"use strict"; /* tslint:disable: class-name no-var-requires no-console no-bitwise max-classes-per-file */ const global = Function("return this")(); if(!global.ImageData) { global.ImageData = require("canvas").ImageData; } /** * MZ-700 Character Generator. * * @constructor * * @param {number[]} patternBuffer * character pattern memory. * * @param {number} width * Pixel width of a character. * * @param {number} height * Pixel height of a character. */ export default class mz700cg { _fontTable = null; _patternBuffer:number[][]; _width:number; _height:number; constructor(patternBuffer:number[][], width:number, height:number) { this._fontTable = null; this._patternBuffer = patternBuffer; this._width = width; this._height = height; this.createFontTable(); } /** * Create font table. * * @returns {undefined} */ createFontTable():void { // 256 attributes x 256 character display codes // attribute: b7 b6 b5 b4 b3 b2 b1 b0 // -- -------- -- -------- // ^ ^ ^ ^ // | | | | // | | | +--- bgc: background color // | | +------------ xxx: (not used) // | +--------------- fgc: foreground color // +------------------------ atb: bank selector bit this._fontTable = new Array(256 * 256); for (let atb = 0; atb < 2; atb++) { for (let dispCode = 0; dispCode < 256; dispCode++) { this.initFont(atb, dispCode); } } for (let i = 0; i < 256 * 256; i++) { if (!this._fontTable[i]) { console.warn(`mz700cg._fontTable[0x${i.toString(16)}] is null`); } } } /** * Initialize specific font in the table. * * @param {number} atb * An attribute bit which select charactoer bank by zero or one. * * @param {number} dispCode * A display code. * * @returns {undefined} */ initFont(atb:number, dispCode:number):void { const pattern = this._patternBuffer[atb * 256 + dispCode]; for (let bg = 0; bg < 8; bg++) { for (let fg = 0; fg < 8; fg++) { const attr = (atb << 7) | (fg << 4) | bg; const index0 = mz700cg.tableIndex(attr | 0x00, dispCode); const index1 = mz700cg.tableIndex(attr | 0x08, dispCode); const font = new FontImage(pattern, mz700cg.Colors[fg], mz700cg.Colors[bg], this._width, this._height); this._fontTable[index0] = font; this._fontTable[index1] = font; } } } /** * @param {number} atb * An attribute bit which select charactoer bank by zero or one. * * @param {number} dispCode * A display code. * * @param {number} row * Index of row to be set the pattern. * * @param {number} pattern * Bit pattern to be set at the row. * * @returns {undefined} */ setPattern(atb:number, dispCode:number, row:number, pattern:number):void{ const cpos = atb * 256 + dispCode; this._patternBuffer[cpos][row] = pattern; this.initFont(atb, dispCode); } /** * Get