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feat: add interactive output area transform handles

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Implemented drag-to-resize functionality for the output area with visual transform handles on corners and edges. Users can now interactively resize the output area by dragging handles instead of using dialogs, with support for grid snapping and aspect ratio preservation.
This commit is contained in:
Dariusz L
2025-08-14 13:54:10 +02:00
parent 7ce7194cbf
commit 0f4f2cb1b0
6 changed files with 495 additions and 161 deletions
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83
js/CanvasView.js
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@@ -234,86 +234,11 @@ async function createCanvasWidget(node, widget, app) {
}),
$el("button.painter-button", {
textContent: "Output Area Size",
title: "Set the size of the output area",
title: "Transform output area - drag handles to resize",
onclick: () => {
const dialog = $el("div.painter-dialog", {
style: {
position: 'fixed',
left: '50%',
top: '50%',
transform: 'translate(-50%, -50%)',
zIndex: '9999'
}
}, [
$el("div", {
style: {
color: "white",
marginBottom: "10px"
}
}, [
$el("label", {
style: {
marginRight: "5px"
}
}, [
$el("span", {}, ["Width: "])
]),
$el("input", {
type: "number",
id: "canvas-width",
value: String(canvas.width),
min: "1",
max: "4096"
})
]),
$el("div", {
style: {
color: "white",
marginBottom: "10px"
}
}, [
$el("label", {
style: {
marginRight: "5px"
}
}, [
$el("span", {}, ["Height: "])
]),
$el("input", {
type: "number",
id: "canvas-height",
value: String(canvas.height),
min: "1",
max: "4096"
})
]),
$el("div", {
style: {
textAlign: "right"
}
}, [
$el("button", {
id: "cancel-size",
textContent: "Cancel"
}),
$el("button", {
id: "confirm-size",
textContent: "OK"
})
])
]);
document.body.appendChild(dialog);
document.getElementById('confirm-size').onclick = () => {
const widthInput = document.getElementById('canvas-width');
const heightInput = document.getElementById('canvas-height');
const width = parseInt(widthInput.value) || canvas.width;
const height = parseInt(heightInput.value) || canvas.height;
canvas.setOutputAreaSize(width, height);
document.body.removeChild(dialog);
};
document.getElementById('cancel-size').onclick = () => {
document.body.removeChild(dialog);
};
// Activate output area transform mode
canvas.canvasInteractions.activateOutputAreaTransform();
showInfoNotification("Click and drag the handles to resize the output area. Click anywhere else to exit.", 3000);
}
}),
$el("button.painter-button.requires-selection", {