void rtgui_textbox_ondraw(rtgui_textbox_t *box)
{
/* draw button */
rtgui_rect_t rect;
struct rtgui_dc *dc;
rtgui_color_t fc;
RT_ASSERT(box != RT_NULL);
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(box));
if (dc == RT_NULL)
return;
/* get widget rect */
rtgui_widget_get_rect(RTGUI_WIDGET(box), &rect);
fc = RTGUI_WIDGET_FOREGROUND(box);
rtgui_rect_inflate(&rect, -1);
/* fill widget rect with white color */
RTGUI_WIDGET_BACKGROUND(box) = white;
rtgui_dc_fill_rect(dc, &rect);
rtgui_rect_inflate(&rect, 1);
/* draw border */
RTGUI_WIDGET_FOREGROUND(box) = RTGUI_RGB(123, 158, 189);
rtgui_dc_draw_rect(dc, &rect);
/* draw text */
RTGUI_WIDGET_FOREGROUND(box) = fc;
if (box->text != RT_NULL)
{
rect.x1 += RTGUI_WIDGET_DEFAULT_MARGIN;
/* draw single text */
if (box->flag & RTGUI_TEXTBOX_MASK)
{
/* draw mask char */
rt_size_t len = rt_strlen(box->text);
if (len > 0)
{
char *text_mask = rtgui_malloc(len + 1);
rt_memset(text_mask, box->mask_char, len + 1);
text_mask[len] = 0;
rtgui_dc_draw_text(dc, text_mask+box->first_pos, &rect);
rtgui_free(text_mask);
}
}
else
{
rtgui_dc_draw_text(dc, box->text+box->first_pos, &rect);
}
}
rtgui_dc_end_drawing(dc);
}
void tetris_refreshmap(struct rtgui_dc *dc) //刷新地图
{
rt_uint8_t i, j;
rt_uint8_t buf[5];
rtgui_rect_t rect = {XOFFSET, YOFFSET, XOFFSET + 240, YOFFSET + 400};
RTGUI_DC_FC(dc) = RTGUI_RGB(0x55, 0x55, 0x55);
rtgui_dc_fill_rect_forecolor(dc, &rect);
rect.x1 -= 10;
rect.x2 += 150;
rect.y1 -= 10;
rect.y2 += 10;
RTGUI_DC_FC(dc) = RTGUI_RGB(0x00, 0x00, 0xff);
rtgui_dc_draw_rect(dc, &rect);
rect.x1 += 290;
rect.x2 -= 30;
rect.y1 += 40;
rect.y2 -= 360;
RTGUI_DC_FC(dc) = RTGUI_RGB(0x00, 0x00, 0x00);
rtgui_dc_draw_text(dc, "下一个", &rect);
rect.y1 += 130;
rect.y2 += 130;
rtgui_dc_draw_text(dc, "总得分", &rect);
rect.y1 += 80;
rect.y2 += 80;
rtgui_dc_draw_text(dc, "LEVEL", &rect);
RTGUI_DC_FC(dc) = RTGUI_RGB(0xff, 0x00, 0x00);
rect.x1 += 20;
rect.x2 += 20;
rect.y1 -= 60;
rect.y2 -= 60;
rt_sprintf(buf, "%d", score);
rtgui_dc_fill_rect(dc, &rect);
rtgui_dc_draw_text(dc, buf, &rect);
rect.y1 += 80;
rect.y2 += 80;
rt_sprintf(buf, "%d", level);
rtgui_dc_fill_rect(dc, &rect);
rtgui_dc_draw_text(dc, buf, &rect);
for (i = 0; i < 25; i++)
{
for (j = 0; j < 15; j++)
{
if (tetris_map[j][i] != 0)
{
tetris_drawbox(dc, j, i, tetris_colors[tetris_map[j][i]]);
}
}
}
}
static void rtgui_combobox_ondraw(struct rtgui_combobox* box)
{
/* draw button */
rtgui_color_t bc;
struct rtgui_dc* dc;
struct rtgui_rect rect, r;
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(box));
if (dc == RT_NULL) return;
bc = RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box));
/* get widget rect */
rtgui_widget_get_rect(RTGUI_WIDGET(box), &rect);
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box)) = white;
/* fill widget rect with background color */
