10f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh/* 20f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh * Copyright (C) 2010 The Android Open Source Project 30f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh * 40f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh * Licensed under the Apache License, Version 2.0 (the "License"); 50f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh * you may not use this file except in compliance with the License. 60f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh * You may obtain a copy of the License at 70f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh * 80f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh * http://www.apache.org/licenses/LICENSE-2.0 90f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh * 100f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh * Unless required by applicable law or agreed to in writing, software 110f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh * distributed under the License is distributed on an "AS IS" BASIS, 120f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 130f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh * See the License for the specific language governing permissions and 140f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh * limitations under the License. 150f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh */ 160f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 170f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh#include <android/bitmap.h> 180f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh#include <jni.h> 190f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 200f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh#include "utils.h" 210f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh#include "_jni.h" 220f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 230f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsiehusing android::apps::photoeditor::utils::LockBitmaps; 240f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsiehusing android::apps::photoeditor::utils::pixel32_t; 250f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsiehusing android::apps::photoeditor::utils::UnlockBitmaps; 260f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 270f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsiehnamespace { 280f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 290f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsiehextern "C" JNIEXPORT void JNICALL Java_com_android_photoeditor_filters_ImageUtils_nativeDuotone( 300f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh JNIEnv *env, jobject obj, jobject src_bitmap, jobject dst_bitmap, jint color1, jint color2) { 310f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh pDuotoneType f = (pDuotoneType)JNIFunc[JNI_Duotone].func_ptr; 320f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh return f(env, obj, src_bitmap, dst_bitmap, color1, color2); 330f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh} 340f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 350f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsiehextern "C" void Duotone( 360f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh JNIEnv *env, jobject obj, jobject src_bitmap, jobject dst_bitmap, jint color1, jint color2) { 370f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh AndroidBitmapInfo src_info; 380f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh AndroidBitmapInfo dst_info; 390f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh void* src_pixels; 400f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh void* dst_pixels; 410f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 420f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh int ret = LockBitmaps( 430f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh env, src_bitmap, dst_bitmap, &src_info, &dst_info, &src_pixels, &dst_pixels); 440f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh if (ret < 0) { 450f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh LOGE("LockBitmaps in Duotone failed, error=%d", ret); 460f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh return; 470f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh } 480f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 490f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh uint8_t red1 = static_cast<uint8_t>(color1 >> 16) & 0xff; 500f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh uint8_t green1 = static_cast<uint8_t>(color1 >> 8) & 0xff; 510f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh uint8_t blue1 = static_cast<uint8_t>(color1) & 0xff; 520f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 530f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh uint8_t red2 = (uint8_t)(color2 >> 16) & 0xff; 540f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh uint8_t green2 = (uint8_t)(color2 >> 8) & 0xff; 550f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh uint8_t blue2 = (uint8_t)color2 & 0xff; 560f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 570f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh int r_delta = red2 - red1; 580f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh int g_delta = green2 - green1; 590f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh int b_delta = blue2 - blue1; 600f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 610f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh const uint32_t kEnergyLevels = 255 * 3 + 1; 620f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh uint8_t r_table[kEnergyLevels]; 630f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh uint8_t g_table[kEnergyLevels]; 640f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh uint8_t b_table[kEnergyLevels]; 650f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh for (uint32_t energy = 0; energy < kEnergyLevels; energy++) { 660f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh r_table[energy] = (uint8_t)(red1 + energy * r_delta / kEnergyLevels); 670f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh g_table[energy] = (uint8_t)(green1 + energy * g_delta / kEnergyLevels); 680f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh b_table[energy] = (uint8_t)(blue1 + energy * b_delta / kEnergyLevels); 690f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh } 700f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 710f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh for (uint32_t scan_line = 0; scan_line < dst_info.height; scan_line++) { 720f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh uint32_t* dst = reinterpret_cast<uint32_t*>(dst_pixels); 730f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh pixel32_t* src = reinterpret_cast<pixel32_t*>(src_pixels); 740f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh pixel32_t* src_line_end = src + src_info.width; 750f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 760f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh while (src < src_line_end) { 770f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh uint32_t energy = src->rgba8[0] + src->rgba8[1] + src->rgba8[2]; 780f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 790f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh int dst_red = r_table[energy]; 800f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh int dst_green = g_table[energy]; 810f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh int dst_blue = b_table[energy]; 820f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 830f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh *dst = (src->rgba8[3] << 24) | (dst_blue << 16) | (dst_green << 8) | dst_red; 840f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh dst++; 850f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh src++; 860f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh } 870f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh dst_pixels = reinterpret_cast<char*>(dst_pixels) + dst_info.stride; 880f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh src_pixels = reinterpret_cast<char*>(src_pixels) + src_info.stride; 890f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh } 900f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 910f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh UnlockBitmaps(env, src_bitmap, dst_bitmap); 920f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh} 930f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh 940f8a40e4cfdc5f6cd47c22e81f69ed0446067c54Andrew Hsieh} // namespace 95