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git-svn-id: https://rt-thread.googlecode.com/svn/trunk@919 bbd45198-f89e-11dd-88c7-29a3b14d5316

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This commit is contained in:
richard.lion.heart.gl 2010-09-20 07:12:43 +00:00
parent 92e2eac3ff
commit de32e95033
1 changed files with 182 additions and 16 deletions
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198
components/rtgui/common/dc.c
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@ -108,19 +108,67 @@ void rtgui_dc_draw_rect (struct rtgui_dc* dc, struct rtgui_rect* rect)
rtgui_dc_draw_vline(dc, rect->x2 - 1, rect->y1, rect->y2); rtgui_dc_draw_vline(dc, rect->x2 - 1, rect->y1, rect->y2);
} }
void rtgui_dc_draw_round_rect(struct rtgui_dc* dc, struct rtgui_rect* rect) void rtgui_dc_fill_rect_forecolor(struct rtgui_dc* dc, struct rtgui_rect* rect)
{ {
int r = 3; int i = 0;
rtgui_dc_draw_arc(dc, rect->x1 + r, rect->y1 + r, r, 180, 270); rtgui_dc_draw_rect(dc, rect);
rtgui_dc_draw_arc(dc, rect->x2 - r, rect->y1 + r, r, 270, 360); do
rtgui_dc_draw_arc(dc, rect->x1 + r, rect->y2 - r, r, 90, 180); {
rtgui_dc_draw_arc(dc, rect->x2 - r, rect->y2 - r, r, 0, 90); rtgui_dc_draw_hline(dc, rect->x1+1, rect->x2-1, rect->y1+i);
i++;
}while(!(rect->y1+i == rect->y2));
}
rtgui_dc_draw_hline(dc, rect->x1 + r, rect->x2 - r, rect->y1); void rtgui_dc_draw_round_rect(struct rtgui_dc* dc, struct rtgui_rect* rect, int r)
rtgui_dc_draw_hline(dc, rect->x1 + r, rect->x2 - r, rect->y2); {
rtgui_dc_draw_vline(dc, rect->x1, rect->y1 + r, rect->y2 - r); RT_ASSERT(((rect->x2 - rect->x1)/2 >= r)&&((rect->y2-rect->y1)/2 >= r));
rtgui_dc_draw_vline(dc, rect->x2, rect->y1 + r, rect->y2 - r);
if(((rect->x2 - rect->x1)/2 >= r)&&((rect->y2-rect->y1)/2 >= r))
{
rtgui_dc_draw_arc(dc, rect->x1 + r, rect->y1 + r, r, 180, 270);
rtgui_dc_draw_arc(dc, rect->x2 - r, rect->y1 + r, r, 270, 360);
rtgui_dc_draw_arc(dc, rect->x1 + r, rect->y2 - r, r, 90, 180);
rtgui_dc_draw_arc(dc, rect->x2 - r, rect->y2 - r, r, 0, 90);
rtgui_dc_draw_hline(dc, rect->x1 + r, rect->x2 - r, rect->y1);
rtgui_dc_draw_hline(dc, rect->x1 + r, rect->x2 - r, rect->y2);
rtgui_dc_draw_vline(dc, rect->x1, rect->y1 + r, rect->y2 - r);
rtgui_dc_draw_vline(dc, rect->x2, rect->y1 + r, rect->y2 - r);
}
}
void rtgui_dc_fill_round_rect(struct rtgui_dc* dc, struct rtgui_rect* rect, int r)
{
struct rtgui_rect rect_temp;
RT_ASSERT(((rect->x2 - rect->x1)/2 >= r)&&((rect->y2-rect->y1)/2 >= r));
if(((rect->x2 - rect->x1)/2 >= r)&&((rect->y2-rect->y1)/2 >= r))
{
rect_temp.x1 = rect->x1 + r;
rect_temp.y1 = rect->y1;
rect_temp.x2 = rect->x2 - r;
rect_temp.y2 = rect->y2;
rtgui_dc_fill_rect_forecolor(dc, &rect_temp);//fill rect with foreground
rect_temp.x1 = rect->x1;
rect_temp.y1 = rect->y1 + r;
rect_temp.x2 = rect->x1 + r;
rect_temp.y2 = rect->y2 - r;
rtgui_dc_fill_rect_forecolor(dc, &rect_temp);//fill rect with foreground
rect_temp.x1 = rect->x2 - r;
rect_temp.y1 = rect->y1 + r;
rect_temp.x2 = rect->x2;
rect_temp.y2 = rect->y2 - r;
rtgui_dc_fill_rect_forecolor(dc, &rect_temp);//fill rect with foreground
rtgui_dc_fill_circle(dc, rect->x1 + r, rect->y1 + r, r);
rtgui_dc_fill_circle(dc, rect->x2 - r, rect->y2 - r, r);
rtgui_dc_fill_circle(dc, rect->x2 - r, rect->y1 + r, r);
rtgui_dc_fill_circle(dc, rect->x1 + r, rect->y2 - r, r);
}
} }
void rtgui_dc_draw_text (struct rtgui_dc* dc, const char* text, struct rtgui_rect* rect) void rtgui_dc_draw_text (struct rtgui_dc* dc, const char* text, struct rtgui_rect* rect)
@ -638,10 +686,6 @@ void rtgui_dc_draw_arc(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16
return; return;
} }
/* Fixup angles */
start = start % 360;
end = end % 360;
/* /*
* Draw arc * Draw arc
*/ */
@ -666,8 +710,10 @@ void rtgui_dc_draw_arc(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16
// 0 <= start & end < 360; note that sometimes start > end - if so, arc goes back through 0. // 0 <= start & end < 360; note that sometimes start > end - if so, arc goes back through 0.