rtgui_dc_fill_rect(dc, &rect);
rtgui_dc_draw_rect(dc, &rect);
/* draw current item */
if (box->current_item < box->items_count)
{
rect.x1 += 5;
rtgui_dc_draw_text(dc, box->items[box->current_item].name, &rect);
}
/* restore background color */
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box)) = bc;
/* draw pull down button */
rect.x1 = rect.x2 - RTGUI_COMBOBOX_BUTTON_WIDTH;
rtgui_rect_inflate(&rect, -1);
rtgui_dc_fill_rect(dc, &rect);
if (box->pd_pressed == RT_TRUE) rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_SUNKEN);
else rtgui_dc_draw_border(dc, &rect, RTGUI_BORDER_RAISE);
r.x1 = 0;
r.y1 = 0;
r.x2 = 8;
r.y2 = 4;
rtgui_rect_moveto_align(&rect, &r, RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_dc_draw_byte(dc, r.x1, r.y1, 4, down_arrow);
/* end drawing */
rtgui_dc_end_drawing(dc);
return;
}
void tetris_drawbox(struct rtgui_dc *dc, rt_uint16_t bx, rt_uint16_t by, rtgui_color_t bcolor)
{
rtgui_rect_t rect = (rtgui_rect_t)
{
bx * 16 + XOFFSET,
by * 16 + YOFFSET,
bx * 16 + 15 + XOFFSET,
by * 16 + 15 + YOFFSET
};
RTGUI_DC_FC(dc) = RTGUI_RGB(0x00, 0x00, 0xff);
rtgui_dc_draw_rect(dc, &rect);
rect.x1++;
rect.x2--;
rect.y1++;
rect.y2--;
RTGUI_DC_FC(dc) = bcolor;
rtgui_dc_fill_rect_forecolor(dc, &rect);
}
void rtgui_theme_draw_radiobox(struct rtgui_radiobox* radiobox)
{
struct rtgui_dc* dc;
struct rtgui_rect rect, item_rect;
int item_size, bord_size, index;
rtgui_color_t fc;
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(radiobox));
if (dc == RT_NULL) return;
/* get widget rect */
rtgui_widget_get_rect(RTGUI_WIDGET(radiobox), &rect);
rtgui_dc_fill_rect(dc, &rect);
item_size = radiobox->item_size;
/* get board size */
if (radiobox->orient == RTGUI_VERTICAL)
bord_size = item_size;
else
{
rtgui_font_get_metrics(RTGUI_DC_FONT(dc), "H", &item_rect);
bord_size = rtgui_rect_height(item_rect);
}
/* draw box */
rtgui_rect_inflate(&rect, -bord_size/2);
fc = RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(radiobox));
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(radiobox)) = white;
rect.x1 ++; rect.y1 ++; rect.x2 ++; rect.y2 ++;
rtgui_dc_draw_rect(dc, &rect);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(radiobox)) = RTGUI_RGB(128, 128, 128);
rect.x1 --; rect.y1 --; rect.x2 --; rect.y2 --;
rtgui_dc_draw_rect(dc, &rect);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(radiobox)) = fc;
rtgui_rect_inflate(&rect, bord_size/2);
if (radiobox->text != RT_NULL)
{
struct rtgui_rect text_rect;
/* draw group text */
rtgui_font_get_metrics(RTGUI_DC_FONT(dc), radiobox->text, &text_rect);
rtgui_rect_moveto(&text_rect, rect.x1 + bord_size + 5, rect.y1);
rect.x1 -= 5; rect.x2 += 5;
rtgui_dc_fill_rect(dc, &text_rect);
rect.x1 += 5; rect.x2 -= 5;
rtgui_dc_draw_text(dc, radiobox->text, &text_rect);
}
