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Sally Qide6041b2023-02-01 23:43:09 -08001// #define LOG_NDEBUG 0
John Reckf29ed282015-04-07 07:32:03 -07002#include "Bitmap.h"
3
Jerome Gaillard8ab756d2024-04-02 17:38:20 +01004#include <android-base/unique_fd.h>
Nader Jawada3521852023-01-30 20:23:46 -08005#include <hwui/Bitmap.h>
6#include <hwui/Paint.h>
Jerome Gaillard8ab756d2024-04-02 17:38:20 +01007#include <inttypes.h>
8#include <renderthread/RenderProxy.h>
9#include <string.h>
10
11#include <memory>
Nader Jawada3521852023-01-30 20:23:46 -080012
13#include "CreateJavaOutputStreamAdaptor.h"
John Reck5bd537e2023-01-24 20:13:45 -050014#include "Gainmap.h"
Kevin Lubick1175dc02022-02-28 12:41:27 -050015#include "GraphicsJNI.h"
Nader Jawada3521852023-01-30 20:23:46 -080016#include "HardwareBufferHelpers.h"
Sally Qi9d2d9342023-02-06 11:11:31 -080017#include "ScopedParcel.h"
Chris Craik32054b02014-05-09 13:58:56 -070018#include "SkBitmap.h"
Kevin Lubick1175dc02022-02-28 12:41:27 -050019#include "SkBlendMode.h"
John Reckbe671952021-01-13 22:39:32 -050020#include "SkCanvas.h"
21#include "SkColor.h"
22#include "SkColorSpace.h"
Kevin Lubick1175dc02022-02-28 12:41:27 -050023#include "SkData.h"
Leon Scroggins III57ee6202014-06-04 18:51:07 -040024#include "SkImageInfo.h"
Kevin Lubick1175dc02022-02-28 12:41:27 -050025#include "SkPaint.h"
Kevin Lubick1175dc02022-02-28 12:41:27 -050026#include "SkPixmap.h"
27#include "SkPoint.h"
28#include "SkRefCnt.h"
Chris Craik32054b02014-05-09 13:58:56 -070029#include "SkStream.h"
Kevin Lubick1175dc02022-02-28 12:41:27 -050030#include "SkTypes.h"
Chris Craik32054b02014-05-09 13:58:56 -070031#include "android_nio_utils.h"
Chris Craik32054b02014-05-09 13:58:56 -070032
Jeff Browna316c5d2015-06-05 15:14:06 -070033#define DEBUG_PARCEL 0
34
sergeyvc69853c2016-10-07 14:14:09 -070035static jclass gBitmap_class;
36static jfieldID gBitmap_nativePtr;
37static jmethodID gBitmap_constructorMethodID;
38static jmethodID gBitmap_reinitMethodID;
sergeyvc69853c2016-10-07 14:14:09 -070039
John Reckf29ed282015-04-07 07:32:03 -070040namespace android {
41
John Reck5bd537e2023-01-24 20:13:45 -050042jobject Gainmap_extractFromBitmap(JNIEnv* env, const Bitmap& bitmap);
43
sergeyvc1c54062016-10-19 18:47:26 -070044class BitmapWrapper {
John Reckf29ed282015-04-07 07:32:03 -070045public:
Chih-Hung Hsieh0727be12018-12-20 13:43:46 -080046 explicit BitmapWrapper(Bitmap* bitmap)
sergeyvc1c54062016-10-19 18:47:26 -070047 : mBitmap(bitmap) { }
sergeyvc69853c2016-10-07 14:14:09 -070048
49 void freePixels() {
sergeyvc1c54062016-10-19 18:47:26 -070050 mInfo = mBitmap->info();
51 mHasHardwareMipMap = mBitmap->hasHardwareMipMap();
52 mAllocationSize = mBitmap->getAllocationByteCount();
53 mRowBytes = mBitmap->rowBytes();
54 mGenerationId = mBitmap->getGenerationID();
sergeyv15a10852016-12-27 14:32:03 -080055 mIsHardware = mBitmap->isHardware();
sergeyvc1c54062016-10-19 18:47:26 -070056 mBitmap.reset();
John Reckf29ed282015-04-07 07:32:03 -070057 }
58
sergeyvc69853c2016-10-07 14:14:09 -070059 bool valid() {
Ben Wagner6b62ac02018-05-29 14:16:02 -040060 return mBitmap != nullptr;
John Reckf29ed282015-04-07 07:32:03 -070061 }
62
sergeyvaed7f582016-10-14 16:30:21 -070063 Bitmap& bitmap() {
64 assertValid();
65 return *mBitmap;
66 }
sergeyvc69853c2016-10-07 14:14:09 -070067
68 void assertValid() {
69 LOG_ALWAYS_FATAL_IF(!valid(), "Error, cannot access an invalid/free'd bitmap here!");
70 }
71
72 void getSkBitmap(SkBitmap* outBitmap) {
73 assertValid();
sergeyvc1c54062016-10-19 18:47:26 -070074 mBitmap->getSkBitmap(outBitmap);
sergeyvc69853c2016-10-07 14:14:09 -070075 }
76
77 bool hasHardwareMipMap() {
sergeyvc1c54062016-10-19 18:47:26 -070078 if (mBitmap) {
79 return mBitmap->hasHardwareMipMap();
John Reckf29ed282015-04-07 07:32:03 -070080 }
John Reckf29ed282015-04-07 07:32:03 -070081 return mHasHardwareMipMap;
82 }
83
84 void setHasHardwareMipMap(bool hasMipMap) {
sergeyvc69853c2016-10-07 14:14:09 -070085 assertValid();
sergeyvc1c54062016-10-19 18:47:26 -070086 mBitmap->setHasHardwareMipMap(hasMipMap);
John Reckf29ed282015-04-07 07:32:03 -070087 }
88
sergeyvc69853c2016-10-07 14:14:09 -070089 void setAlphaType(SkAlphaType alphaType) {
90 assertValid();
sergeyvc1c54062016-10-19 18:47:26 -070091 mBitmap->setAlphaType(alphaType);
John Reckf29ed282015-04-07 07:32:03 -070092 }
93
Derek Sollenberger202084c2019-01-14 13:55:08 -050094 void setColorSpace(sk_sp<SkColorSpace> colorSpace) {
95 assertValid();
96 mBitmap->setColorSpace(colorSpace);
97 }
98
sergeyvc69853c2016-10-07 14:14:09 -070099 const SkImageInfo& info() {
sergeyvc1c54062016-10-19 18:47:26 -0700100 if (mBitmap) {
101 return mBitmap->info();
sergeyvc69853c2016-10-07 14:14:09 -0700102 }
103 return mInfo;
John Reckf29ed282015-04-07 07:32:03 -0700104 }
105
sergeyvc69853c2016-10-07 14:14:09 -0700106 size_t getAllocationByteCount() const {
sergeyvc1c54062016-10-19 18:47:26 -0700107 if (mBitmap) {
108 return mBitmap->getAllocationByteCount();
sergeyvc69853c2016-10-07 14:14:09 -0700109 }
110 return mAllocationSize;
John Reckf29ed282015-04-07 07:32:03 -0700111 }
112
sergeyvc69853c2016-10-07 14:14:09 -0700113 size_t rowBytes() const {
sergeyvc1c54062016-10-19 18:47:26 -0700114 if (mBitmap) {
115 return mBitmap->rowBytes();
sergeyvc69853c2016-10-07 14:14:09 -0700116 }
117 return mRowBytes;
118 }
119
120 uint32_t getGenerationID() const {
sergeyvc1c54062016-10-19 18:47:26 -0700121 if (mBitmap) {
122 return mBitmap->getGenerationID();
sergeyvc69853c2016-10-07 14:14:09 -0700123 }
124 return mGenerationId;
125 }
126
sergeyv15a10852016-12-27 14:32:03 -0800127 bool isHardware() {
128 if (mBitmap) {
129 return mBitmap->isHardware();
130 }
131 return mIsHardware;
132 }
133
sergeyvc1c54062016-10-19 18:47:26 -0700134 ~BitmapWrapper() { }
sergeyvc69853c2016-10-07 14:14:09 -0700135
John Reckf29ed282015-04-07 07:32:03 -0700136private:
sergeyvc1c54062016-10-19 18:47:26 -0700137 sk_sp<Bitmap> mBitmap;
sergeyvc69853c2016-10-07 14:14:09 -0700138 SkImageInfo mInfo;
139 bool mHasHardwareMipMap;
140 size_t mAllocationSize;
141 size_t mRowBytes;
142 uint32_t mGenerationId;
sergeyv15a10852016-12-27 14:32:03 -0800143 bool mIsHardware;
John Reckf29ed282015-04-07 07:32:03 -0700144};
145
John Reckf29ed282015-04-07 07:32:03 -0700146// Convenience class that does not take a global ref on the pixels, relying
147// on the caller already having a local JNI ref
148class LocalScopedBitmap {
149public:
Chih-Hung Hsiehc6baf562016-04-27 11:29:23 -0700150 explicit LocalScopedBitmap(jlong bitmapHandle)
sergeyvc1c54062016-10-19 18:47:26 -0700151 : mBitmapWrapper(reinterpret_cast<BitmapWrapper*>(bitmapHandle)) {}
John Reckf29ed282015-04-07 07:32:03 -0700152
sergeyvc1c54062016-10-19 18:47:26 -0700153 BitmapWrapper* operator->() {
154 return mBitmapWrapper;
John Reckf29ed282015-04-07 07:32:03 -0700155 }
156
157 void* pixels() {
sergeyvaed7f582016-10-14 16:30:21 -0700158 return mBitmapWrapper->bitmap().pixels();
John Reckf29ed282015-04-07 07:32:03 -0700159 }
160
161 bool valid() {
sergeyvc1c54062016-10-19 18:47:26 -0700162 return mBitmapWrapper && mBitmapWrapper->valid();
John Reckf29ed282015-04-07 07:32:03 -0700163 }
164
165private:
sergeyvc1c54062016-10-19 18:47:26 -0700166 BitmapWrapper* mBitmapWrapper;
John Reckf29ed282015-04-07 07:32:03 -0700167};
168
sergeyvc69853c2016-10-07 14:14:09 -0700169namespace bitmap {
170
171// Assert that bitmap's SkAlphaType is consistent with isPremultiplied.
172static void assert_premultiplied(const SkImageInfo& info, bool isPremultiplied) {
173 // kOpaque_SkAlphaType and kIgnore_SkAlphaType mean that isPremultiplied is
174 // irrelevant. This just tests to ensure that the SkAlphaType is not
175 // opposite of isPremultiplied.
176 if (isPremultiplied) {
177 SkASSERT(info.alphaType() != kUnpremul_SkAlphaType);
178 } else {
179 SkASSERT(info.alphaType() != kPremul_SkAlphaType);
180 }
181}
182
183void reinitBitmap(JNIEnv* env, jobject javaBitmap, const SkImageInfo& info,
184 bool isPremultiplied)
185{
186 // The caller needs to have already set the alpha type properly, so the
187 // native SkBitmap stays in sync with the Java Bitmap.
