rt-thread-official/rtgui/common/dc_hw.c

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/*
* File : dc_hw.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
*/
#include <rtgui/dc.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_hw_draw_point(struct rtgui_dc* dc, int x, int y);
static void rtgui_dc_hw_draw_hline(struct rtgui_dc* dc, int x1, int x2, int y);
static void rtgui_dc_hw_draw_vline(struct rtgui_dc* dc, int x, int y1, int y2);
static void rtgui_dc_hw_fill_rect (struct rtgui_dc* dc, rtgui_rect_t* rect);
static void rtgui_dc_hw_blit (struct rtgui_dc* dc, struct rtgui_point* dc_point, struct rtgui_dc* dest, rtgui_rect_t* rect);
static void rtgui_dc_hw_set_color (struct rtgui_dc* dc, rtgui_color_t color);
static rtgui_color_t rtgui_dc_hw_get_color (struct rtgui_dc* dc);
static void rtgui_dc_hw_set_font(struct rtgui_dc* dc, rtgui_font_t* font);
static rtgui_font_t* rtgui_dc_hw_get_font(struct rtgui_dc* dc);
static void rtgui_dc_hw_set_textalign(struct rtgui_dc* dc, rt_int32_t textalign);
static rt_int32_t rtgui_dc_hw_get_textalign(struct rtgui_dc* dc);
static rt_bool_t rtgui_dc_hw_fini(struct rtgui_dc* dc);
static rt_bool_t rtgui_dc_hw_get_visible(struct rtgui_dc* dc);
static void rtgui_dc_hw_get_rect(struct rtgui_dc* dc, rtgui_rect_t* rect);
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)
{
if (rtgui_dc_hw_fini(dc) == RT_TRUE)
{
rtgui_free(dc);
}
}
void rtgui_dc_hw_init(struct rtgui_dc_hw* dc)
{
if (dc == RT_NULL) return;
dc->parent.type = RTGUI_DC_HW;
dc->parent.draw_point = rtgui_dc_hw_draw_point;
dc->parent.draw_hline = rtgui_dc_hw_draw_hline;
dc->parent.draw_vline = rtgui_dc_hw_draw_vline;
dc->parent.fill_rect = rtgui_dc_hw_fill_rect ;
dc->parent.blit = rtgui_dc_hw_blit;
dc->parent.set_color = rtgui_dc_hw_set_color;
dc->parent.get_color = rtgui_dc_hw_get_color;
dc->parent.set_font = rtgui_dc_hw_set_font;
dc->parent.get_font = rtgui_dc_hw_get_font;
dc->parent.set_textalign = rtgui_dc_hw_set_textalign;
dc->parent.get_textalign = rtgui_dc_hw_get_textalign;
dc->parent.get_visible= rtgui_dc_hw_get_visible;
dc->parent.get_rect = rtgui_dc_hw_get_rect;
dc->parent.fini = rtgui_dc_hw_fini;
}
extern struct rt_mutex cursor_mutex;
#define dc_set_foreground(c) dc->owner->gc.foreground = c
#define dc_set_background(c) dc->owner->gc.background = c
extern void rtgui_mouse_show_cursor(void);
extern void rtgui_mouse_hide_cursor(void);
struct rtgui_dc* rtgui_dc_hw_create(rtgui_widget_t* owner)
{
struct rtgui_dc_hw* 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;
/* malloc a dc object */
dc = (struct rtgui_dc_hw*) rtgui_malloc(sizeof(struct rtgui_dc_hw));
rtgui_dc_hw_init(dc);
dc->owner = owner;
dc->visible = RT_TRUE;
dc->device = rtgui_graphic_driver_get_default();
/* set visible */
widget = owner;
while (widget != RT_NULL)
{
if (RTGUI_WIDGET_IS_HIDE(widget))
{
dc->visible = RT_FALSE;
break;
}
widget = widget->parent;
}
if (RTGUI_IS_WINTITLE(dc->owner->toplevel))
{
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(dc->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(dc->owner->toplevel) ||
RTGUI_IS_WIN(dc->owner->toplevel))
{
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(dc->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->parent);
}
static rt_bool_t rtgui_dc_hw_fini(struct rtgui_dc* dc)
{
struct rtgui_dc_hw* hw = (struct rtgui_dc_hw*)dc;
if (dc == RT_NULL || hw->parent.type != RTGUI_DC_HW) return RT_FALSE;
if (RTGUI_IS_WINTITLE(hw->owner->toplevel))
{
/* update title extent */
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(hw->owner->toplevel);
top->drawing --;
if (top->drawing == 0)
{
#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->device->screen_update(&(hw->owner->extent));
#else
#ifdef RTGUI_USING_MOUSE_CURSOR
/* show cursor */
rtgui_mouse_show_cursor();
#endif
/* update screen */
hw->device->screen_update(&(hw->owner->extent));
#endif
}
}
else if (RTGUI_IS_WORKBENCH(hw->owner->toplevel) ||
RTGUI_IS_WIN(hw->owner->toplevel))
{
rtgui_toplevel_t* top = RTGUI_TOPLEVEL(hw->owner->toplevel);
top->drawing --;
if (top->drawing == 0)
{
#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->device->screen_update(&(hw->owner->extent));
#else
/* send to server to end drawing */
struct rtgui_event_update_end eupdate;
RTGUI_EVENT_UPDATE_END_INIT(&(eupdate));
