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feat: resize text element (#1650)

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* feat: resize text element

* ignore small font size change that leads jankiness

Co-authored-by: dwelle <luzar.david@gmail.com>
This commit is contained in:
Daishi Kato 2020-05-28 07:17:15 +09:00 • committed by GitHub
parent 5327e8a3dc
commit 7edcea9a93
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 152 additions and 47 deletions
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87
src/element/handlerRectangles.ts
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@ -21,6 +21,33 @@ export const OMIT_SIDES_FOR_MULTIPLE_ELEMENTS = {
rotation: true,
};
const OMIT_SIDES_FOR_TEXT_ELEMENT = {
e: true,
s: true,
n: true,
w: true,
};
const OMIT_SIDES_FOR_LINE_SLASH = {
e: true,
s: true,
n: true,
w: true,
nw: true,
se: true,
rotation: true,
};
const OMIT_SIDES_FOR_LINE_BACKSLASH = {
e: true,
s: true,
n: true,
w: true,
ne: true,
sw: true,
rotation: true,
};
const generateHandler = (
x: number,
y: number,
@ -180,13 +207,7 @@ export const handlerRectangles = (
zoom: number,
pointerType: PointerType = "mouse",
) => {
const handlers = handlerRectanglesFromCoords(
getElementAbsoluteCoords(element),
element.angle,
zoom,
pointerType,
);
let omitSides: { [T in Sides]?: boolean } = {};
if (
element.type === "arrow" ||
element.type === "line" ||
@ -195,43 +216,27 @@ export const handlerRectangles = (
if (element.points.length === 2) {
// only check the last point because starting point is always (0,0)
const [, p1] = element.points;
if (p1[0] === 0 || p1[1] === 0) {
return {
nw: handlers.nw,
se: handlers.se,
} as typeof handlers;
}
if (p1[0] > 0 && p1[1] < 0) {
return {
ne: handlers.ne,
sw: handlers.sw,
} as typeof handlers;
}
if (p1[0] > 0 && p1[1] > 0) {
return {
nw: handlers.nw,
se: handlers.se,
} as typeof handlers;
}
if (p1[0] < 0 && p1[1] > 0) {
return {
ne: handlers.ne,
sw: handlers.sw,
} as typeof handlers;
}
if (p1[0] < 0 && p1[1] < 0) {
return {
nw: handlers.nw,
se: handlers.se,
} as typeof handlers;
omitSides = OMIT_SIDES_FOR_LINE_BACKSLASH;
} else if (p1[0] > 0 && p1[1] < 0) {
omitSides = OMIT_SIDES_FOR_LINE_SLASH;
} else if (p1[0] > 0 && p1[1] > 0) {
omitSides = OMIT_SIDES_FOR_LINE_BACKSLASH;
} else if (p1[0] < 0 && p1[1] > 0) {
omitSides = OMIT_SIDES_FOR_LINE_SLASH;
} else if (p1[0] < 0 && p1[1] < 0) {
omitSides = OMIT_SIDES_FOR_LINE_BACKSLASH;
}
}
} else if (element.type === "text") {
omitSides = OMIT_SIDES_FOR_TEXT_ELEMENT;
}
return handlers;
return handlerRectanglesFromCoords(
getElementAbsoluteCoords(element),
element.angle,
zoom,
pointerType,
omitSides,
);
};