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Fix up late patches to pdf.js and web/compatibility.js.

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This commit is contained in:
Rob Sayre 2011-07-05 23:55:40 -07:00
parent ebeff10a9a
commit 699c91b0aa
2 changed files with 43 additions and 40 deletions
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22
pdf.js
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@ -3764,7 +3764,7 @@ var CanvasGraphics = (function() {
transform: function(a, b, c, d, e, f) {
this.ctx.transform(a, b, c, d, e, f);
},
// Path
moveTo: function(x, y) {
this.ctx.moveTo(x, y);
@ -3825,7 +3825,7 @@ var CanvasGraphics = (function() {
endPath: function() {
this.consumePath();
},
// Clipping
clip: function() {
this.pendingClip = NORMAL_CLIP;
@ -3833,7 +3833,7 @@ var CanvasGraphics = (function() {
eoClip: function() {
this.pendingClip = EO_CLIP;
},
// Text
beginText: function() {
this.current.textMatrix = IDENTITY_MATRIX;
@ -3858,27 +3858,27 @@ var CanvasGraphics = (function() {
this.current.leading = leading;
},
setFont: function(fontRef, size) {
var font = this.xref.fetchIfRef(this.res.get("Font"));
var font = this.xref.fetchIfRef(this.res.get('Font'));
if (!IsDict(font))
return;
font = font.get(fontRef.name);
font = this.xref.fetchIfRef(font);
if (!font)
return;
var fontName = "";
var fontDescriptor = font.get("FontDescriptor");
var fontName = '';
var fontDescriptor = font.get('FontDescriptor');
if (fontDescriptor && fontDescriptor.num) {
var fontDescriptor = this.xref.fetchIfRef(fontDescriptor);
fontName = fontDescriptor.get("FontName").name.replace("+", "_");
fontName = fontDescriptor.get('FontName').name.replace('+', '_');
}
if (!fontName) {
// TODO: fontDescriptor is not available, fallback to default font
fontName = 'sans-serif';
}
this.current.fontName = fontName;
this.current.fontSize = size;

61
web/compatibility.js
View File

@ -3,7 +3,7 @@
// Checking if the typed arrays are supported
(function() {
if (typeof Uint8Array !== "undefined")
if (typeof Uint8Array !== 'undefined')
return;
function subarray(start, end) {
@ -18,7 +18,7 @@
function TypedArray(arg1) {
var result;
if (typeof arg1 === "number") {
if (typeof arg1 === 'number') {
result = new Array(arg1);
for (var i = 0; i < arg1; ++i)
result[i] = 0;
@ -28,23 +28,23 @@
result.buffer = result;
result.byteLength = result.length;
result.set = set_;
if (typeof arg1 === "object" && arg1.buffer)
if (typeof arg1 === 'object' && arg1.buffer)
result.buffer = arg1.buffer;
return result;
}
window.Uint8Array = TypedArray;
// we don't need support for set, byteLength for 32-bit array
// so we can use the TypedArray as well
// so we can use the TypedArray as well
window.Uint32Array = TypedArray;
window.Int32Array = TypedArray;
})();
// Object.create() ?
(function() {
if (typeof Object.create !== "undefined")
if (typeof Object.create !== 'undefined')
return;
Object.create = function(proto) {
@ -56,16 +56,16 @@
// Object.defineProperty() ?
(function() {
if (typeof Object.defineProperty !== "undefined")
if (typeof Object.defineProperty !== 'undefined')
return;
Object.defineProperty = function(obj, name, def) {
delete obj[name];
if ("get" in def)
obj.__defineGetter__(name, def["get"]);
if ("set" in def)
obj.__defineSetter__(name, def["set"]);
if ("value" in def) {
if ('get' in def)
obj.__defineGetter__(name, def['get']);
if ('set' in def)
obj.__defineSetter__(name, def['set']);
if ('value' in def) {
obj.__defineSetter__(name, function(value) {
this.__defineGetter__(name, function() {
return value;
@ -80,16 +80,16 @@
// No XMLHttpRequest.response ?
(function() {
var xhrPrototype = XMLHttpRequest.prototype;
if ("response" in xhrPrototype ||
"mozResponseArrayBuffer" in xhrPrototype ||
"mozResponse" in xhrPrototype ||
"responseArrayBuffer" in xhrPrototype)
if ('response' in xhrPrototype ||
'mozResponseArrayBuffer' in xhrPrototype ||
'mozResponse' in xhrPrototype ||
'responseArrayBuffer' in xhrPrototype)
return;
// IE ?
if (typeof VBArray !== "undefined") {
Object.defineProperty(xhrPrototype, "response", {
if (typeof VBArray !== 'undefined') {
Object.defineProperty(xhrPrototype, 'response', {
get: function() {
return new Uint8Array( new VBArray(this.responseBody).toArray() );
return new Uint8Array(new VBArray(this.responseBody).toArray());
}
});
return;
@ -98,10 +98,11 @@
// other browsers
function responseTypeSetter() {
// will be only called to set "arraybuffer"
this.overrideMimeType("text/plain; charset=x-user-defined");
this.overrideMimeType('text/plain; charset=x-user-defined');
}
if (typeof xhrPrototype.overrideMimeType === "function") {
Object.defineProperty(xhrPrototype, "responseType", { set: responseTypeSetter });
if (typeof xhrPrototype.overrideMimeType === 'function') {
Object.defineProperty(xhrPrototype, 'responseType',
{ set: responseTypeSetter });
}
function responseGetter() {
var text = this.responseText;
@ -111,18 +112,19 @@
result[i] = text.charCodeAt(i) & 0xFF;
return result;
}
Object.defineProperty(xhrPrototype, "response", { get: responseGetter });
Object.defineProperty(xhrPrototype, 'response', { get: responseGetter });
})();
// window.btoa (base64 encode function) ?
(function() {
if ("btoa" in window)
if ('btoa' in window)
return;
var digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
var digits =
'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
window.btoa = function(chars) {
var buffer = "";
var buffer = '';
var i, n;
for (i = 0, n = chars.length; i < n; i += 3) {
var b1 = chars.charCodeAt(i) & 0xFF;
@ -131,15 +133,16 @@
var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4);
var d3 = i + 1 < n ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64;
var d4 = i + 2 < n ? (b3 & 0x3F) : 64;
buffer += digits.charAt(d1) + digits.charAt(d2) + digits.charAt(d3) + digits.charAt(d4);
buffer += (digits.charAt(d1) + digits.charAt(d2) +
digits.charAt(d3) + digits.charAt(d4));
}
return buffer;
};
};
})();
// Function.prototype.bind ?
(function() {
if (typeof Function.prototype.bind !== "undefined")
if (typeof Function.prototype.bind !== 'undefined')
return;
Function.prototype.bind = function(obj) {