blob: eb9885a4436a1f4a56ba161f9b2140f192e470e1 [file] [log] [blame]
Derek Sollenberger5368eda2019-10-25 11:20:03 -04001#undef LOG_TAG
John Reckf29ed282015-04-07 07:32:03 -07002#define LOG_TAG "Bitmap"
John Reckf29ed282015-04-07 07:32:03 -07003#include "Bitmap.h"
4
Chris Craik32054b02014-05-09 13:58:56 -07005#include "SkBitmap.h"
6#include "SkPixelRef.h"
7#include "SkImageEncoder.h"
Leon Scroggins III57ee6202014-06-04 18:51:07 -04008#include "SkImageInfo.h"
Romain Guy9505a652016-12-14 09:43:50 -08009#include "SkColor.h"
Romain Guyce217fa2017-03-08 15:58:06 -080010#include "SkColorSpace.h"
Chris Craik32054b02014-05-09 13:58:56 -070011#include "GraphicsJNI.h"
Chris Craik32054b02014-05-09 13:58:56 -070012#include "SkStream.h"
Leon Scroggins III94d294b2019-09-06 13:22:46 -040013#include "SkWebpEncoder.h"
Chris Craik32054b02014-05-09 13:58:56 -070014
Chris Craik32054b02014-05-09 13:58:56 -070015#include "android_nio_utils.h"
16#include "CreateJavaOutputStreamAdaptor.h"
sergeyvdccca442016-03-21 15:38:21 -070017#include <hwui/Paint.h>
sergeyvc1c54062016-10-19 18:47:26 -070018#include <hwui/Bitmap.h>
Derek Sollenberger6e35e632019-01-22 13:56:25 -050019#include <utils/Color.h>
Chris Craik32054b02014-05-09 13:58:56 -070020
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +010021#ifdef __ANDROID__ // Layoutlib does not support graphic buffer, parcel or render thread
John Recka18d7c82020-03-02 09:41:33 -080022#include <android-base/unique_fd.h>
23#include <android/binder_parcel.h>
24#include <android/binder_parcel_jni.h>
25#include <android/binder_parcel_platform.h>
26#include <android/binder_parcel_utils.h>
Derek Sollenberger42c50042020-02-18 14:51:17 -050027#include <private/android/AHardwareBufferHelpers.h>
John Recka18d7c82020-03-02 09:41:33 -080028#include <cutils/ashmem.h>
Leon Scroggins III898ce752020-02-18 12:22:17 -050029#include <dlfcn.h>
Leon Scroggins III5a190b12020-02-18 13:52:18 -050030#include <renderthread/RenderProxy.h>
John Recka18d7c82020-03-02 09:41:33 -080031#include <sys/mman.h>
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +010032#endif
rennb2e9f522018-09-26 10:49:00 -070033
John Recka18d7c82020-03-02 09:41:33 -080034#include <inttypes.h>
Romain Guyce217fa2017-03-08 15:58:06 -080035#include <string.h>
Riley Andrews39d7f302014-11-13 17:43:25 -080036#include <memory>
37#include <string>
Chris Craik32054b02014-05-09 13:58:56 -070038
Jeff Browna316c5d2015-06-05 15:14:06 -070039#define DEBUG_PARCEL 0
40
sergeyvc69853c2016-10-07 14:14:09 -070041static jclass gBitmap_class;
42static jfieldID gBitmap_nativePtr;
43static jmethodID gBitmap_constructorMethodID;
44static jmethodID gBitmap_reinitMethodID;
sergeyvc69853c2016-10-07 14:14:09 -070045
John Reckf29ed282015-04-07 07:32:03 -070046namespace android {
47
sergeyvc1c54062016-10-19 18:47:26 -070048class BitmapWrapper {
John Reckf29ed282015-04-07 07:32:03 -070049public:
Chih-Hung Hsieh0727be12018-12-20 13:43:46 -080050 explicit BitmapWrapper(Bitmap* bitmap)
sergeyvc1c54062016-10-19 18:47:26 -070051 : mBitmap(bitmap) { }
sergeyvc69853c2016-10-07 14:14:09 -070052
53 void freePixels() {
sergeyvc1c54062016-10-19 18:47:26 -070054 mInfo = mBitmap->info();
55 mHasHardwareMipMap = mBitmap->hasHardwareMipMap();
56 mAllocationSize = mBitmap->getAllocationByteCount();
57 mRowBytes = mBitmap->rowBytes();
58 mGenerationId = mBitmap->getGenerationID();
sergeyv15a10852016-12-27 14:32:03 -080059 mIsHardware = mBitmap->isHardware();
sergeyvc1c54062016-10-19 18:47:26 -070060 mBitmap.reset();
John Reckf29ed282015-04-07 07:32:03 -070061 }
62
sergeyvc69853c2016-10-07 14:14:09 -070063 bool valid() {
Ben Wagner6b62ac02018-05-29 14:16:02 -040064 return mBitmap != nullptr;
John Reckf29ed282015-04-07 07:32:03 -070065 }
66
sergeyvaed7f582016-10-14 16:30:21 -070067 Bitmap& bitmap() {
68 assertValid();
69 return *mBitmap;
70 }
sergeyvc69853c2016-10-07 14:14:09 -070071
72 void assertValid() {
73 LOG_ALWAYS_FATAL_IF(!valid(), "Error, cannot access an invalid/free'd bitmap here!");
74 }
75
76 void getSkBitmap(SkBitmap* outBitmap) {
77 assertValid();
sergeyvc1c54062016-10-19 18:47:26 -070078 mBitmap->getSkBitmap(outBitmap);
sergeyvc69853c2016-10-07 14:14:09 -070079 }
80
81 bool hasHardwareMipMap() {
sergeyvc1c54062016-10-19 18:47:26 -070082 if (mBitmap) {
83 return mBitmap->hasHardwareMipMap();
John Reckf29ed282015-04-07 07:32:03 -070084 }
John Reckf29ed282015-04-07 07:32:03 -070085 return mHasHardwareMipMap;
86 }
87
88 void setHasHardwareMipMap(bool hasMipMap) {
sergeyvc69853c2016-10-07 14:14:09 -070089 assertValid();
sergeyvc1c54062016-10-19 18:47:26 -070090 mBitmap->setHasHardwareMipMap(hasMipMap);
John Reckf29ed282015-04-07 07:32:03 -070091 }
92
sergeyvc69853c2016-10-07 14:14:09 -070093 void setAlphaType(SkAlphaType alphaType) {
94 assertValid();
sergeyvc1c54062016-10-19 18:47:26 -070095 mBitmap->setAlphaType(alphaType);
John Reckf29ed282015-04-07 07:32:03 -070096 }
97
Derek Sollenberger202084c2019-01-14 13:55:08 -050098 void setColorSpace(sk_sp<SkColorSpace> colorSpace) {
99 assertValid();
100 mBitmap->setColorSpace(colorSpace);
101 }
102
sergeyvc69853c2016-10-07 14:14:09 -0700103 const SkImageInfo& info() {
sergeyvc1c54062016-10-19 18:47:26 -0700104 if (mBitmap) {
105 return mBitmap->info();
sergeyvc69853c2016-10-07 14:14:09 -0700106 }
107 return mInfo;
John Reckf29ed282015-04-07 07:32:03 -0700108 }
109
sergeyvc69853c2016-10-07 14:14:09 -0700110 size_t getAllocationByteCount() const {
sergeyvc1c54062016-10-19 18:47:26 -0700111 if (mBitmap) {
112 return mBitmap->getAllocationByteCount();
sergeyvc69853c2016-10-07 14:14:09 -0700113 }
114 return mAllocationSize;
John Reckf29ed282015-04-07 07:32:03 -0700115 }
116
sergeyvc69853c2016-10-07 14:14:09 -0700117 size_t rowBytes() const {
sergeyvc1c54062016-10-19 18:47:26 -0700118 if (mBitmap) {
119 return mBitmap->rowBytes();
sergeyvc69853c2016-10-07 14:14:09 -0700120 }
121 return mRowBytes;
122 }
123
124 uint32_t getGenerationID() const {
sergeyvc1c54062016-10-19 18:47:26 -0700125 if (mBitmap) {
126 return mBitmap->getGenerationID();
sergeyvc69853c2016-10-07 14:14:09 -0700127 }
128 return mGenerationId;
129 }
130
sergeyv15a10852016-12-27 14:32:03 -0800131 bool isHardware() {
132 if (mBitmap) {
133 return mBitmap->isHardware();
134 }
135 return mIsHardware;
136 }
137
sergeyvc1c54062016-10-19 18:47:26 -0700138 ~BitmapWrapper() { }
sergeyvc69853c2016-10-07 14:14:09 -0700139
John Reckf29ed282015-04-07 07:32:03 -0700140private:
sergeyvc1c54062016-10-19 18:47:26 -0700141 sk_sp<Bitmap> mBitmap;
sergeyvc69853c2016-10-07 14:14:09 -0700142 SkImageInfo mInfo;
143 bool mHasHardwareMipMap;
144 size_t mAllocationSize;
145 size_t mRowBytes;
146 uint32_t mGenerationId;
sergeyv15a10852016-12-27 14:32:03 -0800147 bool mIsHardware;
John Reckf29ed282015-04-07 07:32:03 -0700148};
149
John Reckf29ed282015-04-07 07:32:03 -0700150// Convenience class that does not take a global ref on the pixels, relying
151// on the caller already having a local JNI ref
152class LocalScopedBitmap {
153public:
Chih-Hung Hsiehc6baf562016-04-27 11:29:23 -0700154 explicit LocalScopedBitmap(jlong bitmapHandle)
sergeyvc1c54062016-10-19 18:47:26 -0700155 : mBitmapWrapper(reinterpret_cast<BitmapWrapper*>(bitmapHandle)) {}
John Reckf29ed282015-04-07 07:32:03 -0700156
sergeyvc1c54062016-10-19 18:47:26 -0700157 BitmapWrapper* operator->() {
158 return mBitmapWrapper;
John Reckf29ed282015-04-07 07:32:03 -0700159 }
160
161 void* pixels() {
sergeyvaed7f582016-10-14 16:30:21 -0700162 return mBitmapWrapper->bitmap().pixels();
John Reckf29ed282015-04-07 07:32:03 -0700163 }
164
165 bool valid() {
sergeyvc1c54062016-10-19 18:47:26 -0700166 return mBitmapWrapper && mBitmapWrapper->valid();
John Reckf29ed282015-04-07 07:32:03 -0700167 }
168
169private:
sergeyvc1c54062016-10-19 18:47:26 -0700170 BitmapWrapper* mBitmapWrapper;
John Reckf29ed282015-04-07 07:32:03 -0700171};
172
sergeyvc69853c2016-10-07 14:14:09 -0700173namespace bitmap {
174
175// Assert that bitmap's SkAlphaType is consistent with isPremultiplied.
176static void assert_premultiplied(const SkImageInfo& info, bool isPremultiplied) {
177 // kOpaque_SkAlphaType and kIgnore_SkAlphaType mean that isPremultiplied is
178 // irrelevant. This just tests to ensure that the SkAlphaType is not
179 // opposite of isPremultiplied.
180 if (isPremultiplied) {
181 SkASSERT(info.alphaType() != kUnpremul_SkAlphaType);
182 } else {
183 SkASSERT(info.alphaType() != kPremul_SkAlphaType);
184 }
185}
186
187void reinitBitmap(JNIEnv* env, jobject javaBitmap, const SkImageInfo& info,
188 bool isPremultiplied)
189{
190 // The caller needs to have already set the alpha type properly, so the
191 // native SkBitmap stays in sync with the Java Bitmap.