a font image instance. * * @param {number} attr * An attribute 8 bits value including atb and fore and background color. * [ atb:1 bit ][ fg color index:3 bits ][ bg color index: 3 bits ] * * @param {number} dispCode * A display code. * * @returns {FontImage} A font image. */ get(attr:number, dispCode:number):FontImage { return this._fontTable[mz700cg.tableIndex(attr, dispCode)]; } /** * Get a index of the font table by attribute and display code * * @param {number} attr * An attribute 8 bits value including atb and fore and background color. * [ atb:1 bit ][ fg color index:3 bits ][ bg color index: 3 bits ] * * @param {number} dispCode * A display code. * * @returns {number} an index of the font table. */ static tableIndex(attr:number, dispCode:number):number { return attr << 8 | dispCode; } // // Color table // [Black, Blue, Red, Magenta, Green, Cyan, Yellow, White] // static Colors:{R:number,G:number,B:number,A:number}[] = [ {R:0x00, G:0x00, B:0x00, A: 0xff}, {R:0x00, G:0x00, B:0xff, A: 0xff}, {R:0xff, G:0x00, B:0x00, A: 0xff}, {R:0xff, G:0x00, B:0xff, A: 0xff}, {R:0x00, G:0xff, B:0x00, A: 0xff}, {R:0x00, G:0xff, B:0xff, A: 0xff}, {R:0xff, G:0xff, B:0x00, A: 0xff}, {R:0xff, G:0xff, B:0xff, A: 0xff}, ]; // // Font bit pattern data for standard MZ-700 // // An array of array that 512 characters are defined. // // [0x000 .. 0x0ff]: Uppercase alphabets, numbers, Japanese Kata-kana // [0x100 .. 0x1ff]: Lower case alphabets, number, Japanese Hira-gana // // These represent a bit pattern in 8 bytes by one character. // // ---- // // This is own data converted from the file 'mz700fon.txt' in // a MZ700WIN distribution downloaded from // http://www.retropc.net/mz-memories/mz700/ // static ROM:number[][] = [ [0,0,0,0,0,0,0,0], [24,36,66,126,66,66,66,0], [124,34,34,60,34,34,124,0], [28,34,64,64,64,34,28,0], [120,36,34,34,34,36,120,0], [126,64,64,120,64,64,126,0], [126,64,64,120,64,64,64,0], [28,34,64,78,66,34,28,0], [66,66,66,126,66,66,66,0], [28,8,8,8,8,8,28,0], [14,4,4,4,4,68,56,0], [66,68,72,112,72,68,66,0], [64,64,64,64,64,64,126,0], [66,102,90,90,66,66,66,0], [66,98,82,74,70,66,66,0], [24,36,66,66,66,36,24,0], [124,66,66,124,64,64,64,0], [24,36,66,66,74,36,26,0], [124,66,66,124,72,68,66,0], [60,66,64,60,2,66,60,0], [62,8,8,8,8,8,8,0], [66,66,66,66,66,66,60,0], [66,66,66,36,36,24,24,0], [66,66,66,90,90,102,66,0], [66,66,36,24,36,66,66,0], [34,34,34,28,8,8,8,0], [126,2,4,24,32,64,126,0], [8,8,8,8,255,8,8,8], [8,8,8,8,15,0,0,0], [8,8,8,8,248,0,0,0], [8,8,8,8,15,8,8,8], [8,8,8,8,255,0,0,0], [60,66,70,90,98,66,60,0], [8,24,40,8,8,8,62,0], [60,66,2,12,48,64,126,0], [60,66,2,60,2,66,60,0], [4,12,20