eupdate.rect = RTGUI_WIDGET(top)->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_hw_draw_point(struct rtgui_dc* self, int x, int y)
{
struct rtgui_dc_hw* dc;
rtgui_rect_t rect;
dc = (struct rtgui_dc_hw*)self;
if (dc == RT_NULL || dc->visible != RT_TRUE) return;
x = x + dc->owner->extent.x1;
y = y + dc->owner->extent.y1;
if (rtgui_region_contains_point(&(dc->owner->clip), x, y, &rect) == RT_EOK)
{
/* draw this point */
dc->device->set_pixel(&(dc->owner->gc.foreground), x, y);
}
}
/*
* draw a logic vertical line on device
*/
static void rtgui_dc_hw_draw_vline(struct rtgui_dc* self, int x, int y1, int y2)
{
register rt_base_t index;
struct rtgui_dc_hw* dc;
dc = (struct rtgui_dc_hw*)self;
if (dc == RT_NULL || dc->visible != RT_TRUE) return;
x = x + dc->owner->extent.x1;
y1 = y1 + dc->owner->extent.y1;
y2 = y2 + dc->owner->extent.y1;
if (dc->owner->clip.data == RT_NULL)
{
rtgui_rect_t* prect;
prect = &(dc->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 */
dc->device->draw_vline(&(dc->owner->gc.foreground), x, y1, y2);
}
else for (index = 0; index < rtgui_region_num_rects(&(dc->owner->clip)); index ++)
{
rtgui_rect_t* prect;
register rt_base_t draw_y1, draw_y2;
prect = ((rtgui_rect_t *)(dc->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 */
dc->device->draw_vline(&(dc->owner->gc.foreground), x, draw_y1, draw_y2);
}
}
/*
* draw a logic horizontal line on device
*/
static void rtgui_dc_hw_draw_hline(struct rtgui_dc* self, int x1, int x2, int y)
{
register rt_base_t index;
struct rtgui_dc_hw* dc;
dc = (struct rtgui_dc_hw*)self;
if (dc == RT_NULL || dc->visible != RT_TRUE) return;
/* convert logic to device */
x1 = x1 + dc->owner->extent.x1;
x2 = x2 + dc->owner->extent.x1;
y = y + dc->owner->extent.y1;
if (dc->owner->clip.data == RT_NULL)
{
rtgui_rect_t* prect;
prect = &(dc->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 */
dc->device->draw_hline(&(dc->owner->gc.foreground), x1, x2, y);
}
else for (index = 0; index < rtgui_region_num_rects(&(dc->owner->clip)); index ++)
{
rtgui_rect_t* prect;
register rt_base_t draw_x1, draw_x2;
prect = ((rtgui_rect_t *)(dc->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 */
dc->device->draw_hline(&(dc->owner->gc.foreground), draw_x1, draw_x2, y);
}
}
static void rtgui_dc_hw_fill_rect (struct rtgui_dc* self, struct rtgui_rect* rect)
{
rtgui_color_t foreground;
register rt_base_t index;
struct rtgui_dc_hw* dc;
dc = (struct rtgui_dc_hw*)self;
if (dc == RT_NULL || dc->visible != RT_TRUE) return;
/* save foreground color */
foreground = dc->owner->gc.foreground;
/* set background color as foreground color */
dc->owner->gc.foreground = dc->owner->gc.background;
/* fill rect */
for (index = rect->y1; index < rect->y2; index ++)
{
rtgui_dc_hw_draw_hline(self, rect->x1, rect->x2, index);
}
/* restore foreground color */
dc->owner->gc.foreground = foreground;
}
static void rtgui_dc_hw_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_hw_set_color(struct rtgui_dc* self, rtgui_color_t color)
{
struct rtgui_dc_hw* dc = (struct rtgui_dc_hw*)self;
if (self != RT_NULL)
{
dc->owner->gc.foreground = color;
}
}
static rtgui_color_t rtgui_dc_hw_get_color(struct rtgui_dc* self)
{
struct rtgui_dc_hw* dc = (struct rtgui_dc_hw*)self;
return self != RT_NULL? dc->owner->gc.foreground : white;
}
static void rtgui_dc_hw_set_font(struct rtgui_dc* self, rtgui_font_t* font)
{
struct rtgui_dc_hw* dc = (struct rtgui_dc_hw*)self;
if (self != RT_NULL)
{
dc->owner->gc.font = font;
}
}
static rtgui_font_t* rtgui_dc_hw_get_font(struct rtgui_dc* self)
{
struct rtgui_dc_hw* dc = (struct rtgui_dc_hw*)self;
return self != RT_NULL? dc->owner->gc.font : RT_NULL;
}
static void rtgui_dc_hw_set_textalign(struct rtgui_dc* self, rt_int32_t textalign)
{
struct rtgui_dc_hw* dc = (struct rtgui_dc_hw*)self;
dc->owner->gc.textalign = textalign;
}
static rt_int32_t rtgui_dc_hw_get_textalign(struct rtgui_dc* self)
{
struct rtgui_dc_hw* dc = (struct rtgui_dc_hw*)self;
return dc->owner->gc.textalign;
}
static rt_bool_t rtgui_dc_hw_get_visible(struct rtgui_dc* self)
{
struct rtgui_dc_hw* dc = (struct rtgui_dc_hw*)self;
return dc->visible;
}
static void rtgui_dc_hw_get_rect(struct rtgui_dc* self, rtgui_rect_t* rect)
{
struct rtgui_dc_hw* dc = (struct rtgui_dc_hw*)self;
rtgui_widget_get_rect(dc->owner, rect);
}