Sakurai/pdf.js
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implement TL and T*

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This commit is contained in:
Chris Jones 2011-06-09 18:19:17 -07:00
parent fa4c34ad06
commit 78d0b3caf1
2 changed files with 11 additions and 1 deletions
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9
pdf.js
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@ -1547,6 +1547,7 @@ var CanvasExtraState = (function() {
this.alphaIsShape = false;
this.fontSize = 0.0;
this.textMatrix = IDENTITY_MATRIX;
this.leading = 0.0;
// Current point (in user coordinates)
this.x = 0.0;
this.y = 0.0;
@ -1600,9 +1601,11 @@ var CanvasGraphics = (function() {
// Text
BT: this.beginText,
ET: this.endText,
TL: this.setLeading,
Tf: this.setFont,
Td: this.moveText,
Tm: this.setTextMatrix,
"T*": this.nextLine,
Tj: this.showText,
TJ: this.showSpacedText,
@ -1774,6 +1777,9 @@ var CanvasGraphics = (function() {
},
endText: function() {
},
setLeading: function(leading) {
this.current.leading = leading;
},
setFont: function(fontRef, size) {
var fontRes = this.res.get("Font");
if (!fontRes)
@ -1795,6 +1801,9 @@ var CanvasGraphics = (function() {
this.current.x = this.current.lineX = 0;
this.current.y = this.current.lineY = 0;
},
nextLine: function() {
this.moveText(0, this.current.leading);
},
showText: function(text) {
this.ctx.save();
this.ctx.translate(0, 2 * this.current.y);

3
test.html
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@ -52,7 +52,8 @@ function load() {
pageDisplay = document.getElementById("pageNumber");
infoDisplay = document.getElementById("info");
pageNum = parseInt(queryParams().page) || 1;
open("compressed.tracemonkey-pldi-09.pdf");
// open("compressed.tracemonkey-pldi-09.pdf");
open("compressed.canvas.pdf");
}
function open(url) {