The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | #define LOG_TAG "BitmapFactory" |
| 2 | |
Joseph Wen | f1f48bc | 2010-07-19 16:59:51 +0800 | [diff] [blame] | 3 | #include "BitmapFactory.h" |
Leon Scroggins | a06d86a | 2011-03-02 16:56:54 -0500 | [diff] [blame] | 4 | #include "NinePatchPeeker.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 5 | #include "SkImageDecoder.h" |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 6 | #include "SkImageRef_ashmem.h" |
| 7 | #include "SkImageRef_GlobalPool.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 8 | #include "SkPixelRef.h" |
| 9 | #include "SkStream.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 10 | #include "SkTemplates.h" |
| 11 | #include "SkUtils.h" |
| 12 | #include "CreateJavaOutputStreamAdaptor.h" |
Joseph Wen | f1f48bc | 2010-07-19 16:59:51 +0800 | [diff] [blame] | 13 | #include "AutoDecodeCancel.h" |
Wei-Ta Chen | 6b849e2 | 2010-09-07 17:32:18 +0800 | [diff] [blame] | 14 | #include "Utils.h" |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 15 | #include "JNIHelp.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 16 | |
| 17 | #include <android_runtime/AndroidRuntime.h> |
| 18 | #include <utils/Asset.h> |
| 19 | #include <utils/ResourceTypes.h> |
| 20 | #include <netinet/in.h> |
| 21 | #include <sys/mman.h> |
Joseph Wen | 2dcfbef | 2010-09-10 10:15:09 +0800 | [diff] [blame] | 22 | #include <sys/stat.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 23 | |
Joseph Wen | f1f48bc | 2010-07-19 16:59:51 +0800 | [diff] [blame] | 24 | jfieldID gOptions_justBoundsFieldID; |
| 25 | jfieldID gOptions_sampleSizeFieldID; |
| 26 | jfieldID gOptions_configFieldID; |
Romain Guy | 2361098 | 2011-01-17 12:51:55 -0800 | [diff] [blame] | 27 | jfieldID gOptions_mutableFieldID; |
Joseph Wen | f1f48bc | 2010-07-19 16:59:51 +0800 | [diff] [blame] | 28 | jfieldID gOptions_ditherFieldID; |
| 29 | jfieldID gOptions_purgeableFieldID; |
| 30 | jfieldID gOptions_shareableFieldID; |
Wei-Ta Chen | 953f909 | 2010-12-03 14:06:18 -0800 | [diff] [blame] | 31 | jfieldID gOptions_preferQualityOverSpeedFieldID; |
Joseph Wen | f1f48bc | 2010-07-19 16:59:51 +0800 | [diff] [blame] | 32 | jfieldID gOptions_widthFieldID; |
| 33 | jfieldID gOptions_heightFieldID; |
| 34 | jfieldID gOptions_mimeFieldID; |
| 35 | jfieldID gOptions_mCancelID; |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 36 | jfieldID gOptions_bitmapFieldID; |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 37 | jfieldID gBitmap_nativeBitmapFieldID; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 38 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 39 | #if 0 |
| 40 | #define TRACE_BITMAP(code) code |
| 41 | #else |
| 42 | #define TRACE_BITMAP(code) |
| 43 | #endif |
| 44 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 45 | using namespace android; |
| 46 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 47 | static inline int32_t validOrNeg1(bool isValid, int32_t value) { |
| 48 | // return isValid ? value : -1; |
| 49 | SkASSERT((int)isValid == 0 || (int)isValid == 1); |
| 50 | return ((int32_t)isValid - 1) | value; |
| 51 | } |
| 52 | |
Joseph Wen | f1f48bc | 2010-07-19 16:59:51 +0800 | [diff] [blame] | 53 | jstring getMimeTypeString(JNIEnv* env, SkImageDecoder::Format format) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 54 | static const struct { |
| 55 | SkImageDecoder::Format fFormat; |
| 56 | const char* fMimeType; |
| 57 | } gMimeTypes[] = { |
| 58 | { SkImageDecoder::kBMP_Format, "image/bmp" }, |
| 59 | { SkImageDecoder::kGIF_Format, "image/gif" }, |
| 60 | { SkImageDecoder::kICO_Format, "image/x-ico" }, |
| 61 | { SkImageDecoder::kJPEG_Format, "image/jpeg" }, |
| 62 | { SkImageDecoder::kPNG_Format, "image/png" }, |
| 63 | { SkImageDecoder::kWBMP_Format, "image/vnd.wap.wbmp" } |
| 64 | }; |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 65 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 66 | const char* cstr = NULL; |