188 assert_premultiplied(info, isPremultiplied);
189
190 env->CallVoidMethod(javaBitmap, gBitmap_reinitMethodID,
191 info.width(), info.height(), isPremultiplied);
192}
193
sergeyvc1c54062016-10-19 18:47:26 -0700194jobject createBitmap(JNIEnv* env, Bitmap* bitmap,
sergeyvc69853c2016-10-07 14:14:09 -0700195 int bitmapCreateFlags, jbyteArray ninePatchChunk, jobject ninePatchInsets,
196 int density) {
197 bool isMutable = bitmapCreateFlags & kBitmapCreateFlag_Mutable;
198 bool isPremultiplied = bitmapCreateFlags & kBitmapCreateFlag_Premultiplied;
199 // The caller needs to have already set the alpha type properly, so the
200 // native SkBitmap stays in sync with the Java Bitmap.
sergeyvc1c54062016-10-19 18:47:26 -0700201 assert_premultiplied(bitmap->info(), isPremultiplied);
Leon Scroggins IIIbbdb7312019-01-31 14:35:54 -0500202 bool fromMalloc = bitmap->pixelStorageType() == PixelStorageType::Heap;
sergeyvc1c54062016-10-19 18:47:26 -0700203 BitmapWrapper* bitmapWrapper = new BitmapWrapper(bitmap);
Nader Jawade7b51292018-04-12 17:55:31 -0700204 if (!isMutable) {
205 bitmapWrapper->bitmap().setImmutable();
206 }
sergeyvc69853c2016-10-07 14:14:09 -0700207 jobject obj = env->NewObject(gBitmap_class, gBitmap_constructorMethodID,
sergeyvc1c54062016-10-19 18:47:26 -0700208 reinterpret_cast<jlong>(bitmapWrapper), bitmap->width(), bitmap->height(), density,
Leon Scroggins IIIbbdb7312019-01-31 14:35:54 -0500209 isPremultiplied, ninePatchChunk, ninePatchInsets, fromMalloc);
sergeyvc69853c2016-10-07 14:14:09 -0700210
211 if (env->ExceptionCheck() != 0) {
212 ALOGE("*** Uncaught exception returned from Java call!\n");
213 env->ExceptionDescribe();
214 }
215 return obj;
216}
217
218void toSkBitmap(jlong bitmapHandle, SkBitmap* outBitmap) {
219 LocalScopedBitmap bitmap(bitmapHandle);
220 bitmap->getSkBitmap(outBitmap);
221}
222
Leon Scroggins III71fae622019-03-26 16:28:41 -0400223Bitmap& toBitmap(jlong bitmapHandle) {
sergeyv5fd2a1c2016-10-20 15:04:28 -0700224 LocalScopedBitmap localBitmap(bitmapHandle);
225 return localBitmap->bitmap();
226}
227
sergeyvc69853c2016-10-07 14:14:09 -0700228} // namespace bitmap
229
230} // namespace android
231
232using namespace android;
233using namespace android::bitmap;
234
Derek Sollenberger6c41ab12019-11-08 08:50:58 -0500235Bitmap* GraphicsJNI::getNativeBitmap(JNIEnv* env, jobject bitmap) {
236 SkASSERT(env);
237 SkASSERT(bitmap);
238 SkASSERT(env->IsInstanceOf(bitmap, gBitmap_class));
239 jlong bitmapHandle = env->GetLongField(bitmap, gBitmap_nativePtr);
240 LocalScopedBitmap localBitmap(bitmapHandle);
241 return localBitmap.valid() ? &localBitmap->bitmap() : nullptr;
242}
243
Leon Scroggins III84a2afc2020-01-19 19:27:16 -0500244SkImageInfo GraphicsJNI::getBitmapInfo(JNIEnv* env, jobject bitmap, uint32_t* outRowBytes,
245 bool* isHardware) {
Derek Sollenberger6c41ab12019-11-08 08:50:58 -0500246 SkASSERT(env);
247 SkASSERT(bitmap);
248 SkASSERT(env->IsInstanceOf(bitmap, gBitmap_class));
249 jlong bitmapHandle = env->GetLongField(bitmap, gBitmap_nativePtr);
250 LocalScopedBitmap localBitmap(bitmapHandle);
251 if (outRowBytes) {
252 *outRowBytes = localBitmap->rowBytes();
253 }
Leon Scroggins III84a2afc2020-01-19 19:27:16 -0500254 if (isHardware) {
255 *isHardware = localBitmap->isHardware();
256 }
Derek Sollenberger6c41ab12019-11-08 08:50:58 -0500257 return localBitmap->info();
258}
259
Chris Craik32054b02014-05-09 13:58:56 -0700260bool GraphicsJNI::SetPixels(JNIEnv* env, jintArray srcColors, int srcOffset, int srcStride,
Brian Osman91c9c282018-08-17 16:57:15 -0400261 int x, int y, int width, int height, SkBitmap* dstBitmap) {
Chris Craik32054b02014-05-09 13:58:56 -0700262 const jint* array = env->GetIntArrayElements(srcColors, NULL);
263 const SkColor* src = (const SkColor*)array + srcOffset;
264
Brian Osman91c9c282018-08-17 16:57:15 -0400265 auto sRGB = SkColorSpace::MakeSRGB();
266 SkImageInfo srcInfo = SkImageInfo::Make(
267 width, height, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, sRGB);
268 SkPixmap srcPM(srcInfo, src, srcStride * 4);
Romain Guyce217fa2017-03-08 15:58:06 -0800269
Brian Osman91c9c282018-08-17 16:57:15 -0400270 dstBitmap->writePixels(srcPM, x, y);
Chris Craik32054b02014-05-09 13:58:56 -0700271
Romain Guy9505a652016-12-14 09:43:50 -0800272 env->ReleaseIntArrayElements(srcColors, const_cast<jint*>(array), JNI_ABORT);
Chris Craik32054b02014-05-09 13:58:56 -0700273 return true;
274}
275
Chris Craik32054b02014-05-09 13:58:56 -0700276///////////////////////////////////////////////////////////////////////////////
277///////////////////////////////////////////////////////////////////////////////
278
279static int getPremulBitmapCreateFlags(bool isMutable) {
sergeyvc69853c2016-10-07 14:14:09 -0700280 int flags = android::bitmap::kBitmapCreateFlag_Premultiplied;
281 if (isMutable) flags |= android::bitmap::kBitmapCreateFlag_Mutable;
Chris Craik32054b02014-05-09 13:58:56 -0700282 return flags;
283}
284
285static jobject Bitmap_creator(JNIEnv* env, jobject, jintArray jColors,
286 jint offset, jint stride, jint width, jint height,
Romain Guy82426562017-04-04 19:38:50 -0700287 jint configHandle, jboolean isMutable,
Leon Scroggins III0e443d12018-12-19 11:38:35 -0500288 jlong colorSpacePtr) {
Mike Reed1103b322014-07-08 12:36:44 -0400289 SkColorType colorType = GraphicsJNI::legacyBitmapConfigToColorType(configHandle);
Chris Craik32054b02014-05-09 13:58:56 -0700290 if (NULL != jColors) {
291 size_t n = env->GetArrayLength(jColors);
292 if (n < SkAbs32(stride) * (size_t)height) {
293 doThrowAIOOBE(env);
294 return NULL;
295 }
296 }
297
298 // ARGB_4444 is a deprecated format, convert automatically to 8888
Mike Reedb9330552014-06-16 17:31:48 -0400299 if (colorType == kARGB_4444_SkColorType) {
300 colorType = kN32_SkColorType;
Chris Craik32054b02014-05-09 13:58:56 -0700301 }
302
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500303 sk_sp<SkColorSpace> colorSpace;
304 if (colorType == kAlpha_8_SkColorType) {
305 colorSpace = nullptr;
306 } else {
307 colorSpace = GraphicsJNI::getNativeColorSpace(colorSpacePtr);
308 }
309
Chris Craik32054b02014-05-09 13:58:56 -0700310 SkBitmap bitmap;
Leon Scroggins III0e443d12018-12-19 11:38:35 -0500311 bitmap.setInfo(SkImageInfo::Make(width, height, colorType, kPremul_SkAlphaType,
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500312 colorSpace));
Chris Craik32054b02014-05-09 13:58:56 -0700313
Leon Scroggins IIIf51a80d2017-07-12 10:46:35 -0400314 sk_sp<Bitmap> nativeBitmap = Bitmap::allocateHeapBitmap(&bitmap);
John Reckf29ed282015-04-07 07:32:03 -0700315 if (!nativeBitmap) {
Leon Scroggins IIIf3a02992017-10-03 14:00:20 -0400316 ALOGE("OOM allocating Bitmap with dimensions %i x %i", width, height);
317 doThrowOOME(env);
Chris Craik32054b02014-05-09 13:58:56 -0700318 return NULL;
319 }
320
321 if (jColors != NULL) {
Brian Osman91c9c282018-08-17 16:57:15 -0400322 GraphicsJNI::SetPixels(env, jColors, offset, stride, 0, 0, width, height, &bitmap);
Chris Craik32054b02014-05-09 13:58:56 -0700323 }
324
sergeyvc36bd6c2016-10-11 15:49:16 -0700325 return createBitmap(env, nativeBitmap.release(), getPremulBitmapCreateFlags(isMutable));
Chris Craik32054b02014-05-09 13:58:56 -0700326}
327
Matt Sarett5320a722017-03-20 13:51:29 -0400328static bool bitmapCopyTo(SkBitmap* dst, SkColorType dstCT, const SkBitmap& src,
329 SkBitmap::Allocator* alloc) {
Matt Sarette9834402017-04-25 13:49:42 -0400330 SkPixmap srcPM;
331 if (!src.peekPixels(&srcPM)) {
332 return false;
333 }
334
335 SkImageInfo dstInfo = srcPM.info().makeColorType(dstCT);
336 switch (dstCT) {
337 case kRGB_565_SkColorType:
Brian Osmanbaf13e82018-09-21 11:21:30 -0400338 dstInfo = dstInfo.makeAlphaType(kOpaque_SkAlphaType);
