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955 lines
41 KiB
C
955 lines
41 KiB
C
/*
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* This file is part of the OpenMV project.
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*
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* Copyright (c) 2013-2021 Ibrahim Abdelkader <iabdalkader@openmv.io>
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* Copyright (c) 2013-2021 Kwabena W. Agyeman <kwagyeman@openmv.io>
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*
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* This work is licensed under the MIT license, see the file LICENSE for details.
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*
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* Binary image operations.
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*/
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#include "imlib.h"
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#ifdef IMLIB_ENABLE_BINARY_OPS
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void imlib_binary(image_t *out, image_t *img, list_t *thresholds, bool invert, bool zero, image_t *mask) {
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image_t bmp;
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bmp.w = img->w;
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bmp.h = img->h;
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bmp.pixfmt = PIXFORMAT_BINARY;
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bmp.data = fb_alloc0(image_size(&bmp), FB_ALLOC_NO_HINT);
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list_for_each(it, thresholds) {
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color_thresholds_list_lnk_data_t *lnk_data = list_get_data(it);
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switch (img->pixfmt) {
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case PIXFORMAT_BINARY: {
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for (int y = 0, yy = img->h; y < yy; y++) {
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uint32_t *old_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(img, y);
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uint32_t *bmp_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&bmp, y);
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for (int x = 0, xx = img->w; x < xx; x++) {
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if (COLOR_THRESHOLD_BINARY(IMAGE_GET_BINARY_PIXEL_FAST(old_row_ptr, x), lnk_data, invert)) {
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IMAGE_SET_BINARY_PIXEL_FAST(bmp_row_ptr, x);
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}
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}
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}
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break;
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}
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case PIXFORMAT_GRAYSCALE: {
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for (int y = 0, yy = img->h; y < yy; y++) {
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uint8_t *old_row_ptr = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, y);
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uint32_t *bmp_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&bmp, y);
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for (int x = 0, xx = img->w; x < xx; x++) {
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if (COLOR_THRESHOLD_GRAYSCALE(IMAGE_GET_GRAYSCALE_PIXEL_FAST(old_row_ptr, x), lnk_data, invert)) {
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IMAGE_SET_BINARY_PIXEL_FAST(bmp_row_ptr, x);
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}
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}
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}
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break;
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}
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case PIXFORMAT_RGB565: {
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for (int y = 0, yy = img->h; y < yy; y++) {
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uint16_t *old_row_ptr = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img, y);
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uint32_t *bmp_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&bmp, y);
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for (int x = 0, xx = img->w; x < xx; x++) {
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if (COLOR_THRESHOLD_RGB565(IMAGE_GET_RGB565_PIXEL_FAST(old_row_ptr, x), lnk_data, invert)) {
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IMAGE_SET_BINARY_PIXEL_FAST(bmp_row_ptr, x);
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}
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}
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}
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break;
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}
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default: {
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break;
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}
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}
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}
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switch (img->pixfmt) {
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case PIXFORMAT_BINARY: {
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if (!zero) {
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for (int y = 0, yy = img->h; y < yy; y++) {
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uint32_t *old_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(img, y);
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uint32_t *bmp_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&bmp, y);
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uint32_t *out_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(out, y);
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for (int x = 0, xx = img->w; x < xx; x++) {
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int pixel = ((!mask) || image_get_mask_pixel(mask, x, y))
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? IMAGE_GET_BINARY_PIXEL_FAST(bmp_row_ptr, x)
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: IMAGE_GET_BINARY_PIXEL_FAST(old_row_ptr, x);
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IMAGE_PUT_BINARY_PIXEL_FAST(out_row_ptr, x, pixel);
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}
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}
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} else {
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for (int y = 0, yy = img->h; y < yy; y++) {
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uint32_t *old_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(img, y);
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uint32_t *bmp_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&bmp, y);
