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Added crosshairs to Shift magic tool.

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This commit is contained in:
William Kendrick 2007-08-20 18:12:05 +00:00
parent bf95c8a5e4
commit dfdcaa353d
1 changed files with 54 additions and 4 deletions
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58
magic/src/shift.c
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@ -23,7 +23,7 @@
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
(See COPYING.txt)
Last updated: August 9, 2007
Last updated: August 20, 2007
$Id$
*/
@ -42,6 +42,12 @@ int shift_x, shift_y;
Mix_Chunk * shift_snd;
void shift_doit(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * last, int ox, int oy, int x, int y,
SDL_Rect * update_rect, int crosshairs);
Uint32 shift_api_version(void) { return(TP_MAGIC_API_VERSION); }
@ -91,14 +97,21 @@ char * shift_get_description(magic_api * api, int which)
void shift_drag(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * last, int ox, int oy, int x, int y,
SDL_Rect * update_rect)
{
if (ox == x && oy == y)
return; /* No-op */
shift_doit(api, which, canvas, last, ox, oy, x, y, update_rect, 1);
}
void shift_doit(magic_api * api, int which, SDL_Surface * canvas,
SDL_Surface * last, int ox, int oy, int x, int y,
SDL_Rect * update_rect, int crosshairs)
{
SDL_Rect dest;
int dx, dy;
if (ox == x && oy == y)
return; /* No-op */
dx = x - shift_x;
dy = y - shift_y;
@ -209,6 +222,39 @@ void shift_drag(magic_api * api, int which, SDL_Surface * canvas,
}
if (crosshairs)
{
dest.x = (canvas->w / 2) - 1;
dest.y = 0;
dest.w = 3;
dest.h = canvas->h;
SDL_FillRect(canvas, &dest, SDL_MapRGB(canvas->format, 255, 255, 255));
dest.x = 0;
dest.y = (canvas->h / 2) - 1;
dest.w = canvas->w;
dest.h = 3;
SDL_FillRect(canvas, &dest, SDL_MapRGB(canvas->format, 255, 255, 255));
dest.x = canvas->w / 2;
dest.y = 0;
dest.w = 1;
dest.h = canvas->h;
SDL_FillRect(canvas, &dest, SDL_MapRGB(canvas->format, 0, 0, 0));
dest.x = 0;
dest.y = canvas->h / 2;
dest.w = canvas->w;
dest.h = 1;
SDL_FillRect(canvas, &dest, SDL_MapRGB(canvas->format, 0, 0, 0));
}
/* Update everything! */
update_rect->x = 0;
@ -226,6 +272,8 @@ void shift_click(magic_api * api, int which,
{
shift_x = x;
shift_y = y;
shift_doit(api, which, canvas, last, x, y, x, y, update_rect, 1);
}
// Affect the canvas on release:
@ -233,8 +281,10 @@ void shift_release(magic_api * api, int which,
SDL_Surface * canvas, SDL_Surface * last,
int x, int y, SDL_Rect * update_rect)
{
shift_doit(api, which, canvas, last, x, y, x, y, update_rect, 0);
}
// No setup happened:
void shift_shutdown(magic_api * api)
{