| 67 | for (size_t i = 0; i < SK_ARRAY_COUNT(gMimeTypes); i++) { |
| 68 | if (gMimeTypes[i].fFormat == format) { |
| 69 | cstr = gMimeTypes[i].fMimeType; |
| 70 | break; |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | jstring jstr = 0; |
| 75 | if (NULL != cstr) { |
| 76 | jstr = env->NewStringUTF(cstr); |
| 77 | } |
| 78 | return jstr; |
| 79 | } |
| 80 | |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 81 | static bool optionsPurgeable(JNIEnv* env, jobject options) { |
| 82 | return options != NULL && |
| 83 | env->GetBooleanField(options, gOptions_purgeableFieldID); |
| 84 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 85 | |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 86 | static bool optionsShareable(JNIEnv* env, jobject options) { |
| 87 | return options != NULL && |
| 88 | env->GetBooleanField(options, gOptions_shareableFieldID); |
| 89 | } |
| 90 | |
Bryan Mawhinney | 2a3d754 | 2010-11-03 17:23:57 +0000 | [diff] [blame] | 91 | static bool optionsJustBounds(JNIEnv* env, jobject options) { |
| 92 | return options != NULL && |
| 93 | env->GetBooleanField(options, gOptions_justBoundsFieldID); |
| 94 | } |
| 95 | |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 96 | static SkPixelRef* installPixelRef(SkBitmap* bitmap, SkStream* stream, |
Mike Reed | 1715441 | 2009-09-24 12:35:27 -0400 | [diff] [blame] | 97 | int sampleSize, bool ditherImage) { |
| 98 | SkImageRef* pr; |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 99 | // only use ashmem for large images, since mmaps come at a price |
Wei-Ta Chen | 2a2c5cd | 2009-06-03 14:08:04 -0700 | [diff] [blame] | 100 | if (bitmap->getSize() >= 32 * 1024) { |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 101 | pr = new SkImageRef_ashmem(stream, bitmap->config(), sampleSize); |
| 102 | } else { |
| 103 | pr = new SkImageRef_GlobalPool(stream, bitmap->config(), sampleSize); |
| 104 | } |
Mike Reed | 1715441 | 2009-09-24 12:35:27 -0400 | [diff] [blame] | 105 | pr->setDitherImage(ditherImage); |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 106 | bitmap->setPixelRef(pr)->unref(); |
Romain Guy | 288471d | 2010-08-19 14:41:16 -0700 | [diff] [blame] | 107 | pr->isOpaque(bitmap); |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 108 | return pr; |
| 109 | } |
| 110 | |
| 111 | // since we "may" create a purgeable imageref, we require the stream be ref'able |
| 112 | // i.e. dynamically allocated, since its lifetime may exceed the current stack |
| 113 | // frame. |
| 114 | static jobject doDecode(JNIEnv* env, SkStream* stream, jobject padding, |
Mike Reed | 36ad54a | 2010-03-10 10:28:10 -0500 | [diff] [blame] | 115 | jobject options, bool allowPurgeable, |
| 116 | bool forcePurgeable = false) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 117 | int sampleSize = 1; |
| 118 | SkImageDecoder::Mode mode = SkImageDecoder::kDecodePixels_Mode; |
| 119 | SkBitmap::Config prefConfig = SkBitmap::kNo_Config; |
| 120 | bool doDither = true; |
Romain Guy | 2361098 | 2011-01-17 12:51:55 -0800 | [diff] [blame] | 121 | bool isMutable = false; |
Mike Reed | 36ad54a | 2010-03-10 10:28:10 -0500 | [diff] [blame] | 122 | bool isPurgeable = forcePurgeable || |
| 123 | (allowPurgeable && optionsPurgeable(env, options)); |
Wei-Ta Chen | 953f909 | 2010-12-03 14:06:18 -0800 | [diff] [blame] | 124 | bool preferQualityOverSpeed = false; |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 125 | jobject javaBitmap = NULL; |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 126 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 127 | if (NULL != options) { |
| 128 | sampleSize = env->GetIntField(options, gOptions_sampleSizeFieldID); |
Bryan Mawhinney | 2a3d754 | 2010-11-03 17:23:57 +0000 | [diff] [blame] | 129 | if (optionsJustBounds(env, options)) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 130 | mode = SkImageDecoder::kDecodeBounds_Mode; |
