| 1,10 → 1,14 |
|---|
| #define MAX_CELL_SIZE 256 |
| |
| struct _image |
| { |
| unsigned rows, columns; |
| dword mas[32*32]; |
| dword mas[MAX_CELL_SIZE*MAX_CELL_SIZE]; |
| dword img; |
| void create(); |
| void set_pixel(); |
| void draw_line(); |
| void fill(); |
| void set_image(); |
| dword get_pixel(); |
| dword get_image(); |
| 24,6 → 28,82 |
|---|
| mas[columns*_r + _c] = _color; |
| } |
| |
| void _image::draw_line(int x1, int y1, int x2, int y2, dword color) { |
| int dx, dy, signX, signY, error, error2; |
| |
| dx = x2 - x1; |
| |
| if (dx < 0) |
| dx = -dx; |
| |
| dy = y2 - y1; |
| |
| if (dy < 0) |
| dy = -dy; |
| |
| if (x1 < x2) |
| signX = 1; |
| else |
| signX = -1; |
| |
| if (y1 < y2) |
| signY = 1; |
| else |
| signY = -1; |
| |
| error = dx - dy; |
| |
| set_pixel(y2, x2, color); |
| |
| while((x1 != x2) || (y1 != y2)) |
| { |
| set_pixel(y1, x1, color); |
| |
| error2 = error * 2; |
| |
| if(error2 > calc(-dy)) |
| { |
| error -= dy; |
| x1 += signX; |
| } |
| |
| if(error2 < dx) |
| { |
| error += dx; |
| y1 += signY; |
| } |
| } |
| } |
| |
| void _image::fill(int _r, _c, _color) |
| { |
| #define MARKED 6 |
| int r, c, i, restart; |
| |
| dword old_color = get_pixel(_r, _c); |
| set_pixel(_r, _c, MARKED); |
| |
| do { |
| restart=false; |
| for (r = 0; r < rows; r++) |
| for (c = 0; c < columns; c++) |
| { |
| IF (get_pixel(r,c) != old_color) continue; |
| IF (get_pixel(r,c) == MARKED) continue; |
| |
| IF (c>0) && (get_pixel(r,c-1) == MARKED) set_pixel(r,c,MARKED); |
| IF (r>0) && (get_pixel(r-1,c) == MARKED) set_pixel(r,c,MARKED); |
| IF (c<columns-1) && (get_pixel(r,c+1) == MARKED) set_pixel(r,c,MARKED); |
| IF (r<rows-1) && (get_pixel(r+1,c) == MARKED) set_pixel(r,c,MARKED); |
| |
| IF (get_pixel(r,c)==MARKED) restart=true; |
| } |
| }while(restart); |
| |
| for (i=0; i<columns*rows; i++) |
| IF (mas[i]==MARKED) mas[i] = _color; |
| } |
| |
| dword _image::get_pixel(int _r, _c) |
| { |
| return mas[columns*_r + _c]; |