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Canvas: Adjust brush size by area

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w-e-w
2024-10-31 20:03:27 +09:00
parent 957888a100
commit 4e808fbef4
2 changed files with 19 additions and 8 deletions
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extensions-builtin/canvas-zoom-and-pan/javascript/zoom.js
+14 -5
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@@ -470,11 +470,20 @@ onUiLoaded(async() => {
if (!withoutValue) {
const maxValue =
parseFloat(input.getAttribute("max")) || 100;
const changeAmount = maxValue * (percentage / 100);
const newValue =
parseFloat(input.value) +
(deltaY > 0 ? -changeAmount : changeAmount);
input.value = Math.min(Math.max(newValue, 0), maxValue);
if (opts.canvas_hotkey_brush_scale === "Radius") {
const changeAmount = maxValue * (percentage / 100);
const newValue =
parseFloat(input.value) +
(deltaY > 0 ? -changeAmount : changeAmount);
input.value = Math.min(Math.max(newValue, 0), maxValue);
} else {
const brush_factor = deltaY > 0 ? 1 - opts.canvas_hotkey_brush_factor : 1 + opts.canvas_hotkey_brush_factor
const currentRadius = parseFloat(input.value);
const currentArea = currentRadius ** 2;
const newArea = currentArea * brush_factor;
const newValue = Math.sqrt(newArea);
input.value = Math.min(Math.max(newValue, 0), maxValue);
}
input.dispatchEvent(new Event("change"));
}
}