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uint32_t *out_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(out, y);
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for (int x = 0, xx = img->w; x < xx; x++) {
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int pixel = IMAGE_GET_BINARY_PIXEL_FAST(old_row_ptr, x);
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if (((!mask) || image_get_mask_pixel(mask, x, y))
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&& IMAGE_GET_BINARY_PIXEL_FAST(bmp_row_ptr, x)) {
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pixel = 0;
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}
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IMAGE_PUT_BINARY_PIXEL_FAST(out_row_ptr, x, pixel);
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}
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}
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}
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break;
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}
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case PIXFORMAT_GRAYSCALE: {
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if (out->pixfmt == PIXFORMAT_BINARY) {
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if (!zero) {
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for (int y = 0, yy = img->h; y < yy; y++) {
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uint8_t *old_row_ptr = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, y);
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uint32_t *bmp_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&bmp, y);
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uint32_t *out_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(out, y);
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for (int x = 0, xx = img->w; x < xx; x++) {
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int pixel = ((!mask) || image_get_mask_pixel(mask, x, y))
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? IMAGE_GET_BINARY_PIXEL_FAST(bmp_row_ptr, x)
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: COLOR_GRAYSCALE_TO_BINARY(IMAGE_GET_GRAYSCALE_PIXEL_FAST(old_row_ptr, x));
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IMAGE_PUT_BINARY_PIXEL_FAST(out_row_ptr, x, pixel);
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}
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}
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} else {
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for (int y = 0, yy = img->h; y < yy; y++) {
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uint8_t *old_row_ptr = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, y);
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uint32_t *bmp_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&bmp, y);
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uint32_t *out_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(out, y);
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for (int x = 0, xx = img->w; x < xx; x++) {
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int pixel = COLOR_GRAYSCALE_TO_BINARY(IMAGE_GET_GRAYSCALE_PIXEL_FAST(old_row_ptr, x));
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if (((!mask) || image_get_mask_pixel(mask, x, y))
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&& IMAGE_GET_BINARY_PIXEL_FAST(bmp_row_ptr, x)) {
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pixel = 0;
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}
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IMAGE_PUT_BINARY_PIXEL_FAST(out_row_ptr, x, pixel);
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}
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}
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}
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} else {
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if (!zero) {
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for (int y = 0, yy = img->h; y < yy; y++) {
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uint8_t *old_row_ptr = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, y);
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uint32_t *bmp_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&bmp, y);
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uint8_t *out_row_ptr = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(out, y);
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for (int x = 0, xx = img->w; x < xx; x++) {
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int pixel = ((!mask) || image_get_mask_pixel(mask, x, y))
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? COLOR_BINARY_TO_GRAYSCALE(IMAGE_GET_BINARY_PIXEL_FAST(bmp_row_ptr, x))
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: IMAGE_GET_GRAYSCALE_PIXEL_FAST(old_row_ptr, x);
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IMAGE_PUT_GRAYSCALE_PIXEL_FAST(out_row_ptr, x, pixel);
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}
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}
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} else {
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for (int y = 0, yy = img->h; y < yy; y++) {
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uint8_t *old_row_ptr = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, y);
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uint32_t *bmp_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&bmp, y);
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uint8_t *out_row_ptr = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(out, y);
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for (int x = 0, xx = img->w; x < xx; x++) {
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int pixel = IMAGE_GET_GRAYSCALE_PIXEL_FAST(old_row_ptr, x);
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if (((!mask) || image_get_mask_pixel(mask, x, y))
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&& IMAGE_GET_BINARY_PIXEL_FAST(bmp_row_ptr, x)) {
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pixel = 0;
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}
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IMAGE_PUT_GRAYSCALE_PIXEL_FAST(out_row_ptr, x, pixel);
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}
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}
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}
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}
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break;
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}
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case PIXFORMAT_RGB565: {
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if (out->pixfmt == PIXFORMAT_BINARY) {
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if (!zero) {
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for (int y = 0, yy = img->h; y < yy; y++) {
