ce82ff7e2b
* Add psd preview support * Adding required vendor files * Adding oov/psd license to NOTICE.txt file * Adding the license notice for gopherjs to the NOTICE.txt Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
42 строки
1.3 KiB
JavaScript
42 строки
1.3 KiB
JavaScript
$global['$github.com/oov/psd$'] = {
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decodePackBitsLines: function(buf, lines, large) {
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var r = new Uint32Array(lines);
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var lens = new DataView(buf.buffer);
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if (large) {
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for (var i = 0; i < lines; ++i) {
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r[i] = lens.getUint32(i << 2, false);
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}
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} else {
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for (var i = 0; i < lines; ++i) {
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r[i] = lens.getUint16(i << 1, false);
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}
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}
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return r;
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},
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decodePackBits: function(dest, buf, lens) {
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var ofs = 0,
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d = 0;
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for (var i = 0; i < lens.length; ++i) {
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for (var j = 0, ln = lens[i]; j < ln;) {
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if (buf[ofs] <= 0x7f) {
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var l = buf[ofs++] + 1;
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for (var k = 0; k < l; ++k) {
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dest[d++] = buf[ofs++];
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}
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j += l + 1;
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continue;
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}
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if (buf[ofs] == 0x80) {
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ofs++;
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continue;
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}
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for (var k = 0, l = 256 - buf[ofs++] + 1, c = buf[ofs++]; k < l; ++k) {
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dest[d++] = c;
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}
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j += 2;
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}
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}
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return true;
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}
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}
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