| 131 | } |
| 132 | // initialize these, in case we fail later on |
| 133 | env->SetIntField(options, gOptions_widthFieldID, -1); |
| 134 | env->SetIntField(options, gOptions_heightFieldID, -1); |
| 135 | env->SetObjectField(options, gOptions_mimeFieldID, 0); |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 136 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 137 | jobject jconfig = env->GetObjectField(options, gOptions_configFieldID); |
| 138 | prefConfig = GraphicsJNI::getNativeBitmapConfig(env, jconfig); |
Romain Guy | 2361098 | 2011-01-17 12:51:55 -0800 | [diff] [blame] | 139 | isMutable = env->GetBooleanField(options, gOptions_mutableFieldID); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 140 | doDither = env->GetBooleanField(options, gOptions_ditherFieldID); |
Wei-Ta Chen | 953f909 | 2010-12-03 14:06:18 -0800 | [diff] [blame] | 141 | preferQualityOverSpeed = env->GetBooleanField(options, |
| 142 | gOptions_preferQualityOverSpeedFieldID); |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 143 | javaBitmap = env->GetObjectField(options, gOptions_bitmapFieldID); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 144 | } |
| 145 | |
| 146 | SkImageDecoder* decoder = SkImageDecoder::Factory(stream); |
| 147 | if (NULL == decoder) { |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 148 | return nullObjectReturn("SkImageDecoder::Factory returned null"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 149 | } |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 150 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 151 | decoder->setSampleSize(sampleSize); |
| 152 | decoder->setDitherImage(doDither); |
Wei-Ta Chen | 953f909 | 2010-12-03 14:06:18 -0800 | [diff] [blame] | 153 | decoder->setPreferQualityOverSpeed(preferQualityOverSpeed); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 154 | |
Mike Reed | 39f10ec | 2010-03-24 10:08:50 -0400 | [diff] [blame] | 155 | NinePatchPeeker peeker(decoder); |
Carl Shapiro | 2118b25 | 2010-12-17 18:03:38 -0800 | [diff] [blame] | 156 | JavaPixelAllocator javaAllocator(env); |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 157 | SkBitmap* bitmap; |
| 158 | if (javaBitmap == NULL) { |
| 159 | bitmap = new SkBitmap; |
| 160 | } else { |
Chet Haase | decc8cd | 2010-12-10 16:44:41 -0800 | [diff] [blame] | 161 | if (sampleSize != 1) { |
| 162 | return nullObjectReturn("SkImageDecoder: Cannot reuse bitmap with sampleSize != 1"); |
| 163 | } |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 164 | bitmap = (SkBitmap *) env->GetIntField(javaBitmap, gBitmap_nativeBitmapFieldID); |
| 165 | // config of supplied bitmap overrules config set in options |
| 166 | prefConfig = bitmap->getConfig(); |
| 167 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 168 | Res_png_9patch dummy9Patch; |
| 169 | |
| 170 | SkAutoTDelete<SkImageDecoder> add(decoder); |
Chet Haase | decc8cd | 2010-12-10 16:44:41 -0800 | [diff] [blame] | 171 | SkAutoTDelete<SkBitmap> adb(bitmap, (javaBitmap == NULL)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 172 | |
| 173 | decoder->setPeeker(&peeker); |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 174 | if (!isPurgeable) { |
| 175 | decoder->setAllocator(&javaAllocator); |
| 176 | } |
| 177 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 178 | AutoDecoderCancel adc(options, decoder); |
| 179 | |
Ray Chen | 0a6a0e9 | 2009-04-02 01:31:49 -0700 | [diff] [blame] | 180 | // To fix the race condition in case "requestCancelDecode" |
| 181 | // happens earlier than AutoDecoderCancel object is added |
| 182 | // to the gAutoDecoderCancelMutex linked list. |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 183 | if (NULL != options && env->GetBooleanField(options, gOptions_mCancelID)) { |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 184 | return nullObjectReturn("gOptions_mCancelID"); |
Ray Chen | 0a6a0e9 | 2009-04-02 01:31:49 -0700 | [diff] [blame] | 185 | } |
