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Fix return types for static Rect and Matrix functions. #65

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Apr 23, 2024
Merged

Fix return types for static Rect and Matrix functions. #65

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12 changes: 6 additions & 6 deletions src/mupdf.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -92,13 +92,13 @@ type Rotate = 0 | 90 | 180 | 270

export const Matrix = {
identity: [ 1, 0, 0, 1, 0, 0 ] as Matrix,
scale(sx: number, sy: number) {
scale(sx: number, sy: number): Matrix {
return [ sx, 0, 0, sy, 0, 0 ]
},
translate(tx: number, ty: number) {
translate(tx: number, ty: number): Matrix {
return [ 1, 0, 0, 1, tx, ty ]
},
rotate(d: number) {
rotate(d: number): Matrix {
while (d < 0)
d += 360
while (d >= 360)
Expand All @@ -107,7 +107,7 @@ export const Matrix = {
let c = Math.cos((d * Math.PI) / 180)
return [ c, s, -s, c, 0, 0 ]
},
invert(m: Matrix) {
invert(m: Matrix): Matrix {
checkMatrix(m)
let det = m[0] * m[3] - m[1] * m[2]
if (det > -1e-23 && det < 1e-23)
Expand All @@ -121,7 +121,7 @@ export const Matrix = {
let invf = -m[4] * invb - m[5] * invd
return [ inva, invb, invc, invd, inve, invf ]
},
concat(one: Matrix, two: Matrix) {
concat(one: Matrix, two: Matrix): Matrix {
checkMatrix(one)
checkMatrix(two)
return [
Expand Down Expand Up @@ -155,7 +155,7 @@ export const Rect = {
rect[3] === Rect.MAX_INF_RECT
)
},
transform: function (rect: Rect, matrix: Matrix) {
transform: function (rect: Rect, matrix: Matrix): Rect {
checkRect(rect)
checkMatrix(matrix)
var t
Expand Down
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