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Diffstat (limited to '')
| -rw-r--r-- | src/main/jni/gif.c | 847 |
1 files changed, 0 insertions, 847 deletions
diff --git a/src/main/jni/gif.c b/src/main/jni/gif.c deleted file mode 100644 index 64dda4793..000000000 --- a/src/main/jni/gif.c +++ /dev/null @@ -1,847 +0,0 @@ -//thanks to https://github.com/koral--/android-gif-drawable -/* - MIT License - Copyright (c) - - Permission is hereby granted, free of charge, to any person obtaining a copy - of this software and associated documentation files (the "Software"), to deal - in the Software without restriction, including without limitation the rights - to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - copies of the Software, and to permit persons to whom the Software is - furnished to do so, subject to the following conditions: - - The above copyright notice and this permission notice shall be included in - all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - THE SOFTWARE. - - // Copyright (c) 2011 Google Inc. All rights reserved. - // - // Redistribution and use in source and binary forms, with or without - // modification, are permitted provided that the following conditions are - // met: - // - // * Redistributions of source code must retain the above copyright - // notice, this list of conditions and the following disclaimer. - // * Redistributions in binary form must reproduce the above - // copyright notice, this list of conditions and the following disclaimer - // in the documentation and/or other materials provided with the - // distribution. - // * Neither the name of Google Inc. nor the names of its - // contributors may be used to endorse or promote products derived from - // this software without specific prior written permission. - // - // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - - The GIFLIB distribution is Copyright (c) 1997 Eric S. Raymond - */ - -#include <jni.h> -#include <stdio.h> -#include <time.h> -#include <limits.h> -#include "gif.h" -#include "giflib/gif_lib.h" - -#define D_GIF_ERR_NO_FRAMES 1000 -#define D_GIF_ERR_INVALID_SCR_DIMS 1001 -#define D_GIF_ERR_INVALID_IMG_DIMS 1002 -#define D_GIF_ERR_IMG_NOT_CONFINED 1003 - -typedef struct { - uint8_t blue; - uint8_t green; - uint8_t red; - uint8_t alpha; -} argb; - -typedef struct { - unsigned int duration; - int transpIndex; - unsigned char disposalMethod; -} FrameInfo; - -typedef struct { - GifFileType *gifFilePtr; - unsigned long lastFrameReaminder; - unsigned long nextStartTime; - int currentIndex; - unsigned int lastDrawIndex; - FrameInfo *infos; - argb *backupPtr; - int startPos; - unsigned char *rasterBits; - char *comment; - unsigned short loopCount; - int currentLoop; - jfloat speedFactor; -} GifInfo; - -static ColorMapObject *defaultCmap = NULL; - -static ColorMapObject *genDefColorMap(void) { - ColorMapObject *cmap = GifMakeMapObject(256, NULL); - if (cmap != NULL) { - int iColor; - for (iColor = 0; iColor < 256; iColor++) { - cmap->Colors[iColor].Red = (GifByteType) iColor; - cmap->Colors[iColor].Green = (GifByteType) iColor; - cmap->Colors[iColor].Blue = (GifByteType) iColor; - } - } - return cmap; -} - -jint gifOnJNILoad(JavaVM *vm, void *reserved, JNIEnv *env) { - defaultCmap = genDefColorMap(); - if (defaultCmap == NULL) { - return -1; - } - return JNI_VERSION_1_6; -} - -void gifOnJNIUnload(JavaVM *vm, void *reserved) { - GifFreeMapObject(defaultCmap); -} - -static int fileReadFunc(GifFileType *gif, GifByteType *bytes, int size) { - FILE *file = (FILE *)gif->UserData; - return fread(bytes, 1, size, file); -} - -static int fileRewindFun(GifInfo *info) { - return fseek(info->gifFilePtr->UserData, info->startPos, SEEK_SET); -} - -static unsigned long getRealTime() { - struct timespec ts; - const clockid_t id = CLOCK_MONOTONIC; - if (id != (clockid_t) - 1 && clock_gettime(id, &ts) != -1) { - return ts.tv_sec * 1000 + ts.tv_nsec / 1000000; - } - return -1; -} - -static void cleanUp(GifInfo *info) { - if (info->backupPtr) { - free(info->backupPtr); - info->backupPtr = NULL; - } - if (info->infos) { - free(info->infos); - info->infos = NULL; - } - if (info->rasterBits) { - free(info->rasterBits); - info->rasterBits = NULL; - } - if (info->comment) { - free(info->comment); - info->comment = NULL; - } - - GifFileType *GifFile = info->gifFilePtr; - if (GifFile->SColorMap == defaultCmap) { - GifFile->SColorMap = NULL; - } - if (GifFile->SavedImages != NULL) { - SavedImage *sp; - for (sp = GifFile->SavedImages; sp < GifFile->SavedImages + GifFile->ImageCount; sp++) { - if (sp->ImageDesc.ColorMap != NULL) { - GifFreeMapObject(sp->ImageDesc.ColorMap); - sp->ImageDesc.ColorMap = NULL; - } - } - free(GifFile->SavedImages); - GifFile->SavedImages = NULL; - } - DGifCloseFile(GifFile); - free(info); -} - -static int getComment(GifByteType *Bytes, char **cmt) { - unsigned int len = (unsigned int) Bytes[0]; - unsigned int offset = *cmt != NULL ? strlen(*cmt) : 0; - char *ret = realloc(*cmt, (len + offset + 1) * sizeof(char)); - if (ret != NULL) { - memcpy(ret + offset, &Bytes[1], len); - ret[len + offset] = 0; - *cmt = ret; - return GIF_OK; - } - return GIF_ERROR; -} - -static void packARGB32(argb *pixel, GifByteType alpha, GifByteType red, GifByteType green, GifByteType blue) { - pixel->alpha = alpha; - pixel->red = red; - pixel->green = green; - pixel->blue = blue; -} - -static void getColorFromTable(int idx, argb *dst, const ColorMapObject *cmap) { - int colIdx = (idx >= cmap->ColorCount) ? 0 : idx; - GifColorType *col = &cmap->Colors[colIdx]; - packARGB32(dst, 0xFF, col->Red, col->Green, col->Blue); -} - -static void eraseColor(argb *bm, int w, int h, argb color) { - int i; - for (i = 0; i < w * h; i++) { - *(bm + i) = color; - } -} - -static inline bool setupBackupBmp(GifInfo *info, short transpIndex) { - GifFileType *fGIF = info->gifFilePtr; - info->backupPtr = calloc(fGIF->SWidth * fGIF->SHeight, sizeof(argb)); - if (!info->backupPtr) { - info->gifFilePtr->Error = D_GIF_ERR_NOT_ENOUGH_MEM; - return false; - } - argb paintingColor; - if (transpIndex == -1) { - getColorFromTable(fGIF->SBackGroundColor, &paintingColor, fGIF->SColorMap); - } else { - packARGB32(&paintingColor, 0, 0, 0, 0); - } - eraseColor(info->backupPtr, fGIF->SWidth, fGIF->SHeight, paintingColor); - return