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uint16_t *old_row_ptr = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img, y);
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uint32_t *bmp_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&bmp, y);
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uint32_t *out_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(out, y);
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for (int x = 0, xx = img->w; x < xx; x++) {
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int pixel = ((!mask) || image_get_mask_pixel(mask, x, y))
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? IMAGE_GET_BINARY_PIXEL_FAST(bmp_row_ptr, x)
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: COLOR_RGB565_TO_BINARY(IMAGE_GET_RGB565_PIXEL_FAST(old_row_ptr, x));
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IMAGE_PUT_BINARY_PIXEL_FAST(out_row_ptr, x, pixel);
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}
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}
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} else {
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for (int y = 0, yy = img->h; y < yy; y++) {
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uint16_t *old_row_ptr = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img, y);
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uint32_t *bmp_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&bmp, y);
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uint32_t *out_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(out, y);
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for (int x = 0, xx = img->w; x < xx; x++) {
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int pixel = COLOR_RGB565_TO_BINARY(IMAGE_GET_RGB565_PIXEL_FAST(old_row_ptr, x));
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if (((!mask) || image_get_mask_pixel(mask, x, y))
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&& IMAGE_GET_BINARY_PIXEL_FAST(bmp_row_ptr, x)) {
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pixel = 0;
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}
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IMAGE_PUT_BINARY_PIXEL_FAST(out_row_ptr, x, pixel);
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}
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}
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}
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} else {
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if (!zero) {
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for (int y = 0, yy = img->h; y < yy; y++) {
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uint16_t *old_row_ptr = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img, y);
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uint32_t *bmp_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&bmp, y);
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uint16_t *out_row_ptr = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(out, y);
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for (int x = 0, xx = img->w; x < xx; x++) {
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int pixel = ((!mask) || image_get_mask_pixel(mask, x, y))
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? COLOR_BINARY_TO_RGB565(IMAGE_GET_BINARY_PIXEL_FAST(bmp_row_ptr, x))
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: IMAGE_GET_RGB565_PIXEL_FAST(old_row_ptr, x);
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IMAGE_PUT_RGB565_PIXEL_FAST(out_row_ptr, x, pixel);
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}
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}
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} else {
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for (int y = 0, yy = img->h; y < yy; y++) {
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uint16_t *old_row_ptr = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img, y);
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uint32_t *bmp_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&bmp, y);
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uint16_t *out_row_ptr = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(out, y);
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for (int x = 0, xx = img->w; x < xx; x++) {
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int pixel = IMAGE_GET_RGB565_PIXEL_FAST(old_row_ptr, x);
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if (((!mask) || image_get_mask_pixel(mask, x, y))
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&& IMAGE_GET_BINARY_PIXEL_FAST(bmp_row_ptr, x)) {
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pixel = 0;
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}
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IMAGE_PUT_RGB565_PIXEL_FAST(out_row_ptr, x, pixel);
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}
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}
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}
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}
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break;
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}
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default: {
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break;
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}
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}
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fb_free();
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}
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void imlib_invert(image_t *img) {
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uint32_t n = image_size(img);
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uint32_t *p32 = (uint32_t *) img->data;
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switch (img->pixfmt) {
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case PIXFORMAT_BINARY: {
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for (; n >= 4; n -= 4, p32++) {
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*p32 = ~*p32;
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}
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break;
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}
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case PIXFORMAT_GRAYSCALE: {
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#if (__ARM_ARCH > 6)
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for (; n >= 4; n -= 4, p32++) {
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*p32 = ~*p32;
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}
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#endif
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uint8_t *p8 = (uint8_t *) p32;
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for (; n >= 1; n -= 1, p8++) {
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*p8 = ~*p8;
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}
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break;