| 186 | |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 187 | SkImageDecoder::Mode decodeMode = mode; |
| 188 | if (isPurgeable) { |
| 189 | decodeMode = SkImageDecoder::kDecodeBounds_Mode; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 190 | } |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 191 | if (!decoder->decode(stream, bitmap, prefConfig, decodeMode, javaBitmap != NULL)) { |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 192 | return nullObjectReturn("decoder->decode returned false"); |
| 193 | } |
| 194 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 195 | // update options (if any) |
| 196 | if (NULL != options) { |
| 197 | env->SetIntField(options, gOptions_widthFieldID, bitmap->width()); |
| 198 | env->SetIntField(options, gOptions_heightFieldID, bitmap->height()); |
| 199 | // TODO: set the mimeType field with the data from the codec. |
| 200 | // but how to reuse a set of strings, rather than allocating new one |
| 201 | // each time? |
| 202 | env->SetObjectField(options, gOptions_mimeFieldID, |
| 203 | getMimeTypeString(env, decoder->getFormat())); |
| 204 | } |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 205 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 206 | // if we're in justBounds mode, return now (skip the java bitmap) |
| 207 | if (SkImageDecoder::kDecodeBounds_Mode == mode) { |
| 208 | return NULL; |
| 209 | } |
| 210 | |
| 211 | jbyteArray ninePatchChunk = NULL; |
| 212 | if (peeker.fPatchIsValid) { |
| 213 | size_t ninePatchArraySize = peeker.fPatch->serializedSize(); |
| 214 | ninePatchChunk = env->NewByteArray(ninePatchArraySize); |
| 215 | if (NULL == ninePatchChunk) { |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 216 | return nullObjectReturn("ninePatchChunk == null"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 217 | } |
| 218 | jbyte* array = (jbyte*)env->GetPrimitiveArrayCritical(ninePatchChunk, |
| 219 | NULL); |
| 220 | if (NULL == array) { |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 221 | return nullObjectReturn("primitive array == null"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 222 | } |
| 223 | peeker.fPatch->serialize(array); |
| 224 | env->ReleasePrimitiveArrayCritical(ninePatchChunk, array, 0); |
| 225 | } |
| 226 | |
Patrick Dubroy | e4ac2d6 | 2010-12-01 11:23:13 -0800 | [diff] [blame] | 227 | // detach bitmap from its autodeleter, since we want to own it now |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 228 | adb.detach(); |
| 229 | |
| 230 | if (padding) { |
| 231 | if (peeker.fPatchIsValid) { |
| 232 | GraphicsJNI::set_jrect(env, padding, |
| 233 | peeker.fPatch->paddingLeft, |
| 234 | peeker.fPatch->paddingTop, |
| 235 | peeker.fPatch->paddingRight, |
| 236 | peeker.fPatch->paddingBottom); |
| 237 | } else { |
| 238 | GraphicsJNI::set_jrect(env, padding, -1, -1, -1, -1); |
| 239 | } |
| 240 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 241 | |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 242 | SkPixelRef* pr; |
| 243 | if (isPurgeable) { |
Mike Reed | 1715441 | 2009-09-24 12:35:27 -0400 | [diff] [blame] | 244 | pr = installPixelRef(bitmap, stream, sampleSize, doDither); |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 245 | } else { |
| 246 | // if we get here, we're in kDecodePixels_Mode and will therefore |
| 247 | // already have a pixelref installed. |
| 248 | pr = bitmap->pixelRef(); |
| 249 | } |
Romain Guy | 2361098 | 2011-01-17 12:51:55 -0800 | [diff] [blame] | 250 | |
| 251 | if (!isMutable) { |
| 252 | // promise we will never change our pixels (great for sharing and pictures) |
| 253 | pr->setImmutable(); |
| 254 | } |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 255 | |
| 256 | if (javaBitmap != NULL) { |
| 257 | // If a java bitmap was passed in for reuse, pass it back |
| 258 | return javaBitmap; |
