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Diffstat (limited to 'carousel/java/com/android/ex/carousel/CarouselController.java')
| -rw-r--r-- | carousel/java/com/android/ex/carousel/CarouselController.java | 842 |
1 files changed, 0 insertions, 842 deletions
diff --git a/carousel/java/com/android/ex/carousel/CarouselController.java b/carousel/java/com/android/ex/carousel/CarouselController.java deleted file mode 100644 index 8bb9c01..0000000 --- a/carousel/java/com/android/ex/carousel/CarouselController.java +++ /dev/null @@ -1,842 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package com.android.ex.carousel; - -import com.android.ex.carousel.CarouselRS.CarouselCallback; -import com.android.ex.carousel.CarouselView.DetailAlignment; - -import android.graphics.Bitmap; -import android.renderscript.Float4; -import android.renderscript.Mesh; -import android.renderscript.RenderScriptGL; -import android.util.Log; - -/** - * <p> - * This class represents the basic building block for using a 3D Carousel. The Carousel is - * basically a scene of cards and slots. The spacing between cards is dictated by the number - * of slots and the radius. The number of visible cards dictates how far the Carousel can be moved. - * If the number of cards exceeds the number of slots, then the Carousel will continue to go - * around until the last card can be seen. - */ -public class CarouselController { - private final int DEFAULT_SLOT_COUNT = 10; - private final float DEFAULT_RADIUS = 20.0f; - private final int DEFAULT_VISIBLE_DETAIL_COUNT = 3; - private final int DEFAULT_PREFETCH_CARD_COUNT = 2; - private final int DEFAULT_ROW_COUNT = 1; - private final float DEFAULT_OVERSCROLL_SLOTS = 1.0f; - private final float DEFAULT_ROW_SPACING = 0.0f; - private final float DEFAULT_SWAY_SENSITIVITY = 0.0f; - private final float DEFAULT_FRICTION_COEFFICIENT = 10.0f; - private final float DEFAULT_DRAG_FACTOR = 0.25f; - private final int DEFAULT_DETAIL_ALIGNMENT = - DetailAlignment.VIEW_TOP | DetailAlignment.LEFT; - private CarouselRS mRenderScript; - private RenderScriptGL mRS; - private static final String TAG = "CarouselController"; - private static final boolean DBG = false; - - // These shadow the state of the renderer in case the surface changes so the surface - // can be restored to its previous state. - private Bitmap mDefaultBitmap; - private Bitmap mLoadingBitmap; - private Bitmap mBackgroundBitmap; - private Bitmap mDefaultLineBitmap = Bitmap.createBitmap( - new int[] {0x00000000, 0xffffffff, 0x00000000}, 0, 3, 3, 1, Bitmap.Config.ARGB_4444); - private int mDefaultGeometry; - private int mLoadingGeometry; - private float[] mDefaultCardMatrix; - private int mCardCount = 0; - private int mVisibleSlots = 0; - private int mVisibleDetails = DEFAULT_VISIBLE_DETAIL_COUNT; - private int mPrefetchCardCount = DEFAULT_PREFETCH_CARD_COUNT; - private int mDetailTextureAlignment = DEFAULT_DETAIL_ALIGNMENT; - private boolean mForceBlendCardsWithZ = false; - private boolean mDrawRuler = true; - private float mStartAngle; - private float mCarouselRotationAngle; - private float mRadius = DEFAULT_RADIUS; - private float mCardRotation = 0.0f; - private boolean mCardsFaceTangent = false; - private float mOverscrollSlots = DEFAULT_OVERSCROLL_SLOTS; - private float mSwaySensitivity = DEFAULT_SWAY_SENSITIVITY; - private float mFrictionCoefficient = DEFAULT_FRICTION_COEFFICIENT; - private float mDragFactor = DEFAULT_DRAG_FACTOR; - private int mSlotCount = DEFAULT_SLOT_COUNT; - private int mRowCount = DEFAULT_ROW_COUNT; - private float mRowSpacing = DEFAULT_ROW_SPACING; - private float mEye[] = { 20.6829f, 2.77081f, 16.7314f }; - private float mAt[] = { 14.7255f, -3.40001f, -1.30184f }; - private float mUp[] = { 0.0f, 1.0f, 0.0f }; - private Float4 mBackgroundColor = new Float4(0.0f, 0.0f, 0.0f, 1.0f); - private CarouselCallback mCarouselCallback; - private float mRezInCardCount = 0.0f; - private long mFadeInDuration = 250L; - private long mCardCreationFadeDuration = 0L; - private Bitmap mDetailLoadingBitmap = Bitmap.createBitmap( - new