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" |
Leon Scroggins III | 7315f1b | 2013-09-10 20:26:05 -0400 | [diff] [blame] | 5 | #include "SkFrontBufferedStream.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 6 | #include "SkImageDecoder.h" |
Leon Scroggins | 46cb9bd | 2014-03-06 15:36:39 -0500 | [diff] [blame] | 7 | #include "SkMath.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" |
Chris Craik | 1abf5d6 | 2013-08-16 12:47:03 -0700 | [diff] [blame] | 16 | #include "GraphicsJNI.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 17 | |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 18 | #include "core_jni_helpers.h" |
Mathias Agopian | b13b9bd | 2012-02-17 18:27:36 -0800 | [diff] [blame] | 19 | #include <androidfw/Asset.h> |
| 20 | #include <androidfw/ResourceTypes.h> |
Chris Craik | bd8db2e8 | 2014-08-20 16:31:57 -0700 | [diff] [blame] | 21 | #include <cutils/compiler.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 22 | #include <netinet/in.h> |
Leon Scroggins III | 0102f8a | 2014-01-14 15:14:57 -0500 | [diff] [blame] | 23 | #include <stdio.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 24 | #include <sys/mman.h> |
Joseph Wen | 2dcfbef | 2010-09-10 10:15:09 +0800 | [diff] [blame] | 25 | #include <sys/stat.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 26 | |
Joseph Wen | f1f48bc | 2010-07-19 16:59:51 +0800 | [diff] [blame] | 27 | jfieldID gOptions_justBoundsFieldID; |
| 28 | jfieldID gOptions_sampleSizeFieldID; |
| 29 | jfieldID gOptions_configFieldID; |
Chris Craik | 1abf5d6 | 2013-08-16 12:47:03 -0700 | [diff] [blame] | 30 | jfieldID gOptions_premultipliedFieldID; |
Romain Guy | 2361098 | 2011-01-17 12:51:55 -0800 | [diff] [blame] | 31 | jfieldID gOptions_mutableFieldID; |
Joseph Wen | f1f48bc | 2010-07-19 16:59:51 +0800 | [diff] [blame] | 32 | jfieldID gOptions_ditherFieldID; |
Wei-Ta Chen | 953f909 | 2010-12-03 14:06:18 -0800 | [diff] [blame] | 33 | jfieldID gOptions_preferQualityOverSpeedFieldID; |
Chris Craik | 905e824 | 2013-06-05 09:59:05 -0700 | [diff] [blame] | 34 | jfieldID gOptions_scaledFieldID; |
| 35 | jfieldID gOptions_densityFieldID; |
| 36 | jfieldID gOptions_screenDensityFieldID; |
| 37 | jfieldID gOptions_targetDensityFieldID; |
Joseph Wen | f1f48bc | 2010-07-19 16:59:51 +0800 | [diff] [blame] | 38 | jfieldID gOptions_widthFieldID; |
| 39 | jfieldID gOptions_heightFieldID; |
| 40 | jfieldID gOptions_mimeFieldID; |
| 41 | jfieldID gOptions_mCancelID; |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 42 | jfieldID gOptions_bitmapFieldID; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 43 | |
Chris Craik | 47cd8e9 | 2014-07-08 17:13:08 -0700 | [diff] [blame] | 44 | jfieldID gBitmap_ninePatchInsetsFieldID; |
| 45 | |
| 46 | jclass gInsetStruct_class; |
| 47 | jmethodID gInsetStruct_constructorMethodID; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 48 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 49 | using namespace android; |
| 50 | |
Joseph Wen | f1f48bc | 2010-07-19 16:59:51 +0800 | [diff] [blame] | 51 | jstring getMimeTypeString(JNIEnv* env, SkImageDecoder::Format format) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 52 | static const struct { |
| 53 | SkImageDecoder::Format fFormat; |
| 54 | const char* fMimeType; |
| 55 | } gMimeTypes[] = { |
| 56 | { SkImageDecoder::kBMP_Format, "image/bmp" }, |
| 57 | { SkImageDecoder::kGIF_Format, "image/gif" }, |
| 58 | { SkImageDecoder::kICO_Format, "image/x-ico" }, |
| 59 | { SkImageDecoder::kJPEG_Format, "image/jpeg" }, |
| 60 | { SkImageDecoder::kPNG_Format, "image/png" }, |
Chris Craik | 95587f9 | 2013-07-12 19:46:19 -0700 | [diff] [blame] | 61 | { SkImageDecoder::kWEBP_Format, "image/webp" }, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 62 | { SkImageDecoder::kWBMP_Format, "image/vnd.wap.wbmp" } |
| 63 | }; |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 64 | |
Vladimir Marko | 7ab249a | 2015-01-06 18:17:52 +0000 | [diff] [blame] | 65 | const char* cstr = nullptr; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 66 | for (size_t i = 0; i < SK_ARRAY_COUNT(gMimeTypes); i++) { |
| 67 | if (gMimeTypes[i].fFormat == format) { |
| 68 | cstr = gMimeTypes[i].fMimeType; |
| 69 | break; |
| 70 | } |
| 71 | } |
| 72 | |
Vladimir Marko | 7ab249a | 2015-01-06 18:17:52 +0000 | [diff] [blame] | 73 | jstring jstr = nullptr; |
| 74 | if (cstr != nullptr) { |
| 75 | // NOTE: Caller should env->ExceptionCheck() for OOM |
| 76 | // (can't check for nullptr as it's a valid return value) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 77 | jstr = env->NewStringUTF(cstr); |
| 78 | } |
| 79 | return jstr; |
| 80 | } |
| 81 | |
Bryan Mawhinney | 2a3d754 | 2010-11-03 17:23:57 +0000 | [diff] [blame] | 82 | static bool optionsJustBounds(JNIEnv* env, jobject options) { |
Romain Guy | caf813f | 2012-03-15 18:57:48 -0700 | [diff] [blame] | 83 | return options != NULL && env->GetBooleanField(options, gOptions_justBoundsFieldID); |
Bryan Mawhinney | 2a3d754 | 2010-11-03 17:23:57 +0000 | [diff] [blame] | 84 | } |
| 85 | |
Chris Craik | bd8db2e8 | 2014-08-20 16:31:57 -0700 | [diff] [blame] | 86 | static void scaleDivRange(int32_t* divs, int count, float scale, int maxValue) { |
| 87 | for (int i = 0; i < count; i++) { |
| 88 | divs[i] = int32_t(divs[i] * scale + 0.5f); |
| 89 | if (i > 0 && divs[i] == divs[i - 1]) { |
| 90 | divs[i]++; // avoid collisions |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | if (CC_UNLIKELY(divs[count - 1] > maxValue)) { |
