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CTRLPainter listens for color changes and surface changes. Still mostly doesn't do anything yet.

dev-tmpl
Bryan Miller 5 年前
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fe3e65f054
共有 1 个文件被更改,包括 85 次插入21 次删除
  1. +85
    -21
      app/js/ctrls/CTRLPainter.js

+ 85
- 21
app/js/ctrls/CTRLPainter.js 查看文件

@@ -1,36 +1,88 @@
import Utils from "/app/js/common/Utils.js";
import GlobalEvents from "/app/js/common/EventCaller.js";

import Input from "/app/js/ui/Input.js";

import NESTile from "/app/js/models/NESTile.js";
import NESBank from "/app/js/models/NESBank.js";


const EL_CANVAS_ID = "painter";


/* --------------------------------------------------------------------
* Univeral data and functions.
------------------------------------------------------------------- */

var canvas = null;
var context = null;

// Handling window resize events...
var HANDLE_Resize = Utils.debounce(function(e){
if (canvas !== null){
var w = canvas.clientWidth;
var h = canvas.clientHeight;
canvas.width = w;
canvas.height = h;
}
}, 250);
window.addEventListener("resize", HANDLE_Resize);


// Setting-up Input controls.
var input = new Input();
input.preventDefaults = true;

// Mouse handling...
/*input.listen("mousemove", handle_mouseevent);
input.listen("mousedown", handle_mouseevent);
input.listen("mouseup", handle_mouseevent);
input.listen("mouseclick", handle_mouseclickevent);
*/


/* --------------------------------------------------------------------
* CTRLPainter
* Actual controlling class.
------------------------------------------------------------------- */

// For reference...
// https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/stroke
class CTRLPainter {
constructor(){
this.__canvas = null;
this.__context = null;
this.__scale = 1.0; // This is the scale the painter will display source information.
this.__offset = [0.0, 0.0]; // This is the X,Y offset from origin to display source information.
this.__onePaletteMode = true; // If true, ALL tiles will be drawing using the same palette.

this.__brushSize = 1;
this.__brushColor = 0;
this.__brushPalette = 0;

this.__surface = null;

var self = this;

this.__canvas = document.getElementById(EL_CANVAS_ID);
if (!this.__canvas)
throw new Error("Failed to obtain the canvas element.");
this.__context = this.__canvas.getContext("2d");
if (!this.__context)
throw new Error("Failed to obtain canvas context.");

//var imgdata = this.__context.getImageData();
var handle_resize = Utils.debounce((function(e){
console.log("DEBOUNCED");
console.log(e);
var w = this.__canvas.clientWidth;
var h = this.__canvas.clientHeight;
this.__canvas.width = w;
this.__canvas.height = h;
console.log(this.__canvas.width + ", " + this.__canvas.height);
console.log(this.__canvas.clientWidth + ", " + this.__canvas.clientHeight);
}).bind(this), 250);
window.addEventListener("resize", handle_resize);
var handle_change_surface = (function(surf){
if (!(surf instanceof ISurface)){
console.log("WARNING: Attempted to set painter to non-surface instance.");
return;
}
this.__surface = surf;
// TODO: Call a rerender
}).bind(this);
GlobalEvents.listen("change_surface", handle_change_surface);

var handle_color_change = (function(pi, ci){
this.__brushPalette = pi;
this.__brushColor = ci;
}).bind(this);
GlobalEvents.listen("active_palette_color", handle_color_change);
}

get onePaletteMode(){return this.__onePaletteMode;}
set onePaletteMode(e){
this.__onePaletteMode = (e === true);
// TODO: Call a rerender.
}

get scale(){
@@ -43,6 +95,18 @@ class CTRLPainter {
this.__scale = Math.max(0.1, Math.min(100.0, s));
}

initialize(){
if (canvas === null){
canvas = document.getElementById(EL_CANVAS_ID);
if (!canvas)
throw new Error("Failed to obtain the canvas element.");
context = canvas.getContext("2d");
if (!context)
throw new Error("Failed to obtain canvas context.");
input.mouseTargetElement = canvas;
}
}

scale_up(amount=1){
this.scale = this.scale + (amount*0.1);
}

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