Matt Sarette9834402017-04-25 13:49:42 -0400339 break;
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500340 case kAlpha_8_SkColorType:
341 dstInfo = dstInfo.makeColorSpace(nullptr);
Matt Sarette9834402017-04-25 13:49:42 -0400342 break;
343 default:
344 break;
345 }
346
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500347 if (!dstInfo.colorSpace() && dstCT != kAlpha_8_SkColorType) {
348 dstInfo = dstInfo.makeColorSpace(SkColorSpace::MakeSRGB());
349 }
350
Matt Sarette9834402017-04-25 13:49:42 -0400351 if (!dst->setInfo(dstInfo)) {
352 return false;
353 }
Mike Reed81397c42017-07-18 17:04:16 -0400354 if (!dst->tryAllocPixels(alloc)) {
Matt Sarette9834402017-04-25 13:49:42 -0400355 return false;
356 }
357
Matt Sarette9834402017-04-25 13:49:42 -0400358 SkPixmap dstPM;
359 if (!dst->peekPixels(&dstPM)) {
360 return false;
361 }
362
Matt Sarette9834402017-04-25 13:49:42 -0400363 return srcPM.readPixels(dstPM);
Matt Sarett5320a722017-03-20 13:51:29 -0400364}
365
Sally Qide6041b2023-02-01 23:43:09 -0800366static jobject Bitmap_copy(JNIEnv* env, jobject, jlong srcHandle, jint dstConfigHandle,
367 jboolean isMutable) {
368 LocalScopedBitmap bitmapHolder(srcHandle);
369 if (!bitmapHolder.valid()) {
370 return NULL;
371 }
372 const Bitmap& original = bitmapHolder->bitmap();
373 const bool hasGainmap = original.hasGainmap();
John Reckf29ed282015-04-07 07:32:03 -0700374 SkBitmap src;
Sally Qide6041b2023-02-01 23:43:09 -0800375 bitmapHolder->getSkBitmap(&src);
376
sergeyv05126d12016-12-15 19:50:15 -0800377 if (dstConfigHandle == GraphicsJNI::hardwareLegacyBitmapConfig()) {
378 sk_sp<Bitmap> bitmap(Bitmap::allocateHardwareBitmap(src));
379 if (!bitmap.get()) {
380 return NULL;
381 }
Sally Qide6041b2023-02-01 23:43:09 -0800382 if (hasGainmap) {
Sally Qi587fb572023-03-03 15:50:06 -0800383 auto gm = uirenderer::Gainmap::allocateHardwareGainmap(original.gainmap());
384 if (gm) {
385 bitmap->setGainmap(std::move(gm));
Sally Qide6041b2023-02-01 23:43:09 -0800386 }
Sally Qide6041b2023-02-01 23:43:09 -0800387 }
sergeyv656117b2017-02-28 15:25:10 -0800388 return createBitmap(env, bitmap.release(), getPremulBitmapCreateFlags(isMutable));
sergeyv05126d12016-12-15 19:50:15 -0800389 }
390
Mike Reed1103b322014-07-08 12:36:44 -0400391 SkColorType dstCT = GraphicsJNI::legacyBitmapConfigToColorType(dstConfigHandle);
sergeyv45082182016-09-29 18:25:40 -0700392 SkBitmap result;
393 HeapAllocator allocator;
Chris Craik32054b02014-05-09 13:58:56 -0700394
Matt Sarett5320a722017-03-20 13:51:29 -0400395 if (!bitmapCopyTo(&result, dstCT, src, &allocator)) {
Chris Craik32054b02014-05-09 13:58:56 -0700396 return NULL;
397 }
sergeyvc1c54062016-10-19 18:47:26 -0700398 auto bitmap = allocator.getStorageObjAndReset();
Sally Qide6041b2023-02-01 23:43:09 -0800399 if (hasGainmap) {
400 auto gainmap = sp<uirenderer::Gainmap>::make();
401 gainmap->info = original.gainmap()->info;
402 const SkBitmap skSrcBitmap = original.gainmap()->bitmap->getSkBitmap();
403 SkBitmap skDestBitmap;
404 HeapAllocator destAllocator;
405 if (!bitmapCopyTo(&skDestBitmap, dstCT, skSrcBitmap, &destAllocator)) {
406 return NULL;
407 }
408 gainmap->bitmap = sk_sp<Bitmap>(destAllocator.getStorageObjAndReset());
Sally Qi9f240c12023-02-13 21:19:18 +0000409 bitmap->setGainmap(std::move(gainmap));
Sally Qide6041b2023-02-01 23:43:09 -0800410 }
sergeyvc1c54062016-10-19 18:47:26 -0700411 return createBitmap(env, bitmap, getPremulBitmapCreateFlags(isMutable));
Chris Craik32054b02014-05-09 13:58:56 -0700412}
413
sergeyvc1c54062016-10-19 18:47:26 -0700414static Bitmap* Bitmap_copyAshmemImpl(JNIEnv* env, SkBitmap& src, SkColorType& dstCT) {
Riley Andrews721ae5f2015-05-11 16:08:22 -0700415 SkBitmap result;
416
417 AshmemPixelAllocator allocator(env);
Matt Sarett5320a722017-03-20 13:51:29 -0400418 if (!bitmapCopyTo(&result, dstCT, src, &allocator)) {
Riley Andrews721ae5f2015-05-11 16:08:22 -0700419 return NULL;
420 }
sergeyvc1c54062016-10-19 18:47:26 -0700421 auto bitmap = allocator.getStorageObjAndReset();
422 bitmap->setImmutable();
423 return bitmap;
Winsona5fdde92016-04-14 15:27:15 -0700424}
425
426static jobject Bitmap_copyAshmem(JNIEnv* env, jobject, jlong srcHandle) {
427 SkBitmap src;
sergeyvc1c54062016-10-19 18:47:26 -0700428 reinterpret_cast<BitmapWrapper*>(srcHandle)->getSkBitmap(&src);
Winsona5fdde92016-04-14 15:27:15 -0700429 SkColorType dstCT = src.colorType();
sergeyvc1c54062016-10-19 18:47:26 -0700430 auto bitmap = Bitmap_copyAshmemImpl(env, src, dstCT);
431 jobject ret = createBitmap(env, bitmap, getPremulBitmapCreateFlags(false));
Winsona5fdde92016-04-14 15:27:15 -0700432 return ret;
433}
434
435static jobject Bitmap_copyAshmemConfig(JNIEnv* env, jobject, jlong srcHandle, jint dstConfigHandle) {
436 SkBitmap src;
sergeyvc1c54062016-10-19 18:47:26 -0700437 reinterpret_cast<BitmapWrapper*>(srcHandle)->getSkBitmap(&src);
Winsona5fdde92016-04-14 15:27:15 -0700438 SkColorType dstCT = GraphicsJNI::legacyBitmapConfigToColorType(dstConfigHandle);
sergeyvc1c54062016-10-19 18:47:26 -0700439 auto bitmap = Bitmap_copyAshmemImpl(env, src, dstCT);
440 jobject ret = createBitmap(env, bitmap, getPremulBitmapCreateFlags(false));
Riley Andrews721ae5f2015-05-11 16:08:22 -0700441 return ret;
442}
443
Derek Sollenberger3a269b02022-12-12 15:22:07 -0500444static jint Bitmap_getAshmemFd(JNIEnv* env, jobject, jlong bitmapHandle) {
445 LocalScopedBitmap bitmap(bitmapHandle);
446 return (bitmap.valid()) ? bitmap->bitmap().getAshmemFd() : -1;
447}
448
sergeyvc1c54062016-10-19 18:47:26 -0700449static void Bitmap_destruct(BitmapWrapper* bitmap) {
sergeyvc69853c2016-10-07 14:14:09 -0700450 delete bitmap;
Chris Craik32054b02014-05-09 13:58:56 -0700451}
452
Richard Uhler775873a2015-12-29 12:37:39 -0800453static jlong Bitmap_getNativeFinalizer(JNIEnv*, jobject) {
454 return static_cast<jlong>(reinterpret_cast<uintptr_t>(&Bitmap_destruct));
455}
456
Leon Scroggins IIIf8adae12018-05-24 15:25:08 -0400457static void Bitmap_recycle(JNIEnv* env, jobject, jlong bitmapHandle) {
John Reckf29ed282015-04-07 07:32:03 -0700458 LocalScopedBitmap bitmap(bitmapHandle);
459 bitmap->freePixels();
Chris Craik32054b02014-05-09 13:58:56 -0700460}
461
462static void Bitmap_reconfigure(JNIEnv* env, jobject clazz, jlong bitmapHandle,
sergeyv45082182016-09-29 18:25:40 -0700463 jint width, jint height, jint configHandle, jboolean requestPremul) {
John Reckf29ed282015-04-07 07:32:03 -0700464 LocalScopedBitmap bitmap(bitmapHandle);
sergeyvc69853c2016-10-07 14:14:09 -0700465 bitmap->assertValid();
Mike Reed1103b322014-07-08 12:36:44 -0400466 SkColorType colorType = GraphicsJNI::legacyBitmapConfigToColorType(configHandle);
Leon Scroggins III17a8bfc2014-06-03 16:15:15 -0400467
468 // ARGB_4444 is a deprecated format, convert automatically to 8888
469 if (colorType == kARGB_4444_SkColorType) {
470 colorType = kN32_SkColorType;
471 }
sergeyv45082182016-09-29 18:25:40 -0700472 size_t requestedSize = width * height * SkColorTypeBytesPerPixel(colorType);
473 if (requestedSize > bitmap->getAllocationByteCount()) {
Chris Craik32054b02014-05-09 13:58:56 -0700474 // done in native as there's no way to get BytesPerPixel in Java
475 doThrowIAE(env, "Bitmap not large enough to support new configuration");
476 return;
477 }
Leon Scroggins III17a8bfc2014-06-03 16:15:15 -0400478 SkAlphaType alphaType;
John Reckf29ed282015-04-07 07:32:03 -0700479 if (bitmap->info().colorType() != kRGB_565_SkColorType
480 && bitmap->info().alphaType() == kOpaque_SkAlphaType) {
Leon Scroggins III17a8bfc2014-06-03 16:15:15 -0400481 // If the original bitmap was set to opaque, keep that setting, unless it
482 // was 565, which is required to be opaque.
483 alphaType = kOpaque_SkAlphaType;
484 } else {
485 // Otherwise respect the premultiplied request.