| 95 | // if the collision avoidance above put some divs outside the bounds of the bitmap, |
| 96 | // slide outer stretchable divs inward to stay within bounds |
| 97 | int highestAvailable = maxValue; |
| 98 | for (int i = count - 1; i >= 0; i--) { |
| 99 | divs[i] = highestAvailable; |
| 100 | if (i > 0 && divs[i] <= divs[i-1]){ |
| 101 | // keep shifting |
| 102 | highestAvailable = divs[i] - 1; |
| 103 | } else { |
| 104 | break; |
| 105 | } |
| 106 | } |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | static void scaleNinePatchChunk(android::Res_png_9patch* chunk, float scale, |
| 111 | int scaledWidth, int scaledHeight) { |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 112 | chunk->paddingLeft = int(chunk->paddingLeft * scale + 0.5f); |
| 113 | chunk->paddingTop = int(chunk->paddingTop * scale + 0.5f); |
| 114 | chunk->paddingRight = int(chunk->paddingRight * scale + 0.5f); |
| 115 | chunk->paddingBottom = int(chunk->paddingBottom * scale + 0.5f); |
| 116 | |
Chris Craik | bd8db2e8 | 2014-08-20 16:31:57 -0700 | [diff] [blame] | 117 | scaleDivRange(chunk->getXDivs(), chunk->numXDivs, scale, scaledWidth); |
| 118 | scaleDivRange(chunk->getYDivs(), chunk->numYDivs, scale, scaledHeight); |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 119 | } |
| 120 | |
Leon Scroggins | 46cb9bd | 2014-03-06 15:36:39 -0500 | [diff] [blame] | 121 | static SkColorType colorTypeForScaledOutput(SkColorType colorType) { |
| 122 | switch (colorType) { |
| 123 | case kUnknown_SkColorType: |
| 124 | case kIndex_8_SkColorType: |
Mike Reed | 4a9c389 | 2014-07-07 15:44:40 -0400 | [diff] [blame] | 125 | return kN32_SkColorType; |
Chris Craik | 905e824 | 2013-06-05 09:59:05 -0700 | [diff] [blame] | 126 | default: |
| 127 | break; |
| 128 | } |
Leon Scroggins | 46cb9bd | 2014-03-06 15:36:39 -0500 | [diff] [blame] | 129 | return colorType; |
Chris Craik | 905e824 | 2013-06-05 09:59:05 -0700 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | class ScaleCheckingAllocator : public SkBitmap::HeapAllocator { |
| 133 | public: |
| 134 | ScaleCheckingAllocator(float scale, int size) |
| 135 | : mScale(scale), mSize(size) { |
| 136 | } |
| 137 | |
| 138 | virtual bool allocPixelRef(SkBitmap* bitmap, SkColorTable* ctable) { |
| 139 | // accounts for scale in final allocation, using eventual size and config |
Leon Scroggins | 46cb9bd | 2014-03-06 15:36:39 -0500 | [diff] [blame] | 140 | const int bytesPerPixel = SkColorTypeBytesPerPixel( |
| 141 | colorTypeForScaledOutput(bitmap->colorType())); |
Chris Craik | 905e824 | 2013-06-05 09:59:05 -0700 | [diff] [blame] | 142 | const int requestedSize = bytesPerPixel * |
| 143 | int(bitmap->width() * mScale + 0.5f) * |
| 144 | int(bitmap->height() * mScale + 0.5f); |
| 145 | if (requestedSize > mSize) { |
| 146 | ALOGW("bitmap for alloc reuse (%d bytes) can't fit scaled bitmap (%d bytes)", |
| 147 | mSize, requestedSize); |
| 148 | return false; |
| 149 | } |
| 150 | return SkBitmap::HeapAllocator::allocPixelRef(bitmap, ctable); |
| 151 | } |
| 152 | private: |
| 153 | const float mScale; |
| 154 | const int mSize; |
| 155 | }; |
| 156 | |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 157 | class RecyclingPixelAllocator : public SkBitmap::Allocator { |
| 158 | public: |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 159 | RecyclingPixelAllocator(android::Bitmap* bitmap, unsigned int size) |
| 160 | : mBitmap(bitmap), mSize(size) { |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 161 | } |
| 162 | |
| 163 | ~RecyclingPixelAllocator() { |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 164 | } |
| 165 | |
| 166 | virtual bool allocPixelRef(SkBitmap* bitmap, SkColorTable* ctable) { |
Leon Scroggins | 46cb9bd | 2014-03-06 15:36:39 -0500 | [diff] [blame] | 167 | const SkImageInfo& info = bitmap->info(); |
| 168 | if (info.fColorType == kUnknown_SkColorType) { |
| 169 | ALOGW("unable to reuse a bitmap as the target has an unknown bitmap configuration"); |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 170 | return false; |
| 171 | } |
Chris Craik | cd0ba71 | 2013-09-06 14:40:30 -0700 | [diff] [blame] | 172 | |
Leon Scroggins | 46cb9bd | 2014-03-06 15:36:39 -0500 | [diff] [blame] | 173 | const int64_t size64 = info.getSafeSize64(bitmap->rowBytes()); |
| 174 | if (!sk_64_isS32(size64)) { |
| 175 | ALOGW("bitmap is too large"); |
| 176 | return false; |
| 177 | } |
| 178 | |
| 179 | const size_t size = sk_64_asS32(size64); |
| 180 | if (size > mSize) { |
Dan Albert | 46d8444 | 2014-11-18 16:07:51 -0800 | [diff] [blame] | 181 | ALOGW("bitmap marked for reuse (%u bytes) can't fit new bitmap " |
| 182 | "(%zu bytes)", mSize, size); |
Derek Sollenberger | b644a3b | 2014-01-17 15:45:10 -0500 | [diff] [blame] | 183 | return false; |
| 184 | } |
| 185 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 186 | mBitmap->reconfigure(info, bitmap->rowBytes(), ctable); |
John Reck | ae2e8b4 | 2015-05-06 14:55:05 -0700 | [diff] [blame] | 187 | bitmap->setPixelRef(mBitmap->refPixelRef())->unref(); |
Chris Craik | cd0ba71 | 2013-09-06 14:40:30 -0700 | [diff] [blame] | 188 | |
Chris Craik | cd0ba71 | 2013-09-06 14:40:30 -0700 | [diff] [blame] | 189 | // since we're already allocated, we lockPixels right away |
| 190 | // HeapAllocator/JavaPixelAllocator behaves this way too |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 191 | bitmap->lockPixels(); |
| 192 | return true; |
| 193 | } |
| 194 | |
| 195 | private: |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 196 | android::Bitmap* const mBitmap; |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 197 | const unsigned int mSize; |