true; -} - -static int readExtensions(int ExtFunction, GifByteType *ExtData, GifInfo *info) { - if (ExtData == NULL) { - return GIF_OK; - } - if (ExtFunction == GRAPHICS_EXT_FUNC_CODE && ExtData[0] == 4) { - FrameInfo *fi = &info->infos[info->gifFilePtr->ImageCount]; - fi->transpIndex = -1; - char *b = (char*) ExtData + 1; - short delay = ((b[2] << 8) | b[1]); - fi->duration = delay > 1 ? delay * 10 : 100; - fi->disposalMethod = ((b[0] >> 2) & 7); - if (ExtData[1] & 1) { - fi->transpIndex = 0xff & b[3]; - } - if (fi->disposalMethod == 3 && info->backupPtr == NULL) { - if (!setupBackupBmp(info, fi->transpIndex)) { - return GIF_ERROR; - } - } - } else if (ExtFunction == COMMENT_EXT_FUNC_CODE) { - if (getComment(ExtData, &info->comment) == GIF_ERROR) { - info->gifFilePtr->Error = D_GIF_ERR_NOT_ENOUGH_MEM; - return GIF_ERROR; - } - } else if (ExtFunction == APPLICATION_EXT_FUNC_CODE && ExtData[0] == 11) { - if (strncmp("NETSCAPE2.0", &ExtData[1], 11) == 0 || strncmp("ANIMEXTS1.0", &ExtData[1], 11) == 0) { - if (DGifGetExtensionNext(info->gifFilePtr, &ExtData, &ExtFunction) == GIF_ERROR) { - return GIF_ERROR; - } - if (ExtFunction == APPLICATION_EXT_FUNC_CODE && ExtData[0] == 3 && ExtData[1] == 1) { - info->loopCount = (unsigned short) (ExtData[2] + (ExtData[3] << 8)); - } - } - } - return GIF_OK; -} - -static int DDGifSlurp(GifFileType *GifFile, GifInfo* info, bool shouldDecode) { - GifRecordType RecordType; - GifByteType *ExtData; - int codeSize; - int ExtFunction; - size_t ImageSize; - do { - if (DGifGetRecordType(GifFile, &RecordType) == GIF_ERROR) { - return (GIF_ERROR); - } - switch (RecordType) { - case IMAGE_DESC_RECORD_TYPE: - - if (DGifGetImageDesc(GifFile, !shouldDecode) == GIF_ERROR) { - return (GIF_ERROR); - } - int i = shouldDecode ? info->currentIndex : GifFile->ImageCount - 1; - SavedImage *sp = &GifFile->SavedImages[i]; - ImageSize = sp->ImageDesc.Width * sp->ImageDesc.Height; - - if (sp->ImageDesc.Width < 1 || sp->ImageDesc.Height < 1 || ImageSize > (SIZE_MAX / sizeof(GifPixelType))) { - GifFile->Error = D_GIF_ERR_INVALID_IMG_DIMS; - return GIF_ERROR; - } - if (sp->ImageDesc.Width > GifFile->SWidth || sp->ImageDesc.Height > GifFile->SHeight) { - GifFile->Error = D_GIF_ERR_IMG_NOT_CONFINED; - return GIF_ERROR; - } - if (shouldDecode) { - sp->RasterBits = info->rasterBits; - if (sp->ImageDesc.Interlace) { - int i, j; - int InterlacedOffset[] = { 0, 4, 2, 1 }; - int InterlacedJumps[] = { 8, 8, 4, 2 }; - for (i = 0; i < 4; i++) { - for (j = InterlacedOffset[i]; j < sp->ImageDesc.Height; j += InterlacedJumps[i]) { - if (DGifGetLine(GifFile, sp->RasterBits + j * sp->ImageDesc.Width, sp->ImageDesc.Width) == GIF_ERROR) { - return GIF_ERROR; - } - } - } - } else { - if (DGifGetLine(GifFile, sp->RasterBits, ImageSize) == GIF_ERROR) { - return (GIF_ERROR); - } - } - if (info->currentIndex >= GifFile->ImageCount - 1) { - if (info->loopCount > 0) { - info->currentLoop++; - } - if (fileRewindFun(info) != 0) { - info->gifFilePtr->Error = D_GIF_ERR_READ_FAILED; - return GIF_ERROR; - } - } - return GIF_OK; - } else { - if (DGifGetCode(GifFile, &codeSize, &ExtData) == GIF_ERROR) { - return (GIF_ERROR); - } - while (ExtData != NULL) { - if (DGifGetCodeNext(GifFile, &ExtData) == GIF_ERROR) { - return (GIF_ERROR); - } - } - } - break; - - case EXTENSION_RECORD_TYPE: - if (DGifGetExtension(GifFile, &ExtFunction, &ExtData) == GIF_ERROR) { - return (GIF_ERROR); - } - - if (!shouldDecode) { - FrameInfo *tmpInfos = realloc(info->infos, (GifFile->ImageCount + 1) * sizeof(FrameInfo)); - if (tmpInfos == NULL) { - return GIF_ERROR; - } - info->infos = tmpInfos; - if (readExtensions(ExtFunction, ExtData, info) == GIF_ERROR) { - return GIF_ERROR; - } - } - while (ExtData != NULL) { - if (DGifGetExtensionNext(GifFile, &ExtData, &ExtFunction) == GIF_ERROR) { - return (GIF_ERROR); - } - if (!shouldDecode) { - if (readExtensions(ExtFunction, ExtData, info) == GIF_ERROR) { - return GIF_ERROR; - } - } - } - break; - - case TERMINATE_RECORD_TYPE: - break; - - default: - break; - } - } while (RecordType != TERMINATE_RECORD_TYPE); - bool ok = true; - if (shouldDecode) { - ok = (fileRewindFun(info) == 0); - } - if (ok) { - return (GIF_OK); - } else { - info->gifFilePtr->Error = D_GIF_ERR_READ_FAILED; - return (GIF_ERROR); - } -} - -static void copyLine(argb *dst, const unsigned char *src, const ColorMapObject *cmap, int transparent, int width) { - for (; width > 0; width--, src++, dst++) { - if (*src != transparent) { - getColorFromTable(*src, dst, cmap); - } - } -} - -static argb *getAddr(argb *bm, int width, int left, int top) { - return bm + top * width + left; -} - -static void blitNormal(argb *bm, int width, int height, const SavedImage *frame, const ColorMapObject *cmap, int transparent) { - const unsigned char* src = (unsigned char*) frame->RasterBits; - argb *dst = getAddr(bm, width, frame->ImageDesc.Left, frame->ImageDesc.Top); - GifWord copyWidth = frame->ImageDesc.Width; - if (frame->ImageDesc.Left + copyWidth > width) { - copyWidth = width - frame->ImageDesc.Left; - } - - GifWord copyHeight = frame->ImageDesc.Height; - if (frame->ImageDesc.Top + copyHeight > height) { - copyHeight = height - frame->ImageDesc.Top; - } - - for (; copyHeight > 0; copyHeight--) { - copyLine(dst, src, cmap, transparent, copyWidth); - src += frame->ImageDesc.Width; - dst += width; - } -} - -static void fillRect(argb *bm, int bmWidth, int bmHeight, GifWord left, GifWord top, GifWord width, GifWord height, argb col) { - uint32_t* dst = (uint32_t*) getAddr(bm, bmWidth, left, top); - GifWord copyWidth = width; - if (left + copyWidth > bmWidth) { - copyWidth = bmWidth - left; - } - - GifWord copyHeight = height; - if (top + copyHeight > bmHeight) { - copyHeight = bmHeight - top; - } - uint32_t* pColor = (uint32_t *) (&col); - for (; copyHeight > 0; copyHeight--) { - memset(dst, *pColor, copyWidth * sizeof(argb)); - dst += bmWidth; - } -} - -static void drawFrame(argb *bm, int bmWidth, int bmHeight, const SavedImage *frame, const ColorMapObject *cmap, short transpIndex) { - if (frame->ImageDesc.ColorMap != NULL) { - cmap = frame->ImageDesc.ColorMap; - if (cmap->ColorCount != (1 << cmap->BitsPerPixel)) { - cmap = defaultCmap; - } - } - blitNormal(bm, bmWidth, bmHeight, frame, cmap, transpIndex); -} - -static bool checkIfCover(const SavedImage *target, const SavedImage *covered) { - if (target->ImageDesc.Left <= covered->ImageDesc.Left - && covered->ImageDesc.Left + covered->ImageDesc.Width - <= target->ImageDesc.Left + target->ImageDesc.Width - && target->ImageDesc.Top <= covered->ImageDesc.Top - && covered->ImageDesc.Top + covered->ImageDesc.Height - <= target->ImageDesc.Top + target->ImageDesc.Height) { - return true; - } - return false; -} - -static inline void disposeFrameIfNeeded(argb *bm, GifInfo *info, unsigned int idx) { - argb* backup = info->backupPtr; - argb color; - packARGB32(&color, 0, 0, 0, 0); - GifFileType *fGif = info->gifFilePtr; - SavedImage* cur = &fGif->SavedImages[idx - 1]; - SavedImage* next = &fGif->SavedImages[idx]; - bool curTrans = info->infos[idx - 1].transpIndex != -1; - int curDisposal = info->infos[idx - 1].disposalMethod; - bool nextTrans = info->infos[idx].transpIndex != -1; - int nextDisposal = info->infos[idx].disposalMethod; - argb *tmp; - if ((curDisposal == 2 || curDisposal == 3) && (nextTrans || !checkIfCover(next, cur))) { - switch (curDisposal) { - case 2: - - fillRect(bm, fGif->SWidth, fGif->SHeight, cur->ImageDesc.Left, cur->ImageDesc.Top, cur->ImageDesc.Width, cur->ImageDesc.Height, color); - break; - - case 3: - tmp = bm; - bm = backup; - backup = tmp; - break; - } - } - - if (nextDisposal == 3) { - memcpy(backup, bm, fGif->SWidth * fGif->SHeight * sizeof(argb)); - } -} - -static void reset(GifInfo *info) { - if (fileRewindFun(info) != 0) { - return; - } - info->nextStartTime = 0; - info->currentLoop = -1; - info->currentIndex = -1; -} - -static void getBitmap(argb *bm, GifInfo *info) { - GifFileType* fGIF = info->gifFilePtr; - - argb paintingColor; - int i = info->currentIndex; - if (DDGifSlurp(fGIF, info, true) == GIF_ERROR) { - return; - } - SavedImage* cur = &fGIF->SavedImages[i]; - int transpIndex = info->infos[i].transpIndex; - if (i == 0) { - if (transpIndex == -1) { - getColorFromTable(fGIF->SBackGroundColor, &paintingColor, fGIF->SColorMap); - } else { - packARGB32(&paintingColor, 0, 0, 0, 0); - } - eraseColor(bm, fGIF->SWidth, fGIF->SHeight, paintingColor); - } else { - disposeFrameIfNeeded(bm, info, i); - } - drawFrame(bm, fGIF->SWidth, fGIF->SHeight, cur, fGIF->SColorMap, transpIndex); -} - -static void setMetaData(int width, int height, int ImageCount, int errorCode, JNIEnv *env, jintArray metaData) { - jint *const ints = (*env)->GetIntArrayElements(env, metaData, 0); - if (ints == NULL) { - return; - } - ints[0] = width; - ints[1] = height; - ints[2] = ImageCount; - ints[3] = errorCode; - (*env)->ReleaseIntArrayElements(env, metaData, ints, 0); -} - -static jint open(GifFileType *GifFileIn, int Error, int startPos, JNIEnv *env, jintArray metaData) { - if (startPos < 0) { - Error = D_GIF_ERR_NOT_READABLE; - DGifCloseFile(GifFileIn); - } - if (Error != 0 || GifFileIn == NULL) { - setMetaData(0, 0, 0, Error, env, metaData); - return (jint) NULL; - } - int width = GifFileIn->SWidth, height = GifFileIn->SHeight; - unsigned int wxh = width * height; - if (wxh < 