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Implement alpha premultiplication (#507)

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* Implement alpha premultiplication

* Add benchmark to resize

* Only display "Premultiply alpha" if it's one of the rust resize types.

* Add comment about division by zero
This commit is contained in:
Surma
2019-03-08 11:18:59 +00:00
committed by Jake Archibald
parent d29cf2ffa7
commit 45221c0b03
12 changed files with 127 additions and 35 deletions
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5
codecs/resize/pkg/resize.js
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@@ -46,13 +46,14 @@
* @param {number} arg3
* @param {number} arg4
* @param {number} arg5
* @param {boolean} arg6
* @returns {Uint8Array}
*/
__exports.resize = function(arg0, arg1, arg2, arg3, arg4, arg5) {
__exports.resize = function(arg0, arg1, arg2, arg3, arg4, arg5, arg6) {
const ptr0 = passArray8ToWasm(arg0);
const len0 = WASM_VECTOR_LEN;
const retptr = globalArgumentPtr();
wasm.resize(retptr, ptr0, len0, arg1, arg2, arg3, arg4, arg5);
wasm.resize(retptr, ptr0, len0, arg1, arg2, arg3, arg4, arg5, arg6);
const mem = getUint32Memory();
const rustptr = mem[retptr / 4];
const rustlen = mem[retptr / 4 + 1];