| 198 | }; |
| 199 | |
Chris Craik | 47cd8e9 | 2014-07-08 17:13:08 -0700 | [diff] [blame] | 200 | static jobject doDecode(JNIEnv* env, SkStreamRewindable* stream, jobject padding, jobject options) { |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 201 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 202 | int sampleSize = 1; |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 203 | |
Leon Scroggins III | 0aa39dc | 2014-06-03 12:19:32 -0400 | [diff] [blame] | 204 | SkImageDecoder::Mode decodeMode = SkImageDecoder::kDecodePixels_Mode; |
Mike Reed | 42a1d08 | 2014-07-07 18:06:18 -0400 | [diff] [blame] | 205 | SkColorType prefColorType = kN32_SkColorType; |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 206 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 207 | bool doDither = true; |
Romain Guy | 2361098 | 2011-01-17 12:51:55 -0800 | [diff] [blame] | 208 | bool isMutable = false; |
Chris Craik | 905e824 | 2013-06-05 09:59:05 -0700 | [diff] [blame] | 209 | float scale = 1.0f; |
Wei-Ta Chen | 953f909 | 2010-12-03 14:06:18 -0800 | [diff] [blame] | 210 | bool preferQualityOverSpeed = false; |
Chris Craik | 1abf5d6 | 2013-08-16 12:47:03 -0700 | [diff] [blame] | 211 | bool requireUnpremultiplied = false; |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 212 | |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 213 | jobject javaBitmap = NULL; |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 214 | |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 215 | if (options != NULL) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 216 | sampleSize = env->GetIntField(options, gOptions_sampleSizeFieldID); |
Bryan Mawhinney | 2a3d754 | 2010-11-03 17:23:57 +0000 | [diff] [blame] | 217 | if (optionsJustBounds(env, options)) { |
Leon Scroggins III | 0aa39dc | 2014-06-03 12:19:32 -0400 | [diff] [blame] | 218 | decodeMode = SkImageDecoder::kDecodeBounds_Mode; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 219 | } |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 220 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 221 | // initialize these, in case we fail later on |
| 222 | env->SetIntField(options, gOptions_widthFieldID, -1); |
| 223 | env->SetIntField(options, gOptions_heightFieldID, -1); |
| 224 | env->SetObjectField(options, gOptions_mimeFieldID, 0); |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 225 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 226 | jobject jconfig = env->GetObjectField(options, gOptions_configFieldID); |
Mike Reed | 42a1d08 | 2014-07-07 18:06:18 -0400 | [diff] [blame] | 227 | prefColorType = GraphicsJNI::getNativeBitmapColorType(env, jconfig); |
Romain Guy | 2361098 | 2011-01-17 12:51:55 -0800 | [diff] [blame] | 228 | isMutable = env->GetBooleanField(options, gOptions_mutableFieldID); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 229 | doDither = env->GetBooleanField(options, gOptions_ditherFieldID); |
Wei-Ta Chen | 953f909 | 2010-12-03 14:06:18 -0800 | [diff] [blame] | 230 | preferQualityOverSpeed = env->GetBooleanField(options, |
| 231 | gOptions_preferQualityOverSpeedFieldID); |
Chris Craik | 1abf5d6 | 2013-08-16 12:47:03 -0700 | [diff] [blame] | 232 | requireUnpremultiplied = !env->GetBooleanField(options, gOptions_premultipliedFieldID); |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 233 | javaBitmap = env->GetObjectField(options, gOptions_bitmapFieldID); |
Chris Craik | 905e824 | 2013-06-05 09:59:05 -0700 | [diff] [blame] | 234 | |
| 235 | if (env->GetBooleanField(options, gOptions_scaledFieldID)) { |
| 236 | const int density = env->GetIntField(options, gOptions_densityFieldID); |
| 237 | const int targetDensity = env->GetIntField(options, gOptions_targetDensityFieldID); |
| 238 | const int screenDensity = env->GetIntField(options, gOptions_screenDensityFieldID); |
| 239 | if (density != 0 && targetDensity != 0 && density != screenDensity) { |
| 240 | scale = (float) targetDensity / density; |
| 241 | } |
| 242 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 243 | } |
| 244 | |
Chris Craik | 905e824 | 2013-06-05 09:59:05 -0700 | [diff] [blame] | 245 | const bool willScale = scale != 1.0f; |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 246 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 247 | SkImageDecoder* decoder = SkImageDecoder::Factory(stream); |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 248 | if (decoder == NULL) { |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 249 | return nullObjectReturn("SkImageDecoder::Factory returned null"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 250 | } |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 251 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 252 | decoder->setSampleSize(sampleSize); |
| 253 | decoder->setDitherImage(doDither); |
Wei-Ta Chen | 953f909 | 2010-12-03 14:06:18 -0800 | [diff] [blame] | 254 | decoder->setPreferQualityOverSpeed(preferQualityOverSpeed); |
Chris Craik | 1abf5d6 | 2013-08-16 12:47:03 -0700 | [diff] [blame] | 255 | decoder->setRequireUnpremultipliedColors(requireUnpremultiplied); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 256 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 257 | android::Bitmap* reuseBitmap = nullptr; |
Chris Craik | 9f58361 | 2013-05-20 18:13:47 -0700 | [diff] [blame] | 258 | unsigned int existingBufferSize = 0; |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 259 | if (javaBitmap != NULL) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 260 | reuseBitmap = GraphicsJNI::getBitmap(env, javaBitmap); |