/* set init item rect */
item_rect = rect;
rtgui_rect_inflate(&item_rect, - bord_size);
if (radiobox->orient == RTGUI_VERTICAL)
{
rt_uint16_t offset;
/* set the first text rect */
item_rect.y2 = item_rect.y1 + item_size;
offset = (item_size - RADIO_BOX_H) / 2;
/* draw each radio button */
for (index = 0; index < radiobox->item_count; index ++)
{
if (item_rect.y2 > rect.y2 - item_size) break;
/* draw radio */
if (radiobox->item_selection == index)
{
if (RTGUI_WIDGET_IS_FOCUSED(RTGUI_WIDGET(radiobox)))
rtgui_dc_draw_focus_rect(dc, &item_rect);
rtgui_dc_draw_word(dc, item_rect.x1, item_rect.y1 + offset, RADIO_BOX_H, radio_checked_byte);
}
else
{
rtgui_dc_draw_word(dc, item_rect.x1, item_rect.y1 + offset, RADIO_BOX_H, radio_unchecked_byte);
}
/* draw text */
item_rect.x1 += item_size + 3;
rtgui_dc_draw_text(dc, radiobox->items[index], &item_rect);
item_rect.x1 -= item_size + 3;
item_rect.y1 += item_size;
item_rect.y2 += item_size;
}
}
else
{
/* set the first text rect */
item_rect.x2 = item_rect.x1 + item_size;
item_rect.y2 = item_rect.y1 + bord_size;
/* draw each radio button */
for (index = 0; index < radiobox->item_count; index ++)
{
if (item_rect.x2 > rect.x2 - item_size) break;
/* draw radio */
if (radiobox->item_selection == index)
{
if (RTGUI_WIDGET_IS_FOCUSED(RTGUI_WIDGET(radiobox)))
rtgui_dc_draw_focus_rect(dc, &item_rect);
rtgui_dc_draw_word(dc, item_rect.x1, item_rect.y1, RADIO_BOX_H, radio_checked_byte);
}
else
{
rtgui_dc_draw_word(dc, item_rect.x1, item_rect.y1, RADIO_BOX_H, radio_unchecked_byte);
}
/* draw text */
item_rect.x1 += bord_size + 3;
rtgui_dc_draw_text(dc, radiobox->items[index], &item_rect);
item_rect.x1 -= bord_size + 3;
item_rect.x1 += item_size;
item_rect.x2 += (item_size - 1);
}
}
/* end drawing */
rtgui_dc_end_drawing(dc);
}
void rtgui_theme_draw_textbox(rtgui_textbox_t* box)
{
/* draw button */
struct rtgui_dc* dc;
struct rtgui_rect rect;
rtgui_color_t fc;
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(box));
if (dc == RT_NULL) return;
/* get widget rect */
rtgui_widget_get_rect(RTGUI_WIDGET(box), &rect);
fc = RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(box));
/* fill widget rect with white color */
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box)) = white;
rtgui_dc_fill_rect(dc, &rect);
/* draw border */
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(box)) = RTGUI_RGB(123, 158, 189);
rtgui_dc_draw_rect(dc, &rect);
/* draw text */
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(box)) = fc;
if (box->text != RT_NULL)
{
rect.x1 += RTGUI_TEXTBOX_MARGIN;
if (box->flag & RTGUI_TEXTBOX_MASK)
{
/* draw '*' */
rt_size_t len = rt_strlen(box->text);
if (len > 0)
{
char *text_mask = rtgui_malloc(len + 1);
rt_memset(text_mask, '*', len + 1);
text_mask[len] = 0;
rtgui_dc_draw_text(dc, text_mask, &rect);