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}
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case PIXFORMAT_RGB565: {
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#if (__ARM_ARCH > 6)
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for (; n >= 4; n -= 4, p32++) {
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*p32 = ~*p32;
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}
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#endif
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uint16_t *p16 = (uint16_t *) p32;
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for (; n >= 2; n -= 2, p16++) {
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*p16 = ~*p16;
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}
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break;
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}
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default: {
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break;
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}
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}
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}
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static void imlib_b_and_line_op(image_t *img, int line, void *other, void *data, bool vflipped) {
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image_t *mask = (image_t *) data;
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switch (img->pixfmt) {
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case PIXFORMAT_BINARY: {
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uint32_t *data = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(img, line);
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if (!mask) {
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for (int i = 0, j = IMAGE_BINARY_LINE_LEN(img); i < j; i++) {
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data[i] &= ((uint32_t *) other)[i];
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}
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} else {
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for (int i = 0, j = img->w; i < j; i++) {
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if (image_get_mask_pixel(mask, i, line)) {
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IMAGE_PUT_BINARY_PIXEL_FAST(data, i,
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(IMAGE_GET_BINARY_PIXEL_FAST(data, i)
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& IMAGE_GET_BINARY_PIXEL_FAST(((uint32_t *) other), i)));
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}
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}
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}
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break;
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}
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case PIXFORMAT_GRAYSCALE: {
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uint8_t *data = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, line);
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if (!mask) {
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for (int i = 0, j = IMAGE_GRAYSCALE_LINE_LEN(img); i < j; i++) {
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data[i] &= ((uint8_t *) other)[i];
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}
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} else {
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for (int i = 0, j = img->w; i < j; i++) {
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if (image_get_mask_pixel(mask, i, line)) {
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IMAGE_PUT_GRAYSCALE_PIXEL_FAST(data, i,
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(IMAGE_GET_GRAYSCALE_PIXEL_FAST(data, i)
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& IMAGE_GET_GRAYSCALE_PIXEL_FAST(((uint8_t *) other), i)));
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}
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}
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}
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break;
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}
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case PIXFORMAT_RGB565: {
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uint16_t *data = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img, line);
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if (!mask) {
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for (int i = 0, j = IMAGE_RGB565_LINE_LEN(img); i < j; i++) {
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data[i] &= ((uint16_t *) other)[i];
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}
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} else {
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for (int i = 0, j = img->w; i < j; i++) {
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if (image_get_mask_pixel(mask, i, line)) {
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IMAGE_PUT_RGB565_PIXEL_FAST(data, i,
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(IMAGE_GET_RGB565_PIXEL_FAST(data, i)
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& IMAGE_GET_RGB565_PIXEL_FAST(((uint16_t *) other), i)));
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}
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}
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}
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break;
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}
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default: {
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break;
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}
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}
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}
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void imlib_b_and(image_t *img, const char *path, image_t *other, int scalar, image_t *mask) {
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imlib_image_operation(img, path, other, scalar, imlib_b_and_line_op, mask);
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}
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static void imlib_b_nand_line_op(image_t *img, int line, void *other, void *data, bool vflipped) {
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image_t *mask = (image_t *) data;
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switch (img->pixfmt) {
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case PIXFORMAT_BINARY: {
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uint32_t *data = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(img, line);
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if (!mask) {
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for (int i = 0, j = IMAGE_BINARY_LINE_LEN(img); i < j; i++) {
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data[i] &= ~((uint32_t *) other)[i];
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}
