phundrak/surfaces-unies
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added base for compressing function

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Phuntsok Drak-pa 2018-11-07 01:03:55 +01:00
parent 07c5c1c28f
commit 33d8e8aac5
1 changed files with 14 additions and 3 deletions
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17
src/common.c
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@ -1,4 +1,5 @@
#include "common.h" #include "common.h"
#include "ppm.h"
bool sameColor(Pixel_t t_pixel, Zone_t t_zone) { bool sameColor(Pixel_t t_pixel, Zone_t t_zone) {
return t_pixel->r == t_zone->r && t_pixel->g == t_zone->g && return t_pixel->r == t_zone->r && t_pixel->g == t_zone->g &&
@ -10,7 +11,7 @@ bool sameColor(Pixel_t t_pixel, Zone_t t_zone) {
original as parts of the segment and add the segment itself to the zone */ original as parts of the segment and add the segment itself to the zone */
void addPixelToSelectedZone(Image_t t_img, int t_idx, Zone_t t_zone) { void addPixelToSelectedZone(Image_t t_img, int t_idx, Zone_t t_zone) {
Pixel_t current_pixel; Pixel_t current_pixel;
int xd, xg; int xd, xg, y = t_idx / (int)t_img->x;
current_pixel = darrayGet(t_img->pixels, t_idx); current_pixel = darrayGet(t_img->pixels, t_idx);
if (current_pixel->visited || t_idx >= (int)darraySize(t_img->pixels) || if (current_pixel->visited || t_idx >= (int)darraySize(t_img->pixels) ||
t_idx < 0 || !sameColor(current_pixel, t_zone)) { t_idx < 0 || !sameColor(current_pixel, t_zone)) {
@ -24,7 +25,7 @@ void addPixelToSelectedZone(Image_t t_img, int t_idx, Zone_t t_zone) {
} }
(*current_pixel).visited = true; (*current_pixel).visited = true;
} }
for(xg = t_idx; xg % t_img->x >= 0; --xg) { /* fetch right limit of segment */ for(xg = t_idx; xg - y >= 0; --xg) { /* fetch right limit of segment */
current_pixel = darrayGet(t_img->pixels, xd); current_pixel = darrayGet(t_img->pixels, xd);
if(!sameColor(current_pixel, t_zone)) { if(!sameColor(current_pixel, t_zone)) {
break; break;
@ -32,7 +33,7 @@ void addPixelToSelectedZone(Image_t t_img, int t_idx, Zone_t t_zone) {
(*current_pixel).visited = true; (*current_pixel).visited = true;
} }
/* Add segment to its zone */ /* Add segment to its zone */
darrayPushBack(t_zone->segments, newSegment(t_idx / t_img->x, xd, xg)); darrayPushBack(t_zone->segments, newSegment(y, xd, xg));
for(; xg <= xd; ++xg) { /* process every pixel up and down the segment */ for(; xg <= xd; ++xg) { /* process every pixel up and down the segment */
addPixelToSelectedZone(t_img, t_idx + t_img->x, t_zone); addPixelToSelectedZone(t_img, t_idx + t_img->x, t_zone);
} }
@ -68,3 +69,13 @@ darray_t imgToZones(Image_t t_img) {
} }
return zones; return zones;
} }
void compress(char *input_file) {
Image_t img;
darray_t zones;
img = newImage();
imageLoadPPM(input_file, img);
zones = imgToZones(img);
darrayDelete(zones);
deleteImage(img);
}