Derek Sollenberger | 9ca5bbe | 2019-08-14 15:50:59 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Derek Sollenberger | 6c41ab1 | 2019-11-08 08:50:58 -0500 | [diff] [blame^] | 17 | #define LOG_TAG "Bitmap" |
| 18 | #include <log/log.h> |
| 19 | |
Derek Sollenberger | 9ca5bbe | 2019-08-14 15:50:59 -0400 | [diff] [blame] | 20 | #include "android/graphics/bitmap.h" |
Derek Sollenberger | 9ca5bbe | 2019-08-14 15:50:59 -0400 | [diff] [blame] | 21 | #include "TypeCast.h" |
Derek Sollenberger | 213daca | 2019-10-25 14:17:32 -0400 | [diff] [blame] | 22 | #include "GraphicsJNI.h" |
Derek Sollenberger | 9ca5bbe | 2019-08-14 15:50:59 -0400 | [diff] [blame] | 23 | |
Derek Sollenberger | 6c41ab1 | 2019-11-08 08:50:58 -0500 | [diff] [blame^] | 24 | #include <GraphicsJNI.h> |
Derek Sollenberger | 9ca5bbe | 2019-08-14 15:50:59 -0400 | [diff] [blame] | 25 | #include <hwui/Bitmap.h> |
| 26 | |
| 27 | using namespace android; |
| 28 | |
| 29 | ABitmap* ABitmap_acquireBitmapFromJava(JNIEnv* env, jobject bitmapObj) { |
Derek Sollenberger | 6c41ab1 | 2019-11-08 08:50:58 -0500 | [diff] [blame^] | 30 | Bitmap* bitmap = GraphicsJNI::getNativeBitmap(env, bitmapObj); |
| 31 | if (bitmap) { |
| 32 | bitmap->ref(); |
| 33 | return TypeCast::toABitmap(bitmap); |
| 34 | } |
| 35 | return nullptr; |
Derek Sollenberger | 9ca5bbe | 2019-08-14 15:50:59 -0400 | [diff] [blame] | 36 | } |
| 37 | |
| 38 | void ABitmap_acquireRef(ABitmap* bitmap) { |
| 39 | SkSafeRef(TypeCast::toBitmap(bitmap)); |
| 40 | } |
| 41 | |
| 42 | void ABitmap_releaseRef(ABitmap* bitmap) { |
| 43 | SkSafeUnref(TypeCast::toBitmap(bitmap)); |
| 44 | } |
| 45 | |
Derek Sollenberger | 6c41ab1 | 2019-11-08 08:50:58 -0500 | [diff] [blame^] | 46 | static AndroidBitmapFormat getFormat(const SkImageInfo& info) { |
| 47 | switch (info.colorType()) { |
Derek Sollenberger | 9ca5bbe | 2019-08-14 15:50:59 -0400 | [diff] [blame] | 48 | case kN32_SkColorType: |
| 49 | return ANDROID_BITMAP_FORMAT_RGBA_8888; |
| 50 | case kRGB_565_SkColorType: |
| 51 | return ANDROID_BITMAP_FORMAT_RGB_565; |
| 52 | case kARGB_4444_SkColorType: |
| 53 | return ANDROID_BITMAP_FORMAT_RGBA_4444; |
| 54 | case kAlpha_8_SkColorType: |
| 55 | return ANDROID_BITMAP_FORMAT_A_8; |
| 56 | case kRGBA_F16_SkColorType: |
| 57 | return ANDROID_BITMAP_FORMAT_RGBA_F16; |
| 58 | default: |
| 59 | return ANDROID_BITMAP_FORMAT_NONE; |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | static SkColorType getColorType(AndroidBitmapFormat format) { |
| 64 | switch (format) { |
| 65 | case ANDROID_BITMAP_FORMAT_RGBA_8888: |
| 66 | return kN32_SkColorType; |
| 67 | case ANDROID_BITMAP_FORMAT_RGB_565: |
| 68 | return kRGB_565_SkColorType; |
| 69 | case ANDROID_BITMAP_FORMAT_RGBA_4444: |
| 70 | return kARGB_4444_SkColorType; |
| 71 | case ANDROID_BITMAP_FORMAT_A_8: |
| 72 | return kAlpha_8_SkColorType; |
| 73 | case ANDROID_BITMAP_FORMAT_RGBA_F16: |
| 74 | return kRGBA_F16_SkColorType; |
| 75 | default: |
| 76 | return kUnknown_SkColorType; |
| 77 | } |
| 78 | } |
| 79 | |
Derek Sollenberger | 6c41ab1 | 2019-11-08 08:50:58 -0500 | [diff] [blame^] | 80 | static uint32_t getInfoFlags(const SkImageInfo& info) { |
| 81 | switch (info.alphaType()) { |
| 82 | case kUnknown_SkAlphaType: |
| 83 | LOG_ALWAYS_FATAL("Bitmap has no alpha type"); |
| 84 | break; |
| 85 | case kOpaque_SkAlphaType: |
| 86 | return ANDROID_BITMAP_FLAGS_ALPHA_OPAQUE; |
| 87 | case kPremul_SkAlphaType: |
| 88 | return ANDROID_BITMAP_FLAGS_ALPHA_PREMUL; |
| 89 | case kUnpremul_SkAlphaType: |
