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Commit 0dd622ef authored by Leon Scroggins III's avatar Leon Scroggins III
Browse files

Add alpha to AndroidBitmapInfo 

Bug: 135133301
Test: If8859321c1b7e5149029f931e4d11ec6eeeb260a
Change-Id: I3577602444837b703fcbf6498bd00e1ee1c97e09
parent c60275b6

include/android/bitmap.h

+17 −2
Original line number Diff line number Diff line
@@ -64,6 +64,20 @@ enum AndroidBitmapFormat { 
    ANDROID_BITMAP_FORMAT_RGBA_F16  = 9,

};



/** Bitmap alpha format */

enum {

    /** Pixel components are premultiplied by alpha. */

    ANDROID_BITMAP_FLAGS_ALPHA_PREMUL   = 0,

    /** Pixels are opaque. */

    ANDROID_BITMAP_FLAGS_ALPHA_OPAQUE   = 1,

    /** Pixel components are independent of alpha. */

    ANDROID_BITMAP_FLAGS_ALPHA_UNPREMUL = 2,

    /** Bit mask for AndroidBitmapFormat.flags to isolate the alpha. */

    ANDROID_BITMAP_FLAGS_ALPHA_MASK     = 0x3,

    /** Shift for AndroidBitmapFormat.flags to isolate the alpha. */

    ANDROID_BITMAP_FLAGS_ALPHA_SHIFT    = 0,

};



/** Bitmap info, see AndroidBitmap_getInfo(). */

typedef struct {

    /** The bitmap width in pixels. */
@@ -74,8 +88,9 @@ typedef struct { 
    uint32_t    stride;

    /** The bitmap pixel format. See {@link AndroidBitmapFormat} */

    int32_t     format;

    /** Unused. */

    uint32_t    flags;      // 0 for now

    /** Two bits are used to encode alpha. Use ANDROID_BITMAP_FLAGS_ALPHA_MASK

      * and ANDROID_BITMAP_FLAGS_ALPHA_SHIFT to retrieve them. */

    uint32_t    flags;

} AndroidBitmapInfo;



/**