John Reck | ae2e8b4 | 2015-05-06 14:55:05 -0700 | [diff] [blame] | 261 | if (reuseBitmap->peekAtPixelRef()->isImmutable()) { |
Derek Sollenberger | 2a6ecae | 2012-08-31 14:03:51 -0400 | [diff] [blame] | 262 | ALOGW("Unable to reuse an immutable bitmap as an image decoder target."); |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 263 | javaBitmap = NULL; |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 264 | reuseBitmap = nullptr; |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 265 | } else { |
| 266 | existingBufferSize = GraphicsJNI::getBitmapAllocationByteCount(env, javaBitmap); |
Derek Sollenberger | 2a6ecae | 2012-08-31 14:03:51 -0400 | [diff] [blame] | 267 | } |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 268 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 269 | |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 270 | NinePatchPeeker peeker(decoder); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 271 | decoder->setPeeker(&peeker); |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 272 | |
Chris Craik | 905e824 | 2013-06-05 09:59:05 -0700 | [diff] [blame] | 273 | JavaPixelAllocator javaAllocator(env); |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 274 | RecyclingPixelAllocator recyclingAllocator(reuseBitmap, existingBufferSize); |
Chris Craik | 905e824 | 2013-06-05 09:59:05 -0700 | [diff] [blame] | 275 | ScaleCheckingAllocator scaleCheckingAllocator(scale, existingBufferSize); |
| 276 | SkBitmap::Allocator* outputAllocator = (javaBitmap != NULL) ? |
| 277 | (SkBitmap::Allocator*)&recyclingAllocator : (SkBitmap::Allocator*)&javaAllocator; |
| 278 | if (decodeMode != SkImageDecoder::kDecodeBounds_Mode) { |
| 279 | if (!willScale) { |
Leon Scroggins III | 1ffe727 | 2013-09-19 11:34:06 -0400 | [diff] [blame] | 280 | // If the java allocator is being used to allocate the pixel memory, the decoder |
| 281 | // need not write zeroes, since the memory is initialized to 0. |
| 282 | decoder->setSkipWritingZeroes(outputAllocator == &javaAllocator); |
Chris Craik | 905e824 | 2013-06-05 09:59:05 -0700 | [diff] [blame] | 283 | decoder->setAllocator(outputAllocator); |
| 284 | } else if (javaBitmap != NULL) { |
| 285 | // check for eventual scaled bounds at allocation time, so we don't decode the bitmap |
| 286 | // only to find the scaled result too large to fit in the allocation |
| 287 | decoder->setAllocator(&scaleCheckingAllocator); |
| 288 | } |
| 289 | } |
| 290 | |
Derek Sollenberger | 6b0437c | 2013-06-24 15:40:54 -0400 | [diff] [blame] | 291 | // Only setup the decoder to be deleted after its stack-based, refcounted |
| 292 | // components (allocators, peekers, etc) are declared. This prevents RefCnt |
| 293 | // asserts from firing due to the order objects are deleted from the stack. |
| 294 | SkAutoTDelete<SkImageDecoder> add(decoder); |
| 295 | |
| 296 | AutoDecoderCancel adc(options, decoder); |
| 297 | |
| 298 | // To fix the race condition in case "requestCancelDecode" |
| 299 | // happens earlier than AutoDecoderCancel object is added |
| 300 | // to the gAutoDecoderCancelMutex linked list. |
| 301 | if (options != NULL && env->GetBooleanField(options, gOptions_mCancelID)) { |
| 302 | return nullObjectReturn("gOptions_mCancelID"); |
| 303 | } |
| 304 | |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 305 | SkBitmap decodingBitmap; |
Leon Scroggins III | 1449426 | 2014-10-17 15:23:37 -0400 | [diff] [blame] | 306 | if (decoder->decode(stream, &decodingBitmap, prefColorType, decodeMode) |
| 307 | != SkImageDecoder::kSuccess) { |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 308 | return nullObjectReturn("decoder->decode returned false"); |
| 309 | } |
| 310 | |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 311 | int scaledWidth = decodingBitmap.width(); |
| 312 | int scaledHeight = decodingBitmap.height(); |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 313 | |
Leon Scroggins III | 0aa39dc | 2014-06-03 12:19:32 -0400 | [diff] [blame] | 314 | if (willScale && decodeMode != SkImageDecoder::kDecodeBounds_Mode) { |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 315 | scaledWidth = int(scaledWidth * scale + 0.5f); |
| 316 | scaledHeight = int(scaledHeight * scale + 0.5f); |
| 317 | } |
| 318 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 319 | // update options (if any) |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 320 | if (options != NULL) { |
Vladimir Marko | 7ab249a | 2015-01-06 18:17:52 +0000 | [diff] [blame] | 321 | jstring mimeType = getMimeTypeString(env, decoder->getFormat()); |
| 322 | if (env->ExceptionCheck()) { |
| 323 | return nullObjectReturn("OOM in getMimeTypeString()"); |
| 324 | } |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 325 | env->SetIntField(options, gOptions_widthFieldID, scaledWidth); |
| 326 | env->SetIntField(options, gOptions_heightFieldID, scaledHeight); |
Vladimir Marko | 7ab249a | 2015-01-06 18:17:52 +0000 | [diff] [blame] | 327 | env->SetObjectField(options, gOptions_mimeFieldID, mimeType); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 328 | } |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 329 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 330 | // if we're in justBounds mode, return now (skip the java bitmap) |
Leon Scroggins III | 0aa39dc | 2014-06-03 12:19:32 -0400 | [diff] [blame] | 331 | if (decodeMode == SkImageDecoder::kDecodeBounds_Mode) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 332 | return NULL; |