while (start < 0) start += 360; while (start < 0) start += 360;
while (end < 0) end += 360; while (end < 0) end += 360;
start %= 360; /* Fixup angles */
end %= 360; start = start % 360;
end = end % 360;
// now, we find which octants we're drawing in. // now, we find which octants we're drawing in.
startoct = start / 45; startoct = start / 45;
@ -833,6 +879,125 @@ void rtgui_dc_draw_arc(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16
} while (cx <= cy); } while (cx <= cy);
} }
void rtgui_dc_draw_annulus(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t r1, rt_int16_t r2, rt_int16_t start, rt_int16_t end)
{
rt_int16_t start_x, start_y;
rt_int16_t end_x, end_y;
double temp;
rt_int16_t temp_val = 0;
/* Sanity check radius */
if ((r1 < 0) || (r1 < 0)) return ;
/* Special case for r=0 - draw a point */
if ((r1 == 0) && (r2 == 0))
{
rtgui_dc_draw_point(dc, x, y);
return;
}
while (start < 0) start += 360;
while (end < 0) end += 360;
rtgui_dc_draw_arc(dc, x, y, r1, start, end);
rtgui_dc_draw_arc(dc, x, y, r2, start, end);
temp = cos(start * M_PI / 180);
temp_val = (int)(temp * r1);
start_x = x + temp_val;
temp_val = (int)(temp * r2);
end_x = x + temp_val;
temp = sin(start * M_PI / 180);
temp_val = (int)(temp * r1);
start_y = y + temp_val;
temp_val = (int)(temp * r2);
end_y = y + temp_val;
rtgui_dc_draw_line(dc, start_x, start_y, end_x, end_y);
temp = cos(end * M_PI / 180);
temp_val = (int)(temp * r1);
start_x = x + temp_val;
temp_val = (int)(temp * r2);
end_x = x + temp_val;
temp = sin(end * M_PI / 180);
temp_val = (int)(temp * r1);
start_y = y + temp_val;
temp_val = (int)(temp * r2);
end_y = y + temp_val;
rtgui_dc_draw_line(dc, start_x, start_y, end_x, end_y);
}
void rtgui_dc_draw_sector(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t r, rt_int16_t start, rt_int16_t end)
{
int start_x, start_y;
int end_x, end_y;
/* Sanity check radius */
if (r < 0) return ;
/* Special case for r=0 - draw a point */
if (r == 0)
{
rtgui_dc_draw_point(dc, x, y);
return;
}
while (start < 0) start += 360;
while (end < 0) end += 360;
/* Fixup angles */
start = start % 360;
end = end % 360;
rtgui_dc_draw_arc(dc, x, y, r, start, end);
start_x = x + r * cos(start * M_PI / 180);
start_y = y + r * sin(start * M_PI / 180);
end_x = x + r * cos(end * M_PI / 180);
end_y = y + r * sin(end * M_PI / 180);
rtgui_dc_draw_line(dc, x, y, start_x, start_y);
rtgui_dc_draw_line(dc, x, y, end_x, end_y);
}
void rtgui_dc_fill_sector(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t r, rt_int16_t start, rt_int16_t end)
{
int start_x, start_y;
int end_x, end_y;
float start_f;
/* Sanity check radius */
if (r < 0) return ;
/* Special case for r=0 - draw a point */
if (r == 0)
{
rtgui_dc_draw_point(dc, x, y);
return;
}
while (start < 0) start += 360;
while (end < 0) end += 360;
/* Fixup angles */
start = start % 360;
end = end % 360;
end_x = x + r * cos(end * M_PI / 180);
end_y = y + r * sin(end * M_PI / 180);
do
{
start_x = x + r * cos(start * M_PI / 180);
start_y = y + r * sin(start * M_PI / 180);
start ++;
rtgui_dc_draw_line(dc, x, y, start_x, start_y);
}while(!((start_x == end_x) && (start_y == end_y)));
}
void rtgui_dc_draw_ellipse(struct rtgui_dc* dc, rt_int16_t x, rt_int16_t y, rt_int16_t rx, rt_int16_t ry) void rtgui_dc_draw_ellipse(struct rtgui_dc* dc, rt_int16_t x, rt_int16_t y, rt_int16_t rx, rt_int16_t ry)
{ {
int ix, iy; int ix, iy;
@ -1105,3 +1270,4 @@ void rtgui_dc_draw_focus_rect(struct rtgui_dc* dc, rtgui_rect_t* rect)
rtgui_dc_draw_point(dc, rect->x2, i); rtgui_dc_draw_point(dc, rect->x2, i);
} }
} }