summaryrefslogtreecommitdiffstats
path: root/jni_mosaic/feature_mos/src/mosaic/ImageUtils.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'jni_mosaic/feature_mos/src/mosaic/ImageUtils.cpp')
-rw-r--r--jni_mosaic/feature_mos/src/mosaic/ImageUtils.cpp408
1 files changed, 0 insertions, 408 deletions
diff --git a/jni_mosaic/feature_mos/src/mosaic/ImageUtils.cpp b/jni_mosaic/feature_mos/src/mosaic/ImageUtils.cpp
deleted file mode 100644
index 6d0aac0c1..000000000
--- a/jni_mosaic/feature_mos/src/mosaic/ImageUtils.cpp
+++ /dev/null
@@ -1,408 +0,0 @@
-/*
- * Copyright (C) 2011 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.
- */
-
-///////////////////////////////////////////////////
-// ImageUtils.cpp
-// $Id: ImageUtils.cpp,v 1.12 2011/06/17 13:35:48 mbansal Exp $
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/time.h>
-
-#include "ImageUtils.h"
-
-void ImageUtils::rgba2yvu(ImageType out, ImageType in, int width, int height)
-{
- int r,g,b, a;
- ImageType yimg = out;
- ImageType vimg = yimg + width*height;
- ImageType uimg = vimg + width*height;
- ImageType image = in;
-
- for (int ii = 0; ii < height; ii++) {
- for (int ij = 0; ij < width; ij++) {
- r = (*image++);
- g = (*image++);
- b = (*image++);
- a = (*image++);
-
- if (r < 0) r = 0;
- if (r > 255) r = 255;
- if (g < 0) g = 0;
- if (g > 255) g = 255;
- if (b < 0) b = 0;
- if (b > 255) b = 255;
-
- int val = (int) (REDY * r + GREENY * g + BLUEY * b) / 1000 + 16;
- if (val < 0) val = 0;
- if (val > 255) val = 255;
- *(yimg) = val;
-
- val = (int) (REDV * r - GREENV * g - BLUEV * b) / 1000 + 128;
- if (val < 0) val = 0;
- if (val > 255) val = 255;
- *(vimg) = val;
-
- val = (int) (-REDU * r - GREENU * g + BLUEU * b) / 1000 + 128;
- if (val < 0) val = 0;
- if (val > 255) val = 255;
- *(uimg) = val;
-
- yimg++;
- uimg++;
- vimg++;
- }
- }
-}
-
-
-void ImageUtils::rgb2yvu(ImageType out, ImageType in, int width, int height)
-{
- int r,g,b;
- ImageType yimg = out;
- ImageType vimg = yimg + width*height;
- ImageType uimg = vimg + width*height;
- ImageType image = in;
-
- for (int ii = 0; ii < height; ii++) {
- for (int ij = 0; ij < width; ij++) {
- r = (*image++);
- g = (*image++);
- b = (*image++);
-
- if (r < 0) r = 0;
- if (r > 255) r = 255;
- if (g < 0) g = 0;
- if (g > 255) g = 255;
- if (b < 0) b = 0;
- if (b > 255) b = 255;
-
- int val = (int) (REDY * r + GREENY * g + BLUEY * b) / 1000 + 16;
- if (val < 0) val = 0;
- if (val > 255) val = 255;
- *(yimg) = val;
-
- val = (int) (REDV * r - GREENV * g - BLUEV * b) / 1000 + 128;
- if (val < 0) val = 0;
- if (val > 255) val = 255;
- *(vimg) = val;
-
- val = (int) (-REDU * r - GREENU * g + BLUEU * b) / 1000 + 128;
- if (val < 0) val = 0;
- if (val > 255) val = 255;
- *(uimg) = val;
-
- yimg++;
- uimg++;
- vimg++;
- }
- }
-}
-
-ImageType ImageUtils::rgb2gray(ImageType in, int width, int height)
-{
- int r,g,b, nr, ng, nb, val;
- ImageType gray = NULL;
- ImageType image = in;
- ImageType out = ImageUtils::allocateImage(width, height, 1);
- ImageType outCopy = out;
-
- for (int ii = 0; ii < height; ii++) {
- for (int ij = 0; ij < width; ij++) {
- r = (*image++);
- g = (*image++);
- b = (*image++);
-
- if (r < 0) r = 0;
- if (r > 255) r = 255;
- if (g < 0) g = 0;
- if (g > 255) g = 255;
- if (b < 0) b = 0;
