Sakurai/pdf.js
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Manually hoist constant to avoid building it on each method invocation

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This commit is contained in:
Chris Jones 2011-05-04 21:31:46 -05:00
parent a1faf7105f
commit 10c7ea0770
1 changed files with 51 additions and 52 deletions
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103
pdf.js
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@ -653,6 +653,57 @@ var Interpreter = (function() {
}
const MAX_ARGS = 33;
const CMD_TABLE = {
// Graphics state
"w" : { fn: "setLineWidth",
params: [ "Num" ] },
"d" : { fn: "setDash",
params: [ "Array", "Num" ] },
"q" : { fn: "save",
params: [ ] },
"Q" : { fn: "restore",
params: [ ] },
// Path
"m" : { fn: "moveTo",
params: [ "Num", "Num" ] },
"l" : { fn: "lineTo",
params: [ "Num", "Num" ] },
"c" : { fn: "curveTo",
params: [ "Num", "Num", "Num", "Num", "Num", "Num" ] },
"re": { fn: "rectangle",
params: [ "Num", "Num", "Num", "Num" ] },
"S" : { fn: "stroke",
params: [ ] },
"B" : { fn: "fillStroke",
params: [ ] },
"b" : { fn: "closeFillStroke",
params: [ ] },
// Clipping
// Text
"BT": { fn: "beginText",
params: [ ] },
"ET": { fn: "endText",
params: [ ] },
"Tf": { fn: "setFont",
params: [ "Name", "Num" ] },
"Td": { fn: "moveText",
params: [ "Num", "Num" ] },
"Tj": { fn: "showText",
params: [ "String" ] },
// Type3 fonts
// Color
"g" : { fn: "setFillGray",
params: [ "Num" ] },
"RG": { fn: "setStrokeRGBColor",
params: [ "Num", "Num", "Num" ] },
"rg": { fn: "setFillRGBColor",
params: [ "Num", "Num", "Num" ] },
// Shading
// Images
// XObjects
// Marked content
// Compatibility
};
constructor.prototype = {
interpret: function(obj) {
@ -681,58 +732,6 @@ var Interpreter = (function() {
args.map(function(o) o.lowerToJS()));
},
getAndCheckCmd: function(cmdObj, args) {
const CMD_TABLE = {
// Graphics state
"w" : { fn: "setLineWidth",
params: [ "Num" ] },
"d" : { fn: "setDash",
params: [ "Array", "Num" ] },
"q" : { fn: "save",
params: [ ] },
"Q" : { fn: "restore",
params: [ ] },
// Path
"m" : { fn: "moveTo",
params: [ "Num", "Num" ] },
"l" : { fn: "lineTo",
params: [ "Num", "Num" ] },
"c" : { fn: "curveTo",
params: [ "Num", "Num", "Num", "Num", "Num", "Num" ] },
"re": { fn: "rectangle",
params: [ "Num", "Num", "Num", "Num" ] },
"S" : { fn: "stroke",
params: [ ] },
"B" : { fn: "fillStroke",
params: [ ] },
"b" : { fn: "closeFillStroke",
params: [ ] },
// Clipping
// Text
"BT": { fn: "beginText",
params: [ ] },
"ET": { fn: "endText",
params: [ ] },
"Tf": { fn: "setFont",
params: [ "Name", "Num" ] },
"Td": { fn: "moveText",
params: [ "Num", "Num" ] },
"Tj": { fn: "showText",
params: [ "String" ] },
// Type3 fonts
// Color
"g" : { fn: "setFillGray",
params: [ "Num" ] },
"RG": { fn: "setStrokeRGBColor",
params: [ "Num", "Num", "Num" ] },
"rg": { fn: "setFillRGBColor",
params: [ "Num", "Num", "Num" ] },
// Shading
// Images
// XObjects
// Marked content
// Compatibility
};
var cmdName = cmdObj.value
var cmd = CMD_TABLE[cmdName];
if (!cmd) {