Refactor
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/*
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* Copyright 2015 Hippo Seven
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//
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// Created by Hippo on 12/27/2015.
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//
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#include <stdlib.h>
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#include <android/bitmap.h>
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#include <GLES2/gl2.h>
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#include "java_wrapper.h"
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#include "image.h"
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#include "log.h"
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static JavaVM* jvm;
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static void* tile_buffer;
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JNIEnv *obtain_env(bool *attach)
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{
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JNIEnv *env;
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switch ((*jvm)->GetEnv(jvm, (void**) &env, JNI_VERSION_1_6)) {
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case JNI_EDETACHED:
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if ((*jvm)->AttachCurrentThread(jvm, &env, NULL) == JNI_OK) {
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*attach = true;
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return env;
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} else {
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return NULL;
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}
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case JNI_OK:
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*attach = false;
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return env;
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default:
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case JNI_EVERSION:
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return NULL;
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}
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}
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void release_env()
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{
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(*jvm)->DetachCurrentThread(jvm);
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}
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jobject create_image_object(JNIEnv* env, void* ptr, int format, int width, int height)
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{
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jclass image_clazz;
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jmethodID constructor;
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image_clazz = (*env)->FindClass(env, "com/hippo/image/Image");
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constructor = (*env)->GetMethodID(env, image_clazz, "<init>", "(JIII)V");
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if (constructor == 0) {
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LOGE(MSG("Can't find Image object constructor"));
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return NULL;
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} else {
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return (*env)->NewObject(env, image_clazz, constructor,
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(jlong) (uintptr_t) ptr, (jint) format, (jint) width, (jint) height);
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}
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}
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JNIEXPORT jobject JNICALL
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Java_com_hippo_image_Image_nativeDecode(JNIEnv* env,
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jclass clazz, jint fd, jboolean partially)
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{
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int format;
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void* image;
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jobject image_object;
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image = decode(env, fd, partially, &format);
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if (image == NULL) {
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return NULL;
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}
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image_object = create_image_object(env, image, format,
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get_width(image, format), get_height(image, format));
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if (image_object == NULL) {
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recycle(env, image, format);
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return NULL;
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} else {
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return image_object;
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}
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}
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JNIEXPORT jobject JNICALL
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Java_com_hippo_image_Image_nativeCreate(JNIEnv* env,
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jclass clazz, jobject bitmap)
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{
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AndroidBitmapInfo info;
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void *pixels = NULL;
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void* image = NULL;
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jobject image_object;
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AndroidBitmap_getInfo(env, bitmap, &info);
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AndroidBitmap_lockPixels(env, bitmap, &pixels);
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if (pixels == NULL) {
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LOGE(MSG("Can't lock bitmap pixels"));
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return NULL;
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}
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image = create(info.width, info.height, pixels);
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AndroidBitmap_unlockPixels(env, bitmap);
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if (image == NULL) {
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return NULL;
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}
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image_object = create_image_object(env, image, IMAGE_FORMAT_PLAIN,
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info.width, info.height);
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if (image_object == NULL) {
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recycle(env, image, IMAGE_FORMAT_PLAIN);
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return NULL;
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} else {
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return image_object;
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}
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}
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JNIEXPORT jboolean JNICALL
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Java_com_hippo_image_Image_nativeComplete(JNIEnv* env,
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jclass clazz, jlong ptr, jint format)
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{
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return (jboolean) complete(env, (void*) (intptr_t) ptr, format);
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}
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JNIEXPORT jboolean JNICALL
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Java_com_hippo_image_Image_nativeIsCompleted(JNIEnv* env,
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jclass clazz, jlong ptr, jint format)
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{
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return (jboolean) is_completed((void*) (intptr_t) ptr, format);
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}
