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Commit fe036c90 by vincent
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make drawLandmarks accept an array of landmarks

parent 24ec35d4
Showing with 44 additions and 31 deletions
build/utils.d.ts
......@@ -21,6 +21,6 @@ export declare function drawText(ctx: CanvasRenderingContext2D, x: number, y: nu
export declare function drawDetection(canvasArg: string | HTMLCanvasElement, detection: FaceDetection | FaceDetection[], options?: DrawBoxOptions & DrawTextOptions & {
withScore: boolean;
}): void;
export declare function drawLandmarks(canvasArg: string | HTMLCanvasElement, faceLandmarks: FaceLandmarks, options?: DrawLandmarksOptions & {
export declare function drawLandmarks(canvasArg: string | HTMLCanvasElement, faceLandmarks: FaceLandmarks | FaceLandmarks[], options?: DrawLandmarksOptions & {
drawLines: boolean;
}): void;
build/utils.js
......@@ -161,22 +161,25 @@ function drawLandmarks(canvasArg, faceLandmarks, options) {
var drawLines = Object.assign({ drawLines: false }, (options || {})).drawLines;
var ctx = getContext2dOrThrow(canvas);
var lineWidth = drawOptions.lineWidth, color = drawOptions.color;
var faceLandmarksArray = Array.isArray(faceLandmarks) ? faceLandmarks : [faceLandmarks];
faceLandmarksArray.forEach(function (landmarks) {
if (drawLines) {
ctx.strokeStyle = color;
ctx.lineWidth = lineWidth;
drawContour(ctx, faceLandmarks.getJawOutline());
drawContour(ctx, faceLandmarks.getLeftEyeBrow());
drawContour(ctx, faceLandmarks.getRightEyeBrow());
drawContour(ctx, faceLandmarks.getNose());
drawContour(ctx, faceLandmarks.getLeftEye(), true);
drawContour(ctx, faceLandmarks.getRightEye(), true);
drawContour(ctx, faceLandmarks.getMouth(), true);
drawContour(ctx, landmarks.getJawOutline());
drawContour(ctx, landmarks.getLeftEyeBrow());
drawContour(ctx, landmarks.getRightEyeBrow());
drawContour(ctx, landmarks.getNose());
drawContour(ctx, landmarks.getLeftEye(), true);
drawContour(ctx, landmarks.getRightEye(), true);
drawContour(ctx, landmarks.getMouth(), true);
return;
}
// else draw points
var ptOffset = lineWidth / 2;
ctx.fillStyle = color;
faceLandmarks.getPositions().forEach(function (pt) { return ctx.fillRect(pt.x - ptOffset, pt.y - ptOffset, lineWidth, lineWidth); });
landmarks.getPositions().forEach(function (pt) { return ctx.fillRect(pt.x - ptOffset, pt.y - ptOffset, lineWidth, lineWidth); });
});
}
exports.drawLandmarks = drawLandmarks;
//# sourceMappingURL=utils.js.map
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build/utils.js.map
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\ No newline at end of file
dist/face-api.js
......@@ -15098,22 +15098,25 @@
var drawLines = Object.assign({ drawLines: false }, (options || {})).drawLines;
var ctx = getContext2dOrThrow(canvas);
var lineWidth = drawOptions.lineWidth, color = drawOptions.color;
var faceLandmarksArray = Array.isArray(faceLandmarks) ? faceLandmarks : [faceLandmarks];
faceLandmarksArray.forEach(function (landmarks) {
if (drawLines) {
ctx.strokeStyle = color;
ctx.lineWidth = lineWidth;
drawContour(ctx, faceLandmarks.getJawOutline());
drawContour(ctx, faceLandmarks.getLeftEyeBrow());
drawContour(ctx, faceLandmarks.getRightEyeBrow());
drawContour(ctx, faceLandmarks.getNose());
drawContour(ctx, faceLandmarks.getLeftEye(), true);
drawContour(ctx, faceLandmarks.getRightEye(), true);
drawContour(ctx, faceLandmarks.getMouth(), true);
drawContour(ctx, landmarks.getJawOutline());
drawContour(ctx, landmarks.getLeftEyeBrow());
drawContour(ctx, landmarks.getRightEyeBrow());
drawContour(ctx, landmarks.getNose());
drawContour(ctx, landmarks.getLeftEye(), true);
drawContour(ctx, landmarks.getRightEye(), true);
drawContour(ctx, landmarks.getMouth(), true);
return;
}
// else draw points
var ptOffset = lineWidth / 2;
ctx.fillStyle = color;
faceLandmarks.getPositions().forEach(function (pt) { return ctx.fillRect(pt.x - ptOffset, pt.y - ptOffset, lineWidth, lineWidth); });
landmarks.getPositions().forEach(function (pt) { return ctx.fillRect(pt.x - ptOffset, pt.y - ptOffset, lineWidth, lineWidth); });
});
}
var NetInput = /** @class */ (function () {
......