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} else {
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for (int i = 0, j = img->w; i < j; i++) {
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if (image_get_mask_pixel(mask, i, line)) {
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IMAGE_PUT_BINARY_PIXEL_FAST(data, i,
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(IMAGE_GET_BINARY_PIXEL_FAST(data, i)
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& ~IMAGE_GET_BINARY_PIXEL_FAST(((uint32_t *) other), i)));
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}
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}
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}
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break;
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}
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case PIXFORMAT_GRAYSCALE: {
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uint8_t *data = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, line);
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if (!mask) {
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for (int i = 0, j = IMAGE_GRAYSCALE_LINE_LEN(img); i < j; i++) {
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data[i] &= ~((uint8_t *) other)[i];
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}
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} else {
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for (int i = 0, j = img->w; i < j; i++) {
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if (image_get_mask_pixel(mask, i, line)) {
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IMAGE_PUT_GRAYSCALE_PIXEL_FAST(data, i,
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(IMAGE_GET_GRAYSCALE_PIXEL_FAST(data, i)
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& ~IMAGE_GET_GRAYSCALE_PIXEL_FAST(((uint8_t *) other), i)));
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}
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}
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}
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break;
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}
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case PIXFORMAT_RGB565: {
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uint16_t *data = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img, line);
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if (!mask) {
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for (int i = 0, j = IMAGE_RGB565_LINE_LEN(img); i < j; i++) {
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data[i] &= ~((uint16_t *) other)[i];
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}
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} else {
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for (int i = 0, j = img->w; i < j; i++) {
|
|
if (image_get_mask_pixel(mask, i, line)) {
|
|
IMAGE_PUT_RGB565_PIXEL_FAST(data, i,
|
|
(IMAGE_GET_RGB565_PIXEL_FAST(data, i)
|
|
& ~IMAGE_GET_RGB565_PIXEL_FAST(((uint16_t *) other), i)));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default: {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void imlib_b_nand(image_t *img, const char *path, image_t *other, int scalar, image_t *mask) {
|
|
imlib_image_operation(img, path, other, scalar, imlib_b_nand_line_op, mask);
|
|
}
|
|
|
|
static void imlib_b_or_line_op(image_t *img, int line, void *other, void *data, bool vflipped) {
|
|
image_t *mask = (image_t *) data;
|
|
|
|
switch (img->pixfmt) {
|
|
case PIXFORMAT_BINARY: {
|
|
uint32_t *data = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(img, line);
|
|
|
|
if (!mask) {
|
|
for (int i = 0, j = IMAGE_BINARY_LINE_LEN(img); i < j; i++) {
|
|
data[i] |= ((uint32_t *) other)[i];
|
|
}
|
|
} else {
|
|
for (int i = 0, j = img->w; i < j; i++) {
|
|
if (image_get_mask_pixel(mask, i, line)) {
|
|
IMAGE_PUT_BINARY_PIXEL_FAST(data, i,
|
|
(IMAGE_GET_BINARY_PIXEL_FAST(data, i)
|
|
| IMAGE_GET_BINARY_PIXEL_FAST(((uint32_t *) other), i)));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case PIXFORMAT_GRAYSCALE: {
|
|
uint8_t *data = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, line);
|
|
|
|
if (!mask) {
|
|
for (int i = 0, j = IMAGE_GRAYSCALE_LINE_LEN(img); i < j; i++) {
|
|
data[i] |= ((uint8_t *) other)[i];
|
|
}
|
|
} else {
|
|
for (int i = 0, j = img->w; i < j; i++) {
|
|
if (image_get_mask_pixel(mask, i, line)) {
|
|
IMAGE_PUT_GRAYSCALE_PIXEL_FAST(data, i,
|
|
(IMAGE_GET_GRAYSCALE_PIXEL_FAST(data, i)
|
|
| IMAGE_GET_GRAYSCALE_PIXEL_FAST(((uint8_t *) other), i)));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case PIXFORMAT_RGB565: {
|
|
uint16_t *data = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img, line);
|
|
|
|
if (!mask) {
|
|
for (int i = 0, j = IMAGE_RGB565_LINE_LEN(img); i < j; i++) {
|
|
data[i] |= ((uint16_t *) other)[i];
|
|
}
|
|
} else {
|
|
for (int i = 0, j = img->w; i < j; i++) {
|
|
if (image_get_mask_pixel(mask, i, line)) {
|
|
IMAGE_PUT_RGB565_PIXEL_FAST(data, i,
|
|
(IMAGE_GET_RGB565_PIXEL_FAST(data, i)
|
|
| IMAGE_GET_RGB565_PIXEL_FAST(((uint16_t *) other), i)));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default: {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void imlib_b_or(image_t *img, const char *path, image_t *other, int scalar, image_t *mask) {
|
|
imlib_image_operation(img, path, other, scalar, imlib_b_or_line_op, mask);
|
|
}
|
|
|
|
static void imlib_b_nor_line_op(image_t *img, int line, void *other, void *data, bool vflipped) {
|
|
image_t *mask = (image_t *) data;
|
|
|
|
switch (img->pixfmt) {
|
|
case PIXFORMAT_BINARY: {
|
|
uint32_t *data = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(img, line);
|
|
|
|
if (!mask) {
|
|
for (int i = 0, j = IMAGE_BINARY_LINE_LEN(img); i < j; i++) {
|
|
data[i] |= ~((uint32_t *) other)[i];
|
|
}
|
|
} else {
|
|
for (int i = 0, j = img->w; i < j; i++) {
|
|
if (image_get_mask_pixel(mask, i, line)) {
|
|
IMAGE_PUT_BINARY_PIXEL_FAST(data, i,
|
|
(IMAGE_GET_BINARY_PIXEL_FAST(data, i)
|
|
| ~IMAGE_GET_BINARY_PIXEL_FAST(((uint32_t *) other), i)));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case PIXFORMAT_GRAYSCALE: {
|
|
uint8_t *data = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, line);
|
|
|
|
if (!mask) {
|
|
for (int i = 0, j = IMAGE_GRAYSCALE_LINE_LEN(img); i < j; i++) {
|
|
data[i] |= ~((uint8_t *) other)[i];
|
|
}
|
|
} else {
|
|
for (int i = 0, j = img->w; i < j; i++) {
|
|
if (image_get_mask_pixel(mask, i, line)) {
|
|
IMAGE_PUT_GRAYSCALE_PIXEL_FAST(data, i,
|
|
(IMAGE_GET_GRAYSCALE_PIXEL_FAST(data, i)
|
|
| ~IMAGE_GET_GRAYSCALE_PIXEL_FAST(((uint8_t *) other), i)));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case PIXFORMAT_RGB565: {
|
|
uint16_t *data = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img, line);
|
|
|
|
if (!mask) {
|
|
for (int i = 0, j = IMAGE_RGB565_LINE_LEN(img); i < j; i++) {
|
|
data[i] |= ~((uint16_t *) other)[i];
|
|
}
|
|
} else {
|
|
for (int i = 0, j = img->w; i < j; i++) {
|
|