192 assert_premultiplied(info, isPremultiplied);
193
194 env->CallVoidMethod(javaBitmap, gBitmap_reinitMethodID,
195 info.width(), info.height(), isPremultiplied);
196}
197
sergeyvc1c54062016-10-19 18:47:26 -0700198jobject createBitmap(JNIEnv* env, Bitmap* bitmap,
sergeyvc69853c2016-10-07 14:14:09 -0700199 int bitmapCreateFlags, jbyteArray ninePatchChunk, jobject ninePatchInsets,
200 int density) {
201 bool isMutable = bitmapCreateFlags & kBitmapCreateFlag_Mutable;
202 bool isPremultiplied = bitmapCreateFlags & kBitmapCreateFlag_Premultiplied;
203 // The caller needs to have already set the alpha type properly, so the
204 // native SkBitmap stays in sync with the Java Bitmap.
sergeyvc1c54062016-10-19 18:47:26 -0700205 assert_premultiplied(bitmap->info(), isPremultiplied);
Leon Scroggins IIIbbdb7312019-01-31 14:35:54 -0500206 bool fromMalloc = bitmap->pixelStorageType() == PixelStorageType::Heap;
sergeyvc1c54062016-10-19 18:47:26 -0700207 BitmapWrapper* bitmapWrapper = new BitmapWrapper(bitmap);
Nader Jawade7b51292018-04-12 17:55:31 -0700208 if (!isMutable) {
209 bitmapWrapper->bitmap().setImmutable();
210 }
sergeyvc69853c2016-10-07 14:14:09 -0700211 jobject obj = env->NewObject(gBitmap_class, gBitmap_constructorMethodID,
sergeyvc1c54062016-10-19 18:47:26 -0700212 reinterpret_cast<jlong>(bitmapWrapper), bitmap->width(), bitmap->height(), density,
Leon Scroggins IIIbbdb7312019-01-31 14:35:54 -0500213 isPremultiplied, ninePatchChunk, ninePatchInsets, fromMalloc);
sergeyvc69853c2016-10-07 14:14:09 -0700214
215 if (env->ExceptionCheck() != 0) {
216 ALOGE("*** Uncaught exception returned from Java call!\n");
217 env->ExceptionDescribe();
218 }
219 return obj;
220}
221
222void toSkBitmap(jlong bitmapHandle, SkBitmap* outBitmap) {
223 LocalScopedBitmap bitmap(bitmapHandle);
224 bitmap->getSkBitmap(outBitmap);
225}
226
Leon Scroggins III71fae622019-03-26 16:28:41 -0400227Bitmap& toBitmap(jlong bitmapHandle) {
sergeyv5fd2a1c2016-10-20 15:04:28 -0700228 LocalScopedBitmap localBitmap(bitmapHandle);
229 return localBitmap->bitmap();
230}
231
sergeyvc69853c2016-10-07 14:14:09 -0700232} // namespace bitmap
233
234} // namespace android
235
236using namespace android;
237using namespace android::bitmap;
238
Derek Sollenberger6c41ab12019-11-08 08:50:58 -0500239Bitmap* GraphicsJNI::getNativeBitmap(JNIEnv* env, jobject bitmap) {
240 SkASSERT(env);
241 SkASSERT(bitmap);
242 SkASSERT(env->IsInstanceOf(bitmap, gBitmap_class));
243 jlong bitmapHandle = env->GetLongField(bitmap, gBitmap_nativePtr);
244 LocalScopedBitmap localBitmap(bitmapHandle);
245 return localBitmap.valid() ? &localBitmap->bitmap() : nullptr;
246}
247
Leon Scroggins III84a2afc2020-01-19 19:27:16 -0500248SkImageInfo GraphicsJNI::getBitmapInfo(JNIEnv* env, jobject bitmap, uint32_t* outRowBytes,
249 bool* isHardware) {
Derek Sollenberger6c41ab12019-11-08 08:50:58 -0500250 SkASSERT(env);
251 SkASSERT(bitmap);
252 SkASSERT(env->IsInstanceOf(bitmap, gBitmap_class));
253 jlong bitmapHandle = env->GetLongField(bitmap, gBitmap_nativePtr);
254 LocalScopedBitmap localBitmap(bitmapHandle);
255 if (outRowBytes) {
256 *outRowBytes = localBitmap->rowBytes();
257 }
Leon Scroggins III84a2afc2020-01-19 19:27:16 -0500258 if (isHardware) {
259 *isHardware = localBitmap->isHardware();
260 }
Derek Sollenberger6c41ab12019-11-08 08:50:58 -0500261 return localBitmap->info();
262}
263
Chris Craik32054b02014-05-09 13:58:56 -0700264bool GraphicsJNI::SetPixels(JNIEnv* env, jintArray srcColors, int srcOffset, int srcStride,
Brian Osman91c9c282018-08-17 16:57:15 -0400265 int x, int y, int width, int height, SkBitmap* dstBitmap) {
Chris Craik32054b02014-05-09 13:58:56 -0700266 const jint* array = env->GetIntArrayElements(srcColors, NULL);
267 const SkColor* src = (const SkColor*)array + srcOffset;
268
Brian Osman91c9c282018-08-17 16:57:15 -0400269 auto sRGB = SkColorSpace::MakeSRGB();
270 SkImageInfo srcInfo = SkImageInfo::Make(
271 width, height, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, sRGB);
272 SkPixmap srcPM(srcInfo, src, srcStride * 4);
Romain Guyce217fa2017-03-08 15:58:06 -0800273
Brian Osman91c9c282018-08-17 16:57:15 -0400274 dstBitmap->writePixels(srcPM, x, y);
Chris Craik32054b02014-05-09 13:58:56 -0700275
Romain Guy9505a652016-12-14 09:43:50 -0800276 env->ReleaseIntArrayElements(srcColors, const_cast<jint*>(array), JNI_ABORT);
Chris Craik32054b02014-05-09 13:58:56 -0700277 return true;
278}
279
Chris Craik32054b02014-05-09 13:58:56 -0700280///////////////////////////////////////////////////////////////////////////////
281///////////////////////////////////////////////////////////////////////////////
282
283static int getPremulBitmapCreateFlags(bool isMutable) {
sergeyvc69853c2016-10-07 14:14:09 -0700284 int flags = android::bitmap::kBitmapCreateFlag_Premultiplied;
285 if (isMutable) flags |= android::bitmap::kBitmapCreateFlag_Mutable;
Chris Craik32054b02014-05-09 13:58:56 -0700286 return flags;
287}
288
289static jobject Bitmap_creator(JNIEnv* env, jobject, jintArray jColors,
290 jint offset, jint stride, jint width, jint height,
Romain Guy82426562017-04-04 19:38:50 -0700291 jint configHandle, jboolean isMutable,
Leon Scroggins III0e443d12018-12-19 11:38:35 -0500292 jlong colorSpacePtr) {
Mike Reed1103b322014-07-08 12:36:44 -0400293 SkColorType colorType = GraphicsJNI::legacyBitmapConfigToColorType(configHandle);
Chris Craik32054b02014-05-09 13:58:56 -0700294 if (NULL != jColors) {
295 size_t n = env->GetArrayLength(jColors);
296 if (n < SkAbs32(stride) * (size_t)height) {
297 doThrowAIOOBE(env);
298 return NULL;
299 }
300 }
301
302 // ARGB_4444 is a deprecated format, convert automatically to 8888
Mike Reedb9330552014-06-16 17:31:48 -0400303 if (colorType == kARGB_4444_SkColorType) {
304 colorType = kN32_SkColorType;
Chris Craik32054b02014-05-09 13:58:56 -0700305 }
306
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500307 sk_sp<SkColorSpace> colorSpace;
308 if (colorType == kAlpha_8_SkColorType) {
309 colorSpace = nullptr;
310 } else {
311 colorSpace = GraphicsJNI::getNativeColorSpace(colorSpacePtr);
312 }
313
Chris Craik32054b02014-05-09 13:58:56 -0700314 SkBitmap bitmap;
Leon Scroggins III0e443d12018-12-19 11:38:35 -0500315 bitmap.setInfo(SkImageInfo::Make(width, height, colorType, kPremul_SkAlphaType,
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500316 colorSpace));
Chris Craik32054b02014-05-09 13:58:56 -0700317
Leon Scroggins IIIf51a80d2017-07-12 10:46:35 -0400318 sk_sp<Bitmap> nativeBitmap = Bitmap::allocateHeapBitmap(&bitmap);
John Reckf29ed282015-04-07 07:32:03 -0700319 if (!nativeBitmap) {
Leon Scroggins IIIf3a02992017-10-03 14:00:20 -0400320 ALOGE("OOM allocating Bitmap with dimensions %i x %i", width, height);
321 doThrowOOME(env);
Chris Craik32054b02014-05-09 13:58:56 -0700322 return NULL;
323 }
324
325 if (jColors != NULL) {
Brian Osman91c9c282018-08-17 16:57:15 -0400326 GraphicsJNI::SetPixels(env, jColors, offset, stride, 0, 0, width, height, &bitmap);
Chris Craik32054b02014-05-09 13:58:56 -0700327 }
328
sergeyvc36bd6c2016-10-11 15:49:16 -0700329 return createBitmap(env, nativeBitmap.release(), getPremulBitmapCreateFlags(isMutable));
Chris Craik32054b02014-05-09 13:58:56 -0700330}
331
Matt Sarett5320a722017-03-20 13:51:29 -0400332static bool bitmapCopyTo(SkBitmap* dst, SkColorType dstCT, const SkBitmap& src,
333 SkBitmap::Allocator* alloc) {
Matt Sarette9834402017-04-25 13:49:42 -0400334 SkPixmap srcPM;
335 if (!src.peekPixels(&srcPM)) {
336 return false;
337 }
338
339 SkImageInfo dstInfo = srcPM.info().makeColorType(dstCT);
340 switch (dstCT) {
341 case kRGB_565_SkColorType:
Brian Osmanbaf13e82018-09-21 11:21:30 -0400342 dstInfo = dstInfo.makeAlphaType(kOpaque_SkAlphaType);
Matt Sarette9834402017-04-25 13:49:42 -0400343 break;
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500344 case kAlpha_8_SkColorType:
345 dstInfo = dstInfo.makeColorSpace(nullptr);
Matt Sarette9834402017-04-25 13:49:42 -0400346 break;
347 default:
348 break;
349 }
350
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500351 if (!dstInfo.colorSpace() && dstCT != kAlpha_8_SkColorType) {
352 dstInfo = dstInfo.makeColorSpace(SkColorSpace::MakeSRGB());
353 }
354
Matt Sarette9834402017-04-25 13:49:42 -0400355 if (!dst->setInfo(dstInfo)) {
356 return false;
357 }
Mike Reed81397c42017-07-18 17:04:16 -0400358 if (!dst->tryAllocPixels(alloc)) {
Matt Sarette9834402017-04-25 13:49:42 -0400359 return false;
360 }
361
Matt Sarette9834402017-04-25 13:49:42 -0400362 SkPixmap dstPM;
363 if (!dst->peekPixels(&dstPM)) {
364 return false;
365 }
366
Matt Sarette9834402017-04-25 13:49:42 -0400367 return srcPM.readPixels(dstPM);
Matt Sarett5320a722017-03-20 13:51:29 -0400368}
369
Chris Craik32054b02014-05-09 13:58:56 -0700370static jobject Bitmap_copy(JNIEnv* env, jobject, jlong srcHandle,
371 jint dstConfigHandle, jboolean isMutable) {
John Reckf29ed282015-04-07 07:32:03 -0700372 SkBitmap src;
sergeyvc1c54062016-10-19 18:47:26 -0700373 reinterpret_cast<BitmapWrapper*>(srcHandle)->getSkBitmap(&src);
sergeyv05126d12016-12-15 19:50:15 -0800374 if (dstConfigHandle == GraphicsJNI::hardwareLegacyBitmapConfig()) {
