Java Settings.getImageW方法代码示例

import com.alexvasilkov.gestures.Settings; //导入方法依赖的package包/类
@Override
public void setImageDrawable(Drawable dr) {
    super.setImageDrawable(dr);

    // Method setImageDrawable can be called from super constructor,
    // so we have to ensure controller instance is created at this point.
    ensureControllerCreated();

    Settings settings = mController.getSettings();
    int oldW = settings.getImageW(), oldH = settings.getImageH();

    if (dr == null) {
        settings.setImage(0, 0);
    } else if (dr.getIntrinsicWidth() == -1 || dr.getIntrinsicHeight() == -1) {
        settings.setImage(settings.getMovementAreaW(), settings.getMovementAreaH());
    } else {
        settings.setImage(dr.getIntrinsicWidth(), dr.getIntrinsicHeight());
    }

    if (oldW != settings.getImageW() || oldH != settings.getImageH()) {
        mController.resetState();
    }
}
 

import com.alexvasilkov.gestures.Settings; //导入方法依赖的package包/类
@Override
public void setImageDrawable(Drawable drawable) {
    super.setImageDrawable(drawable);

    // Method setImageDrawable can be called from super constructor,
    // so we have to ensure controller instance is created at this point.
    ensureControllerCreated();

    Settings settings = controller.getSettings();

    // Saving old image size
    float oldWidth = settings.getImageW();
    float oldHeight = settings.getImageH();

    // Setting image size
    if (drawable == null) {
        settings.setImage(0, 0);
    } else if (drawable.getIntrinsicWidth() == -1 || drawable.getIntrinsicHeight() == -1) {
        settings.setImage(settings.getMovementAreaW(), settings.getMovementAreaH());
    } else {
        settings.setImage(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight());
    }

    // Getting new image size
    float newWidth = settings.getImageW();
    float newHeight = settings.getImageH();

    if (newWidth > 0f && newHeight > 0f && oldWidth > 0f && oldHeight > 0f) {
        float scaleFactor = Math.min(oldWidth / newWidth, oldHeight / newHeight);
        controller.getStateController().setTempZoomPatch(scaleFactor);
        controller.updateState();
        controller.getStateController().setTempZoomPatch(0f);
    } else {
        controller.resetState();
    }
}
 

import com.alexvasilkov.gestures.Settings; //导入方法依赖的package包/类
private void updateFromState() {
    if (isFromUpdated) {
        return;
    }

    Settings settings = toController == null ? null : toController.getSettings();

    if (fromNonePos && settings != null && toPos != null) {
        fromPos = fromPos == null ? ViewPosition.newInstance() : fromPos;

        GravityUtils.getDefaultPivot(settings, tmpPoint);
        tmpPoint.offset(toPos.view.left, toPos.view.top); // Ensure we're in correct coordinates
        ViewPosition.apply(fromPos, tmpPoint);
    }

    if (toPos == null || fromPos == null || settings == null || !settings.hasImageSize()) {
        return;
    }

    // 'From' pivot point is a center of image in 'To' viewport coordinates
    fromPivotX = fromPos.image.centerX() - toPos.viewport.left;
    fromPivotY = fromPos.image.centerY() - toPos.viewport.top;

    // Computing starting zoom level
    float imageWidth = settings.getImageW();
    float imageHeight = settings.getImageH();
    float zoomW = imageWidth == 0f ? 1f : fromPos.image.width() / imageWidth;
    float zoomH = imageHeight == 0f ? 1f : fromPos.image.height() / imageHeight;
    float zoom = Math.max(zoomW, zoomH);

    // Computing 'From' image in 'To' viewport coordinates.
    // If 'To' image has different aspect ratio it will be centered within the 'From' image.
    float fromX = fromPos.image.centerX() - 0.5f * imageWidth * zoom - toPos.viewport.left;
    float fromY = fromPos.image.centerY() - 0.5f * imageHeight * zoom - toPos.viewport.top;

    fromState.set(fromX, fromY, zoom, 0f);

    // 'From' clip is 'From' view rect in 'To' view coordinates
    fromClip.set(fromPos.viewport);
    fromClip.offset(-toPos.view.left, -toPos.view.top);

