rename hardware dc to client dc.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@836 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong 2010-08-09 10:11:45 +00:00
parent 2e0297c527
commit 82239341b5
8 changed files with 557 additions and 32 deletions

View File

@ -254,7 +254,7 @@ static void rtgui_dc_buffer_blit(struct rtgui_dc* self, struct rtgui_point* dc_p
if (dc_point == RT_NULL) dc_point = &rtgui_empty_point;
if (dest->type == RTGUI_DC_HW)
if ((dest->type == RTGUI_DC_HW) || (dest->type == RTGUI_DC_CLIENT))
{
rtgui_color_t* pixel;
rt_uint8_t *line_ptr;
@ -305,7 +305,7 @@ static void rtgui_dc_buffer_blit(struct rtgui_dc* self, struct rtgui_point* dc_p
pixel += dc->width;
/* draw on hardware dc */
rtgui_dc_hw_draw_raw_hline(hw, line_ptr, rect->x1, rect->x1 + rect_width, index);
rtgui_dc_client_draw_raw_hline(hw, line_ptr, rect->x1, rect->x1 + rect_width, index);
}
/* release line buffer */

View File

@ -0,0 +1,517 @@
/*
* File : dc_client.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2009-10-16 Bernard first version
* 2010-08-09 Bernard rename hardware dc to client dc
*/
#include <rtgui/dc.h>
#include <rtgui/dc_client.h>
#include <rtgui/driver.h>
#include <rtgui/rtgui_system.h>
#include <rtgui/widgets/view.h>
#include <rtgui/widgets/window.h>
#include <rtgui/widgets/workbench.h>
#include <rtgui/widgets/title.h>
static void rtgui_dc_client_draw_point(struct rtgui_dc* dc, int x, int y);
static void rtgui_dc_client_draw_color_point(struct rtgui_dc* dc, int x, int y, rtgui_color_t color);
static void rtgui_dc_client_draw_hline(struct rtgui_dc* dc, int x1, int x2, int y);
static void rtgui_dc_client_draw_vline(struct rtgui_dc* dc, int x, int y1, int y2);
static void rtgui_dc_client_fill_rect (struct rtgui_dc* dc, rtgui_rect_t* rect);
static void rtgui_dc_client_blit (struct rtgui_dc* dc, struct rtgui_point* dc_point, struct rtgui_dc* dest, rtgui_rect_t* rect);
static void rtgui_dc_client_set_gc (struct rtgui_dc* dc, rtgui_gc_t *gc);
static rtgui_gc_t *rtgui_dc_client_get_gc (struct rtgui_dc* dc);
static rt_bool_t rtgui_dc_client_fini(struct rtgui_dc* dc);
static rt_bool_t rtgui_dc_client_get_visible(struct rtgui_dc* dc);
static void rtgui_dc_client_get_rect(struct rtgui_dc* dc, rtgui_rect_t* rect);
#define hw_driver (rtgui_graphic_driver_get_default())
#define dc_set_foreground(c) dc->gc.foreground = c
#define dc_set_background(c) dc->gc.background = c
struct rtgui_dc* rtgui_dc_begin_drawing(rtgui_widget_t* owner)
{
return rtgui_dc_client_create(owner);
}
void rtgui_dc_end_drawing(struct rtgui_dc* dc)
{
rtgui_dc_client_fini(dc);
}
const struct rtgui_dc_engine dc_client_engine =
{
rtgui_dc_client_draw_point,
rtgui_dc_client_draw_color_point,
rtgui_dc_client_draw_vline,
rtgui_dc_client_draw_hline,
rtgui_dc_client_fill_rect,
rtgui_dc_client_blit,
rtgui_dc_client_set_gc,
rtgui_dc_client_get_gc,
rtgui_dc_client_get_visible,
rtgui_dc_client_get_rect,
rtgui_dc_client_fini,
};
void rtgui_dc_client_init(rtgui_widget_t* owner)
{
struct rtgui_dc* dc;
RT_ASSERT(owner != RT_NULL);
dc = RTGUI_WIDGET_DC(owner);
dc->type = RTGUI_DC_CLIENT;
dc->engine = &dc_client_engine;
}
extern struct rt_mutex cursor_mutex;
extern void rtgui_mouse_show_cursor(void);