dist/face-api.min.js
This source diff could not be displayed because it is too large. You can view the blob instead.
examples/views/detectAndDrawLandmarks.html
......@@ -90,17 +90,18 @@
const locations = await faceapi.locateFaces(input, minConfidence)
const faceTensors = (await faceapi.extractFaceTensors(input, locations))
landmarksByFace = await Promise.all(faceTensors.map(t => faceapi.detectLandmarks(t)))
let landmarksByFace = await Promise.all(faceTensors.map(t => faceapi.detectLandmarks(t)))
// free memory for face image tensors after we computed their descriptors
faceTensors.forEach(t => t.dispose())
landmarksByFace.forEach((landmarks, i) => {
// shift and scale the face landmarks to the face image position in the canvas
landmarksByFace = landmarksByFace.map((landmarks, i) => {
const box = locations[i].forSize(width, height).getBox()
faceapi.drawLandmarks(canvas, landmarks.forSize(box.width, box.height).shift(box.x, box.y), { lineWidth: drawLines ? 2 : 4, drawLines, color: 'red' })
return landmarks.forSize(box.width, box.height).shift(box.x, box.y)
})
faceapi.drawLandmarks(canvas, landmarksByFace, { lineWidth: drawLines ? 2 : 4, drawLines, color: 'red' })
faceapi.drawDetection('overlay', locations.map(det => det.forSize(width, height)))
}
......
src/utils.ts
......@@ -211,7 +211,7 @@ function drawContour(
export function drawLandmarks(
canvasArg: string | HTMLCanvasElement,
faceLandmarks: FaceLandmarks,
faceLandmarks: FaceLandmarks | FaceLandmarks[],
options?: DrawLandmarksOptions & { drawLines: boolean }
) {
const canvas = getElement(canvasArg)
......@@ -229,21 +229,25 @@ export function drawLandmarks(
const ctx = getContext2dOrThrow(canvas)
const { lineWidth, color } = drawOptions
const faceLandmarksArray = Array.isArray(faceLandmarks) ? faceLandmarks : [faceLandmarks]
faceLandmarksArray.forEach(landmarks => {
if (drawLines) {
ctx.strokeStyle = color
ctx.lineWidth = lineWidth
drawContour(ctx, faceLandmarks.getJawOutline())
drawContour(ctx, faceLandmarks.getLeftEyeBrow())
drawContour(ctx, faceLandmarks.getRightEyeBrow())
drawContour(ctx, faceLandmarks.getNose())
drawContour(ctx, faceLandmarks.getLeftEye(), true)
drawContour(ctx, faceLandmarks.getRightEye(), true)
drawContour(ctx, faceLandmarks.getMouth(), true)
drawContour(ctx, landmarks.getJawOutline())
drawContour(ctx, landmarks.getLeftEyeBrow())
drawContour(ctx, landmarks.getRightEyeBrow())
drawContour(ctx, landmarks.getNose())
drawContour(ctx, landmarks.getLeftEye(), true)
drawContour(ctx, landmarks.getRightEye(), true)
drawContour(ctx, landmarks.getMouth(), true)
return
}
// else draw points
const ptOffset = lineWidth / 2
ctx.fillStyle = color
faceLandmarks.getPositions().forEach(pt => ctx.fillRect(pt.x - ptOffset, pt.y - ptOffset, lineWidth, lineWidth))
landmarks.getPositions().forEach(pt => ctx.fillRect(pt.x - ptOffset, pt.y - ptOffset, lineWidth, lineWidth))
})
}
\ No newline at end of file
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