Sakurai/pdf.js
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Merge pull request #905 from notmasteryet/issue-886b

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Fixing missing text (#886)
This commit is contained in:
Artur Adib 2011-12-07 10:11:46 -08:00
commit 9ea8668dcb
3 changed files with 23 additions and 6 deletions
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19
src/fonts.js
View File

@ -884,6 +884,13 @@ var Font = (function Font() {
String.fromCharCode(value & 0xff);
};
function safeString16(value) {
// clamp value to the 16-bit int range
value = value > 0x7FFF ? 0x7FFF : value < -0x8000 ? -0x8000 : value;
return String.fromCharCode((value >> 8) & 0xff) +
String.fromCharCode(value & 0xff);
};
function string32(value) {
return String.fromCharCode((value >> 24) & 0xff) +
String.fromCharCode((value >> 16) & 0xff) +
@ -1903,9 +1910,9 @@ var Font = (function Font() {
'\x00\x00\x00\x00\x9e\x0b\x7e\x27' + // creation date
'\x00\x00\x00\x00\x9e\x0b\x7e\x27' + // modifification date
'\x00\x00' + // xMin
string16(properties.descent) + // yMin
safeString16(properties.descent) + // yMin
'\x0F\xFF' + // xMax
string16(properties.ascent) + // yMax
safeString16(properties.ascent) + // yMax
string16(properties.italicAngle ? 2 : 0) + // macStyle
'\x00\x11' + // lowestRecPPEM
'\x00\x00' + // fontDirectionHint
@ -1917,15 +1924,15 @@ var Font = (function Font() {
'hhea': (function fontFieldsHhea() {
return stringToArray(
'\x00\x01\x00\x00' + // Version number
string16(properties.ascent) + // Typographic Ascent
string16(properties.descent) + // Typographic Descent
safeString16(properties.ascent) + // Typographic Ascent
safeString16(properties.descent) + // Typographic Descent
'\x00\x00' + // Line Gap
'\xFF\xFF' + // advanceWidthMax
'\x00\x00' + // minLeftSidebearing
'\x00\x00' + // minRightSidebearing
'\x00\x00' + // xMaxExtent
string16(properties.capHeight) + // caretSlopeRise
string16(Math.tan(properties.italicAngle) *
safeString16(properties.capHeight) + // caretSlopeRise
safeString16(Math.tan(properties.italicAngle) *
properties.xHeight) + // caretSlopeRun
'\x00\x00' + // caretOffset
'\x00\x00' + // -reserved-

1
test/pdfs/geothermal.pdf.link Normal file
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@ -0,0 +1 @@
http://geothermal.inel.gov/publications/future_of_geothermal_energy.pdf

9
test/test_manifest.json
View File

@ -302,5 +302,14 @@
"link": true,
"rounds": 1,
"type": "eq"
},
{ "id": "geothermal.pdf",
"file": "pdfs/geothermal.pdf",
"md5": "ecffc0ce38ffdf1e90dc952f186e9a91",
"rounds": 1,
"link": true,
"pageLimit": 5,
"skipPages": [1],
"type": "eq"
}
]