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support resizing multiple elements including texts (#1726)

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Co-authored-by: David Luzar <luzar.david@gmail.com>
This commit is contained in:
Daishi Kato 2020-06-08 18:25:20 +09:00 • committed by GitHub
parent ebb1341bbd
commit 53ab46126d
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4 changed files with 192 additions and 195 deletions
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97
src/renderer/renderScene.ts
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@ -16,7 +16,6 @@ import {
handlerRectanglesFromCoords,
handlerRectangles,
getCommonBounds,
canResizeMutlipleElements,
} from "../element";
import { roundRect } from "./roundRect";
@ -372,55 +371,53 @@ export const renderScene = (
});
context.translate(-sceneState.scrollX, -sceneState.scrollY);
} else if (locallySelectedElements.length > 1) {
if (canResizeMutlipleElements(locallySelectedElements)) {
const dashedLinePadding = 4 / sceneState.zoom;
context.translate(sceneState.scrollX, sceneState.scrollY);
context.fillStyle = oc.white;
const [x1, y1, x2, y2] = getCommonBounds(locallySelectedElements);
const initialLineDash = context.getLineDash();
context.setLineDash([2 / sceneState.zoom]);
const lineWidth = context.lineWidth;
context.lineWidth = 1 / sceneState.zoom;
strokeRectWithRotation(
context,
x1 - dashedLinePadding,
y1 - dashedLinePadding,
x2 - x1 + dashedLinePadding * 2,
y2 - y1 + dashedLinePadding * 2,
(x1 + x2) / 2,
(y1 + y2) / 2,
0,
);
context.lineWidth = lineWidth;
context.setLineDash(initialLineDash);
const handlers = handlerRectanglesFromCoords(
[x1, y1, x2, y2],
0,
sceneState.zoom,
undefined,
OMIT_SIDES_FOR_MULTIPLE_ELEMENTS,
);
Object.keys(handlers).forEach((key) => {
const handler = handlers[key as HandlerRectanglesRet];
if (handler !== undefined) {
const lineWidth = context.lineWidth;
context.lineWidth = 1 / sceneState.zoom;
strokeRectWithRotation(
context,
handler[0],
handler[1],
handler[2],
handler[3],
handler[0] + handler[2] / 2,
handler[1] + handler[3] / 2,
0,
true, // fill before stroke
);
context.lineWidth = lineWidth;
}
});
context.translate(-sceneState.scrollX, -sceneState.scrollY);
}
const dashedLinePadding = 4 / sceneState.zoom;
context.translate(sceneState.scrollX, sceneState.scrollY);
context.fillStyle = oc.white;
const [x1, y1, x2, y2] = getCommonBounds(locallySelectedElements);
const initialLineDash = context.getLineDash();
context.setLineDash([2 / sceneState.zoom]);
const lineWidth = context.lineWidth;
context.lineWidth = 1 / sceneState.zoom;
strokeRectWithRotation(
context,
x1 - dashedLinePadding,
y1 - dashedLinePadding,
x2 - x1 + dashedLinePadding * 2,
y2 - y1 + dashedLinePadding * 2,
(x1 + x2) / 2,
(y1 + y2) / 2,
0,
);
context.lineWidth = lineWidth;
context.setLineDash(initialLineDash);
const handlers = handlerRectanglesFromCoords(
[x1, y1, x2, y2],
0,
sceneState.zoom,
undefined,
OMIT_SIDES_FOR_MULTIPLE_ELEMENTS,
);
Object.keys(handlers).forEach((key) => {
const handler = handlers[key as HandlerRectanglesRet];
if (handler !== undefined) {
const lineWidth = context.lineWidth;
context.lineWidth = 1 / sceneState.zoom;
strokeRectWithRotation(
context,
handler[0],
handler[1],
handler[2],
handler[3],
handler[0] + handler[2] / 2,
handler[1] + handler[3] / 2,
0,
true, // fill before stroke
);
context.lineWidth = lineWidth;
}
});
context.translate(-sceneState.scrollX, -sceneState.scrollY);
}
}