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Fisheye improvement (works with drag again, this time sensibly).

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This commit is contained in:
William Kendrick 2009-06-21 18:14:09 +00:00
parent 1f014fc60d
commit 294b2314f1
2 changed files with 17 additions and 8 deletions
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21
magic/src/fisheye.c
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@ -32,6 +32,7 @@
#include "SDL_mixer.h"
Mix_Chunk * fisheye_snd;
int last_x, last_y;
// Housekeeping functions
@ -102,7 +103,11 @@ void fisheye_draw(void * ptr, int which, SDL_Surface * canvas, SDL_Surface * las
int xx, yy;
unsigned short int i;
/*SDL_BlitSurface(canvas, NULL, last, NULL); */
if(api->in_circle(last_x - x, last_y - y, 80)) return;
last_x = x;
last_y = y;
oryg=SDL_CreateRGBSurface(SDL_ANYFORMAT, 80, 80, canvas->format->BitsPerPixel,
canvas->format->Rmask, canvas->format->Gmask, canvas->format->Bmask, canvas->format->Amask);
@ -212,17 +217,21 @@ void fisheye_drag(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * snapshot, int ox, int oy, int x, int y,
SDL_Rect * update_rect)
{
api->line(api, which, canvas, snapshot, ox, oy, x, y, 1, fisheye_draw);
update_rect->x = min(ox, x) - 40;
update_rect->y = min(oy, y) - 40;
update_rect->w = max(ox, x) - update_rect->x + 40;
update_rect->h = max(oy, y) - update_rect->y + 40;
}
void fisheye_click(magic_api * api, int which, int mode,
SDL_Surface * canvas, SDL_Surface * last,
int x, int y, SDL_Rect * update_rect)
{
fisheye_draw(api, which, canvas, last, x, y);
update_rect->x=x-40;
update_rect->y=y-40;
update_rect->w=update_rect->h=80;
last_x = -80; /* A value that will be beyond any clicked position */
last_y = -80;
fisheye_drag(api, which, canvas, last, x, y, x, y, update_rect);
}
void fisheye_switchin(magic_api * api, int which, int mode, SDL_Surface * canvas)