Finally fixed friggin canvas trimming

Proper history management must still be implemented.
This commit is contained in:
unsettledgames 2020-09-27 13:08:48 +02:00
parent c2bf2fe131
commit c7cacc37ca
2 changed files with 49 additions and 20 deletions

View File

@ -189,7 +189,5 @@ function getPixelPosition(index) {
let x = linearIndex % layers[0].canvasSize[0];
let y = Math.floor(linearIndex / layers[0].canvasSize[0]);
console.log("pos: " + x + ", " + y);
return [Math.round(x), Math.round(y)];
return [Math.ceil(x), Math.ceil(y)];
}

View File

@ -60,14 +60,14 @@ function rcChangedSize(event) {
borders.bottom = bottom;
}
function resizeCanvas(event, size) {
function resizeCanvas(event, size, customData) {
let imageDatas = [];
let leftOffset = 0;
let topOffset = 0;
let copiedDataIndex = 0;
// If I'm undoing, I manually put the values in the window
if (size !== undefined) {
if (size != null) {
document.getElementById("rc-width").value = size.x;
document.getElementById("rc-height").value = size.y;
@ -154,10 +154,18 @@ function resizeCanvas(event, size) {
console.log('Pivot does not exist, please report an issue at https://github.com/lospec/pixel-editor');
break;
}
for (let i=0; i<layers.length; i++) {
if (layers[i].menuEntry != null) {
layers[i].context.putImageData(imageDatas[copiedDataIndex], leftOffset, topOffset);
if (customData == undefined) {
layers[i].context.putImageData(imageDatas[copiedDataIndex], leftOffset, topOffset);
}
else {
console.log("sgancio " + layers[i].canvasSize + ", [" +
customData[copiedDataIndex].width + "," + customData[copiedDataIndex].height
+ "]");
layers[i].context.putImageData(customData[copiedDataIndex], 0, 0);
}
layers[i].updateLayerPreview();
copiedDataIndex++;
}
@ -171,48 +179,71 @@ function trimCanvas() {
let minX = Infinity;
let maxX = -Infinity;
let maxY = -Infinity;
let tmp;
let imageDatas = [];
rcPivot = "middle";
console.log("trimmo");
rcPivot = "topleft";
console.log("debug");
for (let i=1; i<nAppLayers; i++) {
for (let i=1; i<layers.length - nAppLayers; i++) {
let imageData = layers[i].context.getImageData(0, 0, layers[0].canvasSize[0], layers[0].canvasSize[1]);
let pixelPosition;
for (let i=0; i<imageData.data.length; i+=4) {
for (let i=imageData.data.length - 1; i>= 0; i-=4) {
if (!isPixelEmpty(
[imageData.data[i], imageData.data[i + 1],
-imageData.data[i + 2], imageData.data[i + 3]])) {
[imageData.data[i - 3], imageData.data[i - 2],
-imageData.data[i - 1], imageData.data[i]])) {
pixelPosition = getPixelPosition(i);
// max x
if (pixelPosition[0] > maxX) {
maxX = pixelPosition[0];
}
else if (pixelPosition[0] < minX) {
// min x
if (pixelPosition[0] < minX) {
minX = pixelPosition[0];
}
// max y
if (pixelPosition[1] > maxY) {
maxY = pixelPosition[1];
}
else if (pixelPosition[1] < minY) {
// min y
if (pixelPosition[1] < minY) {
minY = pixelPosition[1];
}
}
}
}
borders.right = maxX - layers[0].canvasSize[0];
tmp = minY;
minY = maxY;
maxY = tmp;
minY = layers[0].canvasSize[1] - minY;
maxY = layers[0].canvasSize[1] - maxY;
borders.right = (maxX - layers[0].canvasSize[0]) + 1;
borders.left = -minX;
borders.top = maxY - layers[0].canvasSize[1];
borders.bottom = minY;
borders.top = maxY - layers[0].canvasSize[1] + 1;
borders.bottom = -minY;
// Saving the data
for (let i=0; i<layers.length; i++) {
if (layers[i].menuEntry != null) {
console.log(`Rect: ${minX} ${maxY}, ${maxX - minX}, ${maxY - minY}`);
imageDatas.push(layers[i].context.getImageData(minX - 1, layers[i].canvasSize[1] - maxY, maxX-minX + 1, maxY-minY + 1));
}
}
console.log(imageDatas);
//console.log("sx: " + borders.left + "dx: " + borders.right + "top: " + borders.top + "btm: " + borders.bottom);
document.getElementById("rc-border-left").value = borders.left;
document.getElementById("rc-border-right").value = borders.right;
document.getElementById("rc-border-top").value = borders.top;
document.getElementById("rc-border-bottom").value = borders.bottom;
resizeCanvas(null);
resizeCanvas(null, null, imageDatas.slice());
}
function rcUpdateBorders() {