if (image_get_mask_pixel(mask, i, line)) {
|
|
IMAGE_PUT_RGB565_PIXEL_FAST(data, i,
|
|
(IMAGE_GET_RGB565_PIXEL_FAST(data, i)
|
|
| ~IMAGE_GET_RGB565_PIXEL_FAST(((uint16_t *) other), i)));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default: {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void imlib_b_nor(image_t *img, const char *path, image_t *other, int scalar, image_t *mask) {
|
|
imlib_image_operation(img, path, other, scalar, imlib_b_nor_line_op, mask);
|
|
}
|
|
|
|
static void imlib_b_xor_line_op(image_t *img, int line, void *other, void *data, bool vflipped) {
|
|
image_t *mask = (image_t *) data;
|
|
|
|
switch (img->pixfmt) {
|
|
case PIXFORMAT_BINARY: {
|
|
uint32_t *data = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(img, line);
|
|
|
|
if (!mask) {
|
|
for (int i = 0, j = IMAGE_BINARY_LINE_LEN(img); i < j; i++) {
|
|
data[i] ^= ((uint32_t *) other)[i];
|
|
}
|
|
} else {
|
|
for (int i = 0, j = img->w; i < j; i++) {
|
|
if (image_get_mask_pixel(mask, i, line)) {
|
|
IMAGE_PUT_BINARY_PIXEL_FAST(data, i,
|
|
(IMAGE_GET_BINARY_PIXEL_FAST(data, i)
|
|
^ IMAGE_GET_BINARY_PIXEL_FAST(((uint32_t *) other), i)));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case PIXFORMAT_GRAYSCALE: {
|
|
uint8_t *data = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, line);
|
|
|
|
if (!mask) {
|
|
for (int i = 0, j = IMAGE_GRAYSCALE_LINE_LEN(img); i < j; i++) {
|
|
data[i] ^= ((uint8_t *) other)[i];
|
|
}
|
|
} else {
|
|
for (int i = 0, j = img->w; i < j; i++) {
|
|
if (image_get_mask_pixel(mask, i, line)) {
|
|
IMAGE_PUT_GRAYSCALE_PIXEL_FAST(data, i,
|
|
(IMAGE_GET_GRAYSCALE_PIXEL_FAST(data, i)
|
|
^ IMAGE_GET_GRAYSCALE_PIXEL_FAST(((uint8_t *) other), i)));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case PIXFORMAT_RGB565: {
|
|
uint16_t *data = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img, line);
|
|
|
|
if (!mask) {
|
|
for (int i = 0, j = IMAGE_RGB565_LINE_LEN(img); i < j; i++) {
|
|
data[i] ^= ((uint16_t *) other)[i];
|
|
}
|
|
} else {
|
|
for (int i = 0, j = img->w; i < j; i++) {
|
|
if (image_get_mask_pixel(mask, i, line)) {
|
|
IMAGE_PUT_RGB565_PIXEL_FAST(data, i,
|
|
(IMAGE_GET_RGB565_PIXEL_FAST(data, i)
|
|
^ IMAGE_GET_RGB565_PIXEL_FAST(((uint16_t *) other), i)));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default: {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void imlib_b_xor(image_t *img, const char *path, image_t *other, int scalar, image_t *mask) {
|
|
imlib_image_operation(img, path, other, scalar, imlib_b_xor_line_op, mask);
|
|
}
|
|
|
|
static void imlib_b_xnor_line_op(image_t *img, int line, void *other, void *data, bool vflipped) {
|
|
image_t *mask = (image_t *) data;
|
|
|
|
switch (img->pixfmt) {
|
|
case PIXFORMAT_BINARY: {
|
|
uint32_t *data = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(img, line);
|
|
|
|
if (!mask) {
|
|
for (int i = 0, j = IMAGE_BINARY_LINE_LEN(img); i < j; i++) {
|
|
data[i] ^= ~((uint32_t *) other)[i];
|
|
}
|
|
} else {
|
|
for (int i = 0, j = img->w; i < j; i++) {
|
|
if (image_get_mask_pixel(mask, i, line)) {
|
|
IMAGE_PUT_BINARY_PIXEL_FAST(data, i,
|
|
(IMAGE_GET_BINARY_PIXEL_FAST(data, i)
|
|
^ ~IMAGE_GET_BINARY_PIXEL_FAST(((uint32_t *) other), i)));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case PIXFORMAT_GRAYSCALE: {
|
|
uint8_t *data = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, line);
|
|
|
|
if (!mask) {
|
|
for (int i = 0, j = IMAGE_GRAYSCALE_LINE_LEN(img); i < j; i++) {
|
|
data[i] ^= ~((uint8_t *) other)[i];
|
|
}
|
|
} else {
|
|
for (int i = 0, j = img->w; i < j; i++) {
|
|
if (image_get_mask_pixel(mask, i, line)) {
|
|
IMAGE_PUT_GRAYSCALE_PIXEL_FAST(data, i,
|
|
(IMAGE_GET_GRAYSCALE_PIXEL_FAST(data, i)
|
|
^ ~IMAGE_GET_GRAYSCALE_PIXEL_FAST(((uint8_t *) other), i)));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case PIXFORMAT_RGB565: {
|
|
uint16_t *data = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img, line);
|
|
|
|
if (!mask) {
|
|
for (int i = 0, j = IMAGE_RGB565_LINE_LEN(img); i < j; i++) {
|
|
data[i] ^= ~((uint16_t *) other)[i];
|
|
}
|
|
} else {
|
|
for (int i = 0, j = img->w; i < j; i++) {
|
|
if (image_get_mask_pixel(mask, i, line)) {
|
|
IMAGE_PUT_RGB565_PIXEL_FAST(data, i,
|
|
(IMAGE_GET_RGB565_PIXEL_FAST(data, i)
|
|
^ ~IMAGE_GET_RGB565_PIXEL_FAST(((uint16_t *) other), i)));
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default: {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void imlib_b_xnor(image_t *img, const char *path, image_t *other, int scalar, image_t *mask) {
|
|
imlib_image_operation(img, path, other, scalar, imlib_b_xnor_line_op, mask);
|
|
}
|
|
|
|
static void imlib_erode_dilate(image_t *img, int ksize, int threshold, int e_or_d, image_t *mask) {
|
|
int brows = ksize + 1;
|
|
image_t buf;
|
|
buf.w = img->w;
|
|
buf.h = brows;
|
|
buf.pixfmt = img->pixfmt;
|
|
|
|
switch (img->pixfmt) {
|
|
case PIXFORMAT_BINARY: {
|
|
buf.data = fb_alloc(IMAGE_BINARY_LINE_LEN_BYTES(img) * brows, FB_ALLOC_NO_HINT);
|
|
|
|
for (int y = 0, yy = img->h; y < yy; y++) {
|
|
uint32_t *row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(img, y);
|
|
uint32_t *buf_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&buf, (y % brows));
|
|
int acc = 0;
|
|
|
|
for (int x = 0, xx = img->w; x < xx; x++) {
|
|
int pixel = IMAGE_GET_BINARY_PIXEL_FAST(row_ptr, x);
|
|
IMAGE_PUT_BINARY_PIXEL_FAST(buf_row_ptr, x, pixel);
|
|
|
|
if (mask && (!image_get_mask_pixel(mask, x, y))) {
|
|
continue; // Short circuit.
|
|
}
|
|
if (x > ksize && x < img->w - ksize && y >= ksize && y < img->h - ksize) {
|
|
// faster
|
|
for (int j = -ksize; j <= ksize; j++) {
|
|
uint32_t *k_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(img, y + j);
|
|
// subtract old left column and add new right column
|
|
acc -= IMAGE_GET_BINARY_PIXEL_FAST(k_row_ptr, x - ksize - 1);
|
|
acc += IMAGE_GET_BINARY_PIXEL_FAST(k_row_ptr, x + ksize);
|
|
}
|
|
} else {
|
|
// slower (checks boundaries per pixel)
|
|
acc = e_or_d ? 0 : -1; // Don't count center pixel...
|
|
for (int j = -ksize; j <= ksize; j++) {
|
|
uint32_t *k_row_ptr = IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(img,
|
|
IM_MIN(IM_MAX(y + j, 0), (img->h - 1)));
|
|
|
|
for (int k = -ksize; k <= ksize; k++) {
|
|
acc += IMAGE_GET_BINARY_PIXEL_FAST(k_row_ptr,
|
|
IM_MIN(IM_MAX(x + k, 0), (img->w - 1)));
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!e_or_d) {
|
|
// Preserve original pixel value... or clear it.
|
|
if (acc < threshold) {
|
|
IMAGE_CLEAR_BINARY_PIXEL_FAST(buf_row_ptr, x);
|
|
}
|
|
} else {
|
|
// Preserve original pixel value... or set it.
|
|
if (acc > threshold) {
|
|
IMAGE_SET_BINARY_PIXEL_FAST(buf_row_ptr, x);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (y >= ksize) {
|
|
// Transfer buffer lines...
|
|
memcpy(IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(img, (y - ksize)),
|
|
IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&buf, ((y - ksize) % brows)),
|
|
IMAGE_BINARY_LINE_LEN_BYTES(img));
|
|
}
|
|
}
|
|
|
|
// Copy any remaining lines from the buffer image...