1 || wxh > INT_MAX) { - DGifCloseFile(GifFileIn); - setMetaData(width, height, 0, D_GIF_ERR_INVALID_SCR_DIMS, env, metaData); - return (jint) NULL; - } - GifInfo *info = malloc(sizeof(GifInfo)); - if (info == NULL) { - DGifCloseFile(GifFileIn); - setMetaData(width, height, 0, D_GIF_ERR_NOT_ENOUGH_MEM, env, metaData); - return (jint) NULL; - } - info->gifFilePtr = GifFileIn; - info->startPos = startPos; - info->currentIndex = -1; - info->nextStartTime = 0; - info->lastFrameReaminder = ULONG_MAX; - info->comment = NULL; - info->loopCount = 0; - info->currentLoop = -1; - info->speedFactor = 1.0; - info->rasterBits = calloc(GifFileIn->SHeight * GifFileIn->SWidth, sizeof(GifPixelType)); - info->infos = malloc(sizeof(FrameInfo)); - info->backupPtr = NULL; - - if (info->rasterBits == NULL || info->infos == NULL) { - cleanUp(info); - setMetaData(width, height, 0, D_GIF_ERR_NOT_ENOUGH_MEM, env, metaData); - return (jint) NULL; - } - info->infos->duration = 0; - info->infos->disposalMethod = 0; - info->infos->transpIndex = -1; - if (GifFileIn->SColorMap == NULL || GifFileIn->SColorMap->ColorCount != (1 << GifFileIn->SColorMap->BitsPerPixel)) { - GifFreeMapObject(GifFileIn->SColorMap); - GifFileIn->SColorMap = defaultCmap; - } - - DDGifSlurp(GifFileIn, info, false); - - int imgCount = GifFileIn->ImageCount; - - if (imgCount < 1) { - Error = D_GIF_ERR_NO_FRAMES; - } - if (fileRewindFun(info) != 0) { - Error = D_GIF_ERR_READ_FAILED; - } - if (Error != 0) { - cleanUp(info); - } - setMetaData(width, height, imgCount, Error, env, metaData); - return (jint)(Error == 0 ? info : NULL); -} - -JNIEXPORT jlong JNICALL Java_org_telegram_ui_Components_GifDrawable_getAllocationByteCount(JNIEnv *env, jclass class, jobject gifInfo) { - GifInfo *info = (GifInfo *)gifInfo; - if (info == NULL) { - return 0; - } - unsigned int pxCount = info->gifFilePtr->SWidth + info->gifFilePtr->SHeight; - jlong sum = pxCount * sizeof(char); - if (info->backupPtr != NULL) { - sum += pxCount * sizeof(argb); - } - return sum; -} - -JNIEXPORT void JNICALL Java_org_telegram_ui_Components_GifDrawable_reset(JNIEnv *env, jclass class, jobject gifInfo) { - GifInfo *info = (GifInfo *)gifInfo; - if (info == NULL) { - return; - } - reset(info); -} - -JNIEXPORT void JNICALL Java_org_telegram_ui_Components_GifDrawable_setSpeedFactor(JNIEnv *env, jclass class, jobject gifInfo, jfloat factor) { - GifInfo *info = (GifInfo *)gifInfo; - if (info == NULL) { - return; - } - info->speedFactor = factor; -} - -JNIEXPORT void JNICALL Java_org_telegram_ui_Components_GifDrawable_seekToTime(JNIEnv *env, jclass class, jobject gifInfo, jint desiredPos, jintArray jPixels) { - GifInfo *info = (GifInfo *)gifInfo; - if (info == NULL || jPixels == NULL) { - return; - } - int imgCount = info->gifFilePtr->ImageCount; - if (imgCount <= 1) { - return; - } - - unsigned long sum = 0; - int i; - for (i = 0; i < imgCount; i++) { - unsigned long newSum = sum + info->infos[i].duration; - if (newSum >= desiredPos) { - break; - } - sum = newSum; - } - if (i < info->currentIndex) { - return; - } - - unsigned long lastFrameRemainder = desiredPos - sum; - if (i == imgCount - 1 && lastFrameRemainder > info->infos[i].duration) { - lastFrameRemainder = info->infos[i].duration; - } - if (i > info->currentIndex) { - jint *const pixels = (*env)->GetIntArrayElements(env, jPixels, 0); - if (pixels == NULL) { - return; - } - while (info->currentIndex <= i) { - info->currentIndex++; - getBitmap((argb*) pixels, info); - } - (*env)->ReleaseIntArrayElements(env, jPixels, pixels, 0); - } - info->lastFrameReaminder = lastFrameRemainder; - - if (info->speedFactor == 1.0) { - info->nextStartTime = getRealTime() + lastFrameRemainder; - } else { - info->nextStartTime = getRealTime() + lastFrameRemainder * info->speedFactor; - } -} - -JNIEXPORT void JNICALL Java_org_telegram_ui_Components_GifDrawable_seekToFrame(JNIEnv *env, jclass class, jobject gifInfo, jint desiredIdx, jintArray jPixels) { - GifInfo *info = (GifInfo *)gifInfo; - if (info == NULL|| jPixels==NULL) { - return; - } - if (desiredIdx <= info->currentIndex) { - return; - } - - int imgCount = info->gifFilePtr->ImageCount; - if (imgCount <= 1) { - return; - } - - jint *const pixels = (*env)->GetIntArrayElements(env, jPixels, 0); - if (pixels == NULL) { - return; - } - - info->lastFrameReaminder = 0; - if (desiredIdx >= imgCount) { - desiredIdx = imgCount - 1; - } - - while (info->currentIndex < desiredIdx) { - info->currentIndex++; - getBitmap((argb *) pixels, info); - } - (*env)->ReleaseIntArrayElements(env, jPixels, pixels, 0); - if (info->speedFactor == 1.0) { - info->nextStartTime = getRealTime() + info->infos[info->currentIndex].duration; - } else { - info->nextStartTime = getRealTime() + info->infos[info->currentIndex].duration * info->speedFactor; - } -} - -JNIEXPORT void JNICALL Java_org_telegram_ui_Components_GifDrawable_renderFrame(JNIEnv *env, jclass class, jintArray jPixels, jobject gifInfo, jintArray metaData) { - GifInfo *info = (GifInfo *)gifInfo; - if (info == NULL || jPixels == NULL) { - return; - } - bool needRedraw = false; - unsigned long rt = getRealTime(); - - if (rt >= info->nextStartTime && info->currentLoop < info->loopCount) { - if (++info->currentIndex >= info->gifFilePtr->ImageCount) { - info->currentIndex = 0; - } - needRedraw = true; - } - jint *const rawMetaData = (*env)->GetIntArrayElements(env, metaData, 0); - if (rawMetaData == NULL) { - return; - } - - if (needRedraw) { - jint *const pixels = (*env)->GetIntArrayElements(env, jPixels, 0); - if (pixels == NULL) { - (*env)->ReleaseIntArrayElements(env, metaData, rawMetaData, 0); - return; - } - getBitmap((argb *)pixels, info); - rawMetaData[3] = info->gifFilePtr->Error; - - (*env)->ReleaseIntArrayElements(env, jPixels, pixels, 0); - unsigned int scaledDuration = info->infos[info->currentIndex].duration; - if (info->speedFactor != 1.0) { - scaledDuration /= info->speedFactor; - if (scaledDuration<=0) { - scaledDuration=1; - } else if (scaledDuration > INT_MAX) { - scaledDuration = INT_MAX; - } - } - info->nextStartTime = rt + scaledDuration; - rawMetaData[4] = scaledDuration; - } else { - long delay = info->nextStartTime-rt; - if (delay < 0) { - rawMetaData[4] = -1; - } else { - rawMetaData[4] = (int) delay; - } - } - (*env)->ReleaseIntArrayElements(env, metaData, rawMetaData, 0); -} - -JNIEXPORT void JNICALL Java_org_telegram_ui_Components_GifDrawable_free(JNIEnv *env, jclass class, jobject gifInfo) { - if (gifInfo == NULL) { - return; - } - GifInfo *info = (GifInfo *)gifInfo; - FILE *file = info->gifFilePtr->UserData; - if (file) { - fclose(file); - } - info->gifFilePtr->UserData = NULL; - cleanUp(info); -} - -JNIEXPORT jstring JNICALL Java_org_telegram_ui_Components_GifDrawable_getComment(JNIEnv *env, jclass class, jobject gifInfo) { - if (gifInfo == NULL) { - return NULL; - } - GifInfo *info = (GifInfo *)gifInfo; - return (*env)->NewStringUTF(env, info->comment); -} - -JNIEXPORT jint JNICALL Java_org_telegram_ui_Components_GifDrawable_getLoopCount(JNIEnv *env, jclass class, jobject gifInfo) { - if (gifInfo == NULL) { - return 0; - } - return ((GifInfo *)gifInfo)->loopCount; -} - -JNIEXPORT jint JNICALL Java_org_telegram_ui_Components_GifDrawable_getDuration(JNIEnv *env, jclass class, jobject gifInfo) { - GifInfo *info = (GifInfo *)gifInfo; - if (info == NULL) { - return 0; - } - int i; - unsigned long sum = 0; - for (i = 0; i < info->gifFilePtr->ImageCount; i++) { - sum += info->infos[i].duration; - } - return sum; -} - -JNIEXPORT jint JNICALL Java_org_telegram_ui_Components_GifDrawable_getCurrentPosition(JNIEnv *env, jclass class, jobject gifInfo) { - GifInfo *info = (GifInfo *)gifInfo; - if (info == NULL) { - return 0; - } - int idx = info->currentIndex; - if (idx < 0 || info->gifFilePtr->ImageCount <= 1) { - return 0; - } - int i; - unsigned int sum = 0; - for (i = 0; i < idx; i++) { - sum += info->infos[i].duration; - } - unsigned long remainder = info->lastFrameReaminder == ULONG_MAX ? getRealTime() - info->nextStartTime : info->lastFrameReaminder; - return (int) (sum + remainder); -} - -JNIEXPORT void JNICALL Java_org_telegram_ui_Components_GifDrawable_saveRemainder(JNIEnv *env, jclass class, jobject gifInfo) { - GifInfo *info = (GifInfo *)gifInfo; - if (info == NULL) { - return; - } - info->lastFrameReaminder = getRealTime() - info->nextStartTime; -} - -JNIEXPORT void JNICALL Java_org_telegram_ui_Components_GifDrawable_restoreRemainder(JNIEnv *env, jclass class, jobject gifInfo) { - GifInfo *info = (GifInfo *)gifInfo; - if (info == NULL || info->lastFrameReaminder == ULONG_MAX) { - return; - } - info->nextStartTime = getRealTime() + info->lastFrameReaminder; - info->lastFrameReaminder = ULONG_MAX; -} - -JNIEXPORT jint JNICALL Java_org_telegram_ui_Components_GifDrawable_openFile(JNIEnv *env, jclass class, jintArray metaData, jstring jfname) { - if (jfname == NULL) { - setMetaData(0, 0, 0, D_GIF_ERR_OPEN_FAILED, env, metaData); - return (jint) NULL; - } - - const char *const fname = (*env)->GetStringUTFChars(env, jfname, 0); - FILE *file = fopen(fname, "rb"); - (*env)->ReleaseStringUTFChars(env, jfname, fname); - if (file == NULL) { - setMetaData(0, 0, 0, D_GIF_ERR_OPEN_FAILED, env, metaData); - return (jint) NULL; - } - int Error = 0; - GifFileType *GifFileIn = DGifOpen(file, &fileReadFunc, &Error); - return open(GifFileIn, Error, ftell(file), env, metaData); -} |