- if (b > 255) b = 255;
-
- (*outCopy) = ( 0.3*r + 0.59*g + 0.11*b);
-
- outCopy++;
- }
- }
-
- return out;
-}
-
-ImageType ImageUtils::rgb2gray(ImageType out, ImageType in, int width, int height)
-{
- int r,g,b, nr, ng, nb, val;
- ImageType gray = out;
- ImageType image = in;
- ImageType outCopy = out;
-
- for (int ii = 0; ii < height; ii++) {
- for (int ij = 0; ij < width; ij++) {
- r = (*image++);
- g = (*image++);
- b = (*image++);
-
- if (r < 0) r = 0;
- if (r > 255) r = 255;
- if (g < 0) g = 0;
- if (g > 255) g = 255;
- if (b < 0) b = 0;
- if (b > 255) b = 255;
-
- (*outCopy) = ( 0.3*r + 0.59*g + 0.11*b);
-
- outCopy++;
- }
- }
-
- return out;
-
-}
-
-ImageType *ImageUtils::imageTypeToRowPointers(ImageType in, int width, int height)
-{
- int i;
- int m_h = height;
- int m_w = width;
-
- ImageType *m_rows = new ImageType[m_h];
-
- for (i=0;i<m_h;i++) {
- m_rows[i] = &in[(m_w)*i];
- }
- return m_rows;
-}
-
-void ImageUtils::yvu2rgb(ImageType out, ImageType in, int width, int height)
-{
- int y,v,u, r, g, b;
- unsigned char *yimg = in;
- unsigned char *vimg = yimg + width*height;
- unsigned char *uimg = vimg + width*height;
- unsigned char *image = out;
-
- for (int i = 0; i < height; i++) {
- for (int j = 0; j < width; j++) {
-
- y = (*yimg);
- v = (*vimg);
- u = (*uimg);
-
- if (y < 0) y = 0;
- if (y > 255) y = 255;
- if (u < 0) u = 0;
- if (u > 255) u = 255;
- if (v < 0) v = 0;
- if (v > 255) v = 255;
-
- b = (int) ( 1.164*(y - 16) + 2.018*(u-128));
- g = (int) ( 1.164*(y - 16) - 0.813*(v-128) - 0.391*(u-128));
- r = (int) ( 1.164*(y - 16) + 1.596*(v-128));
-
- if (r < 0) r = 0;
- if (r > 255) r = 255;
- if (g < 0) g = 0;
- if (g > 255) g = 255;
- if (b < 0) b = 0;
- if (b > 255) b = 255;
-
- *(image++) = r;
- *(image++) = g;
- *(image++) = b;
-
- yimg++;
- uimg++;
- vimg++;
-
- }
- }
-}
-
-void ImageUtils::yvu2bgr(ImageType out, ImageType in, int width, int height)
-{
- int y,v,u, r, g, b;
- unsigned char *yimg = in;
- unsigned char *vimg = yimg + width*height;
- unsigned char *uimg = vimg + width*height;
- unsigned char *image = out;
-
- for (int i = 0; i < height; i++) {
- for (int j = 0; j < width; j++) {
-
- y = (*yimg);
- v = (*vimg);
- u = (*uimg);
-
- if (y < 0) y = 0;
- if (y > 255) y = 255;
- if (u < 0) u = 0;
- if (u > 255) u = 255;
- if (v < 0) v = 0;
- if (v > 255) v = 255;
-
- b = (int) ( 1.164*(y - 16) + 2.018*(u-128));
- g = (int) ( 1.164*(y - 16) - 0.813*(v-128) - 0.391*(u-128));
- r = (int) ( 1.164*(y - 16) + 1.596*(v-128));
-
- if (r < 0) r = 0;
- if (r > 255) r = 255;
- if (g < 0) g = 0;
- if (g > 255) g = 255;
- if (b < 0) b = 0;
- if (b > 255) b = 255;
-
- *(image++) = b;
- *(image++) = g;
- *(image++) = r;
-
- yimg++;
- uimg++;
- vimg++;
-
- }
- }
-}
-
-
-ImageType ImageUtils::readBinaryPPM(const char *filename, int &width, int &height)
-{
-
- FILE *imgin = NULL;
- int mval=0, format=0, eret;
- ImageType ret = IMAGE_TYPE_NOIMAGE;
-
- imgin = fopen(filename, "r");
- if (imgin == NULL) {
- fprintf(stderr, "Error: Filename %s not found\n", filename);
- return ret;
- }
-
- eret = fscanf(imgin, "P%d\n", &format);
- if (format != 6) {
- fprintf(stderr, "Error: readBinaryPPM only supports PPM format (P6)\n");
- return ret;
- }
-
- eret = fscanf(imgin, "%d %d\n", &width, &height);
