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added g5 preview to file editor

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This commit is contained in:
Nic Limper
2024-12-07 22:25:23 +01:00
parent a48511145c
commit 2e38e9f218
1 changed files with 11 additions and 1 deletions
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12
ESP32_AP-Flasher/wwwroot/edit.html
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@@ -425,7 +425,7 @@
const canvas = $('#previewimg');
canvas.style.display = 'block';
fetch(path)
fetch(path + "?r=" + Math.random())
.then(response => response.arrayBuffer())
.then(buffer => {
@@ -433,6 +433,16 @@
if (tagTypes[hwtype].zlib > 0 && targetDiv.dataset.ver >= tagTypes[hwtype].zlib) {
data = window.opener.processZlib(data);
}
if (data.length > 0 && tagTypes[hwtype].g5 > 0 && targetDiv.dataset.ver >= tagTypes[hwtype].g5) {
const headerSize = data[0];
let bufw = (data[2] << 8) | data[1];
let bufh = (data[4] << 8) | data[3];
if ((bufw == tagTypes[hwtype].width || bufw == tagTypes[hwtype].height) && (bufh == tagTypes[hwtype].width || bufh == tagTypes[hwtype].height) && (data[5] <= 3)) {
// valid header for g5 compression
if (data[5] == 2) bufh *= 2;
data = window.opener.processG5(data.subarray(headerSize), bufw, bufh);
}
}
[canvas.width, canvas.height] = [tagTypes[hwtype].width, tagTypes[hwtype].height] || [0, 0];
if (tagTypes[hwtype].rotatebuffer%2) [canvas.width, canvas.height] = [canvas.height, canvas.width];