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Remove dependency with Allegro library in algofill.cpp

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This commit is contained in:
David Capello 2014-08-21 22:24:55 -03:00
parent cab6ecbfda
commit 817fac5e6f
1 changed files with 14 additions and 15 deletions
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29
src/raster/algofill.cpp
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@ -14,31 +14,30 @@
#include "raster/image.h"
#include "raster/primitives.h"
#include <allegro.h>
#include <allegro/internal/aintern.h>
#include <limits.h>
#include <math.h>
#include <climits>
#include <cmath>
#include <vector>
namespace raster {
typedef struct FLOODED_LINE /* store segments which have been flooded */
{
short flags; /* status of the segment */
short lpos, rpos; /* left and right ends of segment */
short y; /* y coordinate of the segment */
int next; /* linked list if several per line */
} FLOODED_LINE;
struct FLOODED_LINE { // store segments which have been flooded
short flags; // status of the segment
short lpos, rpos; // left and right ends of segment
short y; // y coordinate of the segment
int next; // linked list if several per line
};
/* Note: a 'short' is not sufficient for 'next' above in some corner cases. */
static std::vector<FLOODED_LINE> flood_buf;
static int flood_count; /* number of flooded segments */
#define FLOOD_IN_USE 1
#define FLOOD_TODO_ABOVE 2
#define FLOOD_TODO_BELOW 4
#define FLOOD_LINE(c) (((FLOODED_LINE *)_scratch_mem) + c)
#define FLOOD_LINE(c) (&flood_buf[c])
static inline bool color_equal_32(color_t c1, color_t c2, int tolerance)
{
@ -232,7 +231,7 @@ static int flooder(Image *image, int x, int y,
}
p->next = c = flood_count++;
_grow_scratch_mem(sizeof(FLOODED_LINE) * flood_count);
flood_buf.resize(flood_count);
p = FLOOD_LINE(c);
}
@ -341,9 +340,9 @@ void algo_floodfill(Image* image, int x, int y,
}
/* set up the list of flooded segments */
_grow_scratch_mem(sizeof(FLOODED_LINE) * image->height());
flood_buf.resize(image->height());
flood_count = image->height();
FLOODED_LINE* p = (FLOODED_LINE*)_scratch_mem;
FLOODED_LINE* p = (FLOODED_LINE*)&flood_buf[0];
for (int c=0; c<flood_count; c++) {
p[c].flags = 0;
p[c].lpos = SHRT_MAX;