| 16 | } |
| 17 | |
| 18 | static Valdi::AlphaType getAlphaType([[maybe_unused]] int32_t flags) { |
| 19 | #if defined(__ANDROID_API__) && __ANDROID_API__ >= 30 |
| 20 | // TODO(simon): The NDK doc doesn't specify whether we should first |
| 21 | // shift and mask or the opposite? I was not able to find a code sample of this. |
| 22 | // The shift value is currently 0 so it doesn't matter at the moment but it could |
| 23 | // later change. |
| 24 | auto alphaType = (flags >> ANDROID_BITMAP_FLAGS_ALPHA_SHIFT) & ANDROID_BITMAP_FLAGS_ALPHA_MASK; |
| 25 | if (alphaType == ANDROID_BITMAP_FLAGS_ALPHA_PREMUL) { |
| 26 | return Valdi::AlphaTypePremul; |
| 27 | } else if (alphaType == ANDROID_BITMAP_FLAGS_ALPHA_OPAQUE) { |
| 28 | return Valdi::AlphaTypeOpaque; |
| 29 | } else if (alphaType == ANDROID_BITMAP_FLAGS_ALPHA_UNPREMUL) { |
| 30 | return Valdi::AlphaTypeUnpremul; |
| 31 | } |
| 32 | |
| 33 | return Valdi::AlphaTypeOpaque; |
| 34 | #else |
| 35 | return Valdi::AlphaTypePremul; |
| 36 | #endif |
| 37 | } |
| 38 | |
| 39 | AndroidBitmap::AndroidBitmap(const JavaObject& bitmap) : _bitmap(bitmap, "Bitmap") {} |
| 40 | |