,36,126,4,4,0], [126,64,120,4,2,68,56,0], [28,32,64,124,66,66,60,0], [126,66,4,8,16,16,16,0], [60,66,66,60,66,66,60,0], [60,66,66,62,2,4,56,0], [0,0,0,126,0,0,0,0], [0,0,126,0,126,0,0,0], [0,0,8,0,0,8,8,16], [0,2,4,8,16,32,64,0], [0,0,0,0,0,24,24,0], [0,0,0,0,0,8,8,16], [0,255,0,0,0,0,0,0], [64,64,64,64,64,64,64,64], [128,128,128,128,128,128,128,255], [1,1,1,1,1,1,1,255], [0,0,0,255,0,0,0,0], [16,16,16,16,16,16,16,16], [255,255,0,0,0,0,0,0], [192,192,192,192,192,192,192,192], [0,0,0,0,0,255,0,0], [4,4,4,4,4,4,4,4], [0,0,0,0,255,255,255,255], [15,15,15,15,15,15,15,15], [0,0,0,0,0,0,0,255], [1,1,1,1,1,1,1,1], [0,0,0,0,0,0,255,255], [3,3,3,3,3,3,3,3], [0,0,8,4,254,4,8,0], [8,28,62,127,127,28,62,0], [255,127,63,31,15,7,3,1], [255,255,255,255,255,255,255,255], [8,28,62,127,62,28,8,0], [0,0,16,32,127,32,16,0], [8,28,42,127,42,8,8,0], [0,60,126,126,126,126,60,0], [0,60,66,66,66,66,60,0], [60,66,2,12,16,0,16,0], [255,195,129,129,129,129,195,255], [0,0,0,0,3,4,8,8], [0,0,0,0,192,32,16,16], [128,192,224,240,248,252,254,255], [1,3,7,15,31,63,127,255], [0,0,8,0,0,8,0,0], [0,8,28,42,8,8,8,0], [14,24,48,96,48,24,14,0], [60,32,32,32,32,32,60,0], [54,127,127,127,62,28,8,0], [60,4,4,4,4,4,60,0], [28,34,74,86,76,32,30,0], [255,254,252,248,240,224,192,128], [112,24,12,6,12,24,112,0], [160,80,160,80,160,80,160,80], [0,64,32,16,8,4,2,0], [170,85,170,85,170,85,170,85], [240,240,240,240,15,15,15,15], [0,0,0,0,15,8,8,8], [0,0,0,0,248,8,8,8], [8,8,8,8,248,8,8,8], [0,0,0,0,255,8,8,8], [0,0,1,62,84,20,20,0], [8,8,8,8,0,0,8,0], [36,36,36,0,0,0,0,0], [36,36,126,36,126,36,36,0], [8,30,40,28,10,60,8,0], [0,98,100,8,16,38,70,0], [48,72,72,48,74,68,58,0], [4,8,16,0,0,0,0,0], [4,8,16,16,16,8,4,0], [32,16,8,8,8,16,32,0], [0,8,8,62,8,8,0,0], [8,42,28,62,28,42,8,0], [15,15,15,15,240,240,240,240], [129,66,36,24,24,36,66,129], [16,16,32,192,0,0,0,0], [8,8,4,3,0,0,0,0], [255,0,0,0,0,0,0,0], [128,128,128,128,128,128,128,128], [255,128,128,128,128,128,128,128], [255,1,1,1,1,1,1,1], [0,0,255,0,0,0,0,0], [32,32,32,32,32,32,32,32], [1,2,4,8,16,32,64,128], [128,64,32,16,8,4,2,1], [0,0,0,0,255,0,0,0], [8,8,8,8,8,8,8,8], [255,255,255,255,0,0,0,0], [240,240,240,240,240,240,240,240], [0,0,0,0,0,0,255,0], [2,2,2,2,2,2,2,2], [0,0,0,0,0,255,255,255], [7,7,7,7,7,7,7,7], [0,8,8,8,42,28,8,0], [4,56,8,62,8,8,16,0], [0,62,2,2,2,2,62,0], [0,34,34,18,2,4,24,0], [0,48,2,50,2,4,56,0], [2,4,8,24,40,8,8,0], [0,8,4,34,34,34,34,0], [8,62,8,62,8,8,8,0], [0,30,18,34,2,4,24,0], [0,28,0,0,0,0,62,0], [0,62,2,2,20,8,4,0], [4,4,4,4,4,8,16,0], [36,36,36,36,4,8,16,0], [0,62,16,62,16,16,14,0], [0,28,0,28,0,60,2,0], [28,0,62,2,2,4,8,0], [16,62,18,20,16,16,14,0], [0