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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "filters.h"
void JNIFUNCF(ImageFilterGeometry, nativeApplyFilterFlip, jobject src, jint srcWidth, jint srcHeight, jobject dst, jint dstWidth, jint dstHeight, jint flip) {
char* destination = 0;
char* source = 0;
int len = dstWidth * dstHeight * 4;
if (srcWidth != dstWidth || srcHeight != dstHeight) {
return;
}
AndroidBitmap_lockPixels(env, src, (void**) &source);
AndroidBitmap_lockPixels(env, dst, (void**) &destination);
int i = 0;
for (; i < len; i += 4) {
int r = source[RED];
int g = source[GREEN];
int b = source[BLUE];
// TODO: implement flip
destination[RED] = 255;
destination[GREEN] = g;
destination[BLUE] = b;
}
AndroidBitmap_unlockPixels(env, dst);
AndroidBitmap_unlockPixels(env, src);
}
void JNIFUNCF(ImageFilterGeometry, nativeApplyFilterRotate, jobject src, jint srcWidth, jint srcHeight, jobject dst, jint dstWidth, jint dstHeight, jfloat rotate) {
char* destination = 0;
char* source = 0;
int len = dstWidth * dstHeight * 4;
AndroidBitmap_lockPixels(env, src, (void**) &source);
AndroidBitmap_lockPixels(env, dst, (void**) &destination);
// TODO: implement rotate
int i = 0;
for (; i < len; i += 4) {
int r = source[RED];
int g = source[GREEN];
int b = source[BLUE];
destination[RED] = r;
destination[GREEN] = 255;
destination[BLUE] = b;
}
AndroidBitmap_unlockPixels(env, dst);
AndroidBitmap_unlockPixels(env, src);
}
void JNIFUNCF(ImageFilterGeometry, nativeApplyFilterCrop, jobject src, jint srcWidth, jint srcHeight, jobject dst, jint dstWidth, jint dstHeight, jint offsetWidth, jint offsetHeight) {
char* destination = 0;
char* source = 0;
int len = dstWidth * dstHeight * 4;
AndroidBitmap_lockPixels(env, src, (void**) &source);
AndroidBitmap_lockPixels(env, dst, (void**) &destination);
// TODO: implement crop
int i = 0;
for (; i < len; i += 4) {
int r = source[RED];
int g = source[GREEN];
int b = source[BLUE];
destination[RED] = r;
destination[GREEN] = g;
destination[BLUE] = 255;
}
AndroidBitmap_unlockPixels(env, dst);
AndroidBitmap_unlockPixels(env, src);
}
void JNIFUNCF(ImageFilterGeometry, nativeApplyFilterStraighten, jobject src, jint srcWidth, jint srcHeight, jobject dst, jint dstWidth, jint dstHeight, jfloat straightenAngle) {
char* destination = 0;
char* source = 0;
int len = dstWidth * dstHeight * 4;
AndroidBitmap_lockPixels(env, src, (void**) &source);
AndroidBitmap_lockPixels(env, dst, (void**) &destination);
// TODO: implement straighten
int i = 0;
for (; i < len; i += 4) {
int r = source[RED];
int g = source[GREEN];
int b = source[BLUE];
destination[RED] = 128;
destination[GREEN] = g;
destination[BLUE] = 128;
}
AndroidBitmap_unlockPixels(env, dst);
AndroidBitmap_unlockPixels(env, src);
}
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