rt_free(text_mask);
}
}
else
{
rtgui_dc_draw_text(dc, box->text, &rect);
}
/* draw caret */
if (box->flag & RTGUI_TEXTBOX_CARET_SHOW)
{
rect.x1 += box->position * box->font_width;
rect.x2 = rect.x1 + box->font_width;
rect.y2 -= 2;
rect.y1 = rect.y2 - 3;
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(box)) = black;
rtgui_dc_fill_rect(dc, &rect);
}
}
/* end drawing */
rtgui_dc_end_drawing(dc);
}
/* widget drawing */
void rtgui_theme_draw_button(rtgui_button_t* btn)
{
/* draw button */
struct rtgui_dc* dc;
struct rtgui_rect rect;
rtgui_color_t bc, fc;
/* begin drawing */
dc = rtgui_dc_begin_drawing(RTGUI_WIDGET(btn));
if (dc == RT_NULL) return;
/* get widget rect */
rtgui_widget_get_rect(RTGUI_WIDGET(btn), &rect);
/* get foreground color */
bc = RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(btn));
fc = RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(btn));
if (btn->flag & RTGUI_BUTTON_TYPE_PUSH && btn->flag & RTGUI_BUTTON_FLAG_PRESS)
{
/* fill button rect with background color */
rtgui_dc_fill_rect(dc, &rect);
/* draw border */
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(btn)) = RTGUI_RGB(64, 64, 64);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2, rect.y1);
rtgui_dc_draw_vline(dc, rect.x1, rect.y1, rect.y2);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(btn)) = RTGUI_RGB(128, 128, 128);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2 - 1, rect.y1 + 1);
rtgui_dc_draw_vline(dc, rect.x1 + 1, rect.y1 + 1, rect.y2 - 2);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(btn)) = RTGUI_RGB(255, 255, 255);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2 + 1, rect.y2 - 1);
rtgui_dc_draw_vline(dc, rect.x2 - 1, rect.y1, rect.y2);
if (btn->pressed_image != RT_NULL)
{
rtgui_rect_t image_rect;
image_rect.x1 = 0; image_rect.y1 = 0;
image_rect.x2 = btn->unpressed_image->w;
image_rect.y2 = btn->unpressed_image->h;
rtgui_rect_moveto_align(&rect, &image_rect, RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_image_blit(btn->pressed_image, dc, &image_rect);
}
}
else if (btn->flag & RTGUI_BUTTON_FLAG_PRESS)
{
if (btn->pressed_image != RT_NULL)
{
rtgui_rect_t image_rect;
image_rect.x1 = 0; image_rect.y1 = 0;
image_rect.x2 = btn->unpressed_image->w;
image_rect.y2 = btn->unpressed_image->h;
rtgui_rect_moveto_align(&rect, &image_rect, RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_image_blit(btn->pressed_image, dc, &image_rect);
}
else
{
/* fill button rect with background color */
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(btn)) = RTGUI_RGB(0xff, 0xff, 0xff);
rtgui_dc_fill_rect(dc, &rect);
/* draw border */
RTGUI_WIDGET(btn)->gc.foreground = RTGUI_RGB(0, 0, 0);
rtgui_dc_draw_rect(dc, &rect);
RTGUI_WIDGET(btn)->gc.foreground = RTGUI_RGB(128, 128, 128);