- eret = fscanf(imgin, "%d\n", &mval);
- ret = allocateImage(width, height, IMAGE_TYPE_NUM_CHANNELS);
- eret = fread(ret, sizeof(ImageTypeBase), IMAGE_TYPE_NUM_CHANNELS*width*height, imgin);
-
- fclose(imgin);
-
- return ret;
-
-}
-
-void ImageUtils::writeBinaryPPM(ImageType image, const char *filename, int width, int height, int numChannels)
-{
- FILE *imgout = fopen(filename, "w");
-
- if (imgout == NULL) {
- fprintf(stderr, "Error: Filename %s could not be opened for writing\n", filename);
- return;
- }
-
- if (numChannels == 3) {
- fprintf(imgout, "P6\n%d %d\n255\n", width, height);
- } else if (numChannels == 1) {
- fprintf(imgout, "P5\n%d %d\n255\n", width, height);
- } else {
- fprintf(stderr, "Error: writeBinaryPPM: Unsupported number of channels\n");
- }
- fwrite(image, sizeof(ImageTypeBase), numChannels*width*height, imgout);
-
- fclose(imgout);
-
-}
-
-ImageType ImageUtils::allocateImage(int width, int height, int numChannels, short int border)
-{
- int overallocation = 256;
- return (ImageType) calloc(width*height*numChannels+overallocation, sizeof(ImageTypeBase));
-}
-
-
-void ImageUtils::freeImage(ImageType image)
-{
- free(image);
-}
-
-
-// allocation of one color image used for tmp buffers, etc.
-// format of contiguous memory block:
-// YUVInfo struct (type + BimageInfo for Y,U, and V),
-// Y row pointers
-// U row pointers
-// V row pointers
-// Y image pixels
-// U image pixels
-// V image pixels
-YUVinfo *YUVinfo::allocateImage(unsigned short width, unsigned short height)
-{
- unsigned short heightUV, widthUV;
-
- widthUV = width;
- heightUV = height;
-
- // figure out how much space to hold all pixels...
- int size = ((width * height * 3) + 8);
- unsigned char *position = 0;
-
- // VC 8 does not like calling free on yuv->Y.ptr since it is in
- // the middle of a block. So rearrange the memory layout so after
- // calling mapYUVInforToImage yuv->Y.ptr points to the begginning
- // of the calloc'ed block.
- YUVinfo *yuv = (YUVinfo *) calloc(sizeof(YUVinfo), 1);
- if (yuv) {
- yuv->Y.width = yuv->Y.pitch = width;
- yuv->Y.height = height;
- yuv->Y.border = yuv->U.border = yuv->V.border = (unsigned short) 0;
- yuv->U.width = yuv->U.pitch = yuv->V.width = yuv->V.pitch = widthUV;
- yuv->U.height = yuv->V.height = heightUV;
-
- unsigned char* block = (unsigned char*) calloc(
- sizeof(unsigned char *) * (height + heightUV + heightUV) +
- sizeof(unsigned char) * size, 1);
-
- position = block;
- unsigned char **y = (unsigned char **) (block + size);
-
- /* Initialize and assign row pointers */
- yuv->Y.ptr = y;
- yuv->V.ptr = &y[height];
- yuv->U.ptr = &y[height + heightUV];
- }
- if (size)
- mapYUVInfoToImage(yuv, position);
- return yuv;
-}
-
-// wrap YUVInfo row pointers around 3 contiguous image (color component) planes.
-// position = starting pixel in image.
-void YUVinfo::mapYUVInfoToImage(YUVinfo *img, unsigned char *position)
-{
- int i;
- for (i = 0; i < img->Y.height; i++, position += img->Y.width)
- img->Y.ptr[i] = position;
- for (i = 0; i < img->V.height; i++, position += img->V.width)
- img->V.ptr[i] = position;
- for (i = 0; i < img->U.height; i++, position += img->U.width)
- img->U.ptr[i] = position;
-}
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 18:07:56 +0000