375 sk_sp<Bitmap> bitmap(Bitmap::allocateHardwareBitmap(src));
376 if (!bitmap.get()) {
377 return NULL;
378 }
sergeyv656117b2017-02-28 15:25:10 -0800379 return createBitmap(env, bitmap.release(), getPremulBitmapCreateFlags(isMutable));
sergeyv05126d12016-12-15 19:50:15 -0800380 }
381
Mike Reed1103b322014-07-08 12:36:44 -0400382 SkColorType dstCT = GraphicsJNI::legacyBitmapConfigToColorType(dstConfigHandle);
sergeyv45082182016-09-29 18:25:40 -0700383 SkBitmap result;
384 HeapAllocator allocator;
Chris Craik32054b02014-05-09 13:58:56 -0700385
Matt Sarett5320a722017-03-20 13:51:29 -0400386 if (!bitmapCopyTo(&result, dstCT, src, &allocator)) {
Chris Craik32054b02014-05-09 13:58:56 -0700387 return NULL;
388 }
sergeyvc1c54062016-10-19 18:47:26 -0700389 auto bitmap = allocator.getStorageObjAndReset();
390 return createBitmap(env, bitmap, getPremulBitmapCreateFlags(isMutable));
Chris Craik32054b02014-05-09 13:58:56 -0700391}
392
sergeyvc1c54062016-10-19 18:47:26 -0700393static Bitmap* Bitmap_copyAshmemImpl(JNIEnv* env, SkBitmap& src, SkColorType& dstCT) {
Riley Andrews721ae5f2015-05-11 16:08:22 -0700394 SkBitmap result;
395
396 AshmemPixelAllocator allocator(env);
Matt Sarett5320a722017-03-20 13:51:29 -0400397 if (!bitmapCopyTo(&result, dstCT, src, &allocator)) {
Riley Andrews721ae5f2015-05-11 16:08:22 -0700398 return NULL;
399 }
sergeyvc1c54062016-10-19 18:47:26 -0700400 auto bitmap = allocator.getStorageObjAndReset();
401 bitmap->setImmutable();
402 return bitmap;
Winsona5fdde92016-04-14 15:27:15 -0700403}
404
405static jobject Bitmap_copyAshmem(JNIEnv* env, jobject, jlong srcHandle) {
406 SkBitmap src;
sergeyvc1c54062016-10-19 18:47:26 -0700407 reinterpret_cast<BitmapWrapper*>(srcHandle)->getSkBitmap(&src);
Winsona5fdde92016-04-14 15:27:15 -0700408 SkColorType dstCT = src.colorType();
sergeyvc1c54062016-10-19 18:47:26 -0700409 auto bitmap = Bitmap_copyAshmemImpl(env, src, dstCT);
410 jobject ret = createBitmap(env, bitmap, getPremulBitmapCreateFlags(false));
Winsona5fdde92016-04-14 15:27:15 -0700411 return ret;
412}
413
414static jobject Bitmap_copyAshmemConfig(JNIEnv* env, jobject, jlong srcHandle, jint dstConfigHandle) {
415 SkBitmap src;
sergeyvc1c54062016-10-19 18:47:26 -0700416 reinterpret_cast<BitmapWrapper*>(srcHandle)->getSkBitmap(&src);
Winsona5fdde92016-04-14 15:27:15 -0700417 SkColorType dstCT = GraphicsJNI::legacyBitmapConfigToColorType(dstConfigHandle);
sergeyvc1c54062016-10-19 18:47:26 -0700418 auto bitmap = Bitmap_copyAshmemImpl(env, src, dstCT);
419 jobject ret = createBitmap(env, bitmap, getPremulBitmapCreateFlags(false));
Riley Andrews721ae5f2015-05-11 16:08:22 -0700420 return ret;
421}
422
sergeyvc1c54062016-10-19 18:47:26 -0700423static void Bitmap_destruct(BitmapWrapper* bitmap) {
sergeyvc69853c2016-10-07 14:14:09 -0700424 delete bitmap;
Chris Craik32054b02014-05-09 13:58:56 -0700425}
426
Richard Uhler775873a2015-12-29 12:37:39 -0800427static jlong Bitmap_getNativeFinalizer(JNIEnv*, jobject) {
428 return static_cast<jlong>(reinterpret_cast<uintptr_t>(&Bitmap_destruct));
429}
430
Leon Scroggins IIIf8adae12018-05-24 15:25:08 -0400431static void Bitmap_recycle(JNIEnv* env, jobject, jlong bitmapHandle) {
John Reckf29ed282015-04-07 07:32:03 -0700432 LocalScopedBitmap bitmap(bitmapHandle);
433 bitmap->freePixels();
Chris Craik32054b02014-05-09 13:58:56 -0700434}
435
436static void Bitmap_reconfigure(JNIEnv* env, jobject clazz, jlong bitmapHandle,
sergeyv45082182016-09-29 18:25:40 -0700437 jint width, jint height, jint configHandle, jboolean requestPremul) {
John Reckf29ed282015-04-07 07:32:03 -0700438 LocalScopedBitmap bitmap(bitmapHandle);
sergeyvc69853c2016-10-07 14:14:09 -0700439 bitmap->assertValid();
Mike Reed1103b322014-07-08 12:36:44 -0400440 SkColorType colorType = GraphicsJNI::legacyBitmapConfigToColorType(configHandle);
Leon Scroggins III17a8bfc2014-06-03 16:15:15 -0400441
442 // ARGB_4444 is a deprecated format, convert automatically to 8888
443 if (colorType == kARGB_4444_SkColorType) {
444 colorType = kN32_SkColorType;
445 }
sergeyv45082182016-09-29 18:25:40 -0700446 size_t requestedSize = width * height * SkColorTypeBytesPerPixel(colorType);
447 if (requestedSize > bitmap->getAllocationByteCount()) {
Chris Craik32054b02014-05-09 13:58:56 -0700448 // done in native as there's no way to get BytesPerPixel in Java
449 doThrowIAE(env, "Bitmap not large enough to support new configuration");
450 return;
451 }
Leon Scroggins III17a8bfc2014-06-03 16:15:15 -0400452 SkAlphaType alphaType;
John Reckf29ed282015-04-07 07:32:03 -0700453 if (bitmap->info().colorType() != kRGB_565_SkColorType
454 && bitmap->info().alphaType() == kOpaque_SkAlphaType) {
Leon Scroggins III17a8bfc2014-06-03 16:15:15 -0400455 // If the original bitmap was set to opaque, keep that setting, unless it
456 // was 565, which is required to be opaque.
457 alphaType = kOpaque_SkAlphaType;
458 } else {
459 // Otherwise respect the premultiplied request.
460 alphaType = requestPremul ? kPremul_SkAlphaType : kUnpremul_SkAlphaType;
461 }
sergeyvaed7f582016-10-14 16:30:21 -0700462 bitmap->bitmap().reconfigure(SkImageInfo::Make(width, height, colorType, alphaType,
sergeyv7d5219f2016-11-03 16:18:16 -0700463 sk_ref_sp(bitmap->info().colorSpace())));
Chris Craik32054b02014-05-09 13:58:56 -0700464}
465
Chris Craik32054b02014-05-09 13:58:56 -0700466static jboolean Bitmap_compress(JNIEnv* env, jobject clazz, jlong bitmapHandle,
467 jint format, jint quality,
468 jobject jstream, jbyteArray jstorage) {
Hal Canary10219fb2016-11-23 20:41:22 -0500469 LocalScopedBitmap bitmap(bitmapHandle);
John Reckf29ed282015-04-07 07:32:03 -0700470 if (!bitmap.valid()) {
471 return JNI_FALSE;
472 }
473
John Reckf29ed282015-04-07 07:32:03 -0700474 std::unique_ptr<SkWStream> strm(CreateJavaOutputStreamAdaptor(env, jstream, jstorage));
475 if (!strm.get()) {
476 return JNI_FALSE;
477 }
Chris Craik32054b02014-05-09 13:58:56 -0700478
Leon Scroggins III9010e8b2019-08-20 11:27:17 -0400479 auto fm = static_cast<Bitmap::JavaCompressFormat>(format);
Leon Scroggins III949c6002020-01-23 16:20:39 -0500480 return bitmap->bitmap().compress(fm, quality, strm.get()) ? JNI_TRUE : JNI_FALSE;
Chris Craik32054b02014-05-09 13:58:56 -0700481}
482
Leon Scroggins III4c4259b2018-12-17 10:40:07 -0500483static inline void bitmapErase(SkBitmap bitmap, const SkColor4f& color,
484 const sk_sp<SkColorSpace>& colorSpace) {
485 SkPaint p;
486 p.setColor4f(color, colorSpace.get());
487 p.setBlendMode(SkBlendMode::kSrc);
488 SkCanvas canvas(bitmap);
489 canvas.drawPaint(p);
490}
491
Chris Craik32054b02014-05-09 13:58:56 -0700492static void Bitmap_erase(JNIEnv* env, jobject, jlong bitmapHandle, jint color) {
John Reckf29ed282015-04-07 07:32:03 -0700493 LocalScopedBitmap bitmap(bitmapHandle);
494 SkBitmap skBitmap;
495 bitmap->getSkBitmap(&skBitmap);
Leon Scroggins III4c4259b2018-12-17 10:40:07 -0500496 bitmapErase(skBitmap, SkColor4f::FromColor(color), SkColorSpace::MakeSRGB());
497}
498
Leon Scroggins III94ba1002019-01-17 13:34:51 -0500499static void Bitmap_eraseLong(JNIEnv* env, jobject, jlong bitmapHandle,
500 jlong colorSpaceHandle, jlong colorLong) {
Leon Scroggins III4c4259b2018-12-17 10:40:07 -0500501 LocalScopedBitmap bitmap(bitmapHandle);
502 SkBitmap skBitmap;
503 bitmap->getSkBitmap(&skBitmap);
Leon Scroggins III0e443d12018-12-19 11:38:35 -0500504
Leon Scroggins III94ba1002019-01-17 13:34:51 -0500505 SkColor4f color = GraphicsJNI::convertColorLong(colorLong);
Leon Scroggins III0e443d12018-12-19 11:38:35 -0500506 sk_sp<SkColorSpace> cs = GraphicsJNI::getNativeColorSpace(colorSpaceHandle);
Leon Scroggins III4c4259b2018-12-17 10:40:07 -0500507 bitmapErase(skBitmap, color, cs);
Chris Craik32054b02014-05-09 13:58:56 -0700508}
509
510static jint Bitmap_rowBytes(JNIEnv* env, jobject, jlong bitmapHandle) {
John Reckf29ed282015-04-07 07:32:03 -0700511 LocalScopedBitmap bitmap(bitmapHandle);
Chris Craik32054b02014-05-09 13:58:56 -0700512 return static_cast<jint>(bitmap->rowBytes());
513}
514
515static jint Bitmap_config(JNIEnv* env, jobject, jlong bitmapHandle) {
John Reckf29ed282015-04-07 07:32:03 -0700516 LocalScopedBitmap bitmap(bitmapHandle);
sergeyv15a10852016-12-27 14:32:03 -0800517 if (bitmap->isHardware()) {
sergeyv19b4b012016-12-13 16:06:00 -0800518 return GraphicsJNI::hardwareLegacyBitmapConfig();
519 }
John Reckf29ed282015-04-07 07:32:03 -0700520 return GraphicsJNI::colorTypeToLegacyBitmapConfig(bitmap->info().colorType());
Chris Craik32054b02014-05-09 13:58:56 -0700521}
522
523static jint Bitmap_getGenerationId(JNIEnv* env, jobject, jlong bitmapHandle) {
John Reckf29ed282015-04-07 07:32:03 -0700524 LocalScopedBitmap bitmap(bitmapHandle);
sergeyvc69853c2016-10-07 14:14:09 -0700525 return static_cast<jint>(bitmap->getGenerationID());
Chris Craik32054b02014-05-09 13:58:56 -0700526}
527
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400528static jboolean Bitmap_isPremultiplied(JNIEnv* env, jobject, jlong bitmapHandle) {
John Reckf29ed282015-04-07 07:32:03 -0700529 LocalScopedBitmap bitmap(bitmapHandle);
530 if (bitmap->info().alphaType() == kPremul_SkAlphaType) {
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400531 return JNI_TRUE;
532 }
