Cross Reference: /frameworks/base/services/accessibility/java/com/android/server/accessibility/MagnificationController.java

Lines Matching defs:scale
222      * @return {@code true} if magnification is active, e.g. the scale
226         return mCurrentMagnificationSpec.scale > 1.0f;
297      * Returns the magnification scale. If an animation is in progress,
300      * @return the scale
303         return mCurrentMagnificationSpec.scale;
354      * Returns the scale currently used by the window manager. If an
358      * @return the scale currently used by the window manager
361         return mSpecAnimationBridge.mSentMagnificationSpec.scale;
387      * Resets the magnification scale and center, optionally animating the
421      * @param scale the target scale, must be >= 1
422      * @param pivotX the screen-relative X coordinate around which to scale
423      * @param pivotY the screen-relative Y coordinate around which to scale
430     public boolean setScale(float scale, float pivotX, float pivotY, boolean animate, int id) {
435             // Constrain scale immediately for use in the pivot calculations.
436             scale = MathUtils.constrain(scale, MIN_SCALE, MAX_SCALE);
441             final float oldScale = spec.scale;
446             final float offsetX = (oldCenterX - normPivotX) * (oldScale / scale);
447             final float offsetY = (oldCenterY - normPivotY) * (oldScale / scale);
451             return setScaleAndCenterLocked(scale, centerX, centerY, animate, id);
479      * Sets the scale and center of the magnified region, optionally
483      * @param scale the target scale, or {@link Float#NaN} to leave unchanged
485      *                center and scale, or {@link Float#NaN} to leave unchanged
487      *                center and scale, or {@link Float#NaN} to leave unchanged
495             float scale, float centerX, float centerY, boolean animate, int id) {
500             return setScaleAndCenterLocked(scale, centerX, centerY, animate, id);
504     private boolean setScaleAndCenterLocked(float scale, float centerX, float centerY,
506         final boolean changed = updateMagnificationSpecLocked(scale, centerX, centerY);
558      * Persists the current magnification scale to the current user's settings.
561         final float scale = mCurrentMagnificationSpec.scale;
567                 mSettingsBridge.putMagnificationScale(scale, userId);
574      * Retrieves a previously persisted magnification scale from the current
577      * @return the previously persisted magnification scale, or the default
578      *         scale if none is available
587      * @param scale the magnification scale
595     private boolean updateMagnificationSpecLocked(float scale, float centerX, float centerY) {
603         if (Float.isNaN(scale)) {
604             scale = getScale();
610         final float normScale = MathUtils.constrain(scale, MIN_SCALE, MAX_SCALE);
611         if (Float.compare(mCurrentMagnificationSpec.scale, normScale) != 0) {
612             mCurrentMagnificationSpec.scale = normScale;
646         return viewportWidth - viewportWidth * mCurrentMagnificationSpec.scale;
651         return viewportHeight - viewportHeight * mCurrentMagnificationSpec.scale;
695         final float scale = getSentScale();
700         outFrame.scale(1.0f / scale);
742             final float scale = getScale();
743             offsetMagnifiedRegion(scrollX * scale, scrollY * scale, INVALID_ID);
891                     mTmpMagnificationSpec.scale = mStartMagnificationSpec.scale +
892                             (mEndMagnificationSpec.scale - mStartMagnificationSpec.scale) * fract;