added texthscale support

This commit is contained in:
sbarman 2011-07-22 17:05:04 -07:00
parent c58aa5f232
commit 47dcd1f94b

22
pdf.js
View File

@ -3448,7 +3448,7 @@ var EvalState = (function() {
// Character and word spacing
this.charSpace = 0;
this.wordSpace = 0;
this.textHScale = 100;
this.textHScale = 1;
// Color spaces
this.fillColorSpace = null;
this.strokeColorSpace = null;
@ -3866,7 +3866,7 @@ var CanvasExtraState = (function() {
// Character and word spacing
this.charSpace = 0;
this.wordSpace = 0;
this.textHScale = 100;
this.textHScale = 1;
// Color spaces
this.fillColorSpaceObj = null;
this.strokeColorSpaceObj = null;
@ -4120,7 +4120,7 @@ var CanvasGraphics = (function() {
this.current.wordSpacing = spacing;
},
setHScale: function(scale) {
this.current.textHScale = (scale % 100) * 0.01;
this.current.textHScale = scale / 100;
},
setLeading: function(leading) {
this.current.leading = leading;
@ -4198,12 +4198,12 @@ var CanvasGraphics = (function() {
ctx.translate(current.x, -1 * current.y);
var scaleFactor = 1;
var scaleFactorX = 1, scaleFactorY = 1;
var font = this.current.font;
if (font) {
if (this.current.fontSize < kRasterizerMin) {
scaleFactor = 1 / kScalePrecision;
ctx.scale(scaleFactor, scaleFactor);
scaleFactorX = scaleFactorY = kScalePrecision;
ctx.scale(1 / scaleFactorX, 1 / scaleFactorY);
}
ctx.transform.apply(ctx, font.textMatrix);
text = font.charsToUnicode(text);
@ -4213,9 +4213,9 @@ var CanvasGraphics = (function() {
var wordSpacing = current.wordSpacing;
var textHScale = current.textHScale;
if (charSpacing || wordSpacing || textHScale) {
charSpacing = charSpacing || 0;
wordSpacing = wordSpacing || 0;
if (charSpacing != 0 || wordSpacing != 0 || textHScale != 1) {
scaleFactorX *= textHScale;
ctx.scale(1 / textHScale, 1);
var width = 0;
for (var i = 0, ii = text.length; i < ii; ++i) {
@ -4225,7 +4225,7 @@ var CanvasGraphics = (function() {
if (c.charCodeAt(0) == 32)
charWidth += wordSpacing;
ctx.translate(charWidth / scaleFactor, 0);
ctx.translate(charWidth * scaleFactorX, 0);
width += charWidth;
}
current.x += width;
@ -4243,7 +4243,7 @@ var CanvasGraphics = (function() {
if (this.ctx.$addCurrentX) {
this.ctx.$addCurrentX(-e * 0.001 * this.current.fontSize);
} else {
this.current.x -= e * 0.001 * this.current.fontSize;
this.current.x -= e * 0.001 * this.current.fontSize * this.current.textHScale;
}
} else if (IsString(e)) {
this.showText(e);