Mercurial > MadButterfly
view examples/dynamic/main.c @ 842:76fe4afce640
The inkscape:bbox is defined as the global coordinate system. However, the center.x and center.y must be the coordiante system of the parent group of the SVG entity. Therefore, we need to do coordinate transformation from the global coordination system to the local coordination system.
author | wycc |
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date | Sat, 18 Sep 2010 21:23:51 +0800 |
parents | 26c302b47de1 |
children | 36a63287e1d4 |
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/*! \file * * svg2code_ex is an example that show programmers how to create a * menu with MadButterfly. * */ #include <stdio.h> #include <mb.h> #include <string.h> //#include "menu.h" #include "mb_af.h" typedef struct { shape_t *rect; co_aix orx,ory; int start_x,start_y; observer_t *obs1,*obs2; int currentscene; } app_data_t; #define CMOUSE(e) (coord_get_mouse_event(e)) static void add_rect_move(event_t *evt, void *arg) { app_data_t *en = MBAF_DATA((mbaf_t *)arg,app_data_t ); mouse_event_t *mev = (mouse_event_t *) evt; printf("resize rectangle\n"); sh_rect_set(en->rect, en->start_x, en->start_y, mev->x - en->start_x, mev->y-en->start_y,0,0); rdman_shape_changed(MBAF_RDMAN(arg),en->rect); rdman_redraw_changed(MBAF_RDMAN(arg)); } static void add_rect_release(event_t *evt, void *arg) { app_data_t *en = MBAF_DATA((mbaf_t *)arg,app_data_t ); mouse_event_t *mev = (mouse_event_t *) evt; printf("rectangle done\n"); subject_remove_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), en->obs1); subject_remove_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), en->obs2); } static void add_rect_2(event_t *evt, void *arg) { app_data_t *en = MBAF_DATA((mbaf_t *)arg,app_data_t ); mouse_event_t *mev = (mouse_event_t *) evt; paint_t *color; printf("select first point\n"); // Add an rect path en->start_x = mev->x; en->start_y = mev->y; subject_remove_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), en->obs1); subject_remove_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), en->obs2); en->obs1 = subject_add_event_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), EVT_MOUSE_MOVE, add_rect_move, en); en->obs2 = subject_add_event_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), EVT_MOUSE_BUT_RELEASE, add_rect_release, en); } static void add_rect_2_move(event_t *evt, void *arg) { app_data_t *en = MBAF_DATA((mbaf_t *)arg,app_data_t ); mouse_event_t *mev = (mouse_event_t *) evt; sh_rect_set(en->rect, mev->x, mev->y, 50,50,0,0); rdman_shape_changed(MBAF_RDMAN(arg),en->rect); rdman_redraw_changed(MBAF_RDMAN(arg)); } static void add_rect(event_t *evt, void *arg) { app_data_t *en = MBAF_DATA((mbaf_t *)arg,app_data_t ); mouse_event_t *mev = (mouse_event_t *) evt; paint_t *color; printf("menut selected\n"); en->obs1 = subject_add_event_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), EVT_MOUSE_BUT_PRESS, add_rect_2, en); en->obs2 = subject_add_event_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), EVT_MOUSE_MOVE, add_rect_2_move, en); en->rect = rdman_shape_rect_new(MBAF_RDMAN(arg), mev->x, mev->y, 50 , 50, 0,0); // Paint it with color en->obs1 = subject_add_event_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), EVT_MOUSE_BUT_PRESS, add_rect_2, en); en->obs2 = subject_add_event_observer(CMOUSE(MBAF_RDMAN(arg)->root_coord), EVT_MOUSE_MOVE, add_rect_2_move, en); en->rect = rdman_shape_rect_new(MBAF_RDMAN(arg), mev->x, mev->y, 50 , 50, 0,0); // Paint it with color color = rdman_paint_color_new(MBAF_RDMAN(arg), 0.800000, 0.800000, 0.400000, 1.000000); rdman_paint_fill(MBAF_RDMAN(arg), color, en->rect); // Add to the stage //rdman_add_shape(MBAF_RDMAN(arg), en->rect, en->menu->root_coord); } void test(void *a) { printf("Button is pressed.....\n"); } mbaf_t *app; void switch_scene(const mb_timeval_t *tmo, const mb_timeval_t *now,void *arg) { app_data_t *en = MBAF_DATA((mbaf_t *)arg,app_data_t ); mb_timeval_t timer,interval; get_now(&timer); MB_TIMEVAL_SET(&interval, 1 ,0); MB_TIMEVAL_ADD(&timer, &interval); mb_tman_timeout( mbaf_get_timer(app), &timer, switch_scene, app); en->currentscene = (en->currentscene + 1) % 2; printf("switch to scene %d\n", en->currentscene + 1); MB_SPRITE_GOTO_SCENE(app->rootsprite,en->currentscene + 1); } MyApp_InitContent() { mb_button_t *b; mb_sprite_t *sprite; sprite = sprite_load("button", app->rdman, app->rdman->root_coord); b = mb_button_new(app->rdman, sprite, "btn"); mb_button_add_onClick(b, test,NULL); } void draw_text() { } int main(int argc, char * const argv[]) { subject_t *subject; mb_obj_t *button; app_data_t data; mb_timeval_t tmo,interval; if (argc > 1) app = mbaf_init(argv[1], ""); else app = mbaf_init("scene", ".libs"); data.currentscene=0; draw_text(); mbaf_set_data(app,&data); MyApp_InitContent(); get_now(&tmo); MB_TIMEVAL_SET(&interval, 1 ,0); mb_tman_timeout( mbaf_get_timer(app), &tmo, switch_scene, app); mbaf_loop(app); return 0; } /* vim: set ts=4 */