extern void rtgui_mouse_hide_cursor(void);
struct rtgui_dc* rtgui_dc_client_create(rtgui_widget_t* owner)
{
struct rtgui_dc* dc;
rtgui_widget_t* widget;
/* adjudge owner */
if (owner == RT_NULL || owner->toplevel == RT_NULL) return RT_NULL;
if (!RTGUI_IS_TOPLEVEL(owner->toplevel)) return RT_NULL;
dc = RTGUI_WIDGET_DC(owner);
/* set init visible as true */
RTGUI_WIDGET_DC_SET_VISIBLE(owner);
/* check widget visible */
widget = owner;
while (widget != RT_NULL)
{
if (RTGUI_WIDGET_IS_HIDE(widget))
{
RTGUI_WIDGET_DC_SET_UNVISIBLE(owner);
break;
}
widget = widget->parent;
}
if (RTGUI_IS_WINTITLE(owner->toplevel))
{
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
top->drawing ++;
if (top->drawing == 1)
{
#ifdef RTGUI_USING_MOUSE_CURSOR
#ifdef __WIN32__
rt_mutex_take(&cursor_mutex, RT_WAITING_FOREVER);
rt_kprintf("hide cursor\n");
rtgui_mouse_hide_cursor();
#else
/* hide cursor */
rtgui_mouse_hide_cursor();
#endif
#endif
}
}
else if (RTGUI_IS_WORKBENCH(owner->toplevel) ||
RTGUI_IS_WIN(owner->toplevel))
{
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
top->drawing ++;
if (top->drawing == 1)
{
#ifdef __WIN32__
#ifdef RTGUI_USING_MOUSE_CURSOR
rt_mutex_take(&cursor_mutex, RT_WAITING_FOREVER);
rt_kprintf("hide cursor\n");
rtgui_mouse_hide_cursor();
#endif
#else
/* send draw begin to server */
struct rtgui_event_update_begin eupdate;
RTGUI_EVENT_UPDATE_BEGIN_INIT(&(eupdate));
eupdate.rect = RTGUI_WIDGET(top)->extent;
rtgui_thread_send(top->server, (struct rtgui_event*)&eupdate, sizeof(eupdate));
#endif
}
}
return dc;
}
static rt_bool_t rtgui_dc_client_fini(struct rtgui_dc* dc)
{
rtgui_widget_t* owner;
if (dc == RT_NULL || dc->type != RTGUI_DC_CLIENT) return RT_FALSE;
/* get owner */
owner = RTGUI_CONTAINER_OF(dc, struct rtgui_widget, dc_type);
if (RTGUI_IS_WINTITLE(owner->toplevel))
{
/* update title extent */
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
top->drawing --;
if ((top->drawing == 0) && RTGUI_WIDGET_IS_DC_VISIBLE(owner))
{
#ifdef __WIN32__
#ifdef RTGUI_USING_MOUSE_CURSOR
rt_mutex_release(&cursor_mutex);
/* show cursor */
rtgui_mouse_show_cursor();
rt_kprintf("show cursor\n");
#endif
/* update screen */
hw_driver->screen_update(&(owner->extent));
#else
#ifdef RTGUI_USING_MOUSE_CURSOR
/* show cursor */
rtgui_mouse_show_cursor();
#endif
/* update screen */
hw_driver->screen_update(&(owner->extent));
#endif
}
}
else if (RTGUI_IS_WORKBENCH(owner->toplevel) ||
RTGUI_IS_WIN(owner->toplevel))
{
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(owner->toplevel);
top->drawing --;
if ((top->drawing == 0) && RTGUI_WIDGET_IS_DC_VISIBLE(owner))
{
#ifdef __WIN32__
#ifdef RTGUI_USING_MOUSE_CURSOR
rt_mutex_release(&cursor_mutex);
/* show cursor */
rtgui_mouse_show_cursor();
rt_kprintf("show cursor\n");
#endif
/* update screen */
hw_driver->screen_update(&(owner->extent));
#else
/* send to server to end drawing */
struct rtgui_event_update_end eupdate;
RTGUI_EVENT_UPDATE_END_INIT(&(eupdate));
eupdate.rect = owner->extent;
rtgui_thread_send(top->server, (struct rtgui_event*)&eupdate, sizeof(eupdate));
#endif
}
}
return RT_TRUE;
}
/*
* draw a logic point on device
*/
static void rtgui_dc_client_draw_point(struct rtgui_dc* self, int x, int y)
