com.mapbox.mapboxsdk.utils

Class BitmapUtils

java.lang.Object

com.mapbox.mapboxsdk.utils.BitmapUtils

public class BitmapUtils
extends java.lang.Object

Utility class for creating bitmaps

Constructor Summary

Constructors

Constructor and Description
BitmapUtils()

Method Summary

Modifier and Type	Method and Description
static android.graphics.Bitmap	createBitmapFromView(android.view.View view) Convert a view to a bitmap.
static boolean	equals(android.graphics.Bitmap bitmap, android.graphics.Bitmap other) Validates if the bytes of a bitmap matches another
static android.graphics.Bitmap	getBitmapFromDrawable(android.graphics.drawable.Drawable sourceDrawable) Extract an underlying bitmap from a drawable
static byte[]	getByteArrayFromDrawable(android.graphics.drawable.Drawable drawable) Create a byte array out of drawable
static android.graphics.drawable.Drawable	getDrawableFromByteArray(android.content.Context context, byte[] array) Decode byte array to drawable object
static android.graphics.drawable.Drawable	getDrawableFromRes(android.content.Context context, int drawableRes) Get a drawable from a resource.
static android.graphics.drawable.Drawable	getDrawableFromRes(android.content.Context context, int drawableRes, java.lang.Integer tintColor) Get a tinted drawable from a resource.
static android.graphics.Bitmap	mergeBitmap(android.graphics.Bitmap background, android.graphics.Bitmap foreground) Create a bitmap from a background and a foreground bitmap
static android.graphics.Bitmap	mergeBitmap(android.graphics.Bitmap background, android.graphics.Bitmap foreground, float left, float top) Create a bitmap from a background and a foreground bitmap

Methods inherited from class java.lang.Object

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

Constructor Detail

BitmapUtils

public BitmapUtils()

Method Detail

createBitmapFromView

public static android.graphics.Bitmap createBitmapFromView(@NonNull
                                                           android.view.View view)

Convert a view to a bitmap.

Parameters:

view - the view to convert

Returns:

the converted bitmap

mergeBitmap

public static android.graphics.Bitmap mergeBitmap(@NonNull
                                                  android.graphics.Bitmap background,
                                                  @NonNull
                                                  android.graphics.Bitmap foreground)

Create a bitmap from a background and a foreground bitmap

Parameters:

background - The bitmap placed in the background

foreground - The bitmap placed in the foreground

Returns:

the merged bitmap

mergeBitmap

public static android.graphics.Bitmap mergeBitmap(@NonNull
                                                  android.graphics.Bitmap background,
                                                  @NonNull
                                                  android.graphics.Bitmap foreground,
                                                  float left,
                                                  float top)

Create a bitmap from a background and a foreground bitmap

Parameters:

background - The bitmap placed in the background

foreground - The bitmap placed in the foreground

left - position of the left side of the foreground bitmap

top - position of the top side of the foreground bitmap

Returns:

the merged bitmap

getBitmapFromDrawable

@Nullable
public static android.graphics.Bitmap getBitmapFromDrawable(@Nullable
                                                                      android.graphics.drawable.Drawable sourceDrawable)

Extract an underlying bitmap from a drawable

Parameters:

sourceDrawable - The source drawable

Returns:

The underlying bitmap

getByteArrayFromDrawable

@Nullable
public static byte[] getByteArrayFromDrawable(@Nullable
                                                        android.graphics.drawable.Drawable drawable)

Create a byte array out of drawable

Parameters:

drawable - The source drawable

Returns:

The byte array of source drawable

getDrawableFromByteArray

@Nullable
public static android.graphics.drawable.Drawable getDrawableFromByteArray(@NonNull
                                                                                    android.content.Context context,
                                                                                    @Nullable
                                                                                    byte[] array)

Decode byte array to drawable object

Parameters:

context - Context to obtain Resources

array - The source byte array

Returns:

The drawable created from source byte array

getDrawableFromRes

@Nullable
public static android.graphics.drawable.Drawable getDrawableFromRes(@NonNull
                                                                              android.content.Context context,
                                                                              @DrawableRes
                                                                              int drawableRes)

Get a drawable from a resource.

Parameters:

context - Context to obtain Resources

drawableRes - Drawable resource

Returns:

The drawable created from the resource

getDrawableFromRes

@Nullable
public static android.graphics.drawable.Drawable getDrawableFromRes(@NonNull
                                                                              android.content.Context context,
                                                                              @DrawableRes
                                                                              int drawableRes,
                                                                              @Nullable
                                                                              java.lang.Integer tintColor)

Get a tinted drawable from a resource.

Parameters:

context - Context to obtain Resources

drawableRes - Drawable resource

tintColor - Tint color

Returns:

The drawable created from the resource

equals

public static boolean equals(android.graphics.Bitmap bitmap,
                             android.graphics.Bitmap other)

Validates if the bytes of a bitmap matches another

Parameters:

bitmap - the bitmap to be compared against

other - the bitmap to compare with

Returns:

true if equal