|
|
for (int y = IM_MAX(img->h - ksize, 0), yy = img->h; y < yy; y++) {
|
|
memcpy(IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(img, y),
|
|
IMAGE_COMPUTE_BINARY_PIXEL_ROW_PTR(&buf, (y % brows)),
|
|
IMAGE_BINARY_LINE_LEN_BYTES(img));
|
|
}
|
|
|
|
fb_free();
|
|
break;
|
|
}
|
|
case PIXFORMAT_GRAYSCALE: {
|
|
buf.data = fb_alloc(IMAGE_GRAYSCALE_LINE_LEN_BYTES(img) * brows, FB_ALLOC_NO_HINT);
|
|
|
|
for (int y = 0, yy = img->h; y < yy; y++) {
|
|
uint8_t *row_ptr = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, y);
|
|
uint8_t *buf_row_ptr = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(&buf, (y % brows));
|
|
int acc = 0;
|
|
|
|
for (int x = 0, xx = img->w; x < xx; x++) {
|
|
int pixel = IMAGE_GET_GRAYSCALE_PIXEL_FAST(row_ptr, x);
|
|
IMAGE_PUT_GRAYSCALE_PIXEL_FAST(buf_row_ptr, x, pixel);
|
|
|
|
if (mask && (!image_get_mask_pixel(mask, x, y))) {
|
|
continue; // Short circuit.
|
|
}
|
|
|
|
if (x > ksize && x < img->w - ksize && y >= ksize && y < img->h - ksize) {
|
|
// faster
|
|
for (int j = -ksize; j <= ksize; j++) {
|
|
uint8_t *k_row_ptr = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, y + j);
|
|
// subtract old left edge and add new right edge to sum
|
|
acc -= (IMAGE_GET_GRAYSCALE_PIXEL_FAST(k_row_ptr, x - ksize - 1) > 0);
|
|
acc += (IMAGE_GET_GRAYSCALE_PIXEL_FAST(k_row_ptr, x + ksize) > 0);
|
|
} // for j
|
|
} else {
|
|
// slower way which checks boundaries per pixel
|
|
acc = e_or_d ? 0 : -1; // Don't count center pixel...
|
|
for (int j = -ksize; j <= ksize; j++) {
|
|
uint8_t *k_row_ptr = IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img,
|
|
IM_MIN(IM_MAX(y + j, 0), (img->h - 1)));
|
|
|
|
for (int k = -ksize; k <= ksize; k++) {
|
|
acc += (IMAGE_GET_GRAYSCALE_PIXEL_FAST(k_row_ptr,
|
|
IM_MIN(IM_MAX(x + k, 0), (img->w - 1)))) > 0;
|
|
} // for k
|
|
} // for j
|
|
}
|
|
|
|
if (!e_or_d) {
|
|
// Preserve original pixel value... or clear it.
|
|
if (acc < threshold) {
|
|
IMAGE_PUT_GRAYSCALE_PIXEL_FAST(buf_row_ptr, x,
|
|
COLOR_GRAYSCALE_BINARY_MIN);
|
|
}
|
|
} else {
|
|
// Preserve original pixel value... or set it.
|
|
if (acc > threshold) {
|
|
IMAGE_PUT_GRAYSCALE_PIXEL_FAST(buf_row_ptr, x,
|
|
COLOR_GRAYSCALE_BINARY_MAX);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (y >= ksize) {
|
|
// Transfer buffer lines...
|
|
memcpy(IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, (y - ksize)),
|
|
IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(&buf, ((y - ksize) % brows)),
|
|
IMAGE_GRAYSCALE_LINE_LEN_BYTES(img));
|
|
}
|
|
}
|
|
|
|
// Copy any remaining lines from the buffer image...
|
|
for (int y = IM_MAX(img->h - ksize, 0), yy = img->h; y < yy; y++) {
|
|
memcpy(IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(img, y),
|
|
IMAGE_COMPUTE_GRAYSCALE_PIXEL_ROW_PTR(&buf, (y % brows)),
|
|
IMAGE_GRAYSCALE_LINE_LEN_BYTES(img));
|
|
}
|
|
|
|
fb_free();
|
|
break;
|
|
}
|
|
case PIXFORMAT_RGB565: {
|
|
buf.data = fb_alloc(IMAGE_RGB565_LINE_LEN_BYTES(img) * brows, FB_ALLOC_NO_HINT);
|
|
|
|
for (int y = 0, yy = img->h; y < yy; y++) {
|
|
uint16_t *row_ptr = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img, y);
|
|
uint16_t *buf_row_ptr = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(&buf, (y % brows));
|
|
int acc = 0;
|
|
|
|
for (int x = 0, xx = img->w; x < xx; x++) {
|
|
int pixel = IMAGE_GET_RGB565_PIXEL_FAST(row_ptr, x);
|
|
IMAGE_PUT_RGB565_PIXEL_FAST(buf_row_ptr, x, pixel);
|
|
|
|
if (mask && (!image_get_mask_pixel(mask, x, y))) {
|
|
continue; // Short circuit.