,30,18,42,6,4,24,0], [0,62,2,4,8,20,34,0], [16,16,16,24,20,16,16,0], [16,62,18,18,18,18,36,0], [8,8,62,8,8,16,32,0], [32,32,62,32,32,32,30,0], [28,0,62,8,8,8,16,0], [20,62,20,20,4,8,16,0], [0,48,0,2,2,4,56,0], [0,42,42,42,2,4,8,0], [0,62,34,34,34,34,62,0], [16,30,36,4,4,4,8,0], [30,16,16,16,0,0,0,0], [0,0,62,2,12,8,16,0], [0,0,16,62,18,20,16,0], [0,62,34,34,2,4,8,0], [0,62,2,20,8,20,32,0], [0,62,2,2,2,4,24,0], [62,2,10,12,8,8,16,0], [8,62,34,34,2,4,8,0], [0,62,8,8,8,8,62,0], [4,62,4,12,20,36,4,0], [16,16,62,18,20,16,16,0], [0,28,4,4,4,4,62,0], [0,62,2,62,2,2,62,0], [8,62,8,8,42,42,8,0], [0,16,40,4,2,2,0,0], [0,32,32,34,36,40,48,0], [0,2,2,20,8,20,32,0], [0,8,40,40,42,42,44,0], [8,62,4,8,28,42,8,0], [0,8,16,32,34,62,2,0], [0,0,0,8,8,8,120,0], [0,0,4,8,24,40,8,0], [0,0,0,28,4,4,62,0], [0,62,2,62,2,4,8,0], [0,0,0,0,64,32,16,0], [0,0,8,62,34,2,12,0], [0,0,60,4,60,4,60,0], [112,80,112,0,0,0,0,0], [0,0,0,0,0,0,32,0], [0,0,0,62,8,8,62,0], [0,0,0,42,42,2,12,0], [16,72,32,0,0,0,0,0], [0,0,0,0,112,80,112,0], [0,0,4,62,12,20,36,0], [0,0,0,28,0,0,0,0], [28,28,62,28,8,0,62,0], [255,247,247,247,213,227,247,255], [255,247,227,213,247,247,247,255], [255,255,247,251,129,251,247,255], [255,255,239,223,129,223,239,255], [187,187,187,131,187,187,187,255], [227,221,191,191,191,221,227,255], [24,36,126,255,90,36,0,0], [224,71,66,126,66,71,224,0], [34,62,42,8,8,73,127,65], [28,28,8,62,8,8,20,34], [0,17,210,252,210,17,0,0], [0,136,75,63,75,136,0,0], [34,20,8,8,62,8,28,28], [60,126,255,219,255,231,126,60], [60,66,129,165,129,153,66,60], [62,34,34,62,34,34,62,0], [62,34,62,34,62,34,66,0], [8,42,42,8,20,34,65,0], [8,9,58,12,28,42,73,0], [8,8,62,8,28,42,73,0], [8,20,62,73,62,28,127,0], [0,8,8,62,8,8,127,0], [8,72,126,72,62,8,127,0], [32,62,72,60,40,126,8,0], [4,126,84,127,82,127,10,0], [8,20,34,127,18,18,36,0], [56,18,127,23,59,82,20,0], [127,73,73,127,65,65,65,0], [34,20,62,8,62,8,8,0], [12,18,16,56,16,16,62,0], [0,192,200,84,84,85,34,0], [0,0,0,0,0,2,255,2], [2,2,2,2,2,2,7,2], [2,2,2,2,2,2,255,2], [0,0,32,80,136,5,2,0], [0,14,17,34,196,4,2,1], [0,255,0,129,66,66,129,0], [0,112,136,68,35,32,64,128], [0,196,164,148,143,148,164,196], [0,35,37,41,241,41,37,35], [136,144,160,192,192,168,152,184], [168,176,184,192,192,160,144,136], [128,64,32,16,31,32,64,128], [0,0,36,36,231,36,36,0], [8,8,62,0,0,62,8,8], [8,16,32,16,8,4,2,4], [85,170,85,170,85,170,85,170], [0,0,0,0,0,0,0,0], [0,112,112,112,0,0,0,0], [0,7,7,7,0,0,0,0], [0,119,119,119,0,0,0,0], [0,0,0,0,0,112,112,112], [0,112,112,112,0,112,112,112], [0,7,7,7,0,112,112,112], [0,119,119,119,0,112,112,112], [0,0,0,0,0,7,7,7], [0,112,112,112,0,7,7,7], [0,7,7,7,0,7,7,7], [0,119