486 alphaType = requestPremul ? kPremul_SkAlphaType : kUnpremul_SkAlphaType;
487 }
sergeyvaed7f582016-10-14 16:30:21 -0700488 bitmap->bitmap().reconfigure(SkImageInfo::Make(width, height, colorType, alphaType,
sergeyv7d5219f2016-11-03 16:18:16 -0700489 sk_ref_sp(bitmap->info().colorSpace())));
Chris Craik32054b02014-05-09 13:58:56 -0700490}
491
Chris Craik32054b02014-05-09 13:58:56 -0700492static jboolean Bitmap_compress(JNIEnv* env, jobject clazz, jlong bitmapHandle,
493 jint format, jint quality,
494 jobject jstream, jbyteArray jstorage) {
Hal Canary10219fb2016-11-23 20:41:22 -0500495 LocalScopedBitmap bitmap(bitmapHandle);
John Reckf29ed282015-04-07 07:32:03 -0700496 if (!bitmap.valid()) {
497 return JNI_FALSE;
498 }
499
John Reckf29ed282015-04-07 07:32:03 -0700500 std::unique_ptr<SkWStream> strm(CreateJavaOutputStreamAdaptor(env, jstream, jstorage));
501 if (!strm.get()) {
502 return JNI_FALSE;
503 }
Chris Craik32054b02014-05-09 13:58:56 -0700504
Leon Scroggins III9010e8b2019-08-20 11:27:17 -0400505 auto fm = static_cast<Bitmap::JavaCompressFormat>(format);
Leon Scroggins III949c6002020-01-23 16:20:39 -0500506 return bitmap->bitmap().compress(fm, quality, strm.get()) ? JNI_TRUE : JNI_FALSE;
Chris Craik32054b02014-05-09 13:58:56 -0700507}
508
Leon Scroggins III4c4259b2018-12-17 10:40:07 -0500509static inline void bitmapErase(SkBitmap bitmap, const SkColor4f& color,
510 const sk_sp<SkColorSpace>& colorSpace) {
511 SkPaint p;
512 p.setColor4f(color, colorSpace.get());
513 p.setBlendMode(SkBlendMode::kSrc);
514 SkCanvas canvas(bitmap);
515 canvas.drawPaint(p);
516}
517
Chris Craik32054b02014-05-09 13:58:56 -0700518static void Bitmap_erase(JNIEnv* env, jobject, jlong bitmapHandle, jint color) {
John Reckf29ed282015-04-07 07:32:03 -0700519 LocalScopedBitmap bitmap(bitmapHandle);
520 SkBitmap skBitmap;
521 bitmap->getSkBitmap(&skBitmap);
Leon Scroggins III4c4259b2018-12-17 10:40:07 -0500522 bitmapErase(skBitmap, SkColor4f::FromColor(color), SkColorSpace::MakeSRGB());
523}
524
Leon Scroggins III94ba1002019-01-17 13:34:51 -0500525static void Bitmap_eraseLong(JNIEnv* env, jobject, jlong bitmapHandle,
526 jlong colorSpaceHandle, jlong colorLong) {
Leon Scroggins III4c4259b2018-12-17 10:40:07 -0500527 LocalScopedBitmap bitmap(bitmapHandle);
528 SkBitmap skBitmap;
529 bitmap->getSkBitmap(&skBitmap);
Leon Scroggins III0e443d12018-12-19 11:38:35 -0500530
Leon Scroggins III94ba1002019-01-17 13:34:51 -0500531 SkColor4f color = GraphicsJNI::convertColorLong(colorLong);
Leon Scroggins III0e443d12018-12-19 11:38:35 -0500532 sk_sp<SkColorSpace> cs = GraphicsJNI::getNativeColorSpace(colorSpaceHandle);
Leon Scroggins III4c4259b2018-12-17 10:40:07 -0500533 bitmapErase(skBitmap, color, cs);
Chris Craik32054b02014-05-09 13:58:56 -0700534}
535
536static jint Bitmap_rowBytes(JNIEnv* env, jobject, jlong bitmapHandle) {
John Reckf29ed282015-04-07 07:32:03 -0700537 LocalScopedBitmap bitmap(bitmapHandle);
Chris Craik32054b02014-05-09 13:58:56 -0700538 return static_cast<jint>(bitmap->rowBytes());
539}
540
541static jint Bitmap_config(JNIEnv* env, jobject, jlong bitmapHandle) {
John Reckf29ed282015-04-07 07:32:03 -0700542 LocalScopedBitmap bitmap(bitmapHandle);
sergeyv15a10852016-12-27 14:32:03 -0800543 if (bitmap->isHardware()) {
sergeyv19b4b012016-12-13 16:06:00 -0800544 return GraphicsJNI::hardwareLegacyBitmapConfig();
545 }
John Reckf29ed282015-04-07 07:32:03 -0700546 return GraphicsJNI::colorTypeToLegacyBitmapConfig(bitmap->info().colorType());
Chris Craik32054b02014-05-09 13:58:56 -0700547}
548
549static jint Bitmap_getGenerationId(JNIEnv* env, jobject, jlong bitmapHandle) {
John Reckf29ed282015-04-07 07:32:03 -0700550 LocalScopedBitmap bitmap(bitmapHandle);
sergeyvc69853c2016-10-07 14:14:09 -0700551 return static_cast<jint>(bitmap->getGenerationID());
Chris Craik32054b02014-05-09 13:58:56 -0700552}
553
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400554static jboolean Bitmap_isPremultiplied(JNIEnv* env, jobject, jlong bitmapHandle) {
John Reckf29ed282015-04-07 07:32:03 -0700555 LocalScopedBitmap bitmap(bitmapHandle);
556 if (bitmap->info().alphaType() == kPremul_SkAlphaType) {
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400557 return JNI_TRUE;
558 }
559 return JNI_FALSE;
560}
561
Chris Craik32054b02014-05-09 13:58:56 -0700562static jboolean Bitmap_hasAlpha(JNIEnv* env, jobject, jlong bitmapHandle) {
John Reckf29ed282015-04-07 07:32:03 -0700563 LocalScopedBitmap bitmap(bitmapHandle);
564 return !bitmap->info().isOpaque() ? JNI_TRUE : JNI_FALSE;
Chris Craik32054b02014-05-09 13:58:56 -0700565}
566
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400567static void Bitmap_setHasAlpha(JNIEnv* env, jobject, jlong bitmapHandle,
568 jboolean hasAlpha, jboolean requestPremul) {
John Reckf29ed282015-04-07 07:32:03 -0700569 LocalScopedBitmap bitmap(bitmapHandle);
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400570 if (hasAlpha) {
John Reck0781a2f2015-05-27 16:29:17 -0700571 bitmap->setAlphaType(
John Reckf29ed282015-04-07 07:32:03 -0700572 requestPremul ? kPremul_SkAlphaType : kUnpremul_SkAlphaType);
Chris Craik32054b02014-05-09 13:58:56 -0700573 } else {
John Reck0781a2f2015-05-27 16:29:17 -0700574 bitmap->setAlphaType(kOpaque_SkAlphaType);
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400575 }
576}
577
578static void Bitmap_setPremultiplied(JNIEnv* env, jobject, jlong bitmapHandle,
579 jboolean isPremul) {
John Reckf29ed282015-04-07 07:32:03 -0700580 LocalScopedBitmap bitmap(bitmapHandle);
581 if (!bitmap->info().isOpaque()) {
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400582 if (isPremul) {
John Reck0781a2f2015-05-27 16:29:17 -0700583 bitmap->setAlphaType(kPremul_SkAlphaType);
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400584 } else {
John Reck0781a2f2015-05-27 16:29:17 -0700585 bitmap->setAlphaType(kUnpremul_SkAlphaType);
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400586 }
Chris Craik32054b02014-05-09 13:58:56 -0700587 }
588}
589
590static jboolean Bitmap_hasMipMap(JNIEnv* env, jobject, jlong bitmapHandle) {
John Reckf29ed282015-04-07 07:32:03 -0700591 LocalScopedBitmap bitmap(bitmapHandle);
Chris Craik32054b02014-05-09 13:58:56 -0700592 return bitmap->hasHardwareMipMap() ? JNI_TRUE : JNI_FALSE;
593}
594
595static void Bitmap_setHasMipMap(JNIEnv* env, jobject, jlong bitmapHandle,
596 jboolean hasMipMap) {
John Reckf29ed282015-04-07 07:32:03 -0700597 LocalScopedBitmap bitmap(bitmapHandle);
Chris Craik32054b02014-05-09 13:58:56 -0700598 bitmap->setHasHardwareMipMap(hasMipMap);
599}
600
601///////////////////////////////////////////////////////////////////////////////
602
John Recka18d7c82020-03-02 09:41:33 -0800603// TODO: Move somewhere else
Sally Qi9d2d9342023-02-06 11:11:31 -0800604#ifdef __ANDROID__ // Layoutlib does not support parcel
John Recka18d7c82020-03-02 09:41:33 -0800605#define ON_ERROR_RETURN(X) \
606 if ((error = (X)) != STATUS_OK) return error
607
608template <typename T, typename U>
609static binder_status_t readBlob(AParcel* parcel, T inPlaceCallback, U ashmemCallback) {
610 binder_status_t error = STATUS_OK;
611 BlobType type;
612 static_assert(sizeof(BlobType) == sizeof(int32_t));
613 ON_ERROR_RETURN(AParcel_readInt32(parcel, (int32_t*)&type));
614 if (type == BlobType::IN_PLACE) {
615 struct Data {
616 std::unique_ptr<int8_t[]> ptr = nullptr;
617 int32_t size = 0;
618 } data;
619 ON_ERROR_RETURN(
620 AParcel_readByteArray(parcel, &data,
621 [](void* arrayData, int32_t length, int8_t** outBuffer) {
622 Data* data = reinterpret_cast<Data*>(arrayData);
623 if (length > 0) {
624 data->ptr = std::make_unique<int8_t[]>(length);
625 data->size = length;
626 *outBuffer = data->ptr.get();
627 }
628 return data->ptr != nullptr;
629 }));
John Reckaca134f2022-01-18 13:23:00 -0500630 return inPlaceCallback(std::move(data.ptr), data.size);
John Recka18d7c82020-03-02 09:41:33 -0800631 } else if (type == BlobType::ASHMEM) {
632 int rawFd = -1;
633 int32_t size = 0;
634 ON_ERROR_RETURN(AParcel_readInt32(parcel, &size));
635 ON_ERROR_RETURN(AParcel_readParcelFileDescriptor(parcel, &rawFd));
636 android::base::unique_fd fd(rawFd);
John Reckaca134f2022-01-18 13:23:00 -0500637 return ashmemCallback(std::move(fd), size);
John Recka18d7c82020-03-02 09:41:33 -0800638 } else {
639 // Although the above if/else was "exhaustive" guard against unknown types
640 return STATUS_UNKNOWN_ERROR;
641 }
Derek Sollenberger42c50042020-02-18 14:51:17 -0500642}
John Recka18d7c82020-03-02 09:41:33 -0800643
644static constexpr size_t BLOB_INPLACE_LIMIT = 12 * 1024;
645// Fail fast if we can't use ashmem and the size exceeds this limit - the binder transaction
646// wouldn't go through, anyway
647// TODO: Can we get this from somewhere?
648static constexpr size_t BLOB_MAX_INPLACE_LIMIT = 1 * 1024 * 1024;
649static constexpr bool shouldUseAshmem(AParcel* parcel, int32_t size) {
650 return size > BLOB_INPLACE_LIMIT && AParcel_getAllowFds(parcel);
651}
652
653static binder_status_t writeBlobFromFd(AParcel* parcel, int32_t size, int fd) {
654 binder_status_t error = STATUS_OK;
655 ON_ERROR_RETURN(AParcel_writeInt32(parcel, static_cast<int32_t>(BlobType::ASHMEM)));
656 ON_ERROR_RETURN(AParcel_writeInt32(parcel, size));
657 ON_ERROR_RETURN(AParcel_writeParcelFileDescriptor(parcel, fd));
658 return STATUS_OK;
659}
660
John Reck6a93b4f2020-04-10 17:12:00 -0700661static binder_status_t writeBlob(AParcel* parcel, const int32_t size, const void* data, bool immutable) {
John Recka18d7c82020-03-02 09:41:33 -0800662 if (size <= 0 || data == nullptr) {
663 return STATUS_NOT_ENOUGH_DATA;
664 }
665 binder_status_t error = STATUS_OK;
666 if (shouldUseAshmem(parcel, size)) {
667 // Create new ashmem region with read/write priv
668 base::unique_fd fd(ashmem_create_region("bitmap", size));
669 if (fd.get() < 0) {
670 return STATUS_NO_MEMORY;
671 }
672
673 {
674 void* dest = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd.get(), 0);
675 if (dest == MAP_FAILED) {
676 return STATUS_NO_MEMORY;
677 }
678 memcpy(dest, data, size);
679 munmap(dest, size);
680 }
681
John Reck6a93b4f2020-04-10 17:12:00 -0700682 if (immutable && ashmem_set_prot_region(fd.get(), PROT_READ) < 0) {
John Recka18d7c82020-03-02 09:41:33 -0800683 return STATUS_UNKNOWN_ERROR;
684 }
685 // Workaround b/149851140 in AParcel_writeParcelFileDescriptor
686 int rawFd = fd.release();
687 error = writeBlobFromFd(parcel, size, rawFd);
688 close(rawFd);
689 return error;
690 } else {
691 if (size > BLOB_MAX_INPLACE_LIMIT) {
692 return STATUS_FAILED_TRANSACTION;
693 }
694 ON_ERROR_RETURN(AParcel_writeInt32(parcel, static_cast<int32_t>(BlobType::IN_PLACE)));
695 ON_ERROR_RETURN(AParcel_writeByteArray(parcel, static_cast<const int8_t*>(data), size));
696 return STATUS_OK;
697 }
698}
699
700#undef ON_ERROR_RETURN
701
702#endif // __ANDROID__ // Layoutlib does not support parcel
Derek Sollenberger42c50042020-02-18 14:51:17 -0500703
Matt Sarett3ca39752017-05-26 10:55:38 -0400704// This is the maximum possible size because the SkColorSpace must be
705// representable (and therefore serializable) using a matrix and numerical
706// transfer function. If we allow more color space representations in the
707// framework, we may need to update this maximum size.
