com.funzio.pure2D.utils

Class Pure2DUtils

java.lang.Object

com.funzio.pure2D.utils.Pure2DUtils

public class Pure2DUtils
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static float	DEGREE_TO_RADIAN
static float	PI_D2
static float	RADIAN_TO_DEGREE

Constructor Summary

Constructors

Constructor and Description
Pure2DUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static Bitmap	convertBitmap(Bitmap bitmap, TextureOptions options, int[] outDimensions) Check and convert the bitmap to (Power of 2) if required
static int[]	extractPixels(Bitmap bitmap)
static Bitmap	getAssetBitmap(AssetManager assetManager, java.lang.String assetPath, TextureOptions options, int[] outDimensions) Create a texture from an asset file
static Bitmap	getFileBitmap(java.lang.String filePath, TextureOptions options, int[] outDimensions) Create a texture from a file with a specified path
static void	getMatrix3DValues(Matrix matrix2D, float[] matrix3D)
static int	getNextPO2(int n) Calculates the next highest power of two for a given integer.
static Bitmap	getResourceBitmap(Resources resources, int resourceID, TextureOptions options, int[] outDimensions) Create a texture from a resource
static Point	getSmallestTextureSize(int width, int height, int num, int maxTextureSize, boolean forcePo2) Find the smallest area that contains multiples rect defined by width & height
static Bitmap	getStreamBitmap(java.io.InputStream stream, TextureOptions options, int[] outDimensions) Create a texture from a stream
static Bitmap	getTextBitmap(java.lang.String text, TextOptions options, int[] outDimensions) Create a bitmap with a specific text rendered on
static Bitmap	getUriBitmap(Resources resources, java.lang.String packageName, java.lang.String uri, TextureOptions options, int[] outDimensions) Create a bitmap from a uri.
static boolean	getUriBitmapDimensions(Resources resources, java.lang.String packageName, java.lang.String uri, TextureOptions options, int[] outDimensions) Get dimensions of a Bitmap by its uri.
static Bitmap	getURLBitmap(java.lang.String url, TextureOptions options, int[] outDimensions) Create a bitmap from a URL
static boolean	isPO2(int n)
static Bitmap	scaleBitmapToPo2(Bitmap bitmap, int[] outDimensions) Scale the specified bitmap to the size of the closest-power-of-2 of the current size
static void	texImage2DNonPremultipliedAlpha(GL10 gl, Bitmap bitmap) non-premultiplied alpha version of GLUtils.texImage2D().

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PI_D2

public static final float PI_D2

See Also:

Constant Field Values

DEGREE_TO_RADIAN

public static final float DEGREE_TO_RADIAN

See Also:

Constant Field Values

RADIAN_TO_DEGREE

public static final float RADIAN_TO_DEGREE

See Also:

Constant Field Values

Constructor Detail

Pure2DUtils

public Pure2DUtils()

Method Detail

getAssetBitmap

public static Bitmap getAssetBitmap(AssetManager assetManager,
                    java.lang.String assetPath,
                    TextureOptions options,
                    int[] outDimensions)

Create a texture from an asset file

Parameters:

assetManager -

assetPath -

options -

outDimensions -

Returns:

getResourceBitmap

public static Bitmap getResourceBitmap(Resources resources,
                       int resourceID,
                       TextureOptions options,
                       int[] outDimensions)

Create a texture from a resource

Parameters:

resources -

resourceID -

options -

outDimensions -

Returns:

getFileBitmap

public static Bitmap getFileBitmap(java.lang.String filePath,
                   TextureOptions options,
                   int[] outDimensions)

Create a texture from a file with a specified path

Parameters:

filePath -

options -

outDimensions -

Returns:

getStreamBitmap

public static Bitmap getStreamBitmap(java.io.InputStream stream,
                     TextureOptions options,
                     int[] outDimensions)

Create a texture from a stream

Parameters:

stream -

options -

outDimensions -

Returns:

getURLBitmap

public static Bitmap getURLBitmap(java.lang.String url,
                  TextureOptions options,
                  int[] outDimensions)

Create a bitmap from a URL

Parameters:

url -

options -

outDimensions -

Returns:

getUriBitmap

public static Bitmap getUriBitmap(Resources resources,
                  java.lang.String packageName,
                  java.lang.String uri,
                  TextureOptions options,
                  int[] outDimensions)

Create a bitmap from a uri. For example: asset://images/image1.png

Parameters:

resources - only required when uri is @drawable/ or asset://

packageName - only required when uri is @drawable/

uri -

options -

outDimensions -

Returns:

the bitmap

See Also:

Pure2DURI

getUriBitmapDimensions

public static boolean getUriBitmapDimensions(Resources resources,
                             java.lang.String packageName,
                             java.lang.String uri,
                             TextureOptions options,
                             int[] outDimensions)

Get dimensions of a Bitmap by its uri.

Parameters:

resources -

packageName -

uri -

options -

outDimensions -

Returns:

getTextBitmap

public static Bitmap getTextBitmap(java.lang.String text,
                   TextOptions options,
                   int[] outDimensions)

Create a bitmap with a specific text rendered on

Parameters:

text -

options -

outDimensions -

Returns:

convertBitmap

public static Bitmap convertBitmap(Bitmap bitmap,
                   TextureOptions options,
                   int[] outDimensions)

Check and convert the bitmap to (Power of 2) if required

Parameters:

bitmap -

options -

outDimensions -

Returns:

scaleBitmapToPo2

public static Bitmap scaleBitmapToPo2(Bitmap bitmap,
                      int[] outDimensions)

Scale the specified bitmap to the size of the closest-power-of-2 of the current size

Parameters:

bitmap -

outDimensions -

Returns:

texImage2DNonPremultipliedAlpha

public static void texImage2DNonPremultipliedAlpha(GL10 gl,
                                   Bitmap bitmap)

non-premultiplied alpha version of GLUtils.texImage2D(). Note: this method is Slow and should only be used when really necessary!

Parameters:

gl -

bitmap -

See Also:

GLUtils.texImage2D()

extractPixels

public static int[] extractPixels(Bitmap bitmap)

getNextPO2

public static int getNextPO2(int n)

Calculates the next highest power of two for a given integer.

Parameters:

n - the number

Returns:

a power of two equal to or higher than n

isPO2

public static boolean isPO2(int n)

getSmallestTextureSize

public static Point getSmallestTextureSize(int width,
                           int height,
                           int num,
                           int maxTextureSize,
                           boolean forcePo2)

Find the smallest area that contains multiples rect defined by width & height

Parameters:

width -

height -

num -

Returns:

getMatrix3DValues

public static void getMatrix3DValues(Matrix matrix2D,
                     float[] matrix3D)