,119,119,0,7,7,7], [0,0,0,0,0,119,119,119], [0,112,112,112,0,119,119,119], [0,7,7,7,0,119,119,119], [0,119,119,119,0,119,119,119], [0,0,0,0,0,0,0,0], [0,0,56,4,60,68,58,0], [64,64,92,98,66,98,92,0], [0,0,60,66,64,66,60,0], [2,2,58,70,66,70,58,0], [0,0,60,66,126,64,60,0], [12,18,16,124,16,16,16,0], [0,0,58,70,70,58,2,60], [64,64,92,98,66,66,66,0], [8,0,24,8,8,8,28,0], [4,0,12,4,4,4,68,56], [64,64,68,72,80,104,68,0], [24,8,8,8,8,8,28,0], [0,0,118,73,73,73,73,0], [0,0,92,98,66,66,66,0], [0,0,60,66,66,66,60,0], [0,0,92,98,98,92,64,64], [0,0,58,70,70,58,2,2], [0,0,92,98,64,64,64,0], [0,0,62,64,60,2,124,0], [16,16,124,16,16,18,12,0], [0,0,66,66,66,66,60,0], [0,0,66,66,66,36,24,0], [0,0,65,73,73,73,54,0], [0,0,68,40,16,40,68,0], [0,0,66,66,70,58,2,60], [0,0,126,4,24,32,126,0], [8,8,8,8,255,8,8,8], [8,8,8,8,15,0,0,0], [8,8,8,8,248,0,0,0], [8,8,8,8,15,8,8,8], [8,8,8,8,255,0,0,0], [60,66,70,90,98,66,60,0], [8,24,40,8,8,8,62,0], [60,66,2,12,48,64,126,0], [60,66,2,60,2,66,60,0], [4,12,20,36,126,4,4,0], [126,64,120,4,2,68,56,0], [28,32,64,124,66,66,60,0], [126,66,4,8,16,16,16,0], [60,66,66,60,66,66,60,0], [60,66,66,62,2,4,56,0], [0,0,0,126,0,0,0,0], [0,0,126,0,126,0,0,0], [0,0,8,0,0,8,8,16], [0,2,4,8,16,32,64,0], [0,0,0,0,0,24,24,0], [0,0,0,0,0,8,8,16], [0,255,0,0,0,0,0,0], [64,64,64,64,64,64,64,64], [128,128,128,128,128,128,128,255], [1,1,1,1,1,1,1,255], [0,0,0,255,0,0,0,0], [16,16,16,16,16,16,16,16], [255,255,0,0,0,0,0,0], [192,192,192,192,192,192,192,192], [0,0,0,0,0,255,0,0], [4,4,4,4,4,4,4,4], [0,0,0,0,255,255,255,255], [15,15,15,15,15,15,15,15], [0,0,0,0,0,0,0,255], [1,1,1,1,1,1,1,1], [0,0,0,0,0,0,255,255], [3,3,3,3,3,3,3,3], [0,0,8,4,254,4,8,0], [8,28,62,127,127,28,62,0], [255,127,63,31,15,7,3,1], [255,255,255,255,255,255,255,255], [8,28,62,127,62,28,8,0], [0,0,16,32,127,32,16,0], [8,28,42,127,42,8,8,0], [0,60,126,126,126,126,60,0], [0,60,66,66,66,66,60,0], [60,66,2,12,16,0,16,0], [255,195,129,129,129,129,195,255], [0,0,0,0,3,4,8,8], [0,0,0,0,192,32,16,16], [128,192,224,240,248,252,254,255], [1,3,7,15,31,63,127,255], [0,0,8,0,0,8,0,0], [0,8,28,42,8,8,8,0], [14,24,48,96,48,24,14,0], [60,32,32,32,32,32,60,0], [54,127,127,127,62,28,8,0], [60,4,4,4,4,4,60,0], [28,34,74,86,76,32,30,0], [255,254,252,248,240,224,192,128], [112,24,12,6,12,24,112,0], [160,80,160,80,160,80,160,80], [0,64,32,16,8,4,2,0], [170,85,170,85,170,85,170,85], [240,240,240,240,15,15,15,15], [0,0,0,0,15,8,8,8], [0,0,0,0,248,8,8,8], [8,8,8,8,248,8,8,8], [0,0,0,0,255,8,8,8], [0,0,1,62,84,20,20,0], [8,8,8,8,0,0,8,0], [36,36,36,0,0,0,0,0], [36,36,126,36,126,36,36,0], [8,30,40,28,10,60,8,0], [0,98,100,8,16,38,70,0], [48,72,72,48,74,68,