| 259 | } |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 260 | // now create the java bitmap |
Romain Guy | 2361098 | 2011-01-17 12:51:55 -0800 | [diff] [blame] | 261 | return GraphicsJNI::createBitmap(env, bitmap, javaAllocator.getStorageObj(), |
| 262 | isMutable, ninePatchChunk); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 263 | } |
| 264 | |
| 265 | static jobject nativeDecodeStream(JNIEnv* env, jobject clazz, |
| 266 | jobject is, // InputStream |
| 267 | jbyteArray storage, // byte[] |
| 268 | jobject padding, |
| 269 | jobject options) { // BitmapFactory$Options |
| 270 | jobject bitmap = NULL; |
Joseph Wen | f1f48bc | 2010-07-19 16:59:51 +0800 | [diff] [blame] | 271 | SkStream* stream = CreateJavaInputStreamAdaptor(env, is, storage, 0); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 272 | |
| 273 | if (stream) { |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 274 | // for now we don't allow purgeable with java inputstreams |
| 275 | bitmap = doDecode(env, stream, padding, options, false); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 276 | stream->unref(); |
| 277 | } |
| 278 | return bitmap; |
| 279 | } |
| 280 | |
| 281 | static ssize_t getFDSize(int fd) { |
Kenny Root | ddb76c4 | 2010-11-24 12:56:06 -0800 | [diff] [blame] | 282 | off64_t curr = ::lseek64(fd, 0, SEEK_CUR); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 283 | if (curr < 0) { |
| 284 | return 0; |
| 285 | } |
| 286 | size_t size = ::lseek(fd, 0, SEEK_END); |
Kenny Root | ddb76c4 | 2010-11-24 12:56:06 -0800 | [diff] [blame] | 287 | ::lseek64(fd, curr, SEEK_SET); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 288 | return size; |
| 289 | } |
| 290 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 291 | static jobject nativeDecodeFileDescriptor(JNIEnv* env, jobject clazz, |
| 292 | jobject fileDescriptor, |
| 293 | jobject padding, |
| 294 | jobject bitmapFactoryOptions) { |
| 295 | NPE_CHECK_RETURN_ZERO(env, fileDescriptor); |
| 296 | |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 297 | jint descriptor = jniGetFDFromFileDescriptor(env, fileDescriptor); |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 298 | |
| 299 | bool isPurgeable = optionsPurgeable(env, bitmapFactoryOptions); |
| 300 | bool isShareable = optionsShareable(env, bitmapFactoryOptions); |
| 301 | bool weOwnTheFD = false; |
| 302 | if (isPurgeable && isShareable) { |
| 303 | int newFD = ::dup(descriptor); |
| 304 | if (-1 != newFD) { |
| 305 | weOwnTheFD = true; |
| 306 | descriptor = newFD; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 307 | } |
| 308 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 309 | |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 310 | SkFDStream* stream = new SkFDStream(descriptor, weOwnTheFD); |
| 311 | SkAutoUnref aur(stream); |
| 312 | if (!stream->isValid()) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 313 | return NULL; |
| 314 | } |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 315 | |
| 316 | /* Restore our offset when we leave, so we can be called more than once |
| 317 | with the same descriptor. This is only required if we didn't dup the |
| 318 | file descriptor, but it is OK to do it all the time. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 319 | */ |
| 320 | AutoFDSeek as(descriptor); |
| 321 | |
Wei-Ta Chen | 2a2c5cd | 2009-06-03 14:08:04 -0700 | [diff] [blame] | 322 | /* Allow purgeable iff we own the FD, i.e., in the puregeable and |
| 323 | shareable case. |
| 324 | */ |
| 325 | return doDecode(env, stream, padding, bitmapFactoryOptions, weOwnTheFD); |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 326 | } |
| 327 | |
| 328 | /* make a deep copy of the asset, and return it as a stream, or NULL if there |
| 329 | was an error. |
| 330 | */ |
| 331 | static SkStream* copyAssetToStream(Asset* asset) { |
| 332 | // if we could "ref/reopen" the asset, we may not need to copy it here |