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JNIEXPORT jint JNICALL
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Java_com_hippo_image_Image_nativeGetByteCount(JNIEnv* env,
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jclass clazz, jlong ptr, jint format)
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{
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return (jint) get_byte_count((void*) (intptr_t) ptr, format);
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}
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JNIEXPORT void JNICALL
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Java_com_hippo_image_Image_nativeRender(JNIEnv* env,
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jclass clazz, jlong ptr, jint format,
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jint src_x, jint src_y, jobject dst, jint dst_x, jint dst_y,
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jint width, jint height, jboolean fill_blank, jint default_color)
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{
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AndroidBitmapInfo info;
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void *pixels = NULL;
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AndroidBitmap_getInfo(env, dst, &info);
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AndroidBitmap_lockPixels(env, dst, &pixels);
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if (pixels == NULL) {
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LOGE(MSG("Can't lock bitmap pixels"));
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return;
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}
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render((void*) (intptr_t) ptr, format, src_x, src_y,
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pixels, info.width, info.height, dst_x, dst_y,
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width, height, fill_blank, default_color);
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AndroidBitmap_unlockPixels(env, dst);
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return;
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}
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JNIEXPORT void JNICALL
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Java_com_hippo_image_Image_nativeTexImage(JNIEnv* env,
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jclass clazz, jlong ptr, jint format, jboolean init,
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jint src_x, jint src_y, jint width, jint height)
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{
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// Check tile_buffer NULL
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if (NULL == tile_buffer) {
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return;
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}
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// Check render size
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if (width * height > IMAGE_TILE_MAX_SIZE) {
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return;
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}
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render((void*) (intptr_t) ptr, format, src_x, src_y,
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tile_buffer, width, height, 0, 0,
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width, height, false, 0);
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if (init) {
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glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height,
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0, GL_RGBA, GL_UNSIGNED_BYTE, tile_buffer);
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} else {
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glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height,
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GL_RGBA, GL_UNSIGNED_BYTE, tile_buffer);
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}
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}
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JNIEXPORT void JNICALL
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Java_com_hippo_image_Image_nativeAdvance(JNIEnv* env,
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jclass clazz, jlong ptr, jint format)
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{
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advance((void*) (intptr_t) ptr, format);
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}
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JNIEXPORT jint JNICALL
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Java_com_hippo_image_Image_nativeGetDelay(JNIEnv* env,
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jclass clazz, jlong ptr, jint format)
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{
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return (jint) get_delay((void*) (intptr_t) ptr, format);
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}
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JNIEXPORT jint JNICALL
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Java_com_hippo_image_Image_nativeFrameCount(JNIEnv* env,
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jclass clazz, jlong ptr, jint format)
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{
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return (jint) get_frame_count((void*) (intptr_t) ptr, format);
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}
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JNIEXPORT jboolean JNICALL
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Java_com_hippo_image_Image_nativeIsOpaque(JNIEnv* env,
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jclass clazz, jlong ptr, jint format)
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{
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return (jboolean) is_opaque((void*) (intptr_t) ptr, format);
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}
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JNIEXPORT jboolean JNICALL
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Java_com_hippo_image_Image_nativeIsGray(JNIEnv* env,
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jclass clazz, jlong ptr, jint format, jint error)
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{
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return (jboolean) is_gray((void*) (intptr_t) ptr, format, error);
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}
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JNIEXPORT void JNICALL
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Java_com_hippo_image_Image_nativeClahe(JNIEnv* env,
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jclass clazz, jlong ptr, jint format, jboolean to_gray)
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{
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clahe((void*) (intptr_t) ptr, format, to_gray);
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}
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JNIEXPORT void JNICALL
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Java_com_hippo_image_Image_nativeRecycle(JNIEnv* env,
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jclass clazz, jlong ptr, jint format)
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{
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recycle(env, (void*) (intptr_t) ptr, format);
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}
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bool image_onLoad(JavaVM *vm)
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{
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jvm = vm;
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tile_buffer = malloc(IMAGE_TILE_MAX_SIZE * 4);
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return true;
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}
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JNIEXPORT void JNICALL
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JNI_OnUnload(JavaVM *vm, void *reserved)
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{
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free(tile_buffer);
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tile_buffer = NULL;
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}
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