| 333 | } |
| 334 | |
| 335 | jbyteArray ninePatchChunk = NULL; |
Chris Craik | 47cd8e9 | 2014-07-08 17:13:08 -0700 | [diff] [blame] | 336 | if (peeker.mPatch != NULL) { |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 337 | if (willScale) { |
Chris Craik | bd8db2e8 | 2014-08-20 16:31:57 -0700 | [diff] [blame] | 338 | scaleNinePatchChunk(peeker.mPatch, scale, scaledWidth, scaledHeight); |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 339 | } |
| 340 | |
Chris Craik | 47cd8e9 | 2014-07-08 17:13:08 -0700 | [diff] [blame] | 341 | size_t ninePatchArraySize = peeker.mPatch->serializedSize(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 342 | ninePatchChunk = env->NewByteArray(ninePatchArraySize); |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 343 | if (ninePatchChunk == NULL) { |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 344 | return nullObjectReturn("ninePatchChunk == null"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 345 | } |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 346 | |
| 347 | jbyte* array = (jbyte*) env->GetPrimitiveArrayCritical(ninePatchChunk, NULL); |
| 348 | if (array == NULL) { |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 349 | return nullObjectReturn("primitive array == null"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 350 | } |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 351 | |
Chris Craik | 47cd8e9 | 2014-07-08 17:13:08 -0700 | [diff] [blame] | 352 | memcpy(array, peeker.mPatch, peeker.mPatchSize); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 353 | env->ReleasePrimitiveArrayCritical(ninePatchChunk, array, 0); |
| 354 | } |
| 355 | |
Chris Craik | 47cd8e9 | 2014-07-08 17:13:08 -0700 | [diff] [blame] | 356 | jobject ninePatchInsets = NULL; |
| 357 | if (peeker.mHasInsets) { |
| 358 | ninePatchInsets = env->NewObject(gInsetStruct_class, gInsetStruct_constructorMethodID, |
| 359 | peeker.mOpticalInsets[0], peeker.mOpticalInsets[1], peeker.mOpticalInsets[2], peeker.mOpticalInsets[3], |
| 360 | peeker.mOutlineInsets[0], peeker.mOutlineInsets[1], peeker.mOutlineInsets[2], peeker.mOutlineInsets[3], |
Chris Craik | 77b5cad | 2014-07-30 18:23:07 -0700 | [diff] [blame] | 361 | peeker.mOutlineRadius, peeker.mOutlineAlpha, scale); |
Mathieu Chartier | a08d10f | 2014-08-29 16:55:55 -0700 | [diff] [blame] | 362 | if (ninePatchInsets == NULL) { |
| 363 | return nullObjectReturn("nine patch insets == null"); |
| 364 | } |
Amith Yamasani | ec4a504 | 2012-04-04 10:27:15 -0700 | [diff] [blame] | 365 | if (javaBitmap != NULL) { |
Chris Craik | 47cd8e9 | 2014-07-08 17:13:08 -0700 | [diff] [blame] | 366 | env->SetObjectField(javaBitmap, gBitmap_ninePatchInsetsFieldID, ninePatchInsets); |
Amith Yamasani | ec4a504 | 2012-04-04 10:27:15 -0700 | [diff] [blame] | 367 | } |
| 368 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 369 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 370 | SkBitmap outputBitmap; |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 371 | if (willScale) { |
| 372 | // This is weird so let me explain: we could use the scale parameter |
| 373 | // directly, but for historical reasons this is how the corresponding |
| 374 | // Dalvik code has always behaved. We simply recreate the behavior here. |
| 375 | // The result is slightly different from simply using scale because of |
| 376 | // the 0.5f rounding bias applied when computing the target image size |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 377 | const float sx = scaledWidth / float(decodingBitmap.width()); |
| 378 | const float sy = scaledHeight / float(decodingBitmap.height()); |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 379 | |
Chris Craik | 905e824 | 2013-06-05 09:59:05 -0700 | [diff] [blame] | 380 | // TODO: avoid copying when scaled size equals decodingBitmap size |
Leon Scroggins | 46cb9bd | 2014-03-06 15:36:39 -0500 | [diff] [blame] | 381 | SkColorType colorType = colorTypeForScaledOutput(decodingBitmap.colorType()); |
Leon Scroggins III | 8790be6 | 2013-12-03 16:26:51 -0500 | [diff] [blame] | 382 | // FIXME: If the alphaType is kUnpremul and the image has alpha, the |
| 383 | // colors may not be correct, since Skia does not yet support drawing |
| 384 | // to/from unpremultiplied bitmaps. |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 385 | outputBitmap.setInfo(SkImageInfo::Make(scaledWidth, scaledHeight, |
Leon Scroggins | 46cb9bd | 2014-03-06 15:36:39 -0500 | [diff] [blame] | 386 | colorType, decodingBitmap.alphaType())); |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 387 | if (!outputBitmap.tryAllocPixels(outputAllocator, NULL)) { |
Raph Levien | 005bfc6 | 2012-09-20 22:51:47 -0700 | [diff] [blame] | 388 | return nullObjectReturn("allocation failed for scaled bitmap"); |
| 389 | } |
Leon Scroggins III | 1ffe727 | 2013-09-19 11:34:06 -0400 | [diff] [blame] | 390 | |
| 391 | // If outputBitmap's pixels are newly allocated by Java, there is no need |
| 392 | // to erase to 0, since the pixels were initialized to 0. |
| 393 | if (outputAllocator != &javaAllocator) { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 394 | outputBitmap.eraseColor(0); |
Leon Scroggins III | 1ffe727 | 2013-09-19 11:34:06 -0400 | [diff] [blame] | 395 | } |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 396 | |
| 397 | SkPaint paint; |