|
|
}
|
|
|
|
if (x > ksize && x < img->w - ksize && y >= ksize && y < img->h - ksize) {
|
|
// faster
|
|
for (int j = -ksize; j <= ksize; j++) {
|
|
uint16_t *k_row_ptr = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img, y + j);
|
|
// subtract old left column and add new right column
|
|
acc -= IMAGE_GET_RGB565_PIXEL_FAST(k_row_ptr, x - ksize - 1) > 0;
|
|
acc += IMAGE_GET_RGB565_PIXEL_FAST(k_row_ptr, x + ksize) > 0;
|
|
}
|
|
} else {
|
|
// need to check boundary conditions for each pixel
|
|
acc = e_or_d ? 0 : -1; // Don't count center pixel...
|
|
for (int j = -ksize; j <= ksize; j++) {
|
|
uint16_t *k_row_ptr = IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img,
|
|
IM_MIN(IM_MAX(y + j, 0), (img->h - 1)));
|
|
|
|
for (int k = -ksize; k <= ksize; k++) {
|
|
acc += (IMAGE_GET_RGB565_PIXEL_FAST(k_row_ptr,
|
|
IM_MIN(IM_MAX(x + k, 0), (img->w - 1)))) > 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!e_or_d) {
|
|
// Preserve original pixel value... or clear it.
|
|
if (acc < threshold) {
|
|
IMAGE_PUT_RGB565_PIXEL_FAST(buf_row_ptr, x,
|
|
COLOR_RGB565_BINARY_MIN);
|
|
}
|
|
} else {
|
|
// Preserve original pixel value... or set it.
|
|
if (acc > threshold) {
|
|
IMAGE_PUT_RGB565_PIXEL_FAST(buf_row_ptr, x,
|
|
COLOR_RGB565_BINARY_MAX);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (y >= ksize) {
|
|
// Transfer buffer lines...
|
|
memcpy(IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img, (y - ksize)),
|
|
IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(&buf, ((y - ksize) % brows)),
|
|
IMAGE_RGB565_LINE_LEN_BYTES(img));
|
|
}
|
|
}
|
|
|
|
// Copy any remaining lines from the buffer image...
|
|
for (int y = IM_MAX(img->h - ksize, 0), yy = img->h; y < yy; y++) {
|
|
memcpy(IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(img, y),
|
|
IMAGE_COMPUTE_RGB565_PIXEL_ROW_PTR(&buf, (y % brows)),
|
|
IMAGE_RGB565_LINE_LEN_BYTES(img));
|
|
}
|
|
|
|
fb_free();
|
|
break;
|
|
}
|
|
default: {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void imlib_erode(image_t *img, int ksize, int threshold, image_t *mask) {
|
|
// Threshold should be equal to (((ksize*2)+1)*((ksize*2)+1))-1
|
|
// for normal operation. E.g. for ksize==3 -> threshold==8
|
|
// Basically you're adjusting the number of data that
|
|
// must be set in the kernel (besides the center) for the output to be 1.
|
|
// Erode normally requires all data to be 1.
|
|
imlib_erode_dilate(img, ksize, threshold, 0, mask);
|
|
}
|
|
|
|
void imlib_dilate(image_t *img, int ksize, int threshold, image_t *mask) {
|
|
// Threshold should be equal to 0
|
|
// for normal operation. E.g. for ksize==3 -> threshold==0
|
|
// Basically you're adjusting the number of data that
|
|
// must be set in the kernel (besides the center) for the output to be 1.
|
|
// Dilate normally requires one pixel to be 1.
|
|
imlib_erode_dilate(img, ksize, threshold, 1, mask);
|
|
}
|
|
|
|
void imlib_open(image_t *img, int ksize, int threshold, image_t *mask) {
|
|
imlib_erode(img, ksize, (((ksize * 2) + 1) * ((ksize * 2) + 1)) - 1 - threshold, mask);
|
|
imlib_dilate(img, ksize, 0 + threshold, mask);
|
|
}
|
|
|
|
void imlib_close(image_t *img, int ksize, int threshold, image_t *mask) {
|
|
imlib_dilate(img, ksize, 0 + threshold, mask);
|
|
imlib_erode(img, ksize, (((ksize * 2) + 1) * ((ksize * 2) + 1)) - 1 - threshold, mask);
|
|
}
|
|
|
|
void imlib_top_hat(image_t *img, int ksize, int threshold, image_t *mask) {
|
|
image_t temp;
|
|
temp.w = img->w;
|
|
temp.h = img->h;
|
|
temp.pixfmt = img->pixfmt;
|
|
temp.data = fb_alloc(image_size(img), FB_ALLOC_NO_HINT);
|
|
memcpy(temp.data, img->data, image_size(img));
|
|
imlib_open(&temp, ksize, threshold, mask);
|
|
imlib_difference(img, NULL, &temp, 0, mask);
|
|
fb_free();
|
|
}
|
|
|
|
void imlib_black_hat(image_t *img, int ksize, int threshold, image_t *mask) {
|
|
image_t temp;
|
|
temp.w = img->w;
|
|
temp.h = img->h;
|
|
temp.pixfmt = img->pixfmt;
|
|
temp.data = fb_alloc(image_size(img), FB_ALLOC_NO_HINT);
|
|
memcpy(temp.data, img->data, image_size(img));
|
|
imlib_close(&temp, ksize, threshold, mask);
|
|
imlib_difference(img, NULL, &temp, 0, mask);
|
|
fb_free();
|
|
}
|
|
#endif
|