int[] {0}, 0, 1, 1, 1, Bitmap.Config.ARGB_4444); - private int mDragModel = CarouselRS.DRAG_MODEL_SCREEN_DELTA; - private int mFillDirection = CarouselRS.FILL_DIRECTION_CCW; - private boolean mFirstCardTop = false; - private int[] mStoreConfigs; - - public CarouselController() { - boolean useDepthBuffer = true; - } - - public void setRS(RenderScriptGL rs, CarouselRS renderScript) { - mRS = rs; - mRenderScript = renderScript; - } - - public void onSurfaceChanged() { - setSlotCount(mSlotCount); - setDefaultCardMatrix(mDefaultCardMatrix); - createCards(mCardCount); - setVisibleSlots(mVisibleSlots); - setVisibleDetails(mVisibleDetails); - setPrefetchCardCount(mPrefetchCardCount); - setOverscrollSlots(mOverscrollSlots); - setRowCount(mRowCount); - setRowSpacing(mRowSpacing); - setFirstCardTop(mFirstCardTop); - setDetailTextureAlignment(mDetailTextureAlignment); - setForceBlendCardsWithZ(mForceBlendCardsWithZ); - setDrawRuler(mDrawRuler); - setCallback(mCarouselCallback); - setDefaultBitmap(mDefaultBitmap); - setLoadingBitmap(mLoadingBitmap); - setDefaultGeometry(mDefaultGeometry); - setLoadingGeometry(mLoadingGeometry); - setBackgroundColor(mBackgroundColor.x, mBackgroundColor.y, mBackgroundColor.z, - mBackgroundColor.w); - setBackgroundBitmap(mBackgroundBitmap); - setDetailLineBitmap(mDefaultLineBitmap); - setStartAngle(mStartAngle); - setCarouselRotationAngle(mCarouselRotationAngle); - setRadius(mRadius); - setCardRotation(mCardRotation); - setCardsFaceTangent(mCardsFaceTangent); - setSwaySensitivity(mSwaySensitivity); - setFrictionCoefficient(mFrictionCoefficient); - setDragFactor(mDragFactor); - setDragModel(mDragModel); - setFillDirection(mFillDirection); - setLookAt(mEye, mAt, mUp); - setRezInCardCount(mRezInCardCount); - setFadeInDuration(mFadeInDuration); - setCardCreationFadeDuration(mCardCreationFadeDuration); - setDetailLoadingBitmap(mDetailLoadingBitmap); - setStoreConfigs(mStoreConfigs); - } - - /** - * Loads geometry from a resource id. - * - * @param resId - * @return the loaded mesh or null if it cannot be loaded - */ - public Mesh loadGeometry(int resId) { - if (mRenderScript != null) { - return mRenderScript.loadGeometry(resId); - } - return null; - } - - /** - * Set the geometry to show for a given slot. - * @param n The card to set the geometry for - * @param mesh The geometry for that item - * @see {@link #setDefaultGeometry} - */ - public void setGeometryForItem(int n, Mesh mesh) { - if (mRenderScript != null) { - mRenderScript.setGeometry(n, mesh); - } - } - - /** - * Load A3D file from resource. If resId == 0, will clear geometry for this item. - * @param n The card to set the geometry for - * @param resId The resource ID for the geometry for that item - * @see {@link #setDefaultGeometry} - */ - public void setGeometryForItem(int n, int resId) { - if (mRenderScript != null) { - Mesh mesh = mRenderScript.loadGeometry(resId); - mRenderScript.setGeometry(n, mesh); - } - } - - /** - * Set the matrix for the specified card - * @param n The card to set the matrix for - * @param matrix The matrix to use - * @see {@link #setDefaultGeometry} - */ - public void setMatrixForItem(int n, float[] matrix) { - if (mRenderScript != null) { - mRenderScript.setMatrix(n, matrix); - } - } - - /** - * Set the number of slots around the Carousel. Basically equivalent to the poles horses - * might attach to on a real Carousel. - * - * @param n the number of slots - */ - public void setSlotCount(int n) { - mSlotCount = n; - if (mRenderScript != null) { - mRenderScript.setSlotCount(n); - } - } - - /** - * Sets the number of visible slots around the Carousel. This is primarily used as a cheap - * form of clipping. The Carousel will never show more than this many cards. - * @param n the number of visible slots - */ - public void setVisibleSlots(int n) { - mVisibleSlots = n; - if (mRenderScript != null) { - mRenderScript.setVisibleSlots(n); - } - } - - /** - * Set the number of detail textures that can be visible at one time. - * - * @param n the number of slots - */ - public void setVisibleDetails(int