Mike Reed | 2a1ce8a | 2015-03-16 11:16:09 -0400 | [diff] [blame] | 398 | paint.setFilterQuality(kLow_SkFilterQuality); |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 399 | |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 400 | SkCanvas canvas(outputBitmap); |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 401 | canvas.scale(sx, sy); |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 402 | canvas.drawARGB(0x00, 0x00, 0x00, 0x00); |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 403 | canvas.drawBitmap(decodingBitmap, 0.0f, 0.0f, &paint); |
| 404 | } else { |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 405 | outputBitmap.swap(decodingBitmap); |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 406 | } |
| 407 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 408 | if (padding) { |
Chris Craik | 47cd8e9 | 2014-07-08 17:13:08 -0700 | [diff] [blame] | 409 | if (peeker.mPatch != NULL) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 410 | GraphicsJNI::set_jrect(env, padding, |
Chris Craik | 47cd8e9 | 2014-07-08 17:13:08 -0700 | [diff] [blame] | 411 | peeker.mPatch->paddingLeft, peeker.mPatch->paddingTop, |
| 412 | peeker.mPatch->paddingRight, peeker.mPatch->paddingBottom); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 413 | } else { |
| 414 | GraphicsJNI::set_jrect(env, padding, -1, -1, -1, -1); |
| 415 | } |
| 416 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 417 | |
Leon Scroggins III | 0aa39dc | 2014-06-03 12:19:32 -0400 | [diff] [blame] | 418 | // if we get here, we're in kDecodePixels_Mode and will therefore |
| 419 | // already have a pixelref installed. |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 420 | if (outputBitmap.pixelRef() == NULL) { |
Marco Nelissen | b2fe3be | 2012-05-07 11:24:13 -0700 | [diff] [blame] | 421 | return nullObjectReturn("Got null SkPixelRef"); |
| 422 | } |
Romain Guy | 2361098 | 2011-01-17 12:51:55 -0800 | [diff] [blame] | 423 | |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 424 | if (!isMutable && javaBitmap == NULL) { |
Romain Guy | 2361098 | 2011-01-17 12:51:55 -0800 | [diff] [blame] | 425 | // promise we will never change our pixels (great for sharing and pictures) |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 426 | outputBitmap.setImmutable(); |
Romain Guy | 2361098 | 2011-01-17 12:51:55 -0800 | [diff] [blame] | 427 | } |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 428 | |
Chris Craik | 7e8c03c | 2013-06-03 13:53:36 -0700 | [diff] [blame] | 429 | if (javaBitmap != NULL) { |
Chris Craik | 1abf5d6 | 2013-08-16 12:47:03 -0700 | [diff] [blame] | 430 | bool isPremultiplied = !requireUnpremultiplied; |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 431 | GraphicsJNI::reinitBitmap(env, javaBitmap, outputBitmap.info(), isPremultiplied); |
| 432 | outputBitmap.notifyPixelsChanged(); |
Chet Haase | 37f74ca | 2010-12-08 17:56:36 -0800 | [diff] [blame] | 433 | // If a java bitmap was passed in for reuse, pass it back |
| 434 | return javaBitmap; |
| 435 | } |
Chris Craik | 1abf5d6 | 2013-08-16 12:47:03 -0700 | [diff] [blame] | 436 | |
| 437 | int bitmapCreateFlags = 0x0; |
| 438 | if (isMutable) bitmapCreateFlags |= GraphicsJNI::kBitmapCreateFlag_Mutable; |
| 439 | if (!requireUnpremultiplied) bitmapCreateFlags |= GraphicsJNI::kBitmapCreateFlag_Premultiplied; |
| 440 | |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 441 | // now create the java bitmap |
John Reck | f29ed28 | 2015-04-07 07:32:03 -0700 | [diff] [blame] | 442 | return GraphicsJNI::createBitmap(env, javaAllocator.getStorageObjAndReset(), |
Chris Craik | 47cd8e9 | 2014-07-08 17:13:08 -0700 | [diff] [blame] | 443 | bitmapCreateFlags, ninePatchChunk, ninePatchInsets, -1); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 444 | } |
| 445 | |
Leon Scroggins III | 2826e5f | 2014-02-05 19:46:02 -0500 | [diff] [blame] | 446 | // Need to buffer enough input to be able to rewind as much as might be read by a decoder |
| 447 | // trying to determine the stream's format. Currently the most is 64, read by |
| 448 | // SkImageDecoder_libwebp. |
| 449 | // FIXME: Get this number from SkImageDecoder |
| 450 | #define BYTES_TO_BUFFER 64 |
| 451 | |
Chris Craik | 905e824 | 2013-06-05 09:59:05 -0700 | [diff] [blame] | 452 | static jobject nativeDecodeStream(JNIEnv* env, jobject clazz, jobject is, jbyteArray storage, |
| 453 | jobject padding, jobject options) { |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 454 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 455 | jobject bitmap = NULL; |
Leon Scroggins III | 3449789 | 2015-01-20 15:52:43 -0500 | [diff] [blame] | 456 | SkAutoTDelete<SkStream> stream(CreateJavaInputStreamAdaptor(env, is, storage)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 457 | |
Leon Scroggins III | ca32021 | 2013-08-20 17:59:39 -0400 | [diff] [blame] | 458 | if (stream.get()) { |
Leon Scroggins III | 3449789 | 2015-01-20 15:52:43 -0500 | [diff] [blame] | 459 | SkAutoTDelete<SkStreamRewindable> bufferedStream( |
| 460 | SkFrontBufferedStream::Create(stream.detach(), BYTES_TO_BUFFER)); |
Leon Scroggins III | 7315f1b | 2013-09-10 20:26:05 -0400 | [diff] [blame] | 461 | SkASSERT(bufferedStream.get() != NULL); |
Leon Scroggins III | 0aa39dc | 2014-06-03 12:19:32 -0400 | [diff] [blame] | 462 | bitmap = doDecode(env, bufferedStream, padding, options); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 463 | } |
| 464 | return bitmap; |
| 465 | } |
| 466 | |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 467 | static jobject nativeDecodeFileDescriptor(JNIEnv* env, jobject clazz, jobject fileDescriptor, |