rect.x1 += 1; rect.y1 += 1; rect.x2 -= 1; rect.y2 -= 1;
rtgui_dc_draw_rect(dc, &rect);
}
}
else
{
if (btn->unpressed_image != RT_NULL)
{
rtgui_rect_t image_rect;
image_rect.x1 = 0; image_rect.y1 = 0;
image_rect.x2 = btn->unpressed_image->w;
image_rect.y2 = btn->unpressed_image->h;
rtgui_rect_moveto_align(&rect, &image_rect, RTGUI_ALIGN_CENTER_HORIZONTAL | RTGUI_ALIGN_CENTER_VERTICAL);
rtgui_image_blit(btn->unpressed_image, dc, &image_rect);
}
else
{
/* fill button rect with background color */
rtgui_dc_fill_rect(dc, &rect);
/* draw border */
RTGUI_WIDGET(btn)->gc.foreground = RTGUI_RGB(255, 255, 255);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2, rect.y1);
rtgui_dc_draw_vline(dc, rect.x1, rect.y1, rect.y2);
RTGUI_WIDGET(btn)->gc.foreground = RTGUI_RGB(0, 0, 0);
rtgui_dc_draw_hline(dc, rect.x1, rect.x2 + 1, rect.y2);
rtgui_dc_draw_vline(dc, rect.x2, rect.y1, rect.y2);
RTGUI_WIDGET(btn)->gc.foreground = RTGUI_RGB(128, 128, 128);
rtgui_dc_draw_hline(dc, rect.x1 + 1, rect.x2, rect.y2 - 1);
rtgui_dc_draw_vline(dc, rect.x2 - 1, rect.y1 + 1, rect.y2 - 1);
}
}
if (RTGUI_WIDGET_IS_FOCUSED(RTGUI_WIDGET(btn)))
{
/* re-set foreground and get default rect */
rtgui_widget_get_rect(RTGUI_WIDGET(btn), &rect);
rtgui_rect_inflate(&rect, -2);
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(btn)) = black;
rtgui_dc_draw_focus_rect(dc, &rect);
}
/* set forecolor */
RTGUI_WIDGET_BACKGROUND(RTGUI_WIDGET(btn)) = bc;
RTGUI_WIDGET_FOREGROUND(RTGUI_WIDGET(btn)) = fc;
if (btn->pressed_image == RT_NULL)
{
/* re-set foreground and get default rect */
rtgui_widget_get_rect(RTGUI_WIDGET(btn), &rect);
/* remove border */
rtgui_rect_inflate(&rect, -2);
/* draw text */
rtgui_dc_draw_text(dc, rtgui_label_get_text(RTGUI_LABEL(btn)), &rect);
}
/* end drawing */
rtgui_dc_end_drawing(dc);
}
/*
* Device Information View
* Device: Win32 or Cortex-M3 etc
* Memory:
* Thread:
* IP Address:
* Gateway:
* DNS:
*/
static rt_bool_t view_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
{
switch (event->type)
{
case RTGUI_EVENT_PAINT:
{
struct rtgui_dc* dc;
struct rtgui_rect rect;
char* line;
rt_uint32_t total, used, max_used;
line = rtgui_malloc(256);
if (line == RT_NULL) return RT_FALSE;
dc = rtgui_dc_begin_drawing(widget);
if (dc == RT_NULL)
{
rtgui_free(line);
return RT_FALSE;
}
rtgui_widget_get_rect(widget, &rect);
/* fill background */
rtgui_dc_fill_rect(dc, &rect);
rect.y2 = rect.y1 + 18;
{
rt_uint32_t dev_index, rev_index;
dev_index = DBGMCU_GetDEVID();
dev_index = (dev_index - 0x410)/2;
rev_index = DBGMCU_GetREVID();
switch (rev_index)
{
case 0x1000:
case 0x0000:
rev_index = 0; /* Revision A */
break;
case 0x1001:
case 0x2001:
rev_index = 3; /* Revision Z */
break;
case 0x2000:
rev_index = 1; /* Revision B */
break;
case 0x2002:
rev_index = 2; /* Revision Y */
break;
default:
rev_index = 4; /* Unknown */
break;
};
/* check device index */
if (dev_index > 4) dev_index = 3;
/* draw each information */
sprintf(line, "设备: %s %s",
stm32_devname[dev_index],
stm32_revname[rev_index]);
rtgui_dc_draw_text(dc, line, &rect); rect.y1 += 16; rect.y2 += 16;
}
rt_memory_info(&total, &used, &max_used);
sprintf(line, "内存: 当前使用 %d 字节", used);
rtgui_dc_draw_text(dc, line, &rect); rect.y1 += 16; rect.y2 += 16;
{
rt_uint16_t rect_width;
rtgui_color_t saved;
rtgui_rect_t mem_rect = rect;
rtgui_rect_inflate(&mem_rect, -2);
rtgui_dc_draw_rect(dc, &mem_rect);
rtgui_rect_inflate(&mem_rect, -1);
rect_width = rtgui_rect_width(mem_rect);
saved = RTGUI_WIDGET_BACKGROUND(widget);
RTGUI_WIDGET_BACKGROUND(widget) = light_grey;
mem_rect.x2 = mem_rect.x1 + (max_used * rect_width / total);
rtgui_dc_fill_rect(dc, &mem_rect);
RTGUI_WIDGET_BACKGROUND(widget) = blue;
mem_rect.x2 = mem_rect.x1 + (used * rect_width / total);
rtgui_dc_fill_rect(dc, &mem_rect);
/* restore color */
RTGUI_WIDGET_BACKGROUND(widget) = saved;
}
rect.y1 += 18; rect.y2 += 18;
sprintf(line, "线程数: %d", get_thread_cnt());
rtgui_dc_draw_text(dc, line, &rect); rect.y1 += 16; rect.y2 += 16;
#ifdef RT_USING_LWIP
{
struct ip_addr ip_addr;
struct _ip_addr
{
rt_uint8_t addr0, addr1, addr2, addr3;
} *addr;
addr = (struct _ip_addr*)&netif_default->ip_addr.addr;
sprintf(line, "IP地址 : %d.%d.%d.%d", addr->addr0, addr->addr1, addr->addr2, addr->addr3);
rtgui_dc_draw_text(dc, line, &rect); rect.y1 += 16; rect.y2 += 16;
addr = (struct _ip_addr*)&netif_default->gw.addr;
sprintf(line, "网关地址: %d.%d.%d.%d", addr->addr0, addr->addr1, addr->addr2, addr->addr3);
rtgui_dc_draw_text(dc, line, &rect); rect.y1 += 16; rect.y2 += 16;
addr = (struct _ip_addr*)&netif_default->netmask.addr;
sprintf(line, "网络掩码: %d.%d.%d.%d", addr->addr0, addr->addr1, addr->addr2, addr->addr3);
rtgui_dc_draw_text(dc, line, &rect); rect.y1 += 16; rect.y2 += 16;
#if LWIP_DNS
ip_addr = dns_getserver(0);
addr = (struct _ip_addr*)&ip_addr;
sprintf(line, "DNS地址 : %d.%d.%d.%d", addr->addr0, addr->addr1, addr->addr2, addr->addr3);
rtgui_dc_draw_text(dc, line, &rect); rect.y1 += 16; rect.y2 += 16;
#endif
}
#endif
rtgui_dc_end_drawing(dc);
rtgui_free(line);
return RT_FALSE;
}
case RTGUI_EVENT_KBD:
{
struct rtgui_event_kbd* ekbd;
ekbd = (struct rtgui_event_kbd*)event;
if (ekbd->type == RTGUI_KEYDOWN && ekbd->key == RTGUIK_RETURN)
{
rtgui_workbench_t* workbench;
workbench = RTGUI_WORKBENCH(RTGUI_WIDGET(device_view)->parent);
rtgui_workbench_remove_view(workbench, device_view);
rtgui_view_destroy(device_view);
device_view = RT_NULL;
}
}
return RT_FALSE;
}
/* use parent event handler */
return rtgui_view_event_handler(widget, event);
}
static void snake_draw(struct rtgui_widget *widget)
{
struct rtgui_dc *dc;
struct rtgui_rect rect;
rt_uint32_t i;