n) { - mVisibleDetails = n; - if (mRenderScript != null) { - mRenderScript.setVisibleDetails(n); - } - } - - /** - * Set the number of cards to pre-load that are outside of the visible region, as determined by - * setVisibleSlots(). This number gets added to the number of visible slots and used to - * determine when resources for cards should be loaded. This number should be small (n <= 4) - * for systems with limited texture memory or views that show more than half dozen cards in the - * view. - * - * @param n the number of cards; should be even, so the count is the same on each side - */ - public void setPrefetchCardCount(int n) { - mPrefetchCardCount = n; - if (mRenderScript != null) { - mRenderScript.setPrefetchCardCount(n); - } - } - - /** - * Sets the number of rows of cards to show in each slot. - */ - public void setRowCount(int n) { - mRowCount = n; - if (mRenderScript != null) { - mRenderScript.setRowCount(n); - } - } - - /** - * Sets the spacing between each row of cards when rowCount > 1. - */ - public void setRowSpacing(float s) { - mRowSpacing = s; - if (mRenderScript != null) { - mRenderScript.setRowSpacing(s); - } - } - - /** - * Sets the position of the first card when rowCount > 1 . - */ - public void setFirstCardTop(boolean f) { - mFirstCardTop = f; - if (mRenderScript != null) { - mRenderScript.setFirstCardTop(f); - } - } - - /** - * Sets the amount of allowed overscroll (in slots) - */ - public void setOverscrollSlots(float slots) { - mOverscrollSlots = slots; - if (mRenderScript != null) { - mRenderScript.setOverscrollSlots(slots); - } - } - - /** - * Sets how detail textures are aligned with respect to the card. - * - * @param alignment a bitmask of DetailAlignment flags. - */ - public void setDetailTextureAlignment(int alignment) { - int xBits = alignment & DetailAlignment.HORIZONTAL_ALIGNMENT_MASK; - if (xBits == 0 || ((xBits & (xBits - 1)) != 0)) { - throw new IllegalArgumentException( - "Must specify exactly one horizontal alignment flag"); - } - int yBits = alignment & DetailAlignment.VERTICAL_ALIGNMENT_MASK; - if (yBits == 0 || ((yBits & (yBits - 1)) != 0)) { - throw new IllegalArgumentException( - "Must specify exactly one vertical alignment flag"); - } - - mDetailTextureAlignment = alignment; - if (mRenderScript != null) { - mRenderScript.setDetailTextureAlignment(alignment); - } - } - - /** - * Set whether depth is enabled while blending. Generally, this is discouraged because - * it causes bad artifacts. Careful attention to geometry and alpha transparency of - * textures can mitigate much of this. Geometry for an individual item must be drawn - * back-to-front, for example. - * - * @param enabled True to enable depth while blending, and false to disable it. - */ - public void setForceBlendCardsWithZ(boolean enabled) { - mForceBlendCardsWithZ = enabled; - if (mRenderScript != null) { - mRenderScript.setForceBlendCardsWithZ(enabled); - } - } - - /** - * Set whether to draw a ruler from the card to the detail texture - * - * @param drawRuler True to draw a ruler, false to draw nothing where the ruler would go. - */ - public void setDrawRuler(boolean drawRuler) { - mDrawRuler = drawRuler; - if (mRenderScript != null) { - mRenderScript.setDrawRuler(drawRuler); - } - } - - /** - * This dictates how many cards are in the deck. If the number of cards is greater than the - * number of slots, then the Carousel goes around n / slot_count times. - * - * Can be called again to increase or decrease the number of cards. - * - * @param n the number of cards to create. - */ - public void createCards(int n) { - mCardCount = n; - if (mRenderScript != null) { - mRenderScript.createCards(n); - } - } - - public int getCardCount() { - return mCardCount; - } - - /** - * This sets the texture on card n. It should only be called in response to - * {@link CarouselCallback#onRequestTexture(int)}. Since there's no guarantee - * that a given texture is still on the screen, replacing this texture should be done - * by first setting it to null and then waiting for the next - * {@link