Kenny Root | ddb76c4 | 2010-11-24 12:56:06 -0800 | [diff] [blame] | 333 | off64_t size = asset->seek(0, SEEK_SET); |
| 334 | if ((off64_t)-1 == size) { |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 335 | SkDebugf("---- copyAsset: asset rewind failed\n"); |
| 336 | return NULL; |
| 337 | } |
| 338 | |
| 339 | size = asset->getLength(); |
| 340 | if (size <= 0) { |
| 341 | SkDebugf("---- copyAsset: asset->getLength() returned %d\n", size); |
| 342 | return NULL; |
| 343 | } |
| 344 | |
| 345 | SkStream* stream = new SkMemoryStream(size); |
| 346 | void* data = const_cast<void*>(stream->getMemoryBase()); |
Kenny Root | ddb76c4 | 2010-11-24 12:56:06 -0800 | [diff] [blame] | 347 | off64_t len = asset->read(data, size); |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 348 | if (len != size) { |
| 349 | SkDebugf("---- copyAsset: asset->read(%d) returned %d\n", size, len); |
| 350 | delete stream; |
| 351 | stream = NULL; |
| 352 | } |
| 353 | return stream; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 354 | } |
| 355 | |
| 356 | static jobject nativeDecodeAsset(JNIEnv* env, jobject clazz, |
| 357 | jint native_asset, // Asset |
| 358 | jobject padding, // Rect |
| 359 | jobject options) { // BitmapFactory$Options |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 360 | SkStream* stream; |
| 361 | Asset* asset = reinterpret_cast<Asset*>(native_asset); |
Romain Guy | 18ef3725 | 2010-08-19 15:10:54 -0700 | [diff] [blame] | 362 | bool forcePurgeable = optionsPurgeable(env, options); |
| 363 | if (forcePurgeable) { |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 364 | // if we could "ref/reopen" the asset, we may not need to copy it here |
| 365 | // and we could assume optionsShareable, since assets are always RO |
| 366 | stream = copyAssetToStream(asset); |
| 367 | if (NULL == stream) { |
| 368 | return NULL; |
| 369 | } |
| 370 | } else { |
| 371 | // since we know we'll be done with the asset when we return, we can |
| 372 | // just use a simple wrapper |
| 373 | stream = new AssetStreamAdaptor(asset); |
| 374 | } |
| 375 | SkAutoUnref aur(stream); |
Mike Reed | 36ad54a | 2010-03-10 10:28:10 -0500 | [diff] [blame] | 376 | return doDecode(env, stream, padding, options, true, forcePurgeable); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 377 | } |
| 378 | |
| 379 | static jobject nativeDecodeByteArray(JNIEnv* env, jobject, jbyteArray byteArray, |
| 380 | int offset, int length, jobject options) { |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 381 | /* If optionsShareable() we could decide to just wrap the java array and |
| 382 | share it, but that means adding a globalref to the java array object |
| 383 | and managing its lifetime. For now we just always copy the array's data |
Bryan Mawhinney | 2a3d754 | 2010-11-03 17:23:57 +0000 | [diff] [blame] | 384 | if optionsPurgeable(), unless we're just decoding bounds. |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 385 | */ |
Bryan Mawhinney | 2a3d754 | 2010-11-03 17:23:57 +0000 | [diff] [blame] | 386 | bool purgeable = optionsPurgeable(env, options) |
| 387 | && !optionsJustBounds(env, options); |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 388 | AutoJavaByteArray ar(env, byteArray); |
Bryan Mawhinney | 2a3d754 | 2010-11-03 17:23:57 +0000 | [diff] [blame] | 389 | SkStream* stream = new SkMemoryStream(ar.ptr() + offset, length, purgeable); |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 390 | SkAutoUnref aur(stream); |
Bryan Mawhinney | 2a3d754 | 2010-11-03 17:23:57 +0000 | [diff] [blame] | 391 | return doDecode(env, stream, NULL, options, purgeable); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 392 | } |
| 393 | |
| 394 | static void nativeRequestCancel(JNIEnv*, jobject joptions) { |
| 395 | (void)AutoDecoderCancel::RequestCancel(joptions); |
| 396 | } |
| 397 | |
| 398 | static jbyteArray nativeScaleNinePatch(JNIEnv* env, jobject, jbyteArray chunkObject, jfloat scale, |