dc = rtgui_dc_begin_drawing(widget);
if (dc == RT_NULL)
{
rt_kprintf("dc == RT_NULL\r\n");
return;
}
/* get room size, run once frist. */
if ((room_size_x == 0) || (room_size_y == 0))
{
rt_size_t tmp;
rtgui_widget_get_rect(widget, &rect);
rt_kprintf("rect => x1:%d x2:%d, y1:%d y2:%d\r\n", rect.x1, rect.x2, rect.y1, rect.y2);
room_size_x = rect.x2 - rect.x1;
room_size_y = rect.y2 - rect.y1;
memcpy(&room_rect, &rect, sizeof(struct rtgui_rect));
rt_kprintf("room_rect => x1:%d x2:%d, y1:%d y2:%d\r\n",
room_rect.x1, room_rect.x2,
room_rect.y1, room_rect.y2);
lattice_size_x = (room_rect.x2 - room_rect.x1) / LATTICE_SIZE;
lattice_size_y = (room_rect.y2 - room_rect.y1) / LATTICE_SIZE;
lattice_size_x -= 2;
lattice_size_y -= 2;
rt_kprintf("lattice_size_x:%d lattice_size_y:%d\r\n",
lattice_size_x,
lattice_size_y);
tmp = (room_rect.x2 - room_rect.x1) - (LATTICE_SIZE * lattice_size_x);
lattice_rect.x1 = room_rect.x1 + (tmp / 2);
lattice_rect.x2 = lattice_rect.x1 + (LATTICE_SIZE * lattice_size_x);
tmp = (room_rect.y2 - room_rect.y1) - (LATTICE_SIZE * lattice_size_y);
lattice_rect.y1 = room_rect.y1 + (tmp / 2);
lattice_rect.y2 = lattice_rect.y1 + (LATTICE_SIZE * lattice_size_y);
rt_kprintf("lattice_rect => x1:%d x2:%d, y1:%d y2:%d\r\n",
lattice_rect.x1, lattice_rect.x2,
lattice_rect.y1, lattice_rect.y2);
/* create snake. */
{
point_t start;
map = map_init(lattice_size_x, lattice_size_y);
if (map != RT_NULL)
{
start.x = snake_init_pointx;
start.y = snake_init_pointy;
run_state = SNAKE_DIR_DOWN;
if (snake_init(&start, snake_length_init, run_state, map))
{
food_num = 1;
food_init(map, food_num);
}
else
{
map_deinit(map);
map = RT_NULL;
}
}
}
}
RTGUI_DC_BC(dc) = BACKGROUND_COLOR;
rtgui_dc_fill_rect(dc, &room_rect);
memcpy(&rect, &lattice_rect, sizeof(struct rtgui_rect));
rect.x2 += 1;
rect.y2 += 1;
RTGUI_DC_FC(dc) = WALL_COLOR;
rtgui_dc_draw_rect(dc, &rect);
for (i = 1; i < lattice_size_y; i++)
{
memcpy(&rect, &lattice_rect, sizeof(struct rtgui_rect));
rect.x1 += 1;
rect.x2 -= 1;
rtgui_dc_draw_horizontal_line(dc, rect.x1, rect.x2,
rect.y1 + (LATTICE_SIZE * i));
}
for (i = 1; i < lattice_size_x; i++)
{
memcpy(&rect, &lattice_rect, sizeof(struct rtgui_rect));
rect.y1 += 1;
rect.y2 -= 1;
rtgui_dc_draw_vertical_line(dc, rect.x1 + (LATTICE_SIZE * i),
rect.y1, rect.y2);
}
/* draw snake. */
{
rt_int32_t x, y;
rt_bool_t first_node = RT_TRUE;
for (y = 0; y < map->height; y++)
{
for (x = 0; x < map->width; x++)
{
switch (map->range[y * map->width + x])
{
case NORMAL:
break;
case FOOD:
snake_fill_lattice(dc, x, y, FOOD_COLOR);
break;
case OVER:
if (first_node)
{
first_node = RT_FALSE;
second_node.x = x;
second_node.y = y;
snake_fill_lattice(dc, x, y, SNAKE_HEAD_COLOR);
}
else
{
snake_fill_lattice(dc, x, y, SNAKE_COLOR);
}
break;
}
}
}
}
rtgui_dc_end_drawing(dc);
return;
}