{
rtgui_rect_t rect;
rtgui_widget_t *owner;
if (self == RT_NULL) return;
/* get owner */
owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return;
x = x + owner->extent.x1;
y = y + owner->extent.y1;
if (rtgui_region_contains_point(&(owner->clip), x, y, &rect) == RT_EOK)
{
/* draw this point */
hw_driver->set_pixel(&(owner->gc.foreground), x, y);
}
}
static void rtgui_dc_client_draw_color_point(struct rtgui_dc* self, int x, int y, rtgui_color_t color)
{
rtgui_rect_t rect;
rtgui_widget_t *owner;
if (self == RT_NULL) return;
/* get owner */
owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return;
x = x + owner->extent.x1;
y = y + owner->extent.y1;
if (rtgui_region_contains_point(&(owner->clip), x, y, &rect) == RT_EOK)
{
/* draw this point */
hw_driver->set_pixel(&color, x, y);
}
}
/*
* draw a logic vertical line on device
*/
static void rtgui_dc_client_draw_vline(struct rtgui_dc* self, int x, int y1, int y2)
{
register rt_base_t index;
rtgui_widget_t *owner;
if (self == RT_NULL) return;
/* get owner */
owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return;
x = x + owner->extent.x1;
y1 = y1 + owner->extent.y1;
y2 = y2 + owner->extent.y1;
if (owner->clip.data == RT_NULL)
{
rtgui_rect_t* prect;
prect = &(owner->clip.extents);
/* calculate vline intersect */
if (prect->x1 > x || prect->x2 <= x) return;
if (prect->y2 <= y1 || prect->y1 > y2) return;
if (prect->y1 > y1) y1 = prect->y1;
if (prect->y2 < y2) y2 = prect->y2;
/* draw vline */
hw_driver->draw_vline(&(owner->gc.foreground), x, y1, y2);
}
else for (index = 0; index < rtgui_region_num_rects(&(owner->clip)); index ++)
{
rtgui_rect_t* prect;
register rt_base_t draw_y1, draw_y2;
prect = ((rtgui_rect_t *)(owner->clip.data + index + 1));
draw_y1 = y1;
draw_y2 = y2;
/* calculate vline clip */
if (prect->x1 > x || prect->x2 <= x) continue;
if (prect->y2 <= y1 || prect->y1 > y2) continue;
if (prect->y1 > y1) draw_y1 = prect->y1;
if (prect->y2 < y2) draw_y2 = prect->y2;
/* draw vline */
hw_driver->draw_vline(&(owner->gc.foreground), x, draw_y1, draw_y2);
}
}
/*
* draw a logic horizontal line on device
*/
static void rtgui_dc_client_draw_hline(struct rtgui_dc* self, int x1, int x2, int y)
{
register rt_base_t index;
rtgui_widget_t *owner;
if (self == RT_NULL) return;
/* get owner */
owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return;
/* convert logic to device */
x1 = x1 + owner->extent.x1;
x2 = x2 + owner->extent.x1;
y = y + owner->extent.y1;
if (owner->clip.data == RT_NULL)
{
rtgui_rect_t* prect;
prect = &(owner->clip.extents);
/* calculate vline intersect */
if (prect->y1 > y || prect->y2 <= y ) return;
if (prect->x2 <= x1 || prect->x1 > x2) return;
if (prect->x1 > x1) x1 = prect->x1;
if (prect->x2 < x2) x2 = prect->x2;
/* draw hline */
hw_driver->draw_hline(&(owner->gc.foreground), x1, x2, y);
}
else for (index = 0; index < rtgui_region_num_rects(&(owner->clip)); index ++)
{
rtgui_rect_t* prect;
register rt_base_t draw_x1, draw_x2;
prect = ((rtgui_rect_t *)(owner->clip.data + index + 1));
draw_x1 = x1;
draw_x2 = x2;
/* calculate hline clip */
if (prect->y1 > y || prect->y2 <= y ) continue;
if (prect->x2 <= x1 || prect->x1 > x2) continue;