| 90 | return ANDROID_BITMAP_FLAGS_ALPHA_UNPREMUL; |
| 91 | } |
| 92 | } |
| 93 | |
Derek Sollenberger | 9ca5bbe | 2019-08-14 15:50:59 -0400 | [diff] [blame] | 94 | ABitmap* ABitmap_copy(ABitmap* srcBitmapHandle, AndroidBitmapFormat dstFormat) { |
| 95 | SkColorType dstColorType = getColorType(dstFormat); |
| 96 | if (srcBitmapHandle && dstColorType != kUnknown_SkColorType) { |
| 97 | SkBitmap srcBitmap; |
| 98 | TypeCast::toBitmap(srcBitmapHandle)->getSkBitmap(&srcBitmap); |
| 99 | |
| 100 | sk_sp<Bitmap> dstBitmap = |
| 101 | Bitmap::allocateHeapBitmap(srcBitmap.info().makeColorType(dstColorType)); |
| 102 | if (dstBitmap && srcBitmap.readPixels(dstBitmap->info(), dstBitmap->pixels(), |
| 103 | dstBitmap->rowBytes(), 0, 0)) { |
| 104 | return TypeCast::toABitmap(dstBitmap.release()); |
| 105 | } |
| 106 | } |
| 107 | return nullptr; |
| 108 | } |
| 109 | |
Derek Sollenberger | 6c41ab1 | 2019-11-08 08:50:58 -0500 | [diff] [blame^] | 110 | static AndroidBitmapInfo getInfo(const SkImageInfo& imageInfo, uint32_t rowBytes) { |
| 111 | AndroidBitmapInfo info; |
| 112 | info.width = imageInfo.width(); |
| 113 | info.height = imageInfo.height(); |
| 114 | info.stride = rowBytes; |
| 115 | info.format = getFormat(imageInfo); |
| 116 | info.flags = getInfoFlags(imageInfo); |
| 117 | return info; |
| 118 | } |
| 119 | |
Derek Sollenberger | 9ca5bbe | 2019-08-14 15:50:59 -0400 | [diff] [blame] | 120 | AndroidBitmapInfo ABitmap_getInfo(ABitmap* bitmapHandle) { |
| 121 | Bitmap* bitmap = TypeCast::toBitmap(bitmapHandle); |
Derek Sollenberger | 6c41ab1 | 2019-11-08 08:50:58 -0500 | [diff] [blame^] | 122 | return getInfo(bitmap->info(), bitmap->rowBytes()); |
| 123 | } |
Derek Sollenberger | 9ca5bbe | 2019-08-14 15:50:59 -0400 | [diff] [blame] | 124 | |
Derek Sollenberger | 6c41ab1 | 2019-11-08 08:50:58 -0500 | [diff] [blame^] | 125 | AndroidBitmapInfo ABitmap_getInfoFromJava(JNIEnv* env, jobject bitmapObj) { |
| 126 | uint32_t rowBytes = 0; |
| 127 | SkImageInfo imageInfo = GraphicsJNI::getBitmapInfo(env, bitmapObj, &rowBytes); |
| 128 | return getInfo(imageInfo, rowBytes); |
Derek Sollenberger | 9ca5bbe | 2019-08-14 15:50:59 -0400 | [diff] [blame] | 129 | } |
| 130 | |
| 131 | void* ABitmap_getPixels(ABitmap* bitmapHandle) { |
| 132 | Bitmap* bitmap = TypeCast::toBitmap(bitmapHandle); |
| 133 | if (bitmap->isHardware()) { |
| 134 | return nullptr; |
| 135 | } |
| 136 | return bitmap->pixels(); |
| 137 | } |
Derek Sollenberger | 213daca | 2019-10-25 14:17:32 -0400 | [diff] [blame] | 138 | |
| 139 | AndroidBitmapFormat ABitmapConfig_getFormatFromConfig(JNIEnv* env, jobject bitmapConfigObj) { |
Derek Sollenberger | 6c41ab1 | 2019-11-08 08:50:58 -0500 | [diff] [blame^] | 140 | return GraphicsJNI::getFormatFromConfig(env, bitmapConfigObj); |
Derek Sollenberger | 213daca | 2019-10-25 14:17:32 -0400 | [diff] [blame] | 141 | } |
| 142 | |
| 143 | jobject ABitmapConfig_getConfigFromFormat(JNIEnv* env, AndroidBitmapFormat format) { |
Derek Sollenberger | 6c41ab1 | 2019-11-08 08:50:58 -0500 | [diff] [blame^] | 144 | return GraphicsJNI::getConfigFromFormat(env, format); |
| 145 | } |
| 146 | |
| 147 | void ABitmap_notifyPixelsChanged(ABitmap* bitmapHandle) { |
| 148 | Bitmap* bitmap = TypeCast::toBitmap(bitmapHandle); |
| 149 | if (bitmap->isImmutable()) { |
| 150 | ALOGE("Attempting to modify an immutable Bitmap!"); |
| 151 | } |
| 152 | return bitmap->notifyPixelsChanged(); |
Derek Sollenberger | 213daca | 2019-10-25 14:17:32 -0400 | [diff] [blame] | 153 | } |