John Recka18d7c82020-03-02 09:41:33 -0800708static constexpr size_t kMaxColorSpaceSerializedBytes = 80;
709
John Reckaca134f2022-01-18 13:23:00 -0500710static constexpr auto BadParcelableException = "android/os/BadParcelableException";
John Recka18d7c82020-03-02 09:41:33 -0800711
712static bool validateImageInfo(const SkImageInfo& info, int32_t rowBytes) {
713 // TODO: Can we avoid making a SkBitmap for this?
714 return SkBitmap().setInfo(info, rowBytes);
715}
Matt Sarett3ca39752017-05-26 10:55:38 -0400716
Chris Craik32054b02014-05-09 13:58:56 -0700717static jobject Bitmap_createFromParcel(JNIEnv* env, jobject, jobject parcel) {
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +0100718#ifdef __ANDROID__ // Layoutlib does not support parcel
Chris Craik32054b02014-05-09 13:58:56 -0700719 if (parcel == NULL) {
John Recka18d7c82020-03-02 09:41:33 -0800720 jniThrowNullPointerException(env, "parcel cannot be null");
Chris Craik32054b02014-05-09 13:58:56 -0700721 return NULL;
722 }
723
John Recka18d7c82020-03-02 09:41:33 -0800724 ScopedParcel p(env, parcel);
Chris Craik32054b02014-05-09 13:58:56 -0700725
John Reck6a93b4f2020-04-10 17:12:00 -0700726 const bool isMutable = p.readInt32();
John Recka18d7c82020-03-02 09:41:33 -0800727 const SkColorType colorType = static_cast<SkColorType>(p.readInt32());
728 const SkAlphaType alphaType = static_cast<SkAlphaType>(p.readInt32());
Romain Guy5acc4762017-03-07 15:29:27 -0800729 sk_sp<SkColorSpace> colorSpace;
John Recka18d7c82020-03-02 09:41:33 -0800730 const auto optColorSpaceData = p.readData();
731 if (optColorSpaceData) {
732 const auto& colorSpaceData = *optColorSpaceData;
733 if (colorSpaceData->size() > kMaxColorSpaceSerializedBytes) {
Matt Sarett3ca39752017-05-26 10:55:38 -0400734 ALOGD("Bitmap_createFromParcel: Serialized SkColorSpace is larger than expected: "
John Recka18d7c82020-03-02 09:41:33 -0800735 "%zu bytes (max: %zu)\n",
736 colorSpaceData->size(), kMaxColorSpaceSerializedBytes);
Matt Sarett3ca39752017-05-26 10:55:38 -0400737 }
738
John Recka18d7c82020-03-02 09:41:33 -0800739 colorSpace = SkColorSpace::Deserialize(colorSpaceData->data(), colorSpaceData->size());
Romain Guy5acc4762017-03-07 15:29:27 -0800740 }
John Recka18d7c82020-03-02 09:41:33 -0800741 const int32_t width = p.readInt32();
742 const int32_t height = p.readInt32();
743 const int32_t rowBytes = p.readInt32();
744 const int32_t density = p.readInt32();
Chris Craik32054b02014-05-09 13:58:56 -0700745
Mike Reedb9330552014-06-16 17:31:48 -0400746 if (kN32_SkColorType != colorType &&
Romain Guy9505a652016-12-14 09:43:50 -0800747 kRGBA_F16_SkColorType != colorType &&
Mike Reedb9330552014-06-16 17:31:48 -0400748 kRGB_565_SkColorType != colorType &&
749 kARGB_4444_SkColorType != colorType &&
Mike Reedb9330552014-06-16 17:31:48 -0400750 kAlpha_8_SkColorType != colorType) {
John Reckaca134f2022-01-18 13:23:00 -0500751 jniThrowExceptionFmt(env, BadParcelableException,
John Recka18d7c82020-03-02 09:41:33 -0800752 "Bitmap_createFromParcel unknown colortype: %d\n", colorType);
Chris Craik32054b02014-05-09 13:58:56 -0700753 return NULL;
754 }
755
John Recka18d7c82020-03-02 09:41:33 -0800756 auto imageInfo = SkImageInfo::Make(width, height, colorType, alphaType, colorSpace);
757 size_t allocationSize = 0;
758 if (!validateImageInfo(imageInfo, rowBytes)) {
759 jniThrowRuntimeException(env, "Received bad SkImageInfo");
Leon Scroggins IIIec419e02015-03-11 13:12:06 -0400760 return NULL;
761 }
John Recka18d7c82020-03-02 09:41:33 -0800762 if (!Bitmap::computeAllocationSize(rowBytes, height, &allocationSize)) {
John Reckaca134f2022-01-18 13:23:00 -0500763 jniThrowExceptionFmt(env, BadParcelableException,
John Recka18d7c82020-03-02 09:41:33 -0800764 "Received bad bitmap size: width=%d, height=%d, rowBytes=%d", width,
765 height, rowBytes);
Chris Craik32054b02014-05-09 13:58:56 -0700766 return NULL;
767 }
sergeyvc1c54062016-10-19 18:47:26 -0700768 sk_sp<Bitmap> nativeBitmap;
John Recka18d7c82020-03-02 09:41:33 -0800769 binder_status_t error = readBlob(
770 p.get(),
771 // In place callback
772 [&](std::unique_ptr<int8_t[]> buffer, int32_t size) {
John Reckaca134f2022-01-18 13:23:00 -0500773 if (allocationSize > size) {
774 android_errorWriteLog(0x534e4554, "213169612");
775 return STATUS_BAD_VALUE;
776 }
John Recka18d7c82020-03-02 09:41:33 -0800777 nativeBitmap = Bitmap::allocateHeapBitmap(allocationSize, imageInfo, rowBytes);
778 if (nativeBitmap) {
John Reckaca134f2022-01-18 13:23:00 -0500779 memcpy(nativeBitmap->pixels(), buffer.get(), allocationSize);
780 return STATUS_OK;
John Recka18d7c82020-03-02 09:41:33 -0800781 }
John Reckaca134f2022-01-18 13:23:00 -0500782 return STATUS_NO_MEMORY;
John Recka18d7c82020-03-02 09:41:33 -0800783 },
784 // Ashmem callback
785 [&](android::base::unique_fd fd, int32_t size) {
John Reckaca134f2022-01-18 13:23:00 -0500786 if (allocationSize > size) {
787 android_errorWriteLog(0x534e4554, "213169612");
788 return STATUS_BAD_VALUE;
789 }
John Reck6a93b4f2020-04-10 17:12:00 -0700790 int flags = PROT_READ;
791 if (isMutable) {
792 flags |= PROT_WRITE;
793 }
794 void* addr = mmap(nullptr, size, flags, MAP_SHARED, fd.get(), 0);
John Recka18d7c82020-03-02 09:41:33 -0800795 if (addr == MAP_FAILED) {
John Reck6a93b4f2020-04-10 17:12:00 -0700796 const int err = errno;
797 ALOGW("mmap failed, error %d (%s)", err, strerror(err));
John Reckaca134f2022-01-18 13:23:00 -0500798 return STATUS_NO_MEMORY;
John Recka18d7c82020-03-02 09:41:33 -0800799 }
800 nativeBitmap =
John Reck6a93b4f2020-04-10 17:12:00 -0700801 Bitmap::createFrom(imageInfo, rowBytes, fd.release(), addr, size, !isMutable);
John Reckaca134f2022-01-18 13:23:00 -0500802 return STATUS_OK;
John Recka18d7c82020-03-02 09:41:33 -0800803 });
John Reckaca134f2022-01-18 13:23:00 -0500804
805 if (error != STATUS_OK && error != STATUS_NO_MEMORY) {
John Recka18d7c82020-03-02 09:41:33 -0800806 // TODO: Stringify the error, see signalExceptionForError in android_util_Binder.cpp
John Reckaca134f2022-01-18 13:23:00 -0500807 jniThrowExceptionFmt(env, BadParcelableException, "Failed to read from Parcel, error=%d",
808 error);
John Recka18d7c82020-03-02 09:41:33 -0800809 return nullptr;
810 }
John Reckaca134f2022-01-18 13:23:00 -0500811 if (error == STATUS_NO_MEMORY || !nativeBitmap) {
812 jniThrowRuntimeException(env, "Could not allocate bitmap data.");
John Recka18d7c82020-03-02 09:41:33 -0800813 return nullptr;
Chris Craik32054b02014-05-09 13:58:56 -0700814 }
Chris Craik32054b02014-05-09 13:58:56 -0700815
John Reck6a93b4f2020-04-10 17:12:00 -0700816 return createBitmap(env, nativeBitmap.release(), getPremulBitmapCreateFlags(isMutable), nullptr,
John Recka18d7c82020-03-02 09:41:33 -0800817 nullptr, density);
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +0100818#else
John Recka18d7c82020-03-02 09:41:33 -0800819 jniThrowRuntimeException(env, "Cannot use parcels outside of Android");
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +0100820 return NULL;
821#endif
Chris Craik32054b02014-05-09 13:58:56 -0700822}
823
824static jboolean Bitmap_writeToParcel(JNIEnv* env, jobject,
John Reckefac0522020-01-24 16:04:26 -0800825 jlong bitmapHandle, jint density, jobject parcel) {
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +0100826#ifdef __ANDROID__ // Layoutlib does not support parcel
Chris Craik32054b02014-05-09 13:58:56 -0700827 if (parcel == NULL) {
Sally Qi7e3f93b2021-07-15 00:00:54 +0000828 ALOGD("------- writeToParcel null parcel\n");
Chris Craik32054b02014-05-09 13:58:56 -0700829 return JNI_FALSE;
830 }
831
John Recka18d7c82020-03-02 09:41:33 -0800832 ScopedParcel p(env, parcel);
John Reckf29ed282015-04-07 07:32:03 -0700833 SkBitmap bitmap;
Riley Andrews39d7f302014-11-13 17:43:25 -0800834
sergeyvc1c54062016-10-19 18:47:26 -0700835 auto bitmapWrapper = reinterpret_cast<BitmapWrapper*>(bitmapHandle);
836 bitmapWrapper->getSkBitmap(&bitmap);
Chris Craik32054b02014-05-09 13:58:56 -0700837
John Reck6a93b4f2020-04-10 17:12:00 -0700838 p.writeInt32(!bitmap.isImmutable());
John Recka18d7c82020-03-02 09:41:33 -0800839 p.writeInt32(bitmap.colorType());
840 p.writeInt32(bitmap.alphaType());
Romain Guy5acc4762017-03-07 15:29:27 -0800841 SkColorSpace* colorSpace = bitmap.colorSpace();
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500842 if (colorSpace != nullptr) {
John Recka18d7c82020-03-02 09:41:33 -0800843 p.writeData(colorSpace->serialize());
Romain Guy5acc4762017-03-07 15:29:27 -0800844 } else {
John Recka18d7c82020-03-02 09:41:33 -0800845 p.writeData(std::nullopt);
Romain Guy5acc4762017-03-07 15:29:27 -0800846 }
John Recka18d7c82020-03-02 09:41:33 -0800847 p.writeInt32(bitmap.width());
848 p.writeInt32(bitmap.height());
849 p.writeInt32(bitmap.rowBytes());
850 p.writeInt32(density);
Chris Craik32054b02014-05-09 13:58:56 -0700851
Jeff Browna316c5d2015-06-05 15:14:06 -0700852 // Transfer the underlying ashmem region if we have one and it's immutable.