533 return JNI_FALSE;
534}
535
Chris Craik32054b02014-05-09 13:58:56 -0700536static jboolean Bitmap_hasAlpha(JNIEnv* env, jobject, jlong bitmapHandle) {
John Reckf29ed282015-04-07 07:32:03 -0700537 LocalScopedBitmap bitmap(bitmapHandle);
538 return !bitmap->info().isOpaque() ? JNI_TRUE : JNI_FALSE;
Chris Craik32054b02014-05-09 13:58:56 -0700539}
540
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400541static void Bitmap_setHasAlpha(JNIEnv* env, jobject, jlong bitmapHandle,
542 jboolean hasAlpha, jboolean requestPremul) {
John Reckf29ed282015-04-07 07:32:03 -0700543 LocalScopedBitmap bitmap(bitmapHandle);
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400544 if (hasAlpha) {
John Reck0781a2f2015-05-27 16:29:17 -0700545 bitmap->setAlphaType(
John Reckf29ed282015-04-07 07:32:03 -0700546 requestPremul ? kPremul_SkAlphaType : kUnpremul_SkAlphaType);
Chris Craik32054b02014-05-09 13:58:56 -0700547 } else {
John Reck0781a2f2015-05-27 16:29:17 -0700548 bitmap->setAlphaType(kOpaque_SkAlphaType);
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400549 }
550}
551
552static void Bitmap_setPremultiplied(JNIEnv* env, jobject, jlong bitmapHandle,
553 jboolean isPremul) {
John Reckf29ed282015-04-07 07:32:03 -0700554 LocalScopedBitmap bitmap(bitmapHandle);
555 if (!bitmap->info().isOpaque()) {
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400556 if (isPremul) {
John Reck0781a2f2015-05-27 16:29:17 -0700557 bitmap->setAlphaType(kPremul_SkAlphaType);
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400558 } else {
John Reck0781a2f2015-05-27 16:29:17 -0700559 bitmap->setAlphaType(kUnpremul_SkAlphaType);
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400560 }
Chris Craik32054b02014-05-09 13:58:56 -0700561 }
562}
563
564static jboolean Bitmap_hasMipMap(JNIEnv* env, jobject, jlong bitmapHandle) {
John Reckf29ed282015-04-07 07:32:03 -0700565 LocalScopedBitmap bitmap(bitmapHandle);
Chris Craik32054b02014-05-09 13:58:56 -0700566 return bitmap->hasHardwareMipMap() ? JNI_TRUE : JNI_FALSE;
567}
568
569static void Bitmap_setHasMipMap(JNIEnv* env, jobject, jlong bitmapHandle,
570 jboolean hasMipMap) {
John Reckf29ed282015-04-07 07:32:03 -0700571 LocalScopedBitmap bitmap(bitmapHandle);
Chris Craik32054b02014-05-09 13:58:56 -0700572 bitmap->setHasHardwareMipMap(hasMipMap);
573}
574
575///////////////////////////////////////////////////////////////////////////////
576
John Recka18d7c82020-03-02 09:41:33 -0800577// TODO: Move somewhere else
Derek Sollenberger42c50042020-02-18 14:51:17 -0500578#ifdef __ANDROID__ // Layoutlib does not support parcel
Derek Sollenberger42c50042020-02-18 14:51:17 -0500579
John Recka18d7c82020-03-02 09:41:33 -0800580class ScopedParcel {
581public:
582 explicit ScopedParcel(JNIEnv* env, jobject parcel) {
583 mParcel = AParcel_fromJavaParcel(env, parcel);
Derek Sollenberger42c50042020-02-18 14:51:17 -0500584 }
John Recka18d7c82020-03-02 09:41:33 -0800585
586 ~ScopedParcel() { AParcel_delete(mParcel); }
587
588 int32_t readInt32() {
589 int32_t temp = 0;
590 // TODO: This behavior-matches what android::Parcel does
591 // but this should probably be better
592 if (AParcel_readInt32(mParcel, &temp) != STATUS_OK) {
593 temp = 0;
594 }
595 return temp;
596 }
597
598 uint32_t readUint32() {
599 uint32_t temp = 0;
600 // TODO: This behavior-matches what android::Parcel does
601 // but this should probably be better
602 if (AParcel_readUint32(mParcel, &temp) != STATUS_OK) {
603 temp = 0;
604 }
605 return temp;
606 }
607
608 void writeInt32(int32_t value) { AParcel_writeInt32(mParcel, value); }
609
610 void writeUint32(uint32_t value) { AParcel_writeUint32(mParcel, value); }
611
612 bool allowFds() const { return AParcel_getAllowFds(mParcel); }
613
614 std::optional<sk_sp<SkData>> readData() {
615 struct Data {
616 void* ptr = nullptr;
617 size_t size = 0;
618 } data;
619 auto error = AParcel_readByteArray(mParcel, &data,
620 [](void* arrayData, int32_t length,
621 int8_t** outBuffer) -> bool {
622 Data* data = reinterpret_cast<Data*>(arrayData);
623 if (length > 0) {
624 data->ptr = sk_malloc_canfail(length);
625 if (!data->ptr) {
626 return false;
627 }
628 *outBuffer =
629 reinterpret_cast<int8_t*>(data->ptr);
630 data->size = length;
631 }
632 return true;
633 });
634 if (error != STATUS_OK || data.size <= 0) {
635 sk_free(data.ptr);
636 return std::nullopt;
637 } else {
638 return SkData::MakeFromMalloc(data.ptr, data.size);
639 }
640 }
641
642 void writeData(const std::optional<sk_sp<SkData>>& optData) {
643 if (optData) {
644 const auto& data = *optData;
645 AParcel_writeByteArray(mParcel, reinterpret_cast<const int8_t*>(data->data()),
646 data->size());
647 } else {
648 AParcel_writeByteArray(mParcel, nullptr, -1);
649 }
650 }
651
652 AParcel* get() { return mParcel; }
653
654private:
655 AParcel* mParcel;
656};
657
658enum class BlobType : int32_t {
659 IN_PLACE,
660 ASHMEM,
661};
662
663#define ON_ERROR_RETURN(X) \
664 if ((error = (X)) != STATUS_OK) return error
665
666template <typename T, typename U>
667static binder_status_t readBlob(AParcel* parcel, T inPlaceCallback, U ashmemCallback) {
668 binder_status_t error = STATUS_OK;
669 BlobType type;
670 static_assert(sizeof(BlobType) == sizeof(int32_t));
671 ON_ERROR_RETURN(AParcel_readInt32(parcel, (int32_t*)&type));
672 if (type == BlobType::IN_PLACE) {
673 struct Data {
674 std::unique_ptr<int8_t[]> ptr = nullptr;
675 int32_t size = 0;
676 } data;
677 ON_ERROR_RETURN(
678 AParcel_readByteArray(parcel, &data,
679 [](void* arrayData, int32_t length, int8_t** outBuffer) {
680 Data* data = reinterpret_cast<Data*>(arrayData);
681 if (length > 0) {
682 data->ptr = std::make_unique<int8_t[]>(length);
683 data->size = length;
684 *outBuffer = data->ptr.get();
685 }
686 return data->ptr != nullptr;
687 }));
688 inPlaceCallback(std::move(data.ptr), data.size);
689 return STATUS_OK;
690 } else if (type == BlobType::ASHMEM) {
691 int rawFd = -1;
692 int32_t size = 0;
693 ON_ERROR_RETURN(AParcel_readInt32(parcel, &size));
694 ON_ERROR_RETURN(AParcel_readParcelFileDescriptor(parcel, &rawFd));
695 android::base::unique_fd fd(rawFd);
696 ashmemCallback(std::move(fd), size);
697 return STATUS_OK;
698 } else {
699 // Although the above if/else was "exhaustive" guard against unknown types
700 return STATUS_UNKNOWN_ERROR;
701 }
Derek Sollenberger42c50042020-02-18 14:51:17 -0500702}
John Recka18d7c82020-03-02 09:41:33 -0800703
704static constexpr size_t BLOB_INPLACE_LIMIT = 12 * 1024;
705// Fail fast if we can't use ashmem and the size exceeds this limit - the binder transaction
706// wouldn't go through, anyway
707// TODO: Can we get this from somewhere?
708static constexpr size_t BLOB_MAX_INPLACE_LIMIT = 1 * 1024 * 1024;
709static constexpr bool shouldUseAshmem(AParcel* parcel, int32_t size) {
710 return size > BLOB_INPLACE_LIMIT && AParcel_getAllowFds(parcel);
711}
712
713static binder_status_t writeBlobFromFd(AParcel* parcel, int32_t size, int fd) {
714 binder_status_t error = STATUS_OK;
715 ON_ERROR_RETURN(AParcel_writeInt32(parcel, static_cast<int32_t>(BlobType::ASHMEM)));
716 ON_ERROR_RETURN(AParcel_writeInt32(parcel, size));
717 ON_ERROR_RETURN(AParcel_writeParcelFileDescriptor(parcel, fd));
718 return STATUS_OK;
719}
720
John Reck6a93b4f2020-04-10 17:12:00 -0700721static binder_status_t writeBlob(AParcel* parcel, const int32_t size, const void* data, bool immutable) {
John Recka18d7c82020-03-02 09:41:33 -0800722 if (size <= 0 || data == nullptr) {
723 return STATUS_NOT_ENOUGH_DATA;
724 }
725 binder_status_t error = STATUS_OK;
726 if (shouldUseAshmem(parcel, size)) {
727 // Create new ashmem region with read/write priv
728 base::unique_fd fd(ashmem_create_region("bitmap", size));
729 if (fd.get() < 0) {
730 return STATUS_NO_MEMORY;
731 }
732
733 {
734 void* dest = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd.get(), 0);
735 if (dest == MAP_FAILED) {
736 return STATUS_NO_MEMORY;
737 }
738 memcpy(dest, data, size);
739 munmap(dest, size);
740 }
741
John Reck6a93b4f2020-04-10 17:12:00 -0700742 if (immutable && ashmem_set_prot_region(fd.get(), PROT_READ) < 0) {
John Recka18d7c82020-03-02 09:41:33 -0800743 return STATUS_UNKNOWN_ERROR;
744 }
745 // Workaround b/149851140 in AParcel_writeParcelFileDescriptor
746 int rawFd = fd.release();
747 error = writeBlobFromFd(parcel, size, rawFd);
748 close(rawFd);
749 return error;
750 } else {
751 if (size > BLOB_MAX_INPLACE_LIMIT) {
752 return STATUS_FAILED_TRANSACTION;
753 }
754 ON_ERROR_RETURN(AParcel_writeInt32(parcel, static_cast<int32_t>(BlobType::IN_PLACE)));
755 ON_ERROR_RETURN(AParcel_writeByteArray(parcel, static_cast<const int8_t*>(data), size));
756 return STATUS_OK;
757 }
758}
759
760#undef ON_ERROR_RETURN
761
762#endif // __ANDROID__ // Layoutlib does not support parcel
Derek Sollenberger42c50042020-02-18 14:51:17 -0500763
Matt Sarett3ca39752017-05-26 10:55:38 -0400764// This is the maximum possible size because the SkColorSpace must be
765// representable (and therefore serializable) using a matrix and numerical
766// transfer function. If we allow more color space representations in the
767// framework, we may need to update this maximum size.
