notgne2/tuxpaint-pencil-sharpener
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Modularize, but disable for now, snapping

Browse source 
It needs to be smarter than just snapping to NxN grid on canvas.
This commit is contained in:
Bill Kendrick 2024-01-14 11:50:36 -08:00
parent 474e513dde
commit 479cc5450f
1 changed files with 23 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

31
magic/src/n_pt_persp.c
View file

@ -11,6 +11,9 @@
provided with an alternative vanishing point). And in provided with an alternative vanishing point). And in
Novice mode, this plugin offers NO tools. Novice mode, this plugin offers NO tools.
TODO - See if we can get `snap_to()` working for
axon. & oblique drawing modes.
by Bill Kendrick <bill@newbreedsoftware.com> by Bill Kendrick <bill@newbreedsoftware.com>
December 12, 2023 - January 14, 2024 December 12, 2023 - January 14, 2024
@ -341,6 +344,7 @@ void n_pt_persp_switchout(magic_api * api, int which, int mode,
SDL_Surface * canvas); SDL_Surface * canvas);
void n_pt_persp_draw_points(magic_api * api, int tool, SDL_Surface * canvas); void n_pt_persp_draw_points(magic_api * api, int tool, SDL_Surface * canvas);
void n_pt_persp_draw_one_point(magic_api * api, SDL_Surface * canvas, int x, int y, int i); void n_pt_persp_draw_one_point(magic_api * api, SDL_Surface * canvas, int x, int y, int i);
void snap_to(int which, int * x, int * y);
Uint32 n_pt_persp_api_version(void) Uint32 n_pt_persp_api_version(void)
@ -588,8 +592,7 @@ void n_pt_persp_click(magic_api * api, int which, int mode ATTRIBUTE_UNUSED,
fflush(stdout); fflush(stdout);
#endif #endif
x = (x / SNAP) * SNAP; snap_to(which, &x, &y);
y = (y / SNAP) * SNAP;
tool = which_to_tool[which]; tool = which_to_tool[which];
@ -761,10 +764,8 @@ void n_pt_persp_drag(magic_api * api, int which,
int i, x1, y1, x2, y2; int i, x1, y1, x2, y2;
float slope; float slope;
old_x = (old_x / SNAP) * SNAP; snap_to(which, &old_x, &old_y);
old_y = (old_y / SNAP) * SNAP; snap_to(which, &x, &y);
x = (x / SNAP) * SNAP;
y = (y / SNAP) * SNAP;
#ifdef DEBUG #ifdef DEBUG
printf("\nn_pt_persp_drag\n"); printf("\nn_pt_persp_drag\n");
@ -1343,8 +1344,7 @@ void n_pt_persp_release(magic_api * api, int which,
fflush(stdout); fflush(stdout);
#endif #endif
x = (x / SNAP) * SNAP; snap_to(which, &x, &y);
y = (y / SNAP) * SNAP;
which = which_to_tool[which]; which = which_to_tool[which];
@ -1753,3 +1753,18 @@ void n_pt_persp_draw_one_point(magic_api * api, SDL_Surface * canvas, int x, int
} }
} }
} }
/* Snap to grids based on the tool */
void snap_to(int which, int * x, int * y) {
if (which == TOOL_ISO_DRAW) {
/* FIXME */
} else if (which == TOOL_DIM_DRAW) {
/* FIXME */
} else if (which == TOOL_TRI_DRAW) {
/* FIXME */
} else if (which == TOOL_OBLQ_DRAW || which == TOOL_OBLQ_DRAW_ALT) {
/* FIXME */
}
}