CarouselCallback#onRequestTexture(int)} to swap it with the new one. - * - * @param n the card given by {@link CarouselCallback#onRequestTexture(int)} - * @param bitmap the bitmap image to show - */ - public void setTextureForItem(int n, Bitmap bitmap) { - // Also check against mRS, to handle the case where the result is being delivered by a - // background thread but the sender no longer exists. - if (mRenderScript != null && mRS != null) { - if (DBG) Log.v(TAG, "setTextureForItem(" + n + ")"); - mRenderScript.setTexture(n, bitmap); - if (DBG) Log.v(TAG, "done"); - } - } - - /** - * This sets the detail texture that floats above card n. It should only be called in response - * to {@link CarouselCallback#onRequestDetailTexture(int)}. Since there's no guarantee - * that a given texture is still on the screen, replacing this texture should be done - * by first setting it to null and then waiting for the next - * {@link CarouselCallback#onRequestDetailTexture(int)} to swap it with the new one. - * - * @param n the card to set detail texture for - * @param offx an optional offset to apply to the texture (in pixels) from top of detail line - * @param offy an optional offset to apply to the texture (in pixels) from top of detail line - * @param loffx an optional offset to apply to the line (in pixels) from left edge of card - * @param loffy an optional offset to apply to the line (in pixels) from top of screen - * @param bitmap the bitmap to show as the detail - */ - public void setDetailTextureForItem(int n, float offx, float offy, float loffx, float loffy, - Bitmap bitmap) { - if (mRenderScript != null && mRS != null) { - if (DBG) Log.v(TAG, "setDetailTextureForItem(" + n + ")"); - mRenderScript.setDetailTexture(n, offx, offy, loffx, loffy, bitmap); - if (DBG) Log.v(TAG, "done"); - } - } - - /** - * Sets the specified texture as invalid. If {@code eraseCurrent} is true, - * the texture will be immediately cleared from view and an invalidate - * handler will be called. If {@code eraseCurrent} is false, a replacement - * texture will be requested, and the old texture will be left in place in - * the meantime. - * - * @param n the card to invalidate the detail texture for - * @param eraseCurrent whether to erase the current texture - */ - public void invalidateTexture(int n, boolean eraseCurrent) { - if (mRenderScript != null && mRS != null) { - if (DBG) Log.v(TAG, "invalidateTexture(" + n + ", " + eraseCurrent + ")"); - mRenderScript.invalidateTexture(n, eraseCurrent); - if (DBG) Log.v(TAG, "done"); - } - } - - /** - * Sets the specified detail texture as invalid. If eraseCurrent is true, the texture will be - * immediately cleared from view and an invalidate handler will be called. If eraseCurrent is - * false, a replacement texture will be requested, and the old texture will be left in place - * in the meantime. - * @param n the card to invalidate the detail texture for - * @param eraseCurrent whether to erase the current texture - */ - public void invalidateDetailTexture(int n, boolean eraseCurrent) { - if (mRenderScript != null && mRS != null) { - if (DBG) Log.v(TAG, "invalidateDetailTexture(" + n + ", " + eraseCurrent + ")"); - mRenderScript.invalidateDetailTexture(n, eraseCurrent); - if (DBG) Log.v(TAG, "done"); - } - } - - /** - * Sets the bitmap to show on a card when the card draws the very first time. - * Generally, this bitmap will only be seen during the first few frames of startup - * or when the number of cards are changed. It can be ignored in most cases, - * as the cards will generally only be in the loading or loaded state. - * - * @param bitmap - */ - public void setDefaultBitmap(Bitmap bitmap) { - mDefaultBitmap = bitmap; - if (mRenderScript != null) { - mRenderScript.setDefaultBitmap(bitmap); - } - } - - /** - * Sets the bitmap to show on the card while the texture is loading. It is set to this - * value just before {@link CarouselCallback#onRequestTexture(int)} is called and changed - * when {@link CarouselView#setTextureForItem(int, Bitmap)} is called. It is shared by all - * cards. - * - * @param