John Recka18d7c82020-03-02 09:41:33 -0800853 binder_status_t status;
sergeyvaed7f582016-10-14 16:30:21 -0700854 int fd = bitmapWrapper->bitmap().getAshmemFd();
John Reck6a93b4f2020-04-10 17:12:00 -0700855 if (fd >= 0 && p.allowFds() && bitmap.isImmutable()) {
Jeff Browna316c5d2015-06-05 15:14:06 -0700856#if DEBUG_PARCEL
857 ALOGD("Bitmap.writeToParcel: transferring immutable bitmap's ashmem fd as "
John Recka18d7c82020-03-02 09:41:33 -0800858 "immutable blob (fds %s)",
859 p.allowFds() ? "allowed" : "forbidden");
Jeff Browna316c5d2015-06-05 15:14:06 -0700860#endif
861
John Recka18d7c82020-03-02 09:41:33 -0800862 status = writeBlobFromFd(p.get(), bitmapWrapper->bitmap().getAllocationByteCount(), fd);
863 if (status != STATUS_OK) {
Jeff Browna316c5d2015-06-05 15:14:06 -0700864 doThrowRE(env, "Could not write bitmap blob file descriptor.");
Riley Andrews39d7f302014-11-13 17:43:25 -0800865 return JNI_FALSE;
866 }
Jeff Browna316c5d2015-06-05 15:14:06 -0700867 return JNI_TRUE;
Riley Andrews39d7f302014-11-13 17:43:25 -0800868 }
Jeff Browna316c5d2015-06-05 15:14:06 -0700869
870 // Copy the bitmap to a new blob.
Jeff Browna316c5d2015-06-05 15:14:06 -0700871#if DEBUG_PARCEL
John Reckefac0522020-01-24 16:04:26 -0800872 ALOGD("Bitmap.writeToParcel: copying bitmap into new blob (fds %s)",
John Recka18d7c82020-03-02 09:41:33 -0800873 p.allowFds() ? "allowed" : "forbidden");
Jeff Browna316c5d2015-06-05 15:14:06 -0700874#endif
875
Mike Reed7569de02017-10-06 16:25:49 -0400876 size_t size = bitmap.computeByteSize();
John Reck6a93b4f2020-04-10 17:12:00 -0700877 status = writeBlob(p.get(), size, bitmap.getPixels(), bitmap.isImmutable());
Jeff Browna316c5d2015-06-05 15:14:06 -0700878 if (status) {
879 doThrowRE(env, "Could not copy bitmap to parcel blob.");
880 return JNI_FALSE;
881 }
Chris Craik32054b02014-05-09 13:58:56 -0700882 return JNI_TRUE;
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +0100883#else
884 doThrowRE(env, "Cannot use parcels outside of Android");
885 return JNI_FALSE;
886#endif
Chris Craik32054b02014-05-09 13:58:56 -0700887}
888
889static jobject Bitmap_extractAlpha(JNIEnv* env, jobject clazz,
890 jlong srcHandle, jlong paintHandle,
891 jintArray offsetXY) {
John Reckf29ed282015-04-07 07:32:03 -0700892 SkBitmap src;
sergeyvc1c54062016-10-19 18:47:26 -0700893 reinterpret_cast<BitmapWrapper*>(srcHandle)->getSkBitmap(&src);
Behdad Esfahbod6ba30b82014-07-15 16:22:32 -0400894 const android::Paint* paint = reinterpret_cast<android::Paint*>(paintHandle);
Chris Craik32054b02014-05-09 13:58:56 -0700895 SkIPoint offset;
John Reckf29ed282015-04-07 07:32:03 -0700896 SkBitmap dst;
sergeyv45082182016-09-29 18:25:40 -0700897 HeapAllocator allocator;
Chris Craik32054b02014-05-09 13:58:56 -0700898
John Reckf29ed282015-04-07 07:32:03 -0700899 src.extractAlpha(&dst, paint, &allocator, &offset);
Chris Craik32054b02014-05-09 13:58:56 -0700900 // If Skia can't allocate pixels for destination bitmap, it resets
901 // it, that is set its pixels buffer to NULL, and zero width and height.
John Reckf29ed282015-04-07 07:32:03 -0700902 if (dst.getPixels() == NULL && src.getPixels() != NULL) {
Chris Craik32054b02014-05-09 13:58:56 -0700903 doThrowOOME(env, "failed to allocate pixels for alpha");
904 return NULL;
905 }
906 if (offsetXY != 0 && env->GetArrayLength(offsetXY) >= 2) {
907 int* array = env->GetIntArrayElements(offsetXY, NULL);
908 array[0] = offset.fX;
909 array[1] = offset.fY;
910 env->ReleaseIntArrayElements(offsetXY, array, 0);
911 }
912
sergeyvc69853c2016-10-07 14:14:09 -0700913 return createBitmap(env, allocator.getStorageObjAndReset(),
John Reckf29ed282015-04-07 07:32:03 -0700914 getPremulBitmapCreateFlags(true));
Chris Craik32054b02014-05-09 13:58:56 -0700915}
916
917///////////////////////////////////////////////////////////////////////////////
918
Romain Guyefb4b062017-02-27 11:00:04 -0800919static jboolean Bitmap_isSRGB(JNIEnv* env, jobject, jlong bitmapHandle) {
920 LocalScopedBitmap bitmapHolder(bitmapHandle);
921 if (!bitmapHolder.valid()) return JNI_TRUE;
922
923 SkColorSpace* colorSpace = bitmapHolder->info().colorSpace();
Brian Osman91c9c282018-08-17 16:57:15 -0400924 return colorSpace == nullptr || colorSpace->isSRGB();
Romain Guyefb4b062017-02-27 11:00:04 -0800925}
926
Leon Scroggins IIIce89a6e2018-03-13 15:39:39 -0400927static jboolean Bitmap_isSRGBLinear(JNIEnv* env, jobject, jlong bitmapHandle) {
928 LocalScopedBitmap bitmapHolder(bitmapHandle);
929 if (!bitmapHolder.valid()) return JNI_FALSE;
930
931 SkColorSpace* colorSpace = bitmapHolder->info().colorSpace();
932 sk_sp<SkColorSpace> srgbLinear = SkColorSpace::MakeSRGBLinear();
933 return colorSpace == srgbLinear.get() ? JNI_TRUE : JNI_FALSE;
934}
935
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500936static jobject Bitmap_computeColorSpace(JNIEnv* env, jobject, jlong bitmapHandle) {
Romain Guyefb4b062017-02-27 11:00:04 -0800937 LocalScopedBitmap bitmapHolder(bitmapHandle);
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500938 if (!bitmapHolder.valid()) return nullptr;
Romain Guyefb4b062017-02-27 11:00:04 -0800939
940 SkColorSpace* colorSpace = bitmapHolder->info().colorSpace();
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500941 if (colorSpace == nullptr) return nullptr;
Romain Guyefb4b062017-02-27 11:00:04 -0800942
Derek Sollenbergerbf3e4642019-01-30 11:28:27 -0500943 return GraphicsJNI::getColorSpace(env, colorSpace, bitmapHolder->info().colorType());
Romain Guyefb4b062017-02-27 11:00:04 -0800944}
945
Derek Sollenberger202084c2019-01-14 13:55:08 -0500946static void Bitmap_setColorSpace(JNIEnv* env, jobject, jlong bitmapHandle, jlong colorSpacePtr) {
947 LocalScopedBitmap bitmapHolder(bitmapHandle);
948 sk_sp<SkColorSpace> cs = GraphicsJNI::getNativeColorSpace(colorSpacePtr);
949 bitmapHolder->setColorSpace(cs);
950}
951
Romain Guyefb4b062017-02-27 11:00:04 -0800952///////////////////////////////////////////////////////////////////////////////
953
Chris Craik32054b02014-05-09 13:58:56 -0700954static jint Bitmap_getPixel(JNIEnv* env, jobject, jlong bitmapHandle,
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400955 jint x, jint y) {
John Reckf29ed282015-04-07 07:32:03 -0700956 SkBitmap bitmap;
sergeyvc1c54062016-10-19 18:47:26 -0700957 reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap);
Chris Craik32054b02014-05-09 13:58:56 -0700958
Brian Osman91c9c282018-08-17 16:57:15 -0400959 auto sRGB = SkColorSpace::MakeSRGB();
960 SkImageInfo dstInfo = SkImageInfo::Make(
961 1, 1, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, sRGB);
Chris Craik32054b02014-05-09 13:58:56 -0700962
Brian Osman91c9c282018-08-17 16:57:15 -0400963 SkColor dst;
964 bitmap.readPixels(dstInfo, &dst, dstInfo.minRowBytes(), x, y);
965 return static_cast<jint>(dst);
Chris Craik32054b02014-05-09 13:58:56 -0700966}
967
Leon Scroggins III870053d2019-01-24 08:37:27 -0500968static jlong Bitmap_getColor(JNIEnv* env, jobject, jlong bitmapHandle,
969 jint x, jint y) {
970 SkBitmap bitmap;
971 reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap);
972
973 SkImageInfo dstInfo = SkImageInfo::Make(
974 1, 1, kRGBA_F16_SkColorType, kUnpremul_SkAlphaType, bitmap.refColorSpace());
975
976 uint64_t dst;
977 bitmap.readPixels(dstInfo, &dst, dstInfo.minRowBytes(), x, y);
978 return static_cast<jlong>(dst);
979}
980
Chris Craik32054b02014-05-09 13:58:56 -0700981static void Bitmap_getPixels(JNIEnv* env, jobject, jlong bitmapHandle,
982 jintArray pixelArray, jint offset, jint stride,
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400983 jint x, jint y, jint width, jint height) {
John Reckf29ed282015-04-07 07:32:03 -0700984 SkBitmap bitmap;
sergeyvc1c54062016-10-19 18:47:26 -0700985 reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap);
Chris Craik32054b02014-05-09 13:58:56 -0700986
Brian Osman91c9c282018-08-17 16:57:15 -0400987 auto sRGB = SkColorSpace::MakeSRGB();
988 SkImageInfo dstInfo = SkImageInfo::Make(
989 width, height, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, sRGB);
Chris Craik32054b02014-05-09 13:58:56 -0700990
Chris Craik32054b02014-05-09 13:58:56 -0700991 jint* dst = env->GetIntArrayElements(pixelArray, NULL);
Brian Osman91c9c282018-08-17 16:57:15 -0400992 bitmap.readPixels(dstInfo, dst + offset, stride * 4, x, y);
Chris Craik32054b02014-05-09 13:58:56 -0700993 env->ReleaseIntArrayElements(pixelArray, dst, 0);