John Recka18d7c82020-03-02 09:41:33 -0800768static constexpr size_t kMaxColorSpaceSerializedBytes = 80;
769
770static constexpr auto RuntimeException = "java/lang/RuntimeException";
771
772static bool validateImageInfo(const SkImageInfo& info, int32_t rowBytes) {
773 // TODO: Can we avoid making a SkBitmap for this?
774 return SkBitmap().setInfo(info, rowBytes);
775}
Matt Sarett3ca39752017-05-26 10:55:38 -0400776
Chris Craik32054b02014-05-09 13:58:56 -0700777static jobject Bitmap_createFromParcel(JNIEnv* env, jobject, jobject parcel) {
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +0100778#ifdef __ANDROID__ // Layoutlib does not support parcel
Chris Craik32054b02014-05-09 13:58:56 -0700779 if (parcel == NULL) {
John Recka18d7c82020-03-02 09:41:33 -0800780 jniThrowNullPointerException(env, "parcel cannot be null");
Chris Craik32054b02014-05-09 13:58:56 -0700781 return NULL;
782 }
783
John Recka18d7c82020-03-02 09:41:33 -0800784 ScopedParcel p(env, parcel);
Chris Craik32054b02014-05-09 13:58:56 -0700785
John Reck6a93b4f2020-04-10 17:12:00 -0700786 const bool isMutable = p.readInt32();
John Recka18d7c82020-03-02 09:41:33 -0800787 const SkColorType colorType = static_cast<SkColorType>(p.readInt32());
788 const SkAlphaType alphaType = static_cast<SkAlphaType>(p.readInt32());
Romain Guy5acc4762017-03-07 15:29:27 -0800789 sk_sp<SkColorSpace> colorSpace;
John Recka18d7c82020-03-02 09:41:33 -0800790 const auto optColorSpaceData = p.readData();
791 if (optColorSpaceData) {
792 const auto& colorSpaceData = *optColorSpaceData;
793 if (colorSpaceData->size() > kMaxColorSpaceSerializedBytes) {
Matt Sarett3ca39752017-05-26 10:55:38 -0400794 ALOGD("Bitmap_createFromParcel: Serialized SkColorSpace is larger than expected: "
John Recka18d7c82020-03-02 09:41:33 -0800795 "%zu bytes (max: %zu)\n",
796 colorSpaceData->size(), kMaxColorSpaceSerializedBytes);
Matt Sarett3ca39752017-05-26 10:55:38 -0400797 }
798
John Recka18d7c82020-03-02 09:41:33 -0800799 colorSpace = SkColorSpace::Deserialize(colorSpaceData->data(), colorSpaceData->size());
Romain Guy5acc4762017-03-07 15:29:27 -0800800 }
John Recka18d7c82020-03-02 09:41:33 -0800801 const int32_t width = p.readInt32();
802 const int32_t height = p.readInt32();
803 const int32_t rowBytes = p.readInt32();
804 const int32_t density = p.readInt32();
Chris Craik32054b02014-05-09 13:58:56 -0700805
Mike Reedb9330552014-06-16 17:31:48 -0400806 if (kN32_SkColorType != colorType &&
Romain Guy9505a652016-12-14 09:43:50 -0800807 kRGBA_F16_SkColorType != colorType &&
Mike Reedb9330552014-06-16 17:31:48 -0400808 kRGB_565_SkColorType != colorType &&
809 kARGB_4444_SkColorType != colorType &&
Mike Reedb9330552014-06-16 17:31:48 -0400810 kAlpha_8_SkColorType != colorType) {
John Recka18d7c82020-03-02 09:41:33 -0800811 jniThrowExceptionFmt(env, RuntimeException,
812 "Bitmap_createFromParcel unknown colortype: %d\n", colorType);
Chris Craik32054b02014-05-09 13:58:56 -0700813 return NULL;
814 }
815
John Recka18d7c82020-03-02 09:41:33 -0800816 auto imageInfo = SkImageInfo::Make(width, height, colorType, alphaType, colorSpace);
817 size_t allocationSize = 0;
818 if (!validateImageInfo(imageInfo, rowBytes)) {
819 jniThrowRuntimeException(env, "Received bad SkImageInfo");
Leon Scroggins IIIec419e02015-03-11 13:12:06 -0400820 return NULL;
821 }
John Recka18d7c82020-03-02 09:41:33 -0800822 if (!Bitmap::computeAllocationSize(rowBytes, height, &allocationSize)) {
823 jniThrowExceptionFmt(env, RuntimeException,
824 "Received bad bitmap size: width=%d, height=%d, rowBytes=%d", width,
825 height, rowBytes);
Chris Craik32054b02014-05-09 13:58:56 -0700826 return NULL;
827 }
sergeyvc1c54062016-10-19 18:47:26 -0700828 sk_sp<Bitmap> nativeBitmap;
John Recka18d7c82020-03-02 09:41:33 -0800829 binder_status_t error = readBlob(
830 p.get(),
831 // In place callback
832 [&](std::unique_ptr<int8_t[]> buffer, int32_t size) {
833 nativeBitmap = Bitmap::allocateHeapBitmap(allocationSize, imageInfo, rowBytes);
834 if (nativeBitmap) {
835 memcpy(nativeBitmap->pixels(), buffer.get(), size);
836 }
837 },
838 // Ashmem callback
839 [&](android::base::unique_fd fd, int32_t size) {
John Reck6a93b4f2020-04-10 17:12:00 -0700840 int flags = PROT_READ;
841 if (isMutable) {
842 flags |= PROT_WRITE;
843 }
844 void* addr = mmap(nullptr, size, flags, MAP_SHARED, fd.get(), 0);
John Recka18d7c82020-03-02 09:41:33 -0800845 if (addr == MAP_FAILED) {
John Reck6a93b4f2020-04-10 17:12:00 -0700846 const int err = errno;
847 ALOGW("mmap failed, error %d (%s)", err, strerror(err));
John Recka18d7c82020-03-02 09:41:33 -0800848 return;
849 }
850 nativeBitmap =
John Reck6a93b4f2020-04-10 17:12:00 -0700851 Bitmap::createFrom(imageInfo, rowBytes, fd.release(), addr, size, !isMutable);
John Recka18d7c82020-03-02 09:41:33 -0800852 });
853 if (error != STATUS_OK) {
854 // TODO: Stringify the error, see signalExceptionForError in android_util_Binder.cpp
855 jniThrowExceptionFmt(env, RuntimeException, "Failed to read from Parcel, error=%d", error);
856 return nullptr;
857 }
858 if (!nativeBitmap) {
859 jniThrowRuntimeException(env, "Could not allocate java pixel ref.");
860 return nullptr;
Chris Craik32054b02014-05-09 13:58:56 -0700861 }
Chris Craik32054b02014-05-09 13:58:56 -0700862
John Reck6a93b4f2020-04-10 17:12:00 -0700863 return createBitmap(env, nativeBitmap.release(), getPremulBitmapCreateFlags(isMutable), nullptr,
John Recka18d7c82020-03-02 09:41:33 -0800864 nullptr, density);
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +0100865#else
John Recka18d7c82020-03-02 09:41:33 -0800866 jniThrowRuntimeException(env, "Cannot use parcels outside of Android");
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +0100867 return NULL;
868#endif
Chris Craik32054b02014-05-09 13:58:56 -0700869}
870
871static jboolean Bitmap_writeToParcel(JNIEnv* env, jobject,
John Reckefac0522020-01-24 16:04:26 -0800872 jlong bitmapHandle, jint density, jobject parcel) {
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +0100873#ifdef __ANDROID__ // Layoutlib does not support parcel
Chris Craik32054b02014-05-09 13:58:56 -0700874 if (parcel == NULL) {
875 SkDebugf("------- writeToParcel null parcel\n");
876 return JNI_FALSE;
877 }
878
John Recka18d7c82020-03-02 09:41:33 -0800879 ScopedParcel p(env, parcel);
John Reckf29ed282015-04-07 07:32:03 -0700880 SkBitmap bitmap;
Riley Andrews39d7f302014-11-13 17:43:25 -0800881
sergeyvc1c54062016-10-19 18:47:26 -0700882 auto bitmapWrapper = reinterpret_cast<BitmapWrapper*>(bitmapHandle);
883 bitmapWrapper->getSkBitmap(&bitmap);
Chris Craik32054b02014-05-09 13:58:56 -0700884
John Reck6a93b4f2020-04-10 17:12:00 -0700885 p.writeInt32(!bitmap.isImmutable());
John Recka18d7c82020-03-02 09:41:33 -0800886 p.writeInt32(bitmap.colorType());
887 p.writeInt32(bitmap.alphaType());
Romain Guy5acc4762017-03-07 15:29:27 -0800888 SkColorSpace* colorSpace = bitmap.colorSpace();
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500889 if (colorSpace != nullptr) {
John Recka18d7c82020-03-02 09:41:33 -0800890 p.writeData(colorSpace->serialize());
Romain Guy5acc4762017-03-07 15:29:27 -0800891 } else {
John Recka18d7c82020-03-02 09:41:33 -0800892 p.writeData(std::nullopt);
Romain Guy5acc4762017-03-07 15:29:27 -0800893 }
John Recka18d7c82020-03-02 09:41:33 -0800894 p.writeInt32(bitmap.width());
895 p.writeInt32(bitmap.height());
896 p.writeInt32(bitmap.rowBytes());
897 p.writeInt32(density);
Chris Craik32054b02014-05-09 13:58:56 -0700898
Jeff Browna316c5d2015-06-05 15:14:06 -0700899 // Transfer the underlying ashmem region if we have one and it's immutable.