| 468 | jobject padding, jobject bitmapFactoryOptions) { |
| 469 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 470 | NPE_CHECK_RETURN_ZERO(env, fileDescriptor); |
| 471 | |
Derek Sollenberger | 5cb769d | 2014-09-24 09:20:09 -0400 | [diff] [blame] | 472 | int descriptor = jniGetFDFromFileDescriptor(env, fileDescriptor); |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 473 | |
Derek Sollenberger | 5827cb5 | 2013-07-26 14:58:06 -0400 | [diff] [blame] | 474 | struct stat fdStat; |
| 475 | if (fstat(descriptor, &fdStat) == -1) { |
| 476 | doThrowIOE(env, "broken file descriptor"); |
| 477 | return nullObjectReturn("fstat return -1"); |
| 478 | } |
| 479 | |
Derek Sollenberger | 5cb769d | 2014-09-24 09:20:09 -0400 | [diff] [blame] | 480 | // Restore the descriptor's offset on exiting this function. Even though |
| 481 | // we dup the descriptor, both the original and dup refer to the same open |
| 482 | // file description and changes to the file offset in one impact the other. |
Jérôme Poichet | d29c902 | 2014-09-26 18:59:11 +0000 | [diff] [blame] | 483 | AutoFDSeek autoRestore(descriptor); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 484 | |
Derek Sollenberger | 5cb769d | 2014-09-24 09:20:09 -0400 | [diff] [blame] | 485 | // Duplicate the descriptor here to prevent leaking memory. A leak occurs |
| 486 | // if we only close the file descriptor and not the file object it is used to |
| 487 | // create. If we don't explicitly clean up the file (which in turn closes the |
| 488 | // descriptor) the buffers allocated internally by fseek will be leaked. |
| 489 | int dupDescriptor = dup(descriptor); |
| 490 | |
| 491 | FILE* file = fdopen(dupDescriptor, "r"); |
Leon Scroggins III | 0102f8a | 2014-01-14 15:14:57 -0500 | [diff] [blame] | 492 | if (file == NULL) { |
Derek Sollenberger | 5cb769d | 2014-09-24 09:20:09 -0400 | [diff] [blame] | 493 | // cleanup the duplicated descriptor since it will not be closed when the |
| 494 | // file is cleaned up (fclose). |
| 495 | close(dupDescriptor); |
Leon Scroggins III | 0102f8a | 2014-01-14 15:14:57 -0500 | [diff] [blame] | 496 | return nullObjectReturn("Could not open file"); |
Leon Scroggins III | f65183f | 2013-10-07 16:32:14 -0400 | [diff] [blame] | 497 | } |
Leon Scroggins III | 0102f8a | 2014-01-14 15:14:57 -0500 | [diff] [blame] | 498 | |
Leon Scroggins III | 3449789 | 2015-01-20 15:52:43 -0500 | [diff] [blame] | 499 | SkAutoTDelete<SkFILEStream> fileStream(new SkFILEStream(file, |
| 500 | SkFILEStream::kCallerPasses_Ownership)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 501 | |
Leon Scroggins III | 0aa39dc | 2014-06-03 12:19:32 -0400 | [diff] [blame] | 502 | // Use a buffered stream. Although an SkFILEStream can be rewound, this |
| 503 | // ensures that SkImageDecoder::Factory never rewinds beyond the |
| 504 | // current position of the file descriptor. |
Leon Scroggins III | 3449789 | 2015-01-20 15:52:43 -0500 | [diff] [blame] | 505 | SkAutoTDelete<SkStreamRewindable> stream(SkFrontBufferedStream::Create(fileStream.detach(), |
Leon Scroggins III | 0aa39dc | 2014-06-03 12:19:32 -0400 | [diff] [blame] | 506 | BYTES_TO_BUFFER)); |
Leon Scroggins III | 2826e5f | 2014-02-05 19:46:02 -0500 | [diff] [blame] | 507 | |
Leon Scroggins III | 0aa39dc | 2014-06-03 12:19:32 -0400 | [diff] [blame] | 508 | return doDecode(env, stream, padding, bitmapFactoryOptions); |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 509 | } |
| 510 | |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 511 | static jobject nativeDecodeAsset(JNIEnv* env, jobject clazz, jlong native_asset, |
Chris Craik | 905e824 | 2013-06-05 09:59:05 -0700 | [diff] [blame] | 512 | jobject padding, jobject options) { |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 513 | |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 514 | Asset* asset = reinterpret_cast<Asset*>(native_asset); |
Leon Scroggins III | 0aa39dc | 2014-06-03 12:19:32 -0400 | [diff] [blame] | 515 | // since we know we'll be done with the asset when we return, we can |
| 516 | // just use a simple wrapper |
Leon Scroggins III | 3449789 | 2015-01-20 15:52:43 -0500 | [diff] [blame] | 517 | SkAutoTDelete<SkStreamRewindable> stream(new AssetStreamAdaptor(asset)); |
Leon Scroggins III | 0aa39dc | 2014-06-03 12:19:32 -0400 | [diff] [blame] | 518 | return doDecode(env, stream, padding, options); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 519 | } |
| 520 | |
| 521 | static jobject nativeDecodeByteArray(JNIEnv* env, jobject, jbyteArray byteArray, |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 522 | jint offset, jint length, jobject options) { |
Romain Guy | 7b2f8b8 | 2012-03-19 17:18:54 -0700 | [diff] [blame] | 523 | |
Mike Reed | c70e06b | 2009-04-24 11:09:12 -0400 | [diff] [blame] | 524 | AutoJavaByteArray ar(env, byteArray); |
Leon Scroggins III | 3449789 | 2015-01-20 15:52:43 -0500 | [diff] [blame] | 525 | SkAutoTDelete<SkMemoryStream> stream(new SkMemoryStream(ar.ptr() + offset, length, false)); |
Leon Scroggins III | 0aa39dc | 2014-06-03 12:19:32 -0400 | [diff] [blame] | 526 | return doDecode(env, stream, NULL, options); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | static void nativeRequestCancel(JNIEnv*, jobject joptions) { |
| 530 | (void)AutoDecoderCancel::RequestCancel(joptions); |
| 531 | } |
| 532 | |
Owen Lin | a9d0d47 | 2011-01-18 17:39:15 +0800 | [diff] [blame] | 533 | static jboolean nativeIsSeekable(JNIEnv* env, jobject, jobject fileDescriptor) { |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 534 | jint descriptor = jniGetFDFromFileDescriptor(env, fileDescriptor); |