994}
995
996///////////////////////////////////////////////////////////////////////////////
997
998static void Bitmap_setPixel(JNIEnv* env, jobject, jlong bitmapHandle,
Leon Scroggins III57ee6202014-06-04 18:51:07 -0400999 jint x, jint y, jint colorHandle) {
John Reckf29ed282015-04-07 07:32:03 -07001000 SkBitmap bitmap;
sergeyvc1c54062016-10-19 18:47:26 -07001001 reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap);
Chris Craik32054b02014-05-09 13:58:56 -07001002 SkColor color = static_cast<SkColor>(colorHandle);
Chris Craik32054b02014-05-09 13:58:56 -07001003
Brian Osman91c9c282018-08-17 16:57:15 -04001004 auto sRGB = SkColorSpace::MakeSRGB();
1005 SkImageInfo srcInfo = SkImageInfo::Make(
1006 1, 1, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType, sRGB);
1007 SkPixmap srcPM(srcInfo, &color, srcInfo.minRowBytes());
Chris Craik32054b02014-05-09 13:58:56 -07001008
Brian Osman91c9c282018-08-17 16:57:15 -04001009 bitmap.writePixels(srcPM, x, y);
Chris Craik32054b02014-05-09 13:58:56 -07001010}
1011
1012static void Bitmap_setPixels(JNIEnv* env, jobject, jlong bitmapHandle,
1013 jintArray pixelArray, jint offset, jint stride,
Leon Scroggins III57ee6202014-06-04 18:51:07 -04001014 jint x, jint y, jint width, jint height) {
John Reckf29ed282015-04-07 07:32:03 -07001015 SkBitmap bitmap;
sergeyvc1c54062016-10-19 18:47:26 -07001016 reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap);
Chris Craik32054b02014-05-09 13:58:56 -07001017 GraphicsJNI::SetPixels(env, pixelArray, offset, stride,
Brian Osman91c9c282018-08-17 16:57:15 -04001018 x, y, width, height, &bitmap);
Chris Craik32054b02014-05-09 13:58:56 -07001019}
1020
1021static void Bitmap_copyPixelsToBuffer(JNIEnv* env, jobject,
1022 jlong bitmapHandle, jobject jbuffer) {
John Reckf29ed282015-04-07 07:32:03 -07001023 SkBitmap bitmap;
sergeyvc1c54062016-10-19 18:47:26 -07001024 reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap);
John Reckf29ed282015-04-07 07:32:03 -07001025 const void* src = bitmap.getPixels();
Chris Craik32054b02014-05-09 13:58:56 -07001026
1027 if (NULL != src) {
1028 android::AutoBufferPointer abp(env, jbuffer, JNI_TRUE);
1029
1030 // the java side has already checked that buffer is large enough
Mike Reed7569de02017-10-06 16:25:49 -04001031 memcpy(abp.pointer(), src, bitmap.computeByteSize());
Chris Craik32054b02014-05-09 13:58:56 -07001032 }
1033}
1034
1035static void Bitmap_copyPixelsFromBuffer(JNIEnv* env, jobject,
1036 jlong bitmapHandle, jobject jbuffer) {
John Reckf29ed282015-04-07 07:32:03 -07001037 SkBitmap bitmap;
sergeyvc1c54062016-10-19 18:47:26 -07001038 reinterpret_cast<BitmapWrapper*>(bitmapHandle)->getSkBitmap(&bitmap);
John Reckf29ed282015-04-07 07:32:03 -07001039 void* dst = bitmap.getPixels();
Chris Craik32054b02014-05-09 13:58:56 -07001040
1041 if (NULL != dst) {
1042 android::AutoBufferPointer abp(env, jbuffer, JNI_FALSE);
1043 // the java side has already checked that buffer is large enough
Mike Reed7569de02017-10-06 16:25:49 -04001044 memcpy(dst, abp.pointer(), bitmap.computeByteSize());
John Reckf29ed282015-04-07 07:32:03 -07001045 bitmap.notifyPixelsChanged();
Chris Craik32054b02014-05-09 13:58:56 -07001046 }
1047}
1048
Chris Craik795bd0f2016-12-16 15:22:31 -08001049static jboolean Bitmap_sameAs(JNIEnv* env, jobject, jlong bm0Handle, jlong bm1Handle) {
John Reckf29ed282015-04-07 07:32:03 -07001050 SkBitmap bm0;
1051 SkBitmap bm1;
sergeyv1eabed32016-12-14 14:19:47 -08001052
1053 LocalScopedBitmap bitmap0(bm0Handle);
1054 LocalScopedBitmap bitmap1(bm1Handle);
1055
1056 // Paying the price for making Hardware Bitmap as Config:
1057 // later check for colorType will pass successfully,
1058 // because Hardware Config internally may be RGBA8888 or smth like that.
sergeyv15a10852016-12-27 14:32:03 -08001059 if (bitmap0->isHardware() != bitmap1->isHardware()) {
sergeyv1eabed32016-12-14 14:19:47 -08001060 return JNI_FALSE;
1061 }
1062
1063 bitmap0->bitmap().getSkBitmap(&bm0);
1064 bitmap1->bitmap().getSkBitmap(&bm1);
Chris Craik795bd0f2016-12-16 15:22:31 -08001065 if (bm0.width() != bm1.width()
1066 || bm0.height() != bm1.height()
1067 || bm0.colorType() != bm1.colorType()
1068 || bm0.alphaType() != bm1.alphaType()
1069 || !SkColorSpace::Equals(bm0.colorSpace(), bm1.colorSpace())) {
Chris Craik32054b02014-05-09 13:58:56 -07001070 return JNI_FALSE;
1071 }
1072
Chris Craik32054b02014-05-09 13:58:56 -07001073 // if we can't load the pixels, return false
John Reckf29ed282015-04-07 07:32:03 -07001074 if (NULL == bm0.getPixels() || NULL == bm1.getPixels()) {
Chris Craik32054b02014-05-09 13:58:56 -07001075 return JNI_FALSE;
1076 }
1077
Chris Craik32054b02014-05-09 13:58:56 -07001078 // now compare each scanline. We can't do the entire buffer at once,
1079 // since we don't care about the pixel values that might extend beyond
1080 // the width (since the scanline might be larger than the logical width)
John Reckf29ed282015-04-07 07:32:03 -07001081 const int h = bm0.height();
1082 const size_t size = bm0.width() * bm0.bytesPerPixel();
Chris Craik32054b02014-05-09 13:58:56 -07001083 for (int y = 0; y < h; y++) {
henry.uh_chen53001ca2014-07-03 20:40:22 +08001084 // SkBitmap::getAddr(int, int) may return NULL due to unrecognized config
1085 // (ex: kRLE_Index8_Config). This will cause memcmp method to crash. Since bm0
1086 // and bm1 both have pixel data() (have passed NULL == getPixels() check),
1087 // those 2 bitmaps should be valid (only unrecognized), we return JNI_FALSE
1088 // to warn user those 2 unrecognized config bitmaps may be different.
John Reckf29ed282015-04-07 07:32:03 -07001089 void *bm0Addr = bm0.getAddr(0, y);
1090 void *bm1Addr = bm1.getAddr(0, y);
henry.uh_chen53001ca2014-07-03 20:40:22 +08001091
1092 if(bm0Addr == NULL || bm1Addr == NULL) {
1093 return JNI_FALSE;
1094 }
1095
1096 if (memcmp(bm0Addr, bm1Addr, size) != 0) {
Chris Craik32054b02014-05-09 13:58:56 -07001097 return JNI_FALSE;
1098 }
1099 }
1100 return JNI_TRUE;
1101}
1102
John Reck43871902016-08-01 14:39:24 -07001103static void Bitmap_prepareToDraw(JNIEnv* env, jobject, jlong bitmapPtr) {
1104 LocalScopedBitmap bitmapHandle(bitmapPtr);
1105 if (!bitmapHandle.valid()) return;
sergeyvec4a4b12016-10-20 18:39:04 -07001106 android::uirenderer::renderthread::RenderProxy::prepareToDraw(bitmapHandle->bitmap());
John Reck43871902016-08-01 14:39:24 -07001107}
1108
sergeyv45082182016-09-29 18:25:40 -07001109static jint Bitmap_getAllocationByteCount(JNIEnv* env, jobject, jlong bitmapPtr) {
1110 LocalScopedBitmap bitmapHandle(bitmapPtr);
1111 return static_cast<jint>(bitmapHandle->getAllocationByteCount());
1112}
1113
sergeyv6e3658a2017-01-04 16:57:51 -08001114static jobject Bitmap_copyPreserveInternalConfig(JNIEnv* env, jobject, jlong bitmapPtr) {
sergeyv81f97ee2016-12-27 18:08:01 -08001115 LocalScopedBitmap bitmapHandle(bitmapPtr);
1116 LOG_ALWAYS_FATAL_IF(!bitmapHandle->isHardware(),
1117 "Hardware config is only supported config in Bitmap_nativeCopyPreserveInternalConfig");
1118 Bitmap& hwuiBitmap = bitmapHandle->bitmap();
1119 SkBitmap src;
1120 hwuiBitmap.getSkBitmap(&src);
1121
Derek Sollenbergere2169482018-11-20 10:57:20 -05001122 if (src.pixelRef() == nullptr) {
sergeyv81f97ee2016-12-27 18:08:01 -08001123 doThrowRE(env, "Could not copy a hardware bitmap.");
1124 return NULL;
1125 }
Derek Sollenbergere2169482018-11-20 10:57:20 -05001126
1127 sk_sp<Bitmap> bitmap = Bitmap::createFrom(src.info(), *src.pixelRef());
1128 return createBitmap(env, bitmap.release(), getPremulBitmapCreateFlags(false));
sergeyv81f97ee2016-12-27 18:08:01 -08001129}
1130
rennb2e9f522018-09-26 10:49:00 -07001131static jobject Bitmap_wrapHardwareBufferBitmap(JNIEnv* env, jobject, jobject hardwareBuffer,
Leon Scroggins III0e443d12018-12-19 11:38:35 -05001132 jlong colorSpacePtr) {
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +01001133#ifdef __ANDROID__ // Layoutlib does not support graphic buffer
Nader Jawada3521852023-01-30 20:23:46 -08001134 AHardwareBuffer* buffer = uirenderer::HardwareBufferHelpers::AHardwareBuffer_fromHardwareBuffer(
1135 env, hardwareBuffer);
Derek Sollenbergere78f7c92019-07-31 15:18:47 -04001136 sk_sp<Bitmap> bitmap = Bitmap::createFrom(buffer,
1137 GraphicsJNI::getNativeColorSpace(colorSpacePtr));
rennb2e9f522018-09-26 10:49:00 -07001138 if (!bitmap.get()) {
1139 ALOGW("failed to create hardware bitmap from hardware buffer");