    // 'From' bounds clip is a part of 'To' view which considered to be visible.
    // Meaning that if 'From' view is truncated in any direction this clipping should be
    // animated, otherwise it will look like part of 'From' view is instantly becoming visible.
    fromBoundsClip.set(0f, 0f, toPos.view.width(), toPos.view.height());
    fromBoundsClip.left = compareAndSetClipBound(
            fromBoundsClip.left, fromPos.view.left, fromPos.visible.left, toPos.view.left);
    fromBoundsClip.top = compareAndSetClipBound(
            fromBoundsClip.top, fromPos.view.top, fromPos.visible.top, toPos.view.top);
    fromBoundsClip.right = compareAndSetClipBound(
            fromBoundsClip.right, fromPos.view.right, fromPos.visible.right, toPos.view.left);
    fromBoundsClip.bottom = compareAndSetClipBound(
            fromBoundsClip.bottom, fromPos.view.bottom, fromPos.visible.bottom, toPos.view.top);

    isFromUpdated = true;

    if (GestureDebug.isDebugAnimator()) {
        Log.d(TAG, "'From' state updated");
    }
}
 

import com.alexvasilkov.gestures.Settings; //导入方法依赖的package包/类
/**
 * Applies area size, area position and corners rounding with optional animation.
 *
 * @param animate Whether to animate changes when applying new cropping area settings
 */
public void update(boolean animate) {
    final Settings settings =
            imageView == null ? null : imageView.getController().getSettings();

    if (settings != null && getWidth() > 0 && getHeight() > 0) {

        // If aspect is specified we will automatically adjust movement area settings
        if (aspect > 0f || aspect == ORIGINAL_ASPECT) {
            final int width = getWidth() - getPaddingLeft() - getPaddingRight();
            final int height = getHeight() - getPaddingTop() - getPaddingBottom();

            final float realAspect = aspect == ORIGINAL_ASPECT
                    ? settings.getImageW() / (float) settings.getImageH() : aspect;

            // Setting movement area
            if (realAspect > (float) width / (float) height) {
                // Cropping area is wider
                settings.setMovementArea(width, (int) (width / realAspect));
            } else {
                // Cropping area is higher
                settings.setMovementArea((int) (height * realAspect), height);
            }

            // Animating image to fit new movement area
            if (animate) {
                imageView.getController().animateKeepInBounds();
            } else {
                imageView.getController().updateState();
            }
        }

        startRect.set(areaRect);

        GravityUtils.getMovementAreaPosition(settings, tmpRect);
        endRect.set(tmpRect);

        stateScroller.forceFinished();

        if (animate) {
            stateScroller.setDuration(settings.getAnimationsDuration());
            stateScroller.startScroll(0f, 1f);
            animationEngine.start();
        } else {
            setBounds(endRect, endRounding);
        }
    }
}
 

import com.alexvasilkov.gestures.Settings; //导入方法依赖的package包/类
/**
 * Calculates min and max zoom levels.
 */
private void calculateZoomLevels(State state, Settings settings) {
    maxZoom = settings.getMaxZoom();

    float imageWidth = settings.getImageW();
    float imageHeight = settings.getImageH();

    float areaWidth = settings.getMovementAreaW();
    float areaHeight = settings.getMovementAreaH();

    final float rotation = state.getRotation();

    if (settings.getFitMethod() == Settings.Fit.OUTSIDE) {
        // Computing movement area size taking rotation into account. We need to inverse
        // rotation, since it will be applied to the area, not to the image itself.
        tmpMatrix.setRotate(-rotation);
        tmpRectF.set(0, 0, areaWidth, areaHeight);
        tmpMatrix.mapRect(tmpRectF);
        areaWidth = tmpRectF.width();
        areaHeight = tmpRectF.height();
    } else {
        // Computing image bounding size taking rotation into account.
        tmpMatrix.setRotate(rotation);
        tmpRectF.set(0, 0, imageWidth, imageHeight);
        tmpMatrix.mapRect(tmpRectF);
        imageWidth = tmpRectF.width();
        imageHeight = tmpRectF.height();
    }

    final float fittingZoom;

    switch (settings.getFitMethod()) {
        case HORIZONTAL:
            fittingZoom = areaWidth / imageWidth;
            break;
        case VERTICAL:
            fittingZoom = areaHeight / imageHeight;
            break;
        case OUTSIDE:
            fittingZoom = Math.max(areaWidth / imageWidth, areaHeight / imageHeight);
            break;
        case INSIDE:
        default:
            fittingZoom = Math.min(areaWidth / imageWidth, areaHeight / imageHeight);
            break;
    }

    if (fittingZoom > maxZoom) {
        if (settings.isFillViewport()) {
            // zooming to fill entire viewport
            minZoom = maxZoom = fittingZoom;
        } else {
            // restricting min zoom
            minZoom = maxZoom;
        }
    } else {
        minZoom = fittingZoom;
    }
}