bitmap - */ - public void setLoadingBitmap(Bitmap bitmap) { - mLoadingBitmap = bitmap; - if (mRenderScript != null) { - mRenderScript.setLoadingBitmap(bitmap); - } - } - - /** - * Sets background to specified color. If a background texture is specified with - * {@link CarouselView#setBackgroundBitmap(Bitmap)}, then this call has no effect. - * - * @param red the amount of red - * @param green the amount of green - * @param blue the amount of blue - * @param alpha the amount of alpha - */ - public void setBackgroundColor(float red, float green, float blue, float alpha) { - mBackgroundColor = new Float4(red, green, blue, alpha); - if (mRenderScript != null) { - mRenderScript.setBackgroundColor(mBackgroundColor); - } - } - - /** - * Can be used to optionally set the background to a bitmap. When set to something other than - * null, this overrides {@link CarouselController#setBackgroundColor(Float4)}. - * - * @param bitmap - */ - public void setBackgroundBitmap(Bitmap bitmap) { - mBackgroundBitmap = bitmap; - if (mRenderScript != null) { - mRenderScript.setBackgroundTexture(bitmap); - } - } - - /** - * Can be used to optionally set a "loading" detail bitmap. Typically, this is just a black - * texture with alpha = 0 to allow details to slowly fade in. - * - * @param bitmap - */ - public void setDetailLoadingBitmap(Bitmap bitmap) { - mDetailLoadingBitmap = bitmap; - if (mRenderScript != null) { - mRenderScript.setDetailLoadingTexture(bitmap); - } - } - - /** - * This texture is used to draw a line from the card alongside the texture detail. The line - * will be as wide as the texture. It can be used to give the line glow effects as well as - * allowing other blending effects. It is typically one dimensional, e.g. 3x1. - * - * @param bitmap - */ - public void setDetailLineBitmap(Bitmap bitmap) { - mDefaultLineBitmap = bitmap; - if (mRenderScript != null) { - mRenderScript.setDetailLineTexture(bitmap); - } - } - - /** - * This geometry will be shown when no geometry has been loaded for a given slot. If not set, - * a quad will be drawn in its place. It is shared for all cards. If something other than - * simple planar geometry is used, consider enabling depth test with - * {@link CarouselController#setForceBlendCardsWithZ(boolean)} - * - * @param mesh - */ - public void setDefaultGeometry(int resId) { - mDefaultGeometry = resId; - if (mRenderScript != null) { - Mesh mesh = mRenderScript.loadGeometry(resId); - mRenderScript.setDefaultGeometry(mesh); - } - } - - /** - * Sets the matrix used to transform card geometries. By default, this - * is the identity matrix, but you can specify a different matrix if you - * want to scale, translate and / or rotate the card before drawing. - * - * @param matrix array of 9 or 16 floats representing a 3x3 or 4x4 matrix, - * or null as a shortcut for an identity matrix. - */ - public void setDefaultCardMatrix(float[] matrix) { - mDefaultCardMatrix = matrix; - if (mRenderScript != null) { - mRenderScript.setDefaultCardMatrix(matrix); - } - } - - /** - * This is an intermediate version of the object to show while geometry is loading. If not set, - * a quad will be drawn in its place. It is shared for all cards. If something other than - * simple planar geometry is used, consider enabling depth test with - * {@link CarouselView#setForceBlendCardsWithZ(boolean)} - * - * @param resId - */ - public void setLoadingGeometry(int resId) { - mLoadingGeometry = resId; - if (mRenderScript != null) { - Mesh mesh = mRenderScript.loadGeometry(resId); - mRenderScript.setLoadingGeometry(mesh); - } - } - - /** - * Sets the callback for receiving events from RenderScript. - * - * @param callback - */ - public void setCallback(CarouselCallback callback) - { - mCarouselCallback = callback; - if (mRenderScript != null) { - mRenderScript.setCallback(callback); - } - } - - /** - * Gets the callback for receiving events from Renderscript. - */ - public CarouselCallback getCallback() { - return mCarouselCallback; - } - - /** - * Sets the startAngle for the Carousel. The start angle is the first position