| 399 | jobject padding) { |
| 400 | |
| 401 | jbyte* array = env->GetByteArrayElements(chunkObject, 0); |
| 402 | if (array != NULL) { |
| 403 | size_t chunkSize = env->GetArrayLength(chunkObject); |
| 404 | void* storage = alloca(chunkSize); |
| 405 | android::Res_png_9patch* chunk = static_cast<android::Res_png_9patch*>(storage); |
| 406 | memcpy(chunk, array, chunkSize); |
| 407 | android::Res_png_9patch::deserialize(chunk); |
| 408 | |
| 409 | chunk->paddingLeft = int(chunk->paddingLeft * scale + 0.5f); |
| 410 | chunk->paddingTop = int(chunk->paddingTop * scale + 0.5f); |
| 411 | chunk->paddingRight = int(chunk->paddingRight * scale + 0.5f); |
| 412 | chunk->paddingBottom = int(chunk->paddingBottom * scale + 0.5f); |
| 413 | |
| 414 | for (int i = 0; i < chunk->numXDivs; i++) { |
| 415 | chunk->xDivs[i] = int(chunk->xDivs[i] * scale + 0.5f); |
| 416 | if (i > 0 && chunk->xDivs[i] == chunk->xDivs[i - 1]) { |
| 417 | chunk->xDivs[i]++; |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | for (int i = 0; i < chunk->numYDivs; i++) { |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 422 | chunk->yDivs[i] = int(chunk->yDivs[i] * scale + 0.5f); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 423 | if (i > 0 && chunk->yDivs[i] == chunk->yDivs[i - 1]) { |
| 424 | chunk->yDivs[i]++; |
| 425 | } |
| 426 | } |
| 427 | |
| 428 | memcpy(array, chunk, chunkSize); |
| 429 | |
| 430 | if (padding) { |
| 431 | GraphicsJNI::set_jrect(env, padding, chunk->paddingLeft, chunk->paddingTop, |
| 432 | chunk->paddingRight, chunk->paddingBottom); |
| 433 | } |
| 434 | |
| 435 | env->ReleaseByteArrayElements(chunkObject, array, 0); |
| 436 | } |
| 437 | return chunkObject; |
| 438 | } |
| 439 | |
Mike Reed | ab4a0c1 | 2010-01-26 10:13:53 -0500 | [diff] [blame] | 440 | static void nativeSetDefaultConfig(JNIEnv* env, jobject, int nativeConfig) { |
| 441 | SkBitmap::Config config = static_cast<SkBitmap::Config>(nativeConfig); |
| 442 | |
| 443 | // these are the only default configs that make sense for codecs right now |
| 444 | static const SkBitmap::Config gValidDefConfig[] = { |
| 445 | SkBitmap::kRGB_565_Config, |
| 446 | SkBitmap::kARGB_8888_Config, |
| 447 | }; |
| 448 | |
| 449 | for (size_t i = 0; i < SK_ARRAY_COUNT(gValidDefConfig); i++) { |
| 450 | if (config == gValidDefConfig[i]) { |
| 451 | SkImageDecoder::SetDeviceConfig(config); |
| 452 | break; |
| 453 | } |
| 454 | } |
| 455 | } |
| 456 | |
Owen Lin | a9d0d47 | 2011-01-18 17:39:15 +0800 | [diff] [blame] | 457 | static jboolean nativeIsSeekable(JNIEnv* env, jobject, jobject fileDescriptor) { |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 458 | jint descriptor = jniGetFDFromFileDescriptor(env, fileDescriptor); |
Owen Lin | a9d0d47 | 2011-01-18 17:39:15 +0800 | [diff] [blame] | 459 | return ::lseek64(descriptor, 0, SEEK_CUR) != -1 ? JNI_TRUE : JNI_FALSE; |
| 460 | } |
| 461 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 462 | /////////////////////////////////////////////////////////////////////////////// |
| 463 | |
| 464 | static JNINativeMethod gMethods[] = { |
| 465 | { "nativeDecodeStream", |
| 466 | "(Ljava/io/InputStream;[BLandroid/graphics/Rect;Landroid/graphics/BitmapFactory$Options;)Landroid/graphics/Bitmap;", |
| 467 | (void*)nativeDecodeStream |
| 468 | }, |
| 469 | |
| 470 | { "nativeDecodeFileDescriptor", |
| 471 | "(Ljava/io/FileDescriptor;Landroid/graphics/Rect;Landroid/graphics/BitmapFactory$Options;)Landroid/graphics/Bitmap;", |
| 472 | (void*)nativeDecodeFileDescriptor |
| 473 | }, |
| 474 | |
| 475 | { "nativeDecodeAsset", |
| 476 | "(ILandroid/graphics/Rect;Landroid/graphics/BitmapFactory$Options;)Landroid/graphics/Bitmap;", |
| 477 | (void*)nativeDecodeAsset |
| 478 | }, |
| 479 | |
| 480 | { "nativeDecodeByteArray", |
| 481 | "([BIILandroid/graphics/BitmapFactory$Options;)Landroid/graphics/Bitmap;", |
| 482 | (void*)nativeDecodeByteArray |
| 483 | }, |
| 484 | |
