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check for transparency in hat transparency-bounding-box for avatars, fixes #117

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jomo 2016-02-02 23:57:40 +01:00
parent f920811405
commit f2dda3b939
1 changed files with 47 additions and 23 deletions
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70
lib/skins.js
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@ -43,37 +43,61 @@ exp.extract_helm = function(rid, facefile, buffer, outname, callback) {
if (buf_err) {
callback(buf_err);
} else {
skin_img.crop(40, 8, 47, 15, function(crop_err, helm_img) {
if (crop_err) {
callback(crop_err);
} else {
face_img.paste(0, 0, helm_img, function(img_err, face_helm_img) {
if (img_err) {
callback(img_err);
// crop to hat transparency-bounding-box
skin_img.crop(32, 0, 63, 31, function(area_err, helm_area) {
if (area_err) {
callback(area_err);
} else {
/* eslint-disable no-labels */
var is_opaque = true;
if (skin_img.__trans) { // eslint-disable-line no-underscore-dangle
xloop:
for (var x = 0; x < helm_area.width(); x++) {
for (var y = 0; y < helm_area.height(); y++) {
// check if transparency-bounding-box has transparency
if (helm_area.getPixel(x, y).a !== 100) {
is_opaque = false;
break xloop;
}
}
}
/* eslint-enable no-labels */
} else {
if (!skin_img.__trans) {
logging.debug(rid, "Skin is not transparent, skipping helm!");
callback(null);
is_opaque = true;
}
skin_img.crop(8, 8, 15, 15, function(crop_err, helm_img) {
if (crop_err) {
callback(crop_err);
} else {
face_helm_img.toBuffer("png", {compression: "none"}, function(buf_err2, face_helm_buffer) {
if (buf_err2) {
callback(buf_err2);
face_img.paste(0, 0, helm_img, function(img_err, face_helm_img) {
if (img_err) {
callback(img_err);
} else {
if (face_helm_buffer.toString() !== face_buffer.toString()) {
face_helm_img.writeFile(outname, function(write_err) {
callback(write_err);
});
} else {
logging.debug(rid, "helm img == face img, not storing!");
if (is_opaque) {
logging.debug(rid, "Skin is not transparent, skipping helm!");
callback(null);
} else {
face_helm_img.toBuffer("png", {compression: "none"}, function(buf_err2, face_helm_buffer) {
if (buf_err2) {
callback(buf_err2);
} else {
if (face_helm_buffer.toString() !== face_buffer.toString()) {
face_helm_img.writeFile(outname, function(write_err) {
callback(write_err);
});
} else {
logging.debug(rid, "helm img == face img, not storing!");
callback(null);
}
}
});
}
}
});
}
}
});
}
});
});
}
});
}
});
}