of the first - * slot draw. Cards will be drawn from this angle in a counter-clockwise manner around the - * Carousel. - * - * @param angle the angle, in radians. - */ - public void setStartAngle(float angle) - { - mStartAngle = angle; - if (mRenderScript != null) { - mRenderScript.setStartAngle(angle); - } - } - - /** - * Set the current carousel rotation angle, in card units. - * This is measured in card positions, not in radians or degrees. - * - * A value of 0.0 means that card 0 is in the home position. - * A value of 1.0 means that card 1 is in the home position, and so on. - * The maximum value will be somewhat less than the total number of cards. - * - * @param angle - */ - public void setCarouselRotationAngle(float angle) { - mCarouselRotationAngle = angle; - if (mRenderScript != null) { - mRenderScript.setCarouselRotationAngle(angle); - } - } - - /** - * Triggers a rotation of the carousel. All angles are in card units, see: - * {@link CarouselController#setCarouselRotationAngle(float)}) for more details. - * - * @param endAngle the card unit to which the carousel should rotate to - * @param milliseconds the length of the animation - * @param interpolationMode three modes are currently supported : - * {@link CarouselView.InterpolationMode#LINEAR} - * {@link CarouselView.InterpolationMode#DECELERATE_QUADRATIC} - * {@link CarouselView.InterpolationMode#ACCELERATE_DECELERATE_CUBIC} - * @param maxAnimatedArc the maximum angular distance over which the transition will be - * animated. - * If the current position is further away, it is set at maxAnimatedArc from endAngle. - * This parameter is ignored when <= 0. - */ - public void setCarouselRotationAngle(float endAngle, int milliseconds, int interpolationMode, - float maxAnimatedArc) { - if (mRenderScript != null) { - mRenderScript.setCarouselRotationAngle(endAngle, milliseconds, - interpolationMode, maxAnimatedArc); - } - } - - public void setRadius(float radius) { - mRadius = radius; - if (mRenderScript != null) { - mRenderScript.setRadius(radius); - } - } - - /** - * Sets the current model for dragging. There are currently four drag models: - * {@link CarouselView#DRAG_MODEL_SCREEN_DELTA} - * {@link CarouselView#DRAG_MODEL_PLANE} - * {@link CarouselView#DRAG_MODEL_CYLINDER_INSIDE} - * {@link CarouselView#DRAG_MODEL_CYLINDER_OUTSIDE} - * - * @param model - */ - public void setDragModel(int model) { - mDragModel = model; - if (mRenderScript != null) { - mRenderScript.setDragModel(model); - } - } - - /** Sets the direction to fill in cards around the carousel. - * - * @param direction Either {@link CarouselRS#FILL_DIRECTION_CCW} or - * {@link CarouselRS#FILL_DIRECTION_CW}. - */ - public void setFillDirection(int direction) { - mFillDirection = direction; - if (mRenderScript != null) { - mRenderScript.setFillDirection(direction); - } - } - - public void setCardRotation(float cardRotation) { - mCardRotation = cardRotation; - if (mRenderScript != null) { - mRenderScript.setCardRotation(cardRotation); - } - } - - public void setCardsFaceTangent(boolean faceTangent) { - mCardsFaceTangent = faceTangent; - if (mRenderScript != null) { - mRenderScript.setCardsFaceTangent(faceTangent); - } - } - - public void setSwaySensitivity(float swaySensitivity) { - mSwaySensitivity = swaySensitivity; - if (mRenderScript != null) { - mRenderScript.setSwaySensitivity(swaySensitivity); - } - } - - public void setFrictionCoefficient(float frictionCoefficient) { - mFrictionCoefficient = frictionCoefficient; - if (mRenderScript != null) { - mRenderScript.setFrictionCoefficient(frictionCoefficient); - } - } - - public void setDragFactor(float dragFactor) { - mDragFactor = dragFactor; - if (mRenderScript != null) { - mRenderScript.setDragFactor(dragFactor); - } - } - - public void setLookAt(float[] eye, float[] at, float[] up) { - mEye = eye; - mAt = at; - mUp = up; - if (mRenderScript != null) { - mRenderScript.setLookAt(eye, at, up); - } - } - - /** - * This sets the number of cards in the distance that will be shown "rezzing in". - * These alpha values will be faded