58,0], [4,8,16,0,0,0,0,0], [4,8,16,16,16,8,4,0], [32,16,8,8,8,16,32,0], [0,8,8,62,8,8,0,0], [8,42,28,62,28,42,8,0], [15,15,15,15,240,240,240,240], [129,66,36,24,24,36,66,129], [16,16,32,192,0,0,0,0], [8,8,4,3,0,0,0,0], [255,0,0,0,0,0,0,0], [128,128,128,128,128,128,128,128], [255,128,128,128,128,128,128,128], [255,1,1,1,1,1,1,1], [0,0,255,0,0,0,0,0], [32,32,32,32,32,32,32,32], [4,8,17,34,68,136,16,32], [32,16,136,68,34,17,8,4], [0,0,0,0,255,0,0,0], [8,8,8,8,8,8,8,8], [255,255,255,255,0,0,0,0], [240,240,240,240,240,240,240,240], [0,0,0,0,0,0,255,0], [2,2,2,2,2,2,2,2], [0,0,0,0,0,255,255,255], [7,7,7,7,7,7,7,7], [0,8,8,8,42,28,8,0], [16,254,32,124,2,2,252,0], [0,252,2,0,0,128,126,0], [60,8,16,126,8,16,12,0], [64,64,64,64,68,68,56,0], [132,130,130,130,130,144,96,0], [132,158,132,132,156,166,92,0], [16,126,8,126,4,2,96,24], [12,24,48,96,48,24,12,0], [158,128,128,128,128,144,222,0], [16,126,16,126,16,112,156,114], [56,84,146,146,146,146,100,0], [68,68,68,100,4,8,16,0], [32,248,32,248,34,34,28,0], [112,16,20,126,148,148,100,0], [96,0,156,162,194,130,28,0], [68,68,254,68,88,64,62,0], [32,252,64,94,128,160,190,0], [8,254,8,56,72,56,8,16], [32,34,44,48,64,128,126,0], [34,249,37,36,36,36,72,0], [32,250,65,68,156,166,28,0], [224,38,69,132,132,136,112,0], [254,4,8,16,16,8,4,0], [32,254,16,8,68,32,24,0], [16,32,32,112,72,136,134,0], [128,124,2,2,2,4,24,0], [124,8,16,44,66,2,36,24], [132,190,132,132,132,132,72,0], [30,16,16,16,0,0,0,0], [0,32,112,32,120,148,104,0], [0,0,88,228,40,32,16,0], [32,228,42,50,98,162,36,0], [4,68,124,74,178,151,102,0], [56,0,16,74,74,138,48,0], [32,252,32,124,170,146,100,0], [24,0,60,66,2,4,8,0], [16,0,124,8,16,40,70,0], [32,253,33,124,162,162,100,0], [72,76,50,226,36,16,16,8], [8,156,170,202,202,140,24,0], [8,14,8,8,120,142,120,0], [158,132,158,132,156,166,220,0], [0,32,80,136,4,2,2,0], [32,230,44,52,100,164,34,0], [4,68,124,74,178,146,100,0], [124,8,16,60,66,26,36,24], [32,228,42,50,102,171,38,0], [32,253,33,96,160,98,62,0], [0,0,0,0,8,8,8,120], [0,0,72,68,68,68,32,0], [0,0,16,184,212,152,48,0], [16,254,32,116,184,72,126,0], [0,0,0,0,0,64,32,16], [0,32,0,120,4,4,8,0], [0,0,32,56,32,120,96,0], [112,80,112,0,0,0,0,0], [0,0,0,0,0,0,32,0], [0,32,0,120,16,48,76,0], [0,0,0,248,4,4,24,0], [32,144,64,0,0,0,0,0], [0,0,0,0,0,112,80,112], [0,32,116,32,120,164,104,0], [0,0,0,28,0,0,0,0], [28,28,62,28,8,0,62,0], [255,247,247,247,213,227,247,255], [255,247,227,213,247,247,247,255], [255,255,247,251,129,251,247,255], [255,255,239,223,129,223,239,255], [187,187,187,131,187,187,187,255], [227,221,191,191,191,221,227,255], [24,36,126,255,90,36,0,0], [224,71,66,126,66,71,224,0], [34,62,42,8,8,73