++];//g
tempBuffer[p] = this.buffer[i++];//b
i++;
}
if(this.extraBytes>0){
var fillOffset = this.pos+y*rowBytes+this.width*3;
tempBuffer.fill(0,fillOffset,fillOffset+this.extraBytes);
}
}
return tempBuffer;
};
module.exports = function(imgData, quality) {
if (typeof quality === 'undefined') quality = 100;
var encoder = new BmpEncoder(imgData);
var data = encoder.encode();
return {
data: data,
width: imgData.width,
height: imgData.height
};
};