if (prect->x1 > x1) draw_x1 = prect->x1;
if (prect->x2 < x2) draw_x2 = prect->x2;
/* draw hline */
hw_driver->draw_hline(&(owner->gc.foreground), draw_x1, draw_x2, y);
}
}
static void rtgui_dc_client_fill_rect (struct rtgui_dc* self, struct rtgui_rect* rect)
{
rtgui_color_t foreground;
register rt_base_t index;
rtgui_widget_t *owner;
if (self == RT_NULL) return;
/* get owner */
owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return;
/* save foreground color */
foreground = owner->gc.foreground;
/* set background color as foreground color */
owner->gc.foreground = owner->gc.background;
/* fill rect */
for (index = rect->y1; index < rect->y2; index ++)
{
rtgui_dc_client_draw_hline(self, rect->x1, rect->x2, index);
}
/* restore foreground color */
owner->gc.foreground = foreground;
}
static void rtgui_dc_client_blit(struct rtgui_dc* dc, struct rtgui_point* dc_point, struct rtgui_dc* dest, rtgui_rect_t* rect)
{
/* not blit in hardware dc */
return ;
}
static void rtgui_dc_client_set_gc(struct rtgui_dc* self, rtgui_gc_t *gc)
{
rtgui_widget_t *owner;
if (self == RT_NULL) return;
/* get owner */
owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
owner->gc = *gc;
}
static rtgui_gc_t* rtgui_dc_client_get_gc(struct rtgui_dc* self)
{
rtgui_widget_t *owner;
if (self == RT_NULL)
{
rt_kprintf("why!!\n");
return RT_NULL;
}
/* get owner */
owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
return &(owner->gc);
}
static rt_bool_t rtgui_dc_client_get_visible(struct rtgui_dc* self)
{
rtgui_widget_t *owner;
if (self == RT_NULL) return RT_FALSE;
/* get owner */
owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return RT_FALSE;
return RT_TRUE;
}
static void rtgui_dc_client_get_rect(struct rtgui_dc* self, rtgui_rect_t* rect)
{
rtgui_widget_t *owner;
if (self == RT_NULL) return;
/* get owner */
owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
rtgui_widget_get_rect(owner, rect);
}
void rtgui_dc_client_draw_raw_hline(struct rtgui_dc* self, rt_uint8_t* raw_ptr, int x1, int x2, int y)
{
register rt_base_t index;
rtgui_widget_t *owner;
if (self == RT_NULL) return;
/* get owner */
owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return;
/* convert logic to device */
x1 = x1 + owner->extent.x1;
x2 = x2 + owner->extent.x1;
y = y + owner->extent.y1;
if (owner->clip.data == RT_NULL)
{
rtgui_rect_t* prect;
prect = &(owner->clip.extents);
/* calculate hline intersect */
if (prect->y1 > y || prect->y2 <= y ) return;
if (prect->x2 <= x1 || prect->x1 > x2) return;
if (prect->x1 > x1) x1 = prect->x1;
if (prect->x2 < x2) x2 = prect->x2;
/* draw raw hline */
hw_driver->draw_raw_hline(raw_ptr, x1, x2, y);
}
else for (index = 0; index < rtgui_region_num_rects(&(owner->clip)); index ++)
{
rtgui_rect_t* prect;
register rt_base_t draw_x1, draw_x2;
prect = ((rtgui_rect_t *)(owner->clip.data + index + 1));
draw_x1 = x1;
draw_x2 = x2;
/* calculate hline clip */
if (prect->y1 > y || prect->y2 <= y ) continue;
if (prect->x2 <= x1 || prect->x1 > x2) continue;
if (prect->x1 > x1) draw_x1 = prect->x1;
if (prect->x2 < x2) draw_x2 = prect->x2;
/* draw raw hline */
hw_driver->draw_raw_hline(raw_ptr + (draw_x1 - x1) * hw_driver->byte_per_pixel, draw_x1, draw_x2, y);
}
}

