/* This is a small demo of the high-performance GUIX graphics framework. */ #include #include #include "gx_api.h" #include "gx_canvas.h" #include "graphics_palette_resources.h" #include "graphics_palette_specifications.h" MAIN_WINDOW_CONTROL_BLOCK *pMainWin; ELLIPSE_WINDOW_CONTROL_BLOCK *pEllipseWin; GX_WINDOW *pGraphicsWin; GX_RESOURCE_ID line_color = GX_COLOR_ID_CANVAS; GX_RESOURCE_ID fill_color = GX_COLOR_ID_SCROLL_BUTTON; INT start_angle = 0; INT end_angle = 90; INT radius = 100; GX_BOOL anti_aliased = GX_TRUE; GX_BOOL solid_fill = GX_TRUE; GX_BOOL round_end = GX_TRUE; GX_BOOL pixelmap_fill = GX_FALSE; INT transparent = 0; INT compress = 0; INT brush_width = 1; GX_RESOURCE_ID pixelmap_id= 2; GX_RESOURCE_ID fill_map[4] = { GX_PIXELMAP_ID_RAW, GX_PIXELMAP_ID_COMPRESSED, GX_PIXELMAP_ID_TRANSPARENT, GX_PIXELMAP_ID_CMOPRESSED_TRANSPARENT }; #define CIRCLE 0 #define ARC 1 #define PIE 2 #define POLYGON 3 #define ELLIPSE 4 INT draw_shape = CIRCLE; INT pre_shape; INT a = 100; INT b = 50; /* Define the ThreadX demo thread control block and stack. */ TX_THREAD demo_thread; UCHAR demo_thread_stack[4096]; GX_WINDOW_ROOT *root; /* Define prototypes. */ VOID demo_thread_entry(ULONG thread_input); extern UINT win32_graphics_driver_setup_8bit_palette(GX_DISPLAY *display); int main(int argc, char ** argv) { tx_kernel_enter(); return(0); } VOID tx_application_define(void *first_unused_memory) { /* Create the main demo thread. */ tx_thread_create(&demo_thread, "GUIX Demo Thread", demo_thread_entry, 0, demo_thread_stack, sizeof(demo_thread_stack), 1, 1, TX_NO_TIME_SLICE, TX_AUTO_START); } VOID demo_thread_entry(ULONG thread_input) { /* Initialize GUIX. */ gx_system_initialize(); gx_studio_display_configure(DISPLAY_1, win32_graphics_driver_setup_8bit_palette, LANGUAGE_ENGLISH, DISPLAY_1_DEFAULT_THEME, &root); /* create the main screen */ gx_studio_named_widget_create("main_window", (GX_WIDGET *) root, (GX_WIDGET **) &pMainWin); /* create the ellipse screen */ gx_studio_named_widget_create("ellipse_window", GX_NULL, (GX_WIDGET **) &pEllipseWin); /* get a pointer to polygon window */ pGraphicsWin = &pMainWin -> main_window_graphics_window; /* Show the root window to make it and patients screen visible. */ gx_widget_show(root); /* let GUIX run */ gx_system_start(); } VOID update_prompt_value(GX_PROMPT *pp, INT value) { GX_STRING str; static GX_CHAR str_buf[10]; if(pp) { gx_utility_ltoa(value, str_buf, 10); str.gx_string_ptr = str_buf; str.gx_string_length = strnlen(str_buf, 10); gx_prompt_text_set_ext(pp, &str); } } void ToggleScreen(GX_WINDOW *new_win, GX_WINDOW *old_win) { if (!new_win->gx_widget_parent) { gx_widget_attach(root, (GX_WIDGET *) new_win); } else { gx_widget_show((GX_WIDGET *) new_win); } gx_widget_hide((GX_WIDGET *) old_win); } UINT main_event_handler(GX_WINDOW *window, GX_EVENT *myevent) { UINT status = 0; GX_PROMPT *prompt; switch(myevent -> gx_event_type) { case GX_SIGNAL(ID_NEXT_PAGE, GX_EVENT_CLICKED): switch(window ->gx_widget_id) { case ID_CIRCLE_SCREEN: /* we are on button window, switch to window */ ToggleScreen((GX_WINDOW *)pEllipseWin, window); pGraphicsWin = &pEllipseWin -> ellipse_window_graphics_window; pre_shape = draw_shape; draw_shape = ELLIPSE; break; case ID_ELLIPSE_SCREEN: ToggleScreen((GX_WINDOW *)pMainWin, window); pGraphicsWin = &pMainWin -> main_window_graphics_window; draw_shape = pre_shape; break; } break; case GX_SIGNAL(ID_A_SLIDER, GX_EVENT_SLIDER_VALUE): a = myevent ->gx_event_payload.gx_event_longdata; prompt = &pEllipseWin->ellipse_window_a_prompt; update_prompt_value(prompt, a); gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_B_SLIDER, GX_EVENT_SLIDER_VALUE): b = myevent ->gx_event_payload.gx_event_longdata; prompt = &pEllipseWin->ellipse_window_b_prompt; update_prompt_value(prompt, b); gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_START_ANGLE_SLIDER, GX_EVENT_SLIDER_VALUE): start_angle = myevent ->gx_event_payload.gx_event_longdata; prompt = &pMainWin->main_window_start_angle_prompt; update_prompt_value(prompt, start_angle); gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_END_ANGLE_SLIDER, GX_EVENT_SLIDER_VALUE): end_angle = myevent ->gx_event_payload.gx_event_longdata; prompt = &pMainWin->main_window_end_angle_prompt; update_prompt_value(prompt, end_angle); gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_RADIUS_SLIDER, GX_EVENT_SLIDER_VALUE): radius = myevent ->gx_event_payload.gx_event_longdata; prompt = &pMainWin->main_window_radius_prompt; update_prompt_value(prompt, radius); gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_BRUSH_WIDTH, GX_EVENT_SLIDER_VALUE): brush_width = myevent->gx_event_payload.gx_event_longdata; prompt = &pMainWin->main_window_brush_width_prompt; update_prompt_value(prompt, brush_width); gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_ANTI_ALIASED, GX_EVENT_TOGGLE_ON): anti_aliased = GX_TRUE; gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_ANTI_ALIASED, GX_EVENT_TOGGLE_OFF): anti_aliased = GX_FALSE; gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_ROUND_END, GX_EVENT_TOGGLE_ON): round_end = GX_TRUE; gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_ROUND_END, GX_EVENT_TOGGLE_OFF): round_end = GX_FALSE; gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_SOLID_FILL, GX_EVENT_TOGGLE_ON): solid_fill = GX_TRUE; gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_SOLID_FILL, GX_EVENT_TOGGLE_OFF): solid_fill = GX_FALSE; gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_PIXELMAP_FILL, GX_EVENT_TOGGLE_ON): pixelmap_fill = GX_TRUE; gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_PIXELMAP_FILL, GX_EVENT_TOGGLE_OFF): pixelmap_fill = GX_FALSE; gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_WALLPAPER, GX_EVENT_TOGGLE_ON): gx_window_wallpaper_set(pGraphicsWin, GX_PIXELMAP_ID_CHECKBOX_OFF, GX_TRUE); break; case GX_SIGNAL(ID_WALLPAPER, GX_EVENT_TOGGLE_OFF): gx_window_wallpaper_set(pGraphicsWin, GX_NULL, GX_TRUE); break; case GX_SIGNAL(ID_BLACK, GX_EVENT_RADIO_SELECT): fill_color = GX_COLOR_ID_CANVAS; gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_FRESHCOLOR, GX_EVENT_RADIO_SELECT): fill_color = GX_COLOR_ID_SCROLL_BUTTON; gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_CIRCLE, GX_EVENT_RADIO_SELECT): draw_shape = CIRCLE; gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_ARC, GX_EVENT_RADIO_SELECT): draw_shape = ARC; gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_PIE, GX_EVENT_RADIO_SELECT): draw_shape = PIE; gx_system_dirty_mark(pGraphicsWin); break; case GX_SIGNAL(ID_POLYGON, GX_EVENT_RADIO_SELECT): draw_shape = POLYGON; gx_system_dirty_mark(pGraphicsWin); break; default: status = gx_window_event_process(window, myevent); break; } return status; } VOID graphics_draw(GX_WINDOW *window) { ULONG brush_style = 0; GX_POINT rectangle[4] = {{188, 50}, {254, 50}, {254, 150}, {188, 150}}; GX_POINT pentagon[5] = {{290, 90}, {335, 50}, {380, 90}, {360, 150}, {310, 150}}; GX_POINT concave[6] = {{50, 50}, {90, 80}, {130, 50}, {130, 150}, {90, 110}, {50, 150}}; GX_POINT star[10] = {{173, 232}, {212, 232}, {223, 192}, {237, 232}, {273, 232}, {244, 258}, {256, 299}, {226, 275}, {192, 298}, {203, 258}}; GX_POINT self_intersection[8] = {{110, 326}, {189, 420}, {266, 326}, {334, 420}, {334, 326}, {264, 420}, {189, 326}, {110, 420}}; gx_window_draw((GX_WINDOW*) window); if(anti_aliased) { brush_style |= GX_BRUSH_ALIAS; } if(round_end) { brush_style |= GX_BRUSH_ROUND; } if(solid_fill) { brush_style |= GX_BRUSH_SOLID_FILL; } if (pixelmap_fill) { brush_style |= GX_BRUSH_PIXELMAP_FILL; gx_context_pixelmap_set(fill_map[pixelmap_id]); /* Set same brush color and style with function gx_context_brush_define(). Just add this to test more functions. */ gx_context_raw_line_color_set(0); gx_context_brush_style_set(brush_style); } else { gx_context_brush_define(line_color, fill_color, brush_style); } gx_context_brush_width_set(brush_width); switch(draw_shape) { case CIRCLE: if (!pixelmap_fill) { gx_context_raw_fill_color_set(GX_COLOR_GREEN); gx_context_raw_line_color_set(GX_COLOR_YELLOW); } gx_canvas_circle_draw(213, 230, radius); break; case ARC: gx_canvas_arc_draw(213, 230, radius, start_angle, end_angle); break; case PIE: gx_canvas_pie_draw(213, 230, radius, start_angle, end_angle); gx_context_fill_color_set(GX_COLOR_ID_SHINE); if (pixelmap_fill) { gx_context_pixelmap_set(GX_PIXELMAP_ID_CHECKBOX_ON); } gx_canvas_pie_draw(213, 230, radius, end_angle, end_angle + 30); break; case POLYGON: gx_canvas_polygon_draw(rectangle, 4); gx_canvas_polygon_draw(pentagon, 5); gx_canvas_polygon_draw(concave, 6); gx_canvas_polygon_draw(star, 10); gx_canvas_polygon_draw(self_intersection, 8); break; case ELLIPSE: gx_canvas_ellipse_draw(213, 230, a, b); break; } }