John Recka18d7c82020-03-02 09:41:33 -0800900 binder_status_t status;
sergeyvaed7f582016-10-14 16:30:21 -0700901 int fd = bitmapWrapper->bitmap().getAshmemFd();
John Reck6a93b4f2020-04-10 17:12:00 -0700902 if (fd >= 0 && p.allowFds() && bitmap.isImmutable()) {
Jeff Browna316c5d2015-06-05 15:14:06 -0700903#if DEBUG_PARCEL
904 ALOGD("Bitmap.writeToParcel: transferring immutable bitmap's ashmem fd as "
John Recka18d7c82020-03-02 09:41:33 -0800905 "immutable blob (fds %s)",
906 p.allowFds() ? "allowed" : "forbidden");
Jeff Browna316c5d2015-06-05 15:14:06 -0700907#endif
908
John Recka18d7c82020-03-02 09:41:33 -0800909 status = writeBlobFromFd(p.get(), bitmapWrapper->bitmap().getAllocationByteCount(), fd);
910 if (status != STATUS_OK) {
Jeff Browna316c5d2015-06-05 15:14:06 -0700911 doThrowRE(env, "Could not write bitmap blob file descriptor.");
Riley Andrews39d7f302014-11-13 17:43:25 -0800912 return JNI_FALSE;
913 }
Jeff Browna316c5d2015-06-05 15:14:06 -0700914 return JNI_TRUE;
Riley Andrews39d7f302014-11-13 17:43:25 -0800915 }
Jeff Browna316c5d2015-06-05 15:14:06 -0700916
917 // Copy the bitmap to a new blob.
Jeff Browna316c5d2015-06-05 15:14:06 -0700918#if DEBUG_PARCEL
John Reckefac0522020-01-24 16:04:26 -0800919 ALOGD("Bitmap.writeToParcel: copying bitmap into new blob (fds %s)",
John Recka18d7c82020-03-02 09:41:33 -0800920 p.allowFds() ? "allowed" : "forbidden");
Jeff Browna316c5d2015-06-05 15:14:06 -0700921#endif
922
Mike Reed7569de02017-10-06 16:25:49 -0400923 size_t size = bitmap.computeByteSize();
John Reck6a93b4f2020-04-10 17:12:00 -0700924 status = writeBlob(p.get(), size, bitmap.getPixels(), bitmap.isImmutable());
Jeff Browna316c5d2015-06-05 15:14:06 -0700925 if (status) {
926 doThrowRE(env, "Could not copy bitmap to parcel blob.");
927 return JNI_FALSE;
928 }
Chris Craik32054b02014-05-09 13:58:56 -0700929 return JNI_TRUE;
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +0100930#else
931 doThrowRE(env, "Cannot use parcels outside of Android");
932 return JNI_FALSE;
933#endif
Chris Craik32054b02014-05-09 13:58:56 -0700934}
935
936static jobject Bitmap_extractAlpha(JNIEnv* env, jobject clazz,
937 jlong srcHandle, jlong paintHandle,
938 jintArray offsetXY) {
John Reckf29ed282015-04-07 07:32:03 -0700939 SkBitmap src;
sergeyvc1c54062016-10-19 18:47:26 -0700940 reinterpret_cast<BitmapWrapper*>(srcHandle)->getSkBitmap(&src);
Behdad Esfahbod6ba30b82014-07-15 16:22:32 -0400941 const android::Paint* paint = reinterpret_cast<android::Paint*>(paintHandle);
Chris Craik32054b02014-05-09 13:58:56 -0700942 SkIPoint offset;
John Reckf29ed282015-04-07 07:32:03 -0700943 SkBitmap dst;
sergeyv45082182016-09-29 18:25:40 -0700944 HeapAllocator allocator;
Chris Craik32054b02014-05-09 13:58:56 -0700945
John Reckf29ed282015-04-07 07:32:03 -0700946 src.extractAlpha(&dst, paint, &allocator, &offset);
Chris Craik32054b02014-05-09 13:58:56 -0700947 // If Skia can't allocate pixels for destination bitmap, it resets
948 // it, that is set its pixels buffer to NULL, and zero width and height.
John Reckf29ed282015-04-07 07:32:03 -0700949 if (dst.getPixels() == NULL && src.getPixels() != NULL) {
Chris Craik32054b02014-05-09 13:58:56 -0700950 doThrowOOME(env, "failed to allocate pixels for alpha");
951 return NULL;
952 }
953 if (offsetXY != 0 && env->GetArrayLength(offsetXY) >= 2) {
954 int* array = env->GetIntArrayElements(offsetXY, NULL);
955 array[0] = offset.fX;
956 array[1] = offset.fY;
957 env->ReleaseIntArrayElements(offsetXY, array, 0);
958 }
959
sergeyvc69853c2016-10-07 14:14:09 -0700960 return createBitmap(env, allocator.getStorageObjAndReset(),
John Reckf29ed282015-04-07 07:32:03 -0700961 getPremulBitmapCreateFlags(true));
Chris Craik32054b02014-05-09 13:58:56 -0700962}
963
964///////////////////////////////////////////////////////////////////////////////
965
Romain Guyefb4b062017-02-27 11:00:04 -0800966static jboolean Bitmap_isSRGB(JNIEnv* env, jobject, jlong bitmapHandle) {
967 LocalScopedBitmap bitmapHolder(bitmapHandle);
968 if (!bitmapHolder.valid()) return JNI_TRUE;
969
970 SkColorSpace* colorSpace = bitmapHolder->info().colorSpace();
Brian Osman91c9c282018-08-17 16:57:15 -0400971 return colorSpace == nullptr || colorSpace->isSRGB();
Romain Guyefb4b062017-02-27 11:00:04 -0800972}
973
Leon Scroggins IIIce89a6e2018-03-13 15:39:39 -0400974static jboolean Bitmap_isSRGBLinear(JNIEnv* env, jobject, jlong bitmapHandle) {
975 LocalScopedBitmap bitmapHolder(bitmapHandle);
976 if (!bitmapHolder.valid()) return JNI_FALSE;
977
978 SkColorSpace* colorSpace = bitmapHolder->info().colorSpace();
979 sk_sp<SkColorSpace> srgbLinear = SkColorSpace::MakeSRGBLinear();
980 return colorSpace == srgbLinear.get() ? JNI_TRUE : JNI_FALSE;
981}
982
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500983static jobject Bitmap_computeColorSpace(JNIEnv* env, jobject, jlong bitmapHandle) {
Romain Guyefb4b062017-02-27 11:00:04 -0800984 LocalScopedBitmap bitmapHolder(bitmapHandle);
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500985 if (!bitmapHolder.valid()) return nullptr;
Romain Guyefb4b062017-02-27 11:00:04 -0800986
987 SkColorSpace* colorSpace = bitmapHolder->info().colorSpace();
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500988 if (colorSpace == nullptr) return nullptr;
Romain Guyefb4b062017-02-27 11:00:04 -0800989
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500990 return GraphicsJNI::getColorSpace(env, colorSpace, bitmapHolder->info().colorType());
Romain Guyefb4b062017-02-27 11:00:04 -0800991}
992
Derek Sollenberger202084c2019-01-14 13:55:08 -0500993static void Bitmap_setColorSpace(JNIEnv* env, jobject, jlong bitmapHandle, jlong colorSpacePtr) {
994 LocalScopedBitmap bitmapHolder(bitmapHandle);
995 sk_sp<SkColorSpace> cs = GraphicsJNI::getNativeColorSpace(colorSpacePtr);
996 bitmapHolder->setColorSpace(cs);
997}
998
Romain Guyefb4b062017-02-27 11:00:04 -0800999///////////////////////////////////////////////////////////////////////////////
1000
Chris Craik32054b02014-05-09 13:58:56 -07001001static jint Bitmap_getPixel(JNIEnv* env, jobject, jlong bitmapHandle,
Leon Scroggins III57ee6202014-06-04 18:51:07 -04001002 jint x, jint y) {
John Reckf29ed282015-04-07 07:32:03 -07001003 SkBitmap bitmap;
sergeyvc1c54062016-10-19 18:47:26 -07001004 reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap);
Chris Craik32054b02014-05-09 13:58:56 -07001005
Brian Osman91c9c282018-08-17 16:57:15 -04001006 auto sRGB = SkColorSpace::MakeSRGB();
1007 SkImageInfo dstInfo = SkImageInfo::Make(
1008 1, 1, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, sRGB);
Chris Craik32054b02014-05-09 13:58:56 -07001009
Brian Osman91c9c282018-08-17 16:57:15 -04001010 SkColor dst;
1011 bitmap.readPixels(dstInfo, &dst, dstInfo.minRowBytes(), x, y);
1012 return static_cast<jint>(dst);
Chris Craik32054b02014-05-09 13:58:56 -07001013}
1014
Leon Scroggins III870053d2019-01-24 08:37:27 -05001015static jlong Bitmap_getColor(JNIEnv* env, jobject, jlong bitmapHandle,
1016 jint x, jint y) {
1017 SkBitmap bitmap;
1018 reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap);
1019
1020 SkImageInfo dstInfo = SkImageInfo::Make(
1021 1, 1, kRGBA_F16_SkColorType, kUnpremul_SkAlphaType, bitmap.refColorSpace());
1022
1023 uint64_t dst;
1024 bitmap.readPixels(dstInfo, &dst, dstInfo.minRowBytes(), x, y);
1025 return static_cast<jlong>(dst);
1026}
1027
Chris Craik32054b02014-05-09 13:58:56 -07001028static void Bitmap_getPixels(JNIEnv* env, jobject, jlong bitmapHandle,
1029 jintArray pixelArray, jint offset, jint stride,
Leon Scroggins III57ee6202014-06-04 18:51:07 -04001030 jint x, jint y, jint width, jint height) {
John Reckf29ed282015-04-07 07:32:03 -07001031 SkBitmap bitmap;
sergeyvc1c54062016-10-19 18:47:26 -07001032 reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap);
Chris Craik32054b02014-05-09 13:58:56 -07001033
Brian Osman91c9c282018-08-17 16:57:15 -04001034 auto sRGB = SkColorSpace::MakeSRGB();
1035 SkImageInfo dstInfo = SkImageInfo::Make(
1036 width, height, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, sRGB);
Chris Craik32054b02014-05-09 13:58:56 -07001037
Chris Craik32054b02014-05-09 13:58:56 -07001038 jint* dst = env->GetIntArrayElements(pixelArray, NULL);
Brian Osman91c9c282018-08-17 16:57:15 -04001039 bitmap.readPixels(dstInfo, dst + offset, stride * 4, x, y);
Chris Craik32054b02014-05-09 13:58:56 -07001040 env->ReleaseIntArrayElements(pixelArray, dst, 0);
1041}
1042
1043///////////////////////////////////////////////////////////////////////////////
1044
1045static void Bitmap_setPixel(JNIEnv* env, jobject, jlong bitmapHandle,
Leon Scroggins III57ee6202014-06-04 18:51:07 -04001046 jint x, jint y, jint colorHandle) {
John Reckf29ed282015-04-07 07:32:03 -07001047 SkBitmap bitmap;
sergeyvc1c54062016-10-19 18:47:26 -07001048 reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap);
Chris Craik32054b02014-05-09 13:58:56 -07001049 SkColor color = static_cast<SkColor>(colorHandle);
Chris Craik32054b02014-05-09 13:58:56 -07001050
Brian Osman91c9c282018-08-17 16:57:15 -04001051 auto sRGB = SkColorSpace::MakeSRGB();
1052 SkImageInfo srcInfo = SkImageInfo::Make(
1053 1, 1, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, sRGB);
1054 SkPixmap srcPM(srcInfo, &color, srcInfo.minRowBytes());
Chris Craik32054b02014-05-09 13:58:56 -07001055
Brian Osman91c9c282018-08-17 16:57:15 -04001056 bitmap.writePixels(srcPM, x, y);
Chris Craik32054b02014-05-09 13:58:56 -07001057}
1058
1059static void Bitmap_setPixels(JNIEnv* env, jobject, jlong bitmapHandle,
1060 jintArray pixelArray, jint offset, jint stride,
Leon Scroggins III57ee6202014-06-04 18:51:07 -04001061 jint x, jint y, jint width, jint height) {
John Reckf29ed282015-04-07 07:32:03 -07001062 SkBitmap bitmap;
sergeyvc1c54062016-10-19 18:47:26 -07001063 reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap);
Chris Craik32054b02014-05-09 13:58:56 -07001064 GraphicsJNI::SetPixels(env, pixelArray, offset, stride,
Brian Osman91c9c282018-08-17 16:57:15 -04001065 x, y, width, height, &bitmap);
Chris Craik32054b02014-05-09 13:58:56 -07001066}
1067
1068static void Bitmap_copyPixelsToBuffer(JNIEnv* env, jobject,
1069 jlong bitmapHandle, jobject jbuffer) {
John Reckf29ed282015-04-07 07:32:03 -07001070 SkBitmap bitmap;
sergeyvc1c54062016-10-19 18:47:26 -07001071 reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap);
John Reckf29ed282015-04-07 07:32:03 -07001072 const void* src = bitmap.getPixels();
Chris Craik32054b02014-05-09 13:58:56 -07001073
1074 if (NULL != src) {
1075 android::AutoBufferPointer abp(env, jbuffer, JNI_TRUE);
1076
1077 // the java side has already checked that buffer is large enough
Mike Reed7569de02017-10-06 16:25:49 -04001078 memcpy(abp.pointer(), src, bitmap.computeByteSize());
Chris Craik32054b02014-05-09 13:58:56 -07001079 }
1080}
1081
1082static void Bitmap_copyPixelsFromBuffer(JNIEnv* env, jobject,
1083 jlong bitmapHandle, jobject jbuffer) {
John Reckf29ed282015-04-07 07:32:03 -07001084 SkBitmap bitmap;
sergeyvc1c54062016-10-19 18:47:26 -07001085 reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap);
John Reckf29ed282015-04-07 07:32:03 -07001086 void* dst = bitmap.getPixels();
Chris Craik32054b02014-05-09 13:58:56 -07001087
1088 if (NULL != dst) {
1089 android::AutoBufferPointer abp(env, jbuffer, JNI_FALSE);
1090 // the java side has already checked that buffer is large enough
Mike Reed7569de02017-10-06 16:25:49 -04001091 memcpy(dst, abp.pointer(), bitmap.computeByteSize());
John Reckf29ed282015-04-07 07:32:03 -07001092 bitmap.notifyPixelsChanged();
Chris Craik32054b02014-05-09 13:58:56 -07001093 }
1094}
1095
Chris Craik795bd0f2016-12-16 15:22:31 -08001096static jboolean Bitmap_sameAs(JNIEnv* env, jobject, jlong bm0Handle, jlong bm1Handle) {
John Reckf29ed282015-04-07 07:32:03 -07001097 SkBitmap bm0;
1098 SkBitmap bm1;
sergeyv1eabed32016-12-14 14:19:47 -08001099
1100 LocalScopedBitmap bitmap0(bm0Handle);
1101 LocalScopedBitmap bitmap1(bm1Handle);
1102
1103 // Paying the price for making Hardware Bitmap as Config:
1104 // later check for colorType will pass successfully,
1105 // because Hardware Config internally may be RGBA8888 or smth like that.
