/* This is a small demo of the high-performance GUIX graphics framework. */ #include #include "gx_api.h" #include "all_widgets_24xrgb_rotated_cw_binary_resources.h" #include "all_widgets_24xrgb_rotated_cw_binary_specifications.h" GX_WINDOW *pLineWin = &lines_screen.lines_screen_line_window; int lines_screen_line_angle = 0; int lines_screen_line_width = 1; GX_BOOL lines_screen_anti_aliased = GX_FALSE; GX_BOOL lines_screen_rounded = GX_FALSE; GX_RESOURCE_ID lines_screen_line_color = GX_COLOR_ID_BLACK; GX_UBYTE lines_screen_brush_alpha = 255; int line_x1; int line_x2; int line_y1; int line_y2; int lines_screen_line_length = 100; /* Define prototypes. */ VOID PopulateDropList(void); VOID calculate_line_ends(VOID) { INT scaled_angle; INT x_dist; INT y_dist; INT x_center = (pLineWin->gx_widget_size.gx_rectangle_left + pLineWin->gx_widget_size.gx_rectangle_right) / 2; INT y_center = (pLineWin->gx_widget_size.gx_rectangle_top + pLineWin->gx_widget_size.gx_rectangle_bottom) / 2; scaled_angle = GX_FIXED_VAL_MAKE(lines_screen_line_angle); x_dist = GX_FIXED_VAL_TO_INT(gx_utility_math_cos(scaled_angle) * lines_screen_line_length); y_dist = GX_FIXED_VAL_TO_INT(gx_utility_math_sin(scaled_angle) * lines_screen_line_length); line_x1 = x_center - x_dist; line_x2 = x_center + x_dist; line_y1 = y_center - y_dist; line_y2 = y_center + y_dist; } VOID update_prompt(GX_RESOURCE_ID id, INT value) { GX_PROMPT *pp; static GX_CHAR val[10]; gx_widget_find((GX_WIDGET *)&lines_screen, (USHORT)id, 0, &pp); if (pp) { gx_utility_ltoa(value, val, 10); gx_prompt_text_set(pp, val); } } UINT main_event_handler(GX_WINDOW *window, GX_EVENT *myevent) { UINT status = 0; switch(myevent -> gx_event_type) { case GX_SIGNAL(ID_BRUSH_ALPHA_SLIDER, GX_EVENT_SLIDER_VALUE): lines_screen_brush_alpha = (GX_UBYTE)myevent->gx_event_payload.gx_event_longdata; update_prompt(ID_BRUSH_ALPHA_PROMPT, lines_screen_brush_alpha); gx_system_dirty_mark(pLineWin); break; case GX_SIGNAL(ID_LINE_WIDTH, GX_EVENT_SLIDER_VALUE): lines_screen_line_width = myevent ->gx_event_payload.gx_event_longdata; update_prompt(ID_WIDTH_DISPLAY, lines_screen_line_width); gx_system_dirty_mark(pLineWin); break; case GX_SIGNAL(ID_LINE_ANGLE, GX_EVENT_SLIDER_VALUE): lines_screen_line_angle = myevent ->gx_event_payload.gx_event_longdata; update_prompt(ID_ANGLE_DISPLAY, lines_screen_line_angle); calculate_line_ends(); gx_system_dirty_mark(pLineWin); break; case GX_SIGNAL(ID_ANTI_ALIASED, GX_EVENT_TOGGLE_ON): lines_screen_anti_aliased = GX_TRUE; gx_system_dirty_mark(pLineWin); break; case GX_SIGNAL(ID_ANTI_ALIASED, GX_EVENT_TOGGLE_OFF): lines_screen_anti_aliased = GX_FALSE; gx_system_dirty_mark(pLineWin); break; case GX_SIGNAL(ID_ROUNDED, GX_EVENT_TOGGLE_ON): lines_screen_rounded = GX_TRUE; gx_system_dirty_mark(pLineWin); break; case GX_SIGNAL(ID_ROUNDED, GX_EVENT_TOGGLE_OFF): lines_screen_rounded = GX_FALSE; gx_system_dirty_mark(pLineWin); break; case GX_SIGNAL(ID_COLOR_BLACK, GX_EVENT_RADIO_SELECT): lines_screen_line_color = GX_COLOR_ID_BLACK; gx_system_dirty_mark(pLineWin); break; case GX_SIGNAL(ID_COLOR_WHITE, GX_EVENT_RADIO_SELECT): lines_screen_line_color = GX_COLOR_ID_WHITE; gx_system_dirty_mark(pLineWin); break; case GX_SIGNAL(ID_COLOR_ORANGE, GX_EVENT_RADIO_SELECT): lines_screen_line_color = GX_COLOR_ID_ORANGE; gx_system_dirty_mark(pLineWin); break; default: status = next_button_handler(window, myevent); break; } return status; } VOID line_win_draw(GX_WINDOW *window) { ULONG brush_style = 0; GX_BRUSH *brush; GX_RECTANGLE *size; gx_window_draw((GX_WINDOW*) window); gx_context_brush_get(&brush); brush -> gx_brush_alpha = lines_screen_brush_alpha; if (lines_screen_anti_aliased) { brush_style |= GX_BRUSH_ALIAS; } if (lines_screen_rounded) { brush_style |= GX_BRUSH_ROUND; } gx_context_brush_define(lines_screen_line_color, window ->gx_widget_normal_fill_color, brush_style); gx_context_brush_width_set(lines_screen_line_width); /* Draw pattern lines. */ size = &window->gx_widget_size; gx_context_brush_pattern_set(0xf8fcfeff); gx_canvas_line_draw(size->gx_rectangle_left + 5, size->gx_rectangle_top + 5, size->gx_rectangle_left + 5, size->gx_rectangle_bottom - 5); gx_context_brush_pattern_set(0xf0f0f0f0); gx_canvas_line_draw(size->gx_rectangle_left + 5, size->gx_rectangle_top + 5, size->gx_rectangle_right - 5, size->gx_rectangle_top + 5); gx_context_brush_pattern_set(0xaaaaaaaa); gx_canvas_line_draw(size->gx_rectangle_left + 5, size->gx_rectangle_bottom - 5, size->gx_rectangle_right - 5, size->gx_rectangle_bottom - 5); gx_context_brush_pattern_set(0x33333333); gx_canvas_line_draw(size->gx_rectangle_right - 5, size->gx_rectangle_top + 5, size->gx_rectangle_right - 5, size->gx_rectangle_bottom - 5); gx_context_brush_pattern_set(0); calculate_line_ends(); gx_canvas_line_draw(line_x1, line_y1, line_x2, line_y2); }