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Code Issues Releases Wiki Activity

Slight improvements to bitmap editor

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This commit is contained in:
Jeremy Ruston 2012-04-01 11:49:32 +01:00
parent 3126a15758
commit cab5c88d3a
2 changed files with 41 additions and 8 deletions
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42
js/macros/edit.js
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@ -17,7 +17,9 @@ function BitmapEditor(macroNode) {
}
BitmapEditor.prototype.getContent = function() {
return [Renderer.ElementNode("canvas",{},[])];
return [Renderer.ElementNode("canvas",{
"class": ["tw-edit-field"]
},[])];
};
BitmapEditor.prototype.renderInDom = function() {
@ -36,13 +38,14 @@ BitmapEditor.prototype.addEventHandlers = function() {
var self = this;
this.macroNode.domNode.addEventListener("touchstart",function(event) {
self.brushDown = true;
self.strokeStart(event.touches[0].clientX,event.touches[0].clientY);
event.preventDefault();
event.stopPropagation();
return false;
},false);
this.macroNode.domNode.addEventListener("touchmove",function(event) {
if(self.brushDown) {
self.moveTo(event.touches[0].clientX,event.touches[0].clientY);
self.strokeMove(event.touches[0].clientX,event.touches[0].clientY);
}
event.preventDefault();
event.stopPropagation();
@ -51,6 +54,7 @@ BitmapEditor.prototype.addEventHandlers = function() {
this.macroNode.domNode.addEventListener("touchend",function(event) {
if(self.brushDown) {
self.brushDown = false;
self.strokeEnd();
self.saveChanges();
}
event.preventDefault();
@ -58,13 +62,16 @@ BitmapEditor.prototype.addEventHandlers = function() {
return false;
},false);
this.macroNode.domNode.addEventListener("mousedown",function(event) {
self.strokeStart(event.clientX,event.clientY);
self.brushDown = true;
event.preventDefault();
event.stopPropagation();
return false;
},false);
this.macroNode.domNode.addEventListener("mousemove",function(event) {
if(self.brushDown) {
self.moveTo(event.clientX,event.clientY);
self.strokeMove(event.clientX,event.clientY);
event.preventDefault();
event.stopPropagation();
return false;
}
@ -72,7 +79,9 @@ BitmapEditor.prototype.addEventHandlers = function() {
this.macroNode.domNode.addEventListener("mouseup",function(event) {
if(self.brushDown) {
self.brushDown = false;
self.strokeEnd();
self.saveChanges();
event.preventDefault();
event.stopPropagation();
return false;
}
@ -80,14 +89,31 @@ BitmapEditor.prototype.addEventHandlers = function() {
},false);
};
BitmapEditor.prototype.moveTo = function(x,y) {
BitmapEditor.prototype.strokeStart = function(x,y) {
var canvas = this.macroNode.content[0].domNode,
canvasRect = canvas.getBoundingClientRect(),
ctx = canvas.getContext("2d");
ctx.beginPath();
ctx.arc(x - canvasRect.left,y - canvasRect.top,10,0,Math.PI*2,false);
ctx.fill();
ctx.closePath();
this.startX = x - canvasRect.left;
this.startY = y - canvasRect.top;
// ctx.beginPath();
ctx.moveTo(this.startX,this.startY);
};
BitmapEditor.prototype.strokeMove = function(x,y) {
var canvas = this.macroNode.content[0].domNode,
canvasRect = canvas.getBoundingClientRect(),
ctx = canvas.getContext("2d");
ctx.lineWidth = 2;
ctx.lineCap = "round";
ctx.lineJoin = "round";
this.startX = x - canvasRect.left;
this.startY = y - canvasRect.top;
ctx.lineTo(this.startX,this.startY);
ctx.stroke();
};
BitmapEditor.prototype.strokeEnd = function() {
};
BitmapEditor.prototype.saveChanges = function() {

7
tiddlywiki5/shadows/css/styles.css
View File

@ -17,6 +17,13 @@ body {
border: 1px dotted #888;
}
canvas.tw-edit-field {
cursor: crosshair;
-moz-user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
}
img {
max-width: 100%;
}