sergeyv15a10852016-12-27 14:32:03 -08001106 if (bitmap0->isHardware() != bitmap1->isHardware()) {
sergeyv1eabed32016-12-14 14:19:47 -08001107 return JNI_FALSE;
1108 }
1109
1110 bitmap0->bitmap().getSkBitmap(&bm0);
1111 bitmap1->bitmap().getSkBitmap(&bm1);
Chris Craik795bd0f2016-12-16 15:22:31 -08001112 if (bm0.width() != bm1.width()
1113 || bm0.height() != bm1.height()
1114 || bm0.colorType() != bm1.colorType()
1115 || bm0.alphaType() != bm1.alphaType()
1116 || !SkColorSpace::Equals(bm0.colorSpace(), bm1.colorSpace())) {
Chris Craik32054b02014-05-09 13:58:56 -07001117 return JNI_FALSE;
1118 }
1119
Chris Craik32054b02014-05-09 13:58:56 -07001120 // if we can't load the pixels, return false
John Reckf29ed282015-04-07 07:32:03 -07001121 if (NULL == bm0.getPixels() || NULL == bm1.getPixels()) {
Chris Craik32054b02014-05-09 13:58:56 -07001122 return JNI_FALSE;
1123 }
1124
Chris Craik32054b02014-05-09 13:58:56 -07001125 // now compare each scanline. We can't do the entire buffer at once,
1126 // since we don't care about the pixel values that might extend beyond
1127 // the width (since the scanline might be larger than the logical width)
John Reckf29ed282015-04-07 07:32:03 -07001128 const int h = bm0.height();
1129 const size_t size = bm0.width() * bm0.bytesPerPixel();
Chris Craik32054b02014-05-09 13:58:56 -07001130 for (int y = 0; y < h; y++) {
henry.uh_chen53001ca2014-07-03 20:40:22 +08001131 // SkBitmap::getAddr(int, int) may return NULL due to unrecognized config
1132 // (ex: kRLE_Index8_Config). This will cause memcmp method to crash. Since bm0
1133 // and bm1 both have pixel data() (have passed NULL == getPixels() check),
1134 // those 2 bitmaps should be valid (only unrecognized), we return JNI_FALSE
1135 // to warn user those 2 unrecognized config bitmaps may be different.
John Reckf29ed282015-04-07 07:32:03 -07001136 void *bm0Addr = bm0.getAddr(0, y);
1137 void *bm1Addr = bm1.getAddr(0, y);
henry.uh_chen53001ca2014-07-03 20:40:22 +08001138
1139 if(bm0Addr == NULL || bm1Addr == NULL) {
1140 return JNI_FALSE;
1141 }
1142
1143 if (memcmp(bm0Addr, bm1Addr, size) != 0) {
Chris Craik32054b02014-05-09 13:58:56 -07001144 return JNI_FALSE;
1145 }
1146 }
1147 return JNI_TRUE;
1148}
1149
John Reck43871902016-08-01 14:39:24 -07001150static void Bitmap_prepareToDraw(JNIEnv* env, jobject, jlong bitmapPtr) {
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +01001151#ifdef __ANDROID__ // Layoutlib does not support render thread
John Reck43871902016-08-01 14:39:24 -07001152 LocalScopedBitmap bitmapHandle(bitmapPtr);
1153 if (!bitmapHandle.valid()) return;
sergeyvec4a4b12016-10-20 18:39:04 -07001154 android::uirenderer::renderthread::RenderProxy::prepareToDraw(bitmapHandle->bitmap());
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +01001155#endif
John Reck43871902016-08-01 14:39:24 -07001156}
1157
sergeyv45082182016-09-29 18:25:40 -07001158static jint Bitmap_getAllocationByteCount(JNIEnv* env, jobject, jlong bitmapPtr) {
1159 LocalScopedBitmap bitmapHandle(bitmapPtr);
1160 return static_cast<jint>(bitmapHandle->getAllocationByteCount());
1161}
1162
sergeyv6e3658a2017-01-04 16:57:51 -08001163static jobject Bitmap_copyPreserveInternalConfig(JNIEnv* env, jobject, jlong bitmapPtr) {
sergeyv81f97ee2016-12-27 18:08:01 -08001164 LocalScopedBitmap bitmapHandle(bitmapPtr);
1165 LOG_ALWAYS_FATAL_IF(!bitmapHandle->isHardware(),
1166 "Hardware config is only supported config in Bitmap_nativeCopyPreserveInternalConfig");
1167 Bitmap& hwuiBitmap = bitmapHandle->bitmap();
1168 SkBitmap src;
1169 hwuiBitmap.getSkBitmap(&src);
1170
Derek Sollenbergere2169482018-11-20 10:57:20 -05001171 if (src.pixelRef() == nullptr) {
sergeyv81f97ee2016-12-27 18:08:01 -08001172 doThrowRE(env, "Could not copy a hardware bitmap.");
1173 return NULL;
1174 }
Derek Sollenbergere2169482018-11-20 10:57:20 -05001175
1176 sk_sp<Bitmap> bitmap = Bitmap::createFrom(src.info(), *src.pixelRef());
1177 return createBitmap(env, bitmap.release(), getPremulBitmapCreateFlags(false));
sergeyv81f97ee2016-12-27 18:08:01 -08001178}
1179
Leon Scroggins III898ce752020-02-18 12:22:17 -05001180#ifdef __ANDROID__ // Layoutlib does not support graphic buffer
1181typedef AHardwareBuffer* (*AHB_from_HB)(JNIEnv*, jobject);
1182AHB_from_HB AHardwareBuffer_fromHardwareBuffer;
Leon Scroggins III5a190b12020-02-18 13:52:18 -05001183
1184typedef jobject (*AHB_to_HB)(JNIEnv*, AHardwareBuffer*);
1185AHB_to_HB AHardwareBuffer_toHardwareBuffer;
Leon Scroggins III898ce752020-02-18 12:22:17 -05001186#endif
1187
rennb2e9f522018-09-26 10:49:00 -07001188static jobject Bitmap_wrapHardwareBufferBitmap(JNIEnv* env, jobject, jobject hardwareBuffer,
Leon Scroggins III0e443d12018-12-19 11:38:35 -05001189 jlong colorSpacePtr) {
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +01001190#ifdef __ANDROID__ // Layoutlib does not support graphic buffer
Leon Scroggins III898ce752020-02-18 12:22:17 -05001191 AHardwareBuffer* buffer = AHardwareBuffer_fromHardwareBuffer(env, hardwareBuffer);
Derek Sollenbergere78f7c92019-07-31 15:18:47 -04001192 sk_sp<Bitmap> bitmap = Bitmap::createFrom(buffer,
1193 GraphicsJNI::getNativeColorSpace(colorSpacePtr));
rennb2e9f522018-09-26 10:49:00 -07001194 if (!bitmap.get()) {
1195 ALOGW("failed to create hardware bitmap from hardware buffer");
1196 return NULL;
1197 }
1198 return bitmap::createBitmap(env, bitmap.release(), getPremulBitmapCreateFlags(false));
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +01001199#else
1200 return NULL;
1201#endif
rennb2e9f522018-09-26 10:49:00 -07001202}
1203
Leon Scroggins III5a190b12020-02-18 13:52:18 -05001204static jobject Bitmap_getHardwareBuffer(JNIEnv* env, jobject, jlong bitmapPtr) {
1205#ifdef __ANDROID__ // Layoutlib does not support graphic buffer
1206 LocalScopedBitmap bitmapHandle(bitmapPtr);
Leon Scroggins IIIa72a7ff2020-02-28 15:41:56 -05001207 if (!bitmapHandle->isHardware()) {
1208 jniThrowException(env, "java/lang/IllegalStateException",
Leon Scroggins III5a190b12020-02-18 13:52:18 -05001209 "Hardware config is only supported config in Bitmap_getHardwareBuffer");
Leon Scroggins IIIa72a7ff2020-02-28 15:41:56 -05001210 return nullptr;
1211 }
Leon Scroggins III5a190b12020-02-18 13:52:18 -05001212
1213 Bitmap& bitmap = bitmapHandle->bitmap();
1214 return AHardwareBuffer_toHardwareBuffer(env, bitmap.hardwareBuffer());
1215#else
Leon Scroggins IIIa72a7ff2020-02-28 15:41:56 -05001216 return nullptr;
Leon Scroggins III5a190b12020-02-18 13:52:18 -05001217#endif
1218}
1219
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +01001220static jboolean Bitmap_isImmutable(CRITICAL_JNI_PARAMS_COMMA jlong bitmapHandle) {
Nader Jawade7b51292018-04-12 17:55:31 -07001221 LocalScopedBitmap bitmapHolder(bitmapHandle);
1222 if (!bitmapHolder.valid()) return JNI_FALSE;
1223
1224 return bitmapHolder->bitmap().isImmutable() ? JNI_TRUE : JNI_FALSE;
1225}
1226
Leon Scroggins III3eb98432020-03-11 15:38:12 -04001227static jboolean Bitmap_isBackedByAshmem(CRITICAL_JNI_PARAMS_COMMA jlong bitmapHandle) {
1228 LocalScopedBitmap bitmapHolder(bitmapHandle);
1229 if (!bitmapHolder.valid()) return JNI_FALSE;
1230
1231 return bitmapHolder->bitmap().pixelStorageType() == PixelStorageType::Ashmem ? JNI_TRUE
