AI_Assistant/grid-apps-cmms
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add image import border option

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This commit is contained in:
Stewart Allen 2020-11-27 15:03:25 -05:00
commit 2dff2f3f99
3 changed files with 15 additions and 7 deletions
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2
notes.md
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@ -23,6 +23,8 @@
## `C` cosmetic, `F` functional, `P` performance, `B` bug fix
* `F` image import borders
* `F` mesh / stl export (like w/ images, rotate, scale, future cleanup ops)
* `F` detect and report slow framerates
* `F` right click / context menu (object deletion, etc)
* `P` improve decimation speed by avoiding in/out of Point?

3
src/kiri/main.js
View file

@ -959,6 +959,8 @@
" <th>&nbsp;invert image</th><td><input id='png-inv' type='checkbox'></td></tr>",
" <tr><th>base size</th><td><input id='png-base' value='0' size='3'></td>",
" <th>&nbsp;invert alpha</th><td><input id='alpha-inv' type='checkbox'></td></tr>",
" <tr><th>border size</th><td><input id='png-border' value='0' size='3'></td>",
" <th></th><td></td></tr>",
" </table></div>",
"</div>"
]};
@ -967,6 +969,7 @@
loadImage(image, {
blur: parseInt($('png-blur').value) || 0,
base: parseInt($('png-base').value) || 0,
border: parseInt($('png-border').value) || 0,
inv_image: $('png-inv').checked,
inv_alpha: $('alpha-inv').checked,
});

17
src/kiri/worker.js
View file

@ -256,20 +256,18 @@ KIRI.worker = {
let points =
width * height + // grid
height * 2 + 0 + // left/right
width * 2 + 0 - // top/bottom
0 // base shared corners
;
width * 2 + 0; // top/bottom
let flats =
((height-1) * (width-1)) + // surface
((height-1) * 2) + // left/right
((width-1) * 2) + // top/bottom
1 // base
;
((height-1) * 2) + // left/right
((width-1) * 2) + // top/bottom
1; // base
// convert png to grayscale
let gray = new Uint8Array(width * height);
let gi = 0;
let invi = info.inv_image ? true : false;
let inva = info.inv_alpha ? true : false;
let border = info.border || 0;
for (let y = 0; y < height; y++) {
for (let x = 0; x < width; x++) {
let di = (x + width * y) * 4;
@ -278,6 +276,11 @@ KIRI.worker = {
let b = data[di+2];
let a = data[di+3];
let v = ((r + g + b) / 3);
if (border) {
if (x < border || y < border || x > width-border-1 || y > height-border-1) {
v = 255;
}
}
if (invi) v = 255 - v;
if (inva) a = 255 - a;
v *= (a/255);