1140 return NULL;
1141 }
1142 return bitmap::createBitmap(env, bitmap.release(), getPremulBitmapCreateFlags(false));
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +01001143#else
1144 return NULL;
1145#endif
rennb2e9f522018-09-26 10:49:00 -07001146}
1147
Leon Scroggins III5a190b12020-02-18 13:52:18 -05001148static jobject Bitmap_getHardwareBuffer(JNIEnv* env, jobject, jlong bitmapPtr) {
1149#ifdef __ANDROID__ // Layoutlib does not support graphic buffer
1150 LocalScopedBitmap bitmapHandle(bitmapPtr);
Leon Scroggins IIIa72a7ff2020-02-28 15:41:56 -05001151 if (!bitmapHandle->isHardware()) {
1152 jniThrowException(env, "java/lang/IllegalStateException",
Leon Scroggins III5a190b12020-02-18 13:52:18 -05001153 "Hardware config is only supported config in Bitmap_getHardwareBuffer");
Leon Scroggins IIIa72a7ff2020-02-28 15:41:56 -05001154 return nullptr;
1155 }
Leon Scroggins III5a190b12020-02-18 13:52:18 -05001156
1157 Bitmap& bitmap = bitmapHandle->bitmap();
Nader Jawada3521852023-01-30 20:23:46 -08001158 return uirenderer::HardwareBufferHelpers::AHardwareBuffer_toHardwareBuffer(
1159 env, bitmap.hardwareBuffer());
Leon Scroggins III5a190b12020-02-18 13:52:18 -05001160#else
Leon Scroggins IIIa72a7ff2020-02-28 15:41:56 -05001161 return nullptr;
Leon Scroggins III5a190b12020-02-18 13:52:18 -05001162#endif
1163}
1164
Jerome Gaillard21e7e2d2019-05-14 14:34:46 +01001165static jboolean Bitmap_isImmutable(CRITICAL_JNI_PARAMS_COMMA jlong bitmapHandle) {
Nader Jawade7b51292018-04-12 17:55:31 -07001166 LocalScopedBitmap bitmapHolder(bitmapHandle);
1167 if (!bitmapHolder.valid()) return JNI_FALSE;
1168
1169 return bitmapHolder->bitmap().isImmutable() ? JNI_TRUE : JNI_FALSE;
1170}
1171
Leon Scroggins III3eb98432020-03-11 15:38:12 -04001172static jboolean Bitmap_isBackedByAshmem(CRITICAL_JNI_PARAMS_COMMA jlong bitmapHandle) {
1173 LocalScopedBitmap bitmapHolder(bitmapHandle);
1174 if (!bitmapHolder.valid()) return JNI_FALSE;
1175
1176 return bitmapHolder->bitmap().pixelStorageType() == PixelStorageType::Ashmem ? JNI_TRUE
1177 : JNI_FALSE;
1178}
1179
Nader Jawade7b51292018-04-12 17:55:31 -07001180static void Bitmap_setImmutable(JNIEnv* env, jobject, jlong bitmapHandle) {
1181 LocalScopedBitmap bitmapHolder(bitmapHandle);
1182 if (!bitmapHolder.valid()) return;
1183
1184 return bitmapHolder->bitmap().setImmutable();
1185}
1186
John Reck5bd537e2023-01-24 20:13:45 -05001187static jboolean Bitmap_hasGainmap(CRITICAL_JNI_PARAMS_COMMA jlong bitmapHandle) {
1188 LocalScopedBitmap bitmapHolder(bitmapHandle);
1189 if (!bitmapHolder.valid()) return false;
1190
1191 return bitmapHolder->bitmap().hasGainmap();
1192}
1193
1194static jobject Bitmap_extractGainmap(JNIEnv* env, jobject, jlong bitmapHandle) {
1195 LocalScopedBitmap bitmapHolder(bitmapHandle);
1196 if (!bitmapHolder.valid()) return nullptr;
1197 if (!bitmapHolder->bitmap().hasGainmap()) return nullptr;
1198
1199 return Gainmap_extractFromBitmap(env, bitmapHolder->bitmap());
1200}
1201
John Reck3e98bce2023-02-07 13:38:28 -05001202static void Bitmap_setGainmap(JNIEnv*, jobject, jlong bitmapHandle, jlong gainmapPtr) {
1203 LocalScopedBitmap bitmapHolder(bitmapHandle);
1204 if (!bitmapHolder.valid()) return;
1205 uirenderer::Gainmap* gainmap = reinterpret_cast<uirenderer::Gainmap*>(gainmapPtr);
1206 bitmapHolder->bitmap().setGainmap(sp<uirenderer::Gainmap>::fromExisting(gainmap));
1207}
1208
Chris Craik32054b02014-05-09 13:58:56 -07001209///////////////////////////////////////////////////////////////////////////////
1210
Daniel Micay76f6a862015-09-19 17:31:01 -04001211static const JNINativeMethod gBitmapMethods[] = {
John Reck5bd537e2023-01-24 20:13:45 -05001212 {"nativeCreate", "([IIIIIIZJ)Landroid/graphics/Bitmap;", (void*)Bitmap_creator},
1213 {"nativeCopy", "(JIZ)Landroid/graphics/Bitmap;", (void*)Bitmap_copy},
1214 {"nativeCopyAshmem", "(J)Landroid/graphics/Bitmap;", (void*)Bitmap_copyAshmem},
1215 {"nativeCopyAshmemConfig", "(JI)Landroid/graphics/Bitmap;", (void*)Bitmap_copyAshmemConfig},
1216 {"nativeGetAshmemFD", "(J)I", (void*)Bitmap_getAshmemFd},
1217 {"nativeGetNativeFinalizer", "()J", (void*)Bitmap_getNativeFinalizer},
1218 {"nativeRecycle", "(J)V", (void*)Bitmap_recycle},
1219 {"nativeReconfigure", "(JIIIZ)V", (void*)Bitmap_reconfigure},
1220 {"nativeCompress", "(JIILjava/io/OutputStream;[B)Z", (void*)Bitmap_compress},
1221 {"nativeErase", "(JI)V", (void*)Bitmap_erase},
1222 {"nativeErase", "(JJJ)V", (void*)Bitmap_eraseLong},
1223 {"nativeRowBytes", "(J)I", (void*)Bitmap_rowBytes},
1224 {"nativeConfig", "(J)I", (void*)Bitmap_config},
1225 {"nativeHasAlpha", "(J)Z", (void*)Bitmap_hasAlpha},
1226 {"nativeIsPremultiplied", "(J)Z", (void*)Bitmap_isPremultiplied},
1227 {"nativeSetHasAlpha", "(JZZ)V", (void*)Bitmap_setHasAlpha},
1228 {"nativeSetPremultiplied", "(JZ)V", (void*)Bitmap_setPremultiplied},
1229 {"nativeHasMipMap", "(J)Z", (void*)Bitmap_hasMipMap},
1230 {"nativeSetHasMipMap", "(JZ)V", (void*)Bitmap_setHasMipMap},
1231 {"nativeCreateFromParcel", "(Landroid/os/Parcel;)Landroid/graphics/Bitmap;",
1232 (void*)Bitmap_createFromParcel},
1233 {"nativeWriteToParcel", "(JILandroid/os/Parcel;)Z", (void*)Bitmap_writeToParcel},
1234 {"nativeExtractAlpha", "(JJ[I)Landroid/graphics/Bitmap;", (void*)Bitmap_extractAlpha},
1235 {"nativeGenerationId", "(J)I", (void*)Bitmap_getGenerationId},
1236 {"nativeGetPixel", "(JII)I", (void*)Bitmap_getPixel},
1237 {"nativeGetColor", "(JII)J", (void*)Bitmap_getColor},
1238 {"nativeGetPixels", "(J[IIIIIII)V", (void*)Bitmap_getPixels},
1239 {"nativeSetPixel", "(JIII)V", (void*)Bitmap_setPixel},
1240 {"nativeSetPixels", "(J[IIIIIII)V", (void*)Bitmap_setPixels},
1241 {"nativeCopyPixelsToBuffer", "(JLjava/nio/Buffer;)V", (void*)Bitmap_copyPixelsToBuffer},
1242 {"nativeCopyPixelsFromBuffer", "(JLjava/nio/Buffer;)V", (void*)Bitmap_copyPixelsFromBuffer},
1243 {"nativeSameAs", "(JJ)Z", (void*)Bitmap_sameAs},
1244 {"nativePrepareToDraw", "(J)V", (void*)Bitmap_prepareToDraw},
1245 {"nativeGetAllocationByteCount", "(J)I", (void*)Bitmap_getAllocationByteCount},
1246 {"nativeCopyPreserveInternalConfig", "(J)Landroid/graphics/Bitmap;",
1247 (void*)Bitmap_copyPreserveInternalConfig},
1248 {"nativeWrapHardwareBufferBitmap",
1249 "(Landroid/hardware/HardwareBuffer;J)Landroid/graphics/Bitmap;",
1250 (void*)Bitmap_wrapHardwareBufferBitmap},
1251 {"nativeGetHardwareBuffer", "(J)Landroid/hardware/HardwareBuffer;",
1252 (void*)Bitmap_getHardwareBuffer},
1253 {"nativeComputeColorSpace", "(J)Landroid/graphics/ColorSpace;",
1254 (void*)Bitmap_computeColorSpace},
1255 {"nativeSetColorSpace", "(JJ)V", (void*)Bitmap_setColorSpace},
1256 {"nativeIsSRGB", "(J)Z", (void*)Bitmap_isSRGB},
1257 {"nativeIsSRGBLinear", "(J)Z", (void*)Bitmap_isSRGBLinear},
1258 {"nativeSetImmutable", "(J)V", (void*)Bitmap_setImmutable},
1259 {"nativeExtractGainmap", "(J)Landroid/graphics/Gainmap;", (void*)Bitmap_extractGainmap},
John Reck3e98bce2023-02-07 13:38:28 -05001260 {"nativeSetGainmap", "(JJ)V", (void*)Bitmap_setGainmap},
Nader Jawade7b51292018-04-12 17:55:31 -07001261
John Reck5bd537e2023-01-24 20:13:45 -05001262 // ------------ @CriticalNative ----------------
1263 {"nativeIsImmutable", "(J)Z", (void*)Bitmap_isImmutable},
1264 {"nativeIsBackedByAshmem", "(J)Z", (void*)Bitmap_isBackedByAshmem},
1265 {"nativeHasGainmap", "(J)Z", (void*)Bitmap_hasGainmap},
Nader Jawade7b51292018-04-12 17:55:31 -07001266
Chris Craik32054b02014-05-09 13:58:56 -07001267};
1268
Chris Craik32054b02014-05-09 13:58:56 -07001269int register_android_graphics_Bitmap(JNIEnv* env)
1270{
Romain Guy95648b82017-04-13 18:43:42 -07001271 gBitmap_class = MakeGlobalRefOrDie(env, FindClassOrDie(env, "android/graphics/Bitmap"));
1272 gBitmap_nativePtr = GetFieldIDOrDie(env, gBitmap_class, "mNativePtr", "J");
Leon Scroggins IIIbbdb7312019-01-31 14:35:54 -05001273 gBitmap_constructorMethodID = GetMethodIDOrDie(env, gBitmap_class, "<init>", "(JIIIZ[BLandroid/graphics/NinePatch$InsetStruct;Z)V");
Romain Guy95648b82017-04-13 18:43:42 -07001274 gBitmap_reinitMethodID = GetMethodIDOrDie(env, gBitmap_class, "reinit", "(IIZ)V");
Nader Jawada3521852023-01-30 20:23:46 -08001275 uirenderer::HardwareBufferHelpers::init();
Andreas Gampeed6b9df2014-11-20 22:02:20 -08001276 return android::RegisterMethodsOrDie(env, "android/graphics/Bitmap", gBitmapMethods,
1277 NELEM(gBitmapMethods));
John Reck9192d5e2016-10-31 10:32:09 -07001278}