1232 : JNI_FALSE;
1233}
1234
Nader Jawade7b51292018-04-12 17:55:31 -07001235static void Bitmap_setImmutable(JNIEnv* env, jobject, jlong bitmapHandle) {
1236 LocalScopedBitmap bitmapHolder(bitmapHandle);
1237 if (!bitmapHolder.valid()) return;
1238
1239 return bitmapHolder->bitmap().setImmutable();
1240}
1241
Chris Craik32054b02014-05-09 13:58:56 -07001242///////////////////////////////////////////////////////////////////////////////
1243
Daniel Micay76f6a862015-09-19 17:31:01 -04001244static const JNINativeMethod gBitmapMethods[] = {
Leon Scroggins III0e443d12018-12-19 11:38:35 -05001245 { "nativeCreate", "([IIIIIIZJ)Landroid/graphics/Bitmap;",
Chris Craik32054b02014-05-09 13:58:56 -07001246 (void*)Bitmap_creator },
1247 { "nativeCopy", "(JIZ)Landroid/graphics/Bitmap;",
1248 (void*)Bitmap_copy },
Riley Andrews721ae5f2015-05-11 16:08:22 -07001249 { "nativeCopyAshmem", "(J)Landroid/graphics/Bitmap;",
1250 (void*)Bitmap_copyAshmem },
Winsona5fdde92016-04-14 15:27:15 -07001251 { "nativeCopyAshmemConfig", "(JI)Landroid/graphics/Bitmap;",
1252 (void*)Bitmap_copyAshmemConfig },
Richard Uhler775873a2015-12-29 12:37:39 -08001253 { "nativeGetNativeFinalizer", "()J", (void*)Bitmap_getNativeFinalizer },
Leon Scroggins IIIf8adae12018-05-24 15:25:08 -04001254 { "nativeRecycle", "(J)V", (void*)Bitmap_recycle },
sergeyv45082182016-09-29 18:25:40 -07001255 { "nativeReconfigure", "(JIIIZ)V", (void*)Bitmap_reconfigure },
Chris Craik32054b02014-05-09 13:58:56 -07001256 { "nativeCompress", "(JIILjava/io/OutputStream;[B)Z",
1257 (void*)Bitmap_compress },
1258 { "nativeErase", "(JI)V", (void*)Bitmap_erase },
Leon Scroggins III94ba1002019-01-17 13:34:51 -05001259 { "nativeErase", "(JJJ)V", (void*)Bitmap_eraseLong },
Chris Craik32054b02014-05-09 13:58:56 -07001260 { "nativeRowBytes", "(J)I", (void*)Bitmap_rowBytes },
1261 { "nativeConfig", "(J)I", (void*)Bitmap_config },
1262 { "nativeHasAlpha", "(J)Z", (void*)Bitmap_hasAlpha },
Leon Scroggins III57ee6202014-06-04 18:51:07 -04001263 { "nativeIsPremultiplied", "(J)Z", (void*)Bitmap_isPremultiplied},
1264 { "nativeSetHasAlpha", "(JZZ)V", (void*)Bitmap_setHasAlpha},
1265 { "nativeSetPremultiplied", "(JZ)V", (void*)Bitmap_setPremultiplied},
Chris Craik32054b02014-05-09 13:58:56 -07001266 { "nativeHasMipMap", "(J)Z", (void*)Bitmap_hasMipMap },
1267 { "nativeSetHasMipMap", "(JZ)V", (void*)Bitmap_setHasMipMap },
1268 { "nativeCreateFromParcel",
1269 "(Landroid/os/Parcel;)Landroid/graphics/Bitmap;",
1270 (void*)Bitmap_createFromParcel },
John Reckefac0522020-01-24 16:04:26 -08001271 { "nativeWriteToParcel", "(JILandroid/os/Parcel;)Z",
Chris Craik32054b02014-05-09 13:58:56 -07001272 (void*)Bitmap_writeToParcel },
1273 { "nativeExtractAlpha", "(JJ[I)Landroid/graphics/Bitmap;",
1274 (void*)Bitmap_extractAlpha },
1275 { "nativeGenerationId", "(J)I", (void*)Bitmap_getGenerationId },
Leon Scroggins III57ee6202014-06-04 18:51:07 -04001276 { "nativeGetPixel", "(JII)I", (void*)Bitmap_getPixel },
Leon Scroggins III870053d2019-01-24 08:37:27 -05001277 { "nativeGetColor", "(JII)J", (void*)Bitmap_getColor },
Leon Scroggins III57ee6202014-06-04 18:51:07 -04001278 { "nativeGetPixels", "(J[IIIIIII)V", (void*)Bitmap_getPixels },
1279 { "nativeSetPixel", "(JIII)V", (void*)Bitmap_setPixel },
1280 { "nativeSetPixels", "(J[IIIIIII)V", (void*)Bitmap_setPixels },
Chris Craik32054b02014-05-09 13:58:56 -07001281 { "nativeCopyPixelsToBuffer", "(JLjava/nio/Buffer;)V",
1282 (void*)Bitmap_copyPixelsToBuffer },
1283 { "nativeCopyPixelsFromBuffer", "(JLjava/nio/Buffer;)V",
1284 (void*)Bitmap_copyPixelsFromBuffer },
1285 { "nativeSameAs", "(JJ)Z", (void*)Bitmap_sameAs },
John Reck43871902016-08-01 14:39:24 -07001286 { "nativePrepareToDraw", "(J)V", (void*)Bitmap_prepareToDraw },
sergeyv45082182016-09-29 18:25:40 -07001287 { "nativeGetAllocationByteCount", "(J)I", (void*)Bitmap_getAllocationByteCount },
sergeyv81f97ee2016-12-27 18:08:01 -08001288 { "nativeCopyPreserveInternalConfig", "(J)Landroid/graphics/Bitmap;",
sergeyv6e3658a2017-01-04 16:57:51 -08001289 (void*)Bitmap_copyPreserveInternalConfig },
Leon Scroggins III0e443d12018-12-19 11:38:35 -05001290 { "nativeWrapHardwareBufferBitmap", "(Landroid/hardware/HardwareBuffer;J)Landroid/graphics/Bitmap;",
rennb2e9f522018-09-26 10:49:00 -07001291 (void*) Bitmap_wrapHardwareBufferBitmap },
Leon Scroggins III5a190b12020-02-18 13:52:18 -05001292 { "nativeGetHardwareBuffer", "(J)Landroid/hardware/HardwareBuffer;",
1293 (void*) Bitmap_getHardwareBuffer },
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -05001294 { "nativeComputeColorSpace", "(J)Landroid/graphics/ColorSpace;", (void*)Bitmap_computeColorSpace },
Derek Sollenberger202084c2019-01-14 13:55:08 -05001295 { "nativeSetColorSpace", "(JJ)V", (void*)Bitmap_setColorSpace },
Romain Guyefb4b062017-02-27 11:00:04 -08001296 { "nativeIsSRGB", "(J)Z", (void*)Bitmap_isSRGB },
Leon Scroggins IIIce89a6e2018-03-13 15:39:39 -04001297 { "nativeIsSRGBLinear", "(J)Z", (void*)Bitmap_isSRGBLinear},
Nader Jawade7b51292018-04-12 17:55:31 -07001298 { "nativeSetImmutable", "(J)V", (void*)Bitmap_setImmutable},
1299
1300 // ------------ @CriticalNative ----------------
Leon Scroggins III3eb98432020-03-11 15:38:12 -04001301 { "nativeIsImmutable", "(J)Z", (void*)Bitmap_isImmutable},
1302 { "nativeIsBackedByAshmem", "(J)Z", (void*)Bitmap_isBackedByAshmem}
Nader Jawade7b51292018-04-12 17:55:31 -07001303
Chris Craik32054b02014-05-09 13:58:56 -07001304};
1305
Chris Craik32054b02014-05-09 13:58:56 -07001306int register_android_graphics_Bitmap(JNIEnv* env)
1307{
Romain Guy95648b82017-04-13 18:43:42 -07001308 gBitmap_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/Bitmap"));
1309 gBitmap_nativePtr = GetFieldIDOrDie(env, gBitmap_class, "mNativePtr", "J");
Leon Scroggins IIIbbdb7312019-01-31 14:35:54 -05001310 gBitmap_constructorMethodID = GetMethodIDOrDie(env, gBitmap_class, "<init>", "(JIIIZ[BLandroid/graphics/NinePatch$InsetStruct;Z)V");
Romain Guy95648b82017-04-13 18:43:42 -07001311 gBitmap_reinitMethodID = GetMethodIDOrDie(env, gBitmap_class, "reinit", "(IIZ)V");
Leon Scroggins III898ce752020-02-18 12:22:17 -05001312
Derek Sollenberger42c50042020-02-18 14:51:17 -05001313#ifdef __ANDROID__ // Layoutlib does not support graphic buffer or parcel
Leon Scroggins III898ce752020-02-18 12:22:17 -05001314 void* handle_ = dlopen("libandroid.so", RTLD_NOW | RTLD_NODELETE);
1315 AHardwareBuffer_fromHardwareBuffer =
1316 (AHB_from_HB)dlsym(handle_, "AHardwareBuffer_fromHardwareBuffer");
1317 LOG_ALWAYS_FATAL_IF(AHardwareBuffer_fromHardwareBuffer == nullptr,
1318 "Failed to find required symbol AHardwareBuffer_fromHardwareBuffer!");
Leon Scroggins III5a190b12020-02-18 13:52:18 -05001319
1320 AHardwareBuffer_toHardwareBuffer = (AHB_to_HB)dlsym(handle_, "AHardwareBuffer_toHardwareBuffer");
1321 LOG_ALWAYS_FATAL_IF(AHardwareBuffer_toHardwareBuffer == nullptr,
1322 " Failed to find required symbol AHardwareBuffer_toHardwareBuffer!");
Leon Scroggins III898ce752020-02-18 12:22:17 -05001323#endif
Andreas Gampeed6b9df2014-11-20 22:02:20 -08001324 return android::RegisterMethodsOrDie(env, "android/graphics/Bitmap", gBitmapMethods,
1325 NELEM(gBitmapMethods));
John Reck9192d5e2016-10-31 10:32:09 -07001326}