| 485 | { "nativeScaleNinePatch", |
| 486 | "([BFLandroid/graphics/Rect;)[B", |
| 487 | (void*)nativeScaleNinePatch |
Mike Reed | ab4a0c1 | 2010-01-26 10:13:53 -0500 | [diff] [blame] | 488 | }, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 489 | |
Mike Reed | ab4a0c1 | 2010-01-26 10:13:53 -0500 | [diff] [blame] | 490 | { "nativeSetDefaultConfig", "(I)V", (void*)nativeSetDefaultConfig }, |
Owen Lin | a9d0d47 | 2011-01-18 17:39:15 +0800 | [diff] [blame] | 491 | |
| 492 | { "nativeIsSeekable", |
| 493 | "(Ljava/io/FileDescriptor;)Z", |
| 494 | (void*)nativeIsSeekable |
| 495 | }, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 496 | }; |
| 497 | |
| 498 | static JNINativeMethod gOptionsMethods[] = { |
| 499 | { "requestCancel", "()V", (void*)nativeRequestCancel } |
| 500 | }; |
| 501 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 502 | static jfieldID getFieldIDCheck(JNIEnv* env, jclass clazz, |
| 503 | const char fieldname[], const char type[]) { |
| 504 | jfieldID id = env->GetFieldID(clazz, fieldname, type); |
| 505 | SkASSERT(id); |
| 506 | return id; |
| 507 | } |
| 508 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 509 | int register_android_graphics_BitmapFactory(JNIEnv* env) { |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 510 | jclass options_class = env->FindClass("android/graphics/BitmapFactory$Options"); |
| 511 | SkASSERT(options_class); |
| 512 | gOptions_bitmapFieldID = getFieldIDCheck(env, options_class, "inBitmap", |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 513 | "Landroid/graphics/Bitmap;"); |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 514 | gOptions_justBoundsFieldID = getFieldIDCheck(env, options_class, "inJustDecodeBounds", "Z"); |
| 515 | gOptions_sampleSizeFieldID = getFieldIDCheck(env, options_class, "inSampleSize", "I"); |
| 516 | gOptions_configFieldID = getFieldIDCheck(env, options_class, "inPreferredConfig", |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 517 | "Landroid/graphics/Bitmap$Config;"); |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 518 | gOptions_mutableFieldID = getFieldIDCheck(env, options_class, "inMutable", "Z"); |
| 519 | gOptions_ditherFieldID = getFieldIDCheck(env, options_class, "inDither", "Z"); |
| 520 | gOptions_purgeableFieldID = getFieldIDCheck(env, options_class, "inPurgeable", "Z"); |
| 521 | gOptions_shareableFieldID = getFieldIDCheck(env, options_class, "inInputShareable", "Z"); |
| 522 | gOptions_preferQualityOverSpeedFieldID = getFieldIDCheck(env, options_class, |
Wei-Ta Chen | 953f909 | 2010-12-03 14:06:18 -0800 | [diff] [blame] | 523 | "inPreferQualityOverSpeed", "Z"); |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 524 | gOptions_widthFieldID = getFieldIDCheck(env, options_class, "outWidth", "I"); |
| 525 | gOptions_heightFieldID = getFieldIDCheck(env, options_class, "outHeight", "I"); |
| 526 | gOptions_mimeFieldID = getFieldIDCheck(env, options_class, "outMimeType", "Ljava/lang/String;"); |
| 527 | gOptions_mCancelID = getFieldIDCheck(env, options_class, "mCancel", "Z"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 528 | |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 529 | jclass bitmap_class = env->FindClass("android/graphics/Bitmap"); |
| 530 | SkASSERT(bitmap_class); |
| 531 | gBitmap_nativeBitmapFieldID = getFieldIDCheck(env, bitmap_class, "mNativeBitmap", "I"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 532 | |
| 533 | int ret = AndroidRuntime::registerNativeMethods(env, |
| 534 | "android/graphics/BitmapFactory$Options", |
| 535 | gOptionsMethods, |
| 536 | SK_ARRAY_COUNT(gOptionsMethods)); |
| 537 | if (ret) { |
| 538 | return ret; |
| 539 | } |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 540 | return android::AndroidRuntime::registerNativeMethods(env, "android/graphics/BitmapFactory", |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 541 | gMethods, SK_ARRAY_COUNT(gMethods)); |
| 542 | } |