in from the background to the foreground over - * 'n' cards. A floating point value is used to allow subtly changing the rezzing in - * position. - * - * @param n the number of cards to rez in. - */ - public void setRezInCardCount(float n) { - mRezInCardCount = n; - if (mRenderScript != null) { - mRenderScript.setRezInCardCount(n); - } - } - - /** - * This sets the duration (in ms) that a card takes to fade in when loaded via a call - * to {@link CarouselView#setTextureForItem(int, Bitmap)}. The timer starts the - * moment {@link CarouselView#setTextureForItem(int, Bitmap)} is called and continues - * until all of the cards have faded in. Note: using large values will extend the - * animation until all cards have faded in. - * - * @param t The time, in milliseconds - */ - public void setFadeInDuration(long t) { - mFadeInDuration = t; - if (mRenderScript != null) { - mRenderScript.setFadeInDuration(t); - } - } - - /** - * This sets the duration (in ms) that a card takes to fade in when it is initially created, - * such as when it is added or when the application starts. The timer starts at the moment - * when the card is first created. Replacing a card's contents does not affect the timer. - * @param t The time, in milliseconds - */ - public void setCardCreationFadeDuration(long t) { - mCardCreationFadeDuration = t; - if (mRenderScript != null) { - mRenderScript.setCardCreationFadeDuration(t); - } - } - - /** - * Tells the carousel that a touch event has started at the designated location. - * @param x The number of pixels from the left edge that the event occurred - * @param y The number of pixels from the top edge that the event occurred - * @param t The time stamp of the event - */ - public void onTouchStarted(float x, float y, long t) { - mRenderScript.doStart(x, y, t); - } - - /** - * Tells the carousel that a touch event has moved to the designated location. - * @param x The number of pixels from the left edge that the event occurred - * @param y The number of pixels from the top edge that the event occurred - * @param t The time stamp of the event - */ - public void onTouchMoved(float x, float y, long t) { - mRenderScript.doMotion(x, y, t); - } - - /** - * Tells the carousel that the user has long-pressed. - */ - public void onLongPress() { - mRenderScript.doLongPress(); - } - - /** - * Tells the carousel that a touch event has stopped at the designated location. - * @param x The number of pixels from the left edge that the event occurred - * @param y The number of pixels from the top edge that the event occurred - * @param t The time stamp of the event - */ - public void onTouchStopped(float x, float y, long t) { - mRenderScript.doStop(x, y, t); - } - - /** - * Whether to use alpha when drawing a primitive: on for translucent, off for opaque. - */ - public static final int STORE_CONFIG_ALPHA = 1; - - /** - * Whether to read from the depth buffer when rendering. Determines with glDepthFunc() - * is given GL_LESS or GL_ALWAYS. On for GL_LESS, off for GL_ALWAYS. - */ - public static final int STORE_CONFIG_DEPTH_READS = 2; - - /** - * Whether to write to the depth buffer when rendering. Passed to glDepthMask(). - */ - public static final int STORE_CONFIG_DEPTH_WRITES = 4; - - /** - * Set the StoreConfig parameters that will be used for each mesh primitive. - * - * Each integer in the array is a bitfield composed of - * {@link CarouselController#STORE_CONFIG_ALPHA}, - * {@link CarouselController#STORE_CONFIG_DEPTH_READS}, and - * {@link CarouselController#STORE_CONFIG_DEPTH_WRITES}. - * - * These parameters MUST correspond to primitives in geometry previously set in - * {@link CarouselController#setDefaultGeometry(int)} or - * {@link CarouselController#setLoadingGeometry(int)} or - * {@link CarouselController#setGeometryForItem(int,Mesh)}. - * - * @param configs An array, each element of which corresponds to an ordered mesh primitive - */ - public void setStoreConfigs(int configs[]) { - mStoreConfigs = configs; - if (mRenderScript != null) { - mRenderScript.setStoreConfigs(configs); - } - } -} |