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scanedg: Add const attributes

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Signed-off-by: Stefan Weil <sw@weilnetz.de>
This commit is contained in:
Stefan Weil 2019-05-26 17:05:04 +02:00 committed by zdenop
parent fdb3f58c6c
commit 90b12b3afa
1 changed files with 2 additions and 3 deletions
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5
src/textord/scanedg.cpp
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@ -57,7 +57,7 @@ void block_edges(Pix *t_pix, // thresholded image
std::unique_ptr<uint8_t[]> bwline(new uint8_t[width]); std::unique_ptr<uint8_t[]> bwline(new uint8_t[width]);
uint8_t margin = WHITE_PIX; const uint8_t margin = WHITE_PIX;
for (int y = tright.y() - 1; y >= bleft.y() - 1; y--) { for (int y = tright.y() - 1; y >= bleft.y() - 1; y--) {
if (y >= bleft.y() && y < tright.y()) { if (y >= bleft.y() && y < tright.y()) {
@ -149,7 +149,6 @@ void line_edges(int16_t x, // coord of line start
C_OUTLINE_IT* outline_it) { C_OUTLINE_IT* outline_it) {
CrackPos pos = {free_cracks, x, y }; CrackPos pos = {free_cracks, x, y };
int xmax; // max x coord int xmax; // max x coord
int colour; // of current pixel
int prevcolour; // of previous pixel int prevcolour; // of previous pixel
CRACKEDGE *current; // current h edge CRACKEDGE *current; // current h edge
CRACKEDGE *newcurrent; // new h edge CRACKEDGE *newcurrent; // new h edge
@ -160,7 +159,7 @@ void line_edges(int16_t x, // coord of line start
// do each pixel // do each pixel
for (; pos.x < xmax; pos.x++, prevline++) { for (; pos.x < xmax; pos.x++, prevline++) {
colour = *bwpos++; // current pixel const int colour = *bwpos++; // current pixel
if (*prevline != nullptr) { if (*prevline != nullptr) {
// changed above // changed above
// change colour // change colour