View File

@ -36,16 +36,6 @@ static void rtgui_dc_hw_get_rect(struct rtgui_dc* dc, rtgui_rect_t* rect);
#define dc_set_foreground(c) dc->gc.foreground = c
#define dc_set_background(c) dc->gc.background = c
struct rtgui_dc* rtgui_dc_begin_drawing(rtgui_widget_t* owner)
{
return rtgui_dc_hw_create(owner);
}
void rtgui_dc_end_drawing(struct rtgui_dc* dc)
{
rtgui_dc_hw_fini(dc);
}
const struct rtgui_dc_engine dc_hw_engine =
{
rtgui_dc_hw_draw_point,
@ -64,17 +54,6 @@ const struct rtgui_dc_engine dc_hw_engine =
rtgui_dc_hw_fini,
};
void rtgui_dc_hw_init(rtgui_widget_t* owner)
{
struct rtgui_dc* dc;
RT_ASSERT(owner != RT_NULL);
dc = RTGUI_WIDGET_DC(owner);
dc->type = RTGUI_DC_HW;
dc->engine = &dc_hw_engine;
}
extern struct rt_mutex cursor_mutex;
extern void rtgui_mouse_show_cursor(void);
extern void rtgui_mouse_hide_cursor(void);
@ -233,7 +212,6 @@ static void rtgui_dc_hw_draw_point(struct rtgui_dc* self, int x, int y)
owner = RTGUI_CONTAINER_OF(self, struct rtgui_widget, dc_type);
if (!RTGUI_WIDGET_IS_DC_VISIBLE(owner)) return;
x = x + owner->extent.x1;
y = y + owner->extent.y1;

