Sakurai/pdf.js
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reset current point on text state changes and remove redundant "cur" prefix

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Chris Jones 2011-05-23 21:22:56 +12:00
parent 4e57061d84
commit c79cb83d52
1 changed files with 20 additions and 11 deletions
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31
pdf.js
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@ -2032,8 +2032,8 @@ var CanvasExtraState = (function() {
this.fontSize = 0.0;
this.textMatrix = IDENTITY_MATRIX;
// Current point (in user coordinates)
this.curX = 0.0;
this.curY = 0.0;
this.x = 0.0;
this.y = 0.0;
// Start of text line (in text coordinates)
this.lineX = 0.0;
this.lineY = 0.0;
@ -2251,6 +2251,8 @@ var CanvasGraphics = (function() {
// Text
beginText: function() {
this.current.textMatrix = IDENTITY_MATRIX;
this.current.x = this.current.lineX = 0;
this.current.y = this.current.lineY = 0;
},
endText: function() {
},
@ -2262,23 +2264,30 @@ var CanvasGraphics = (function() {
this.ctx.font = this.current.fontSize +'px '+ font.BaseFont;
},
moveText: function (x, y) {
this.current.lineX += x;
this.current.lineY += y;
// TODO transform
this.current.curX = this.current.lineX;
this.current.curY = this.current.lineY;
this.current.x = this.current.lineX += x;
this.current.y = this.current.lineY += y;
},
setTextMatrix: function(a, b, c, d, e, f) {
this.current.textMatrix = [ a, b, c, d, e, f ];
this.current.x = this.current.lineX = 0;
this.current.y = this.current.lineY = 0;
},
showText: function(text) {
if (text == "Figur") {
console.log(" Tm: "+ this.current.textMatrix);
console.log(" cx/cy: "+ this.current.x +"/"+ this.current.y);
}
this.ctx.save();
this.ctx.translate(0, 2 * this.current.curY);
this.ctx.translate(0, 2 * this.current.y);
this.ctx.scale(1, -1);
this.ctx.transform.apply(this.ctx, this.current.textMatrix);
this.ctx.fillText(text, this.current.curX, this.current.curY);
this.current.curX += this.ctx.measureText(text).width;
this.ctx.fillText(text, this.current.x, this.current.y);
this.current.x += this.ctx.measureText(text).width;
this.ctx.restore();
},
@ -2286,7 +2295,7 @@ var CanvasGraphics = (function() {
for (var i = 0; i < arr.length; ++i) {
var e = arr[i];
if (IsNum(e)) {
this.current.curX -= e * 0.001 * this.current.fontSize;
this.current.x -= e * 0.001 * this.current.fontSize;
} else if (IsString(e)) {
this.showText(e);
} else {