,127,65], [28,28,8,62,8,8,20,34], [0,17,210,252,210,17,0,0], [0,136,75,63,75,136,0,0], [34,20,8,8,62,8,28,28], [60,126,255,219,255,231,126,60], [60,66,129,165,129,153,66,60], [62,34,34,62,34,34,62,0], [62,34,62,34,62,34,66,0], [8,42,42,8,20,34,65,0], [8,9,58,12,28,42,73,0], [8,8,62,8,28,42,73,0], [8,20,62,73,62,28,127,0], [0,8,8,62,8,8,127,0], [8,72,126,72,62,8,127,0], [32,62,72,60,40,126,8,0], [4,126,84,127,82,127,10,0], [8,20,34,127,18,18,36,0], [56,18,127,23,59,82,20,0], [127,73,73,127,65,65,65,0], [34,20,62,8,62,8,8,0], [12,18,16,56,16,16,62,0], [0,192,200,84,84,85,34,0], [0,0,0,0,0,2,255,2], [2,2,2,2,2,2,7,2], [2,2,2,2,2,2,255,2], [0,0,32,80,136,5,2,0], [0,14,17,34,196,4,2,1], [0,255,0,129,66,66,129,0], [0,112,136,68,35,32,64,128], [0,196,164,148,143,148,164,196], [0,35,37,41,241,41,37,35], [136,144,160,192,192,168,152,184], [168,176,184,192,192,160,144,136], [128,64,32,16,31,32,64,128], [0,0,36,36,231,36,36,0], [8,8,62,0,0,62,8,8], [8,16,32,16,8,4,2,4], [85,170,85,170,85,170,85,170], [0,0,0,0,0,0,0,0], [0,112,112,112,0,0,0,0], [0,7,7,7,0,0,0,0], [0,119,119,119,0,0,0,0], [0,0,0,0,0,112,112,112], [0,112,112,112,0,112,112,112], [0,7,7,7,0,112,112,112], [0,119,119,119,0,112,112,112], [0,0,0,0,0,7,7,7], [0,112,112,112,0,7,7,7], [0,7,7,7,0,7,7,7], [0,119,119,119,0,7,7,7], [0,0,0,0,0,119,119,119], [0,112,112,112,0,119,119,119], [0,7,7,7,0,119,119,119], [0,119,119,119,0,119,119,119] ]; } /** * Font image offering CANVAS element. * * @param {number[]} pattern * A pixel bit pattern of font. An 8 length array of 8 bit numbers. * * @param {number} fg * An index of foreground color (0-7). * * @param {number} bg * An index of foreground color (0-7). * * @param {number} width * Pixel width of a character. * * @param {number} height * Pixel height of a character. * * @constructor */ class FontImage { getImageData:() => ImageData; constructor( pattern:number[], fg:{R:number,G:number,B:number,A:number}, bg:{R:number,G:number,B:number,A:number}, width:number, height:number) { this.getImageData = () => { const buf:number[] = Array(width * 4 * height).fill(0); let index = 0; for(let row = 0; row < 8; row++) { const bits = pattern[row]; for(let col = 0; col < 8; col++) { if((bits & (0x80 >> col)) !== 0) { buf[index + 0] = fg.R; buf[index + 1] = fg.G; buf[index + 2] = fg.B; buf[index + 3] = fg.A; } else { buf[index + 0] = bg.R; buf[index + 1] = bg.G; buf[index + 2] = bg.B; buf[index + 3] = bg.A; } index += 4; } } const array = Uint8ClampedArray.from(buf); const imageData = new ImageData(array, width, height); this.getImageData = () => imageData; return this.getImageData(); }; } } module.exports = mz700cg;