View File

@ -155,7 +155,7 @@ static void rtgui_image_hdc_blit(struct rtgui_image* image, struct rtgui_dc* dc,
hdc = (struct rtgui_image_hdc*) image->data;
RT_ASSERT(hdc != RT_NULL);
if (dc->type != RTGUI_DC_HW) return;
if ((dc->type != RTGUI_DC_HW) || (dc->type != RTGUI_DC_CLIENT)) return;
/* the minimum rect */
if (image->w < rtgui_rect_width(*dst_rect)) w = image->w;
@ -172,7 +172,7 @@ static void rtgui_image_hdc_blit(struct rtgui_image* image, struct rtgui_dc* dc,
for (y = 0; y < h; y ++)
{
rtgui_dc_hw_draw_raw_hline(dc, ptr, dst_rect->x1, dst_rect->x1 + w, dst_rect->y1 + y);
rtgui_dc_client_draw_raw_hline(dc, ptr, dst_rect->x1, dst_rect->x1 + w, dst_rect->y1 + y);
ptr += hdc->pitch;
}
}
@ -191,7 +191,7 @@ static void rtgui_image_hdc_blit(struct rtgui_image* image, struct rtgui_dc* dc,
if (rtgui_filerw_read(hdc->filerw, ptr, 1, hdc->pitch) != hdc->pitch)
break; /* read data failed */
rtgui_dc_hw_draw_raw_hline(dc, ptr, dst_rect->x1, dst_rect->x1 + w, dst_rect->y1 + y);
rtgui_dc_client_draw_raw_hline(dc, ptr, dst_rect->x1, dst_rect->x1 + w, dst_rect->y1 + y);
}
rtgui_free(ptr);
@ -207,7 +207,7 @@ static void rtgui_image_hdcmm_blit(struct rtgui_image* image, struct rtgui_dc* d
RT_ASSERT(image != RT_NULL || dc != RT_NULL || dst_rect != RT_NULL);
/* this dc is not visible */
if (rtgui_dc_get_visible(dc) != RT_TRUE || (dc->type != RTGUI_DC_HW)) return;
if (rtgui_dc_get_visible(dc) != RT_TRUE || (dc->type != RTGUI_DC_HW) || (dc->type != RTGUI_DC_CLIENT)) return;
hdc = (struct rtgui_image_hdcmm*) image;
RT_ASSERT(hdc != RT_NULL);
@ -224,7 +224,7 @@ static void rtgui_image_hdcmm_blit(struct rtgui_image* image, struct rtgui_dc* d
for (y = 0; y < h; y ++)
{
rtgui_dc_hw_draw_raw_hline(dc, ptr, dst_rect->x1, dst_rect->x1 + w, dst_rect->y1 + y);
rtgui_dc_client_draw_raw_hline(dc, ptr, dst_rect->x1, dst_rect->x1 + w, dst_rect->y1 + y);
ptr += hdc->pitch;
}
}

View File

@ -22,6 +22,7 @@
enum rtgui_dc_type
{
RTGUI_DC_HW,
RTGUI_DC_CLIENT,
RTGUI_DC_BUFFER,
RTGUI_DC_IMLIB2,
};

View File

@ -0,0 +1,30 @@
/*
* File : dc_buffer.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2010, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2010-04-10 Bernard first version
* 2010-06-14 Bernard embedded hardware dc to each widget
* 2010-08-09 Bernard rename hardware dc to client dc
*/
#ifndef __RTGUI_DC_CLIENT_H__
#define __RTGUI_DC_CLIENT_H__
#include <rtgui/dc.h>
/* create a hardware dc */
struct rtgui_dc* rtgui_dc_client_create(rtgui_widget_t* owner);
void rtgui_dc_client_init(rtgui_widget_t* owner);
/* draw a hline with raw pixel data */
void rtgui_dc_client_draw_raw_hline(struct rtgui_dc* dc, rt_uint8_t* raw_ptr, int x1, int x2, int y);
#endif

View File

@ -19,7 +19,6 @@
/* create a hardware dc */
struct rtgui_dc* rtgui_dc_hw_create(rtgui_widget_t* owner);
void rtgui_dc_hw_init(rtgui_widget_t* owner);
/* draw a hline with raw pixel data */
void rtgui_dc_hw_draw_raw_hline(struct rtgui_dc* dc, rt_uint8_t* raw_ptr, int x1, int x2, int y);

View File

@ -13,7 +13,7 @@
* 2010-06-26 Bernard add user_data to widget structure
*/
#include <rtgui/dc_hw.h>
#include <rtgui/dc_client.h>
#include <rtgui/widgets/widget.h>
#include <rtgui/widgets/window.h>
#include <rtgui/widgets/view.h>
@ -63,7 +63,7 @@ static void _rtgui_widget_constructor(rtgui_widget_t *widget)
rtgui_region_init(&(widget->clip));
/* init hardware dc */
rtgui_dc_hw_init(widget);
rtgui_dc_client_init(widget);
}
/* Destroys the widget */