diff options
Diffstat (limited to 'opengl/modules/pdp_3d_color.c')
| -rw-r--r-- | opengl/modules/pdp_3d_color.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/opengl/modules/pdp_3d_color.c b/opengl/modules/pdp_3d_color.c new file mode 100644 index 0000000..b237e9a --- /dev/null +++ b/opengl/modules/pdp_3d_color.c @@ -0,0 +1,167 @@ +/* + * Pure Data Packet module. + * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + + +#include <GL/gl.h> +#include "pdp_3dp_base.h" +#include "pdp_opengl.h" + + +typedef struct _color_command +{ + t_pdp_dpd_command x_base; + int x_context; + float x_newcolor[4]; + float x_oldcolor[4]; +} t_color_command; + +typedef struct _pdp_3d_color +{ + t_pdp_3dp_base x_base; + t_pdp_dpd_commandfactory x_cfact; + + float x_red; + float x_green; + float x_blue; + float x_alpha; + +} t_pdp_3d_color; + + + +/* COMMAND METHODS */ +static void pdp_3d_color_process_right(t_color_command *x) +{ + int p = x->x_context; + if (pdp_packet_3Dcontext_isvalid(p)){ + pdp_packet_3Dcontext_set_rendering_context(p); + + /* save old color*/ + glGetFloatv(GL_CURRENT_COLOR, x->x_oldcolor); + + /* set new color */ + glColor4fv(x->x_newcolor); + } + +} + +static void pdp_3d_color_process_left(t_color_command *x) +{ + int p = x->x_context; + if (pdp_packet_3Dcontext_isvalid(p)){ + pdp_packet_3Dcontext_set_rendering_context(p); + + /* restore old color */ + glColor4fv(x->x_oldcolor); + //glColor4f(1,1,1,1); + } + /* kill self */ + pdp_dpd_command_suicide(x); +} + + +/* PD OBJECT METHODS */ +static void *pdp_3d_color_get_new_command(t_pdp_3d_color *x) +{ + t_color_command *c = (t_color_command *)pdp_dpd_commandfactory_get_new_command(&x->x_cfact); + c->x_newcolor[0] = x->x_red; + c->x_newcolor[1] = x->x_green; + c->x_newcolor[2] = x->x_blue; + c->x_newcolor[3] = x->x_alpha; + c->x_context = pdp_3dp_base_get_context_packet(x); + return (void *)c; +} + + +static void pdp_3d_color_set_r(t_pdp_3d_color *x, t_floatarg f) {x->x_red = f;} +static void pdp_3d_color_set_g(t_pdp_3d_color *x, t_floatarg f) {x->x_green = f;} +static void pdp_3d_color_set_b(t_pdp_3d_color *x, t_floatarg f) {x->x_blue = f;} +static void pdp_3d_color_set_a(t_pdp_3d_color *x, t_floatarg f) {x->x_alpha = f;} + + +t_class *pdp_3d_color_class; + + +void pdp_3d_color_free(t_pdp_3d_color *x) +{ + pdp_3dp_base_free(x); +} + +void *pdp_3d_color_new(t_floatarg r, t_floatarg g, t_floatarg b, t_floatarg a) +{ + t_pdp_3d_color *x = (t_pdp_3d_color *)pd_new(pdp_3d_color_class); + + /* super init */ + pdp_3dp_base_init(x); + + + /* input */ + pdp_base_add_gen_inlet(x, gensym("float"), gensym("r")); + pdp_base_add_gen_inlet(x, gensym("float"), gensym("g")); + pdp_base_add_gen_inlet(x, gensym("float"), gensym("b")); + pdp_base_add_gen_inlet(x, gensym("float"), gensym("a")); + + /* output */ + pdp_3dp_base_add_outlet(x, (t_pdp_method)pdp_3d_color_process_left, 0); + pdp_3dp_base_add_outlet(x, (t_pdp_method)pdp_3d_color_process_right, 0); + + x->x_red = r; + x->x_green = g; + x->x_blue = b; + x->x_alpha = a; + + /* init factory */ + pdp_dpd_commandfactory_init(&x->x_cfact, sizeof(t_color_command)); + + /* register command factory method */ + pdp_dpd_base_register_command_factory_method(x, (t_pdp_newmethod)pdp_3d_color_get_new_command); + + return (void *)x; +} + + +#ifdef __cplusplus +extern "C" +{ +#endif + + +void pdp_3d_color_setup(void) +{ + + + pdp_3d_color_class = class_new(gensym("3dp_color"), (t_newmethod)pdp_3d_color_new, + (t_method)pdp_3d_color_free, sizeof(t_pdp_3d_color), 0, + A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_NULL); + + + pdp_3dp_base_setup(pdp_3d_color_class); + + class_addmethod(pdp_3d_color_class, (t_method)pdp_3d_color_set_r, gensym("r"), A_FLOAT, A_NULL); + class_addmethod(pdp_3d_color_class, (t_method)pdp_3d_color_set_g, gensym("g"), A_FLOAT, A_NULL); + class_addmethod(pdp_3d_color_class, (t_method)pdp_3d_color_set_b, gensym("b"), A_FLOAT, A_NULL); + class_addmethod(pdp_3d_color_class, (t_method)pdp_3d_color_set_a, gensym("a"), A_FLOAT, A_NULL); + + +} + +#ifdef __cplusplus +} +#endif |