Owen Lin | a9d0d47 | 2011-01-18 17:39:15 +0800 | [diff] [blame] | 535 | return ::lseek64(descriptor, 0, SEEK_CUR) != -1 ? JNI_TRUE : JNI_FALSE; |
| 536 | } |
| 537 | |
John Reck | 4147877 | 2015-04-10 13:35:27 -0700 | [diff] [blame] | 538 | jobject decodeBitmap(JNIEnv* env, void* data, size_t size) { |
| 539 | SkMemoryStream stream(data, size); |
| 540 | return doDecode(env, &stream, NULL, NULL); |
| 541 | } |
| 542 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 543 | /////////////////////////////////////////////////////////////////////////////// |
| 544 | |
| 545 | static JNINativeMethod gMethods[] = { |
| 546 | { "nativeDecodeStream", |
| 547 | "(Ljava/io/InputStream;[BLandroid/graphics/Rect;Landroid/graphics/BitmapFactory$Options;)Landroid/graphics/Bitmap;", |
| 548 | (void*)nativeDecodeStream |
| 549 | }, |
| 550 | |
| 551 | { "nativeDecodeFileDescriptor", |
| 552 | "(Ljava/io/FileDescriptor;Landroid/graphics/Rect;Landroid/graphics/BitmapFactory$Options;)Landroid/graphics/Bitmap;", |
| 553 | (void*)nativeDecodeFileDescriptor |
| 554 | }, |
| 555 | |
| 556 | { "nativeDecodeAsset", |
Ashok Bhat | 36bef0b | 2014-01-20 20:08:01 +0000 | [diff] [blame] | 557 | "(JLandroid/graphics/Rect;Landroid/graphics/BitmapFactory$Options;)Landroid/graphics/Bitmap;", |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 558 | (void*)nativeDecodeAsset |
| 559 | }, |
| 560 | |
| 561 | { "nativeDecodeByteArray", |
| 562 | "([BIILandroid/graphics/BitmapFactory$Options;)Landroid/graphics/Bitmap;", |
| 563 | (void*)nativeDecodeByteArray |
| 564 | }, |
| 565 | |
Owen Lin | a9d0d47 | 2011-01-18 17:39:15 +0800 | [diff] [blame] | 566 | { "nativeIsSeekable", |
| 567 | "(Ljava/io/FileDescriptor;)Z", |
| 568 | (void*)nativeIsSeekable |
| 569 | }, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 570 | }; |
| 571 | |
| 572 | static JNINativeMethod gOptionsMethods[] = { |
| 573 | { "requestCancel", "()V", (void*)nativeRequestCancel } |
| 574 | }; |
| 575 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 576 | int register_android_graphics_BitmapFactory(JNIEnv* env) { |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 577 | jclass options_class = FindClassOrDie(env, "android/graphics/BitmapFactory$Options"); |
| 578 | gOptions_bitmapFieldID = GetFieldIDOrDie(env, options_class, "inBitmap", |
Chris Craik | 47cd8e9 | 2014-07-08 17:13:08 -0700 | [diff] [blame] | 579 | "Landroid/graphics/Bitmap;"); |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 580 | gOptions_justBoundsFieldID = GetFieldIDOrDie(env, options_class, "inJustDecodeBounds", "Z"); |
| 581 | gOptions_sampleSizeFieldID = GetFieldIDOrDie(env, options_class, "inSampleSize", "I"); |
| 582 | gOptions_configFieldID = GetFieldIDOrDie(env, options_class, "inPreferredConfig", |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 583 | "Landroid/graphics/Bitmap$Config;"); |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 584 | gOptions_premultipliedFieldID = GetFieldIDOrDie(env, options_class, "inPremultiplied", "Z"); |
| 585 | gOptions_mutableFieldID = GetFieldIDOrDie(env, options_class, "inMutable", "Z"); |
| 586 | gOptions_ditherFieldID = GetFieldIDOrDie(env, options_class, "inDither", "Z"); |
| 587 | gOptions_preferQualityOverSpeedFieldID = GetFieldIDOrDie(env, options_class, |
Wei-Ta Chen | 953f909 | 2010-12-03 14:06:18 -0800 | [diff] [blame] | 588 | "inPreferQualityOverSpeed", "Z"); |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 589 | gOptions_scaledFieldID = GetFieldIDOrDie(env, options_class, "inScaled", "Z"); |
| 590 | gOptions_densityFieldID = GetFieldIDOrDie(env, options_class, "inDensity", "I"); |
| 591 | gOptions_screenDensityFieldID = GetFieldIDOrDie(env, options_class, "inScreenDensity", "I"); |
| 592 | gOptions_targetDensityFieldID = GetFieldIDOrDie(env, options_class, "inTargetDensity", "I"); |
| 593 | gOptions_widthFieldID = GetFieldIDOrDie(env, options_class, "outWidth", "I"); |
| 594 | gOptions_heightFieldID = GetFieldIDOrDie(env, options_class, "outHeight", "I"); |
| 595 | gOptions_mimeFieldID = GetFieldIDOrDie(env, options_class, "outMimeType", "Ljava/lang/String;"); |
| 596 | gOptions_mCancelID = GetFieldIDOrDie(env, options_class, "mCancel", "Z"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 597 | |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 598 | jclass bitmap_class = FindClassOrDie(env, "android/graphics/Bitmap"); |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 599 | gBitmap_ninePatchInsetsFieldID = GetFieldIDOrDie(env, bitmap_class, "mNinePatchInsets", |
Chris Craik | 47cd8e9 | 2014-07-08 17:13:08 -0700 | [diff] [blame] | 600 | "Landroid/graphics/NinePatch$InsetStruct;"); |
| 601 | |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 602 | gInsetStruct_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, |
| 603 | "android/graphics/NinePatch$InsetStruct")); |
| 604 | gInsetStruct_constructorMethodID = GetMethodIDOrDie(env, gInsetStruct_class, "<init>", |
| 605 | "(IIIIIIIIFIF)V"); |
Chris Craik | 47cd8e9 | 2014-07-08 17:13:08 -0700 | [diff] [blame] | 606 | |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 607 | android::RegisterMethodsOrDie(env, "android/graphics/BitmapFactory$Options", |
| 608 | gOptionsMethods, NELEM(gOptionsMethods)); |
| 609 | return android::RegisterMethodsOrDie(env, "android/graphics/BitmapFactory", |
| 610 | gMethods, NELEM(gMethods)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 611 | } |