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Markus Braun's progressbar and slidebar code

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1510 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Daniel Stenberg 2002-08-01 13:29:30 +00:00
parent 7769ad2982
commit 57e2fb1f37
2 changed files with 149 additions and 0 deletions
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138
firmware/drivers/lcd.c
View file

@ -1051,6 +1051,144 @@ void lcd_getfontsize(unsigned int font, int *width, int *height)
}
}
/*
* Print a progress bar
*/
void lcd_progressbar(int x, int y, int width, int height, int percent, int direction)
{
int pos;
int i,j;
/* draw horizontal lines */
for(i=x+1;i<=x+width-2;i++) {
DRAW_PIXEL(i,y);
DRAW_PIXEL(i,(y+height-1));
}
/* draw vertical lines */
for(i=1;i<height;i++) {
DRAW_PIXEL(x,(y+i));
DRAW_PIXEL((x+width-1),(y+i));
}
/* clear edge pixels */
CLEAR_PIXEL(x,y);
CLEAR_PIXEL((x+width-1),y);
CLEAR_PIXEL(x,(y+height-1));
CLEAR_PIXEL((x+width-1),(y+height-1));
/* clear pixels in progress bar */
for(i=1;i<=width-2;i++) {
for(j=1;j<=height-2;j++) {
CLEAR_PIXEL((x+i),(y+j));
CLEAR_PIXEL((x+i),(y+j));
}
}
/* draw bar */
pos=percent;
if(pos<0)
pos=0;
if(pos>100)
pos=100;
switch (direction)
{
case BAR_RIGHT:
pos=(width-2)*pos/100;
for(i=1;i<=pos;i++)
for(j=1;j<height-1;j++)
DRAW_PIXEL((x+i),(y+j));
break;
case BAR_LEFT:
pos=(width-2)*(100-pos)/100;
for(i=pos+1;i<=width-2;i++)
for(j=1;j<height-1;j++)
DRAW_PIXEL((x+i),(y+j));
break;
case BAR_DOWN:
pos=(height-2)*pos/100;
for(i=1;i<=pos;i++)
for(j=1;j<width-1;j++)
DRAW_PIXEL((x+j),(y+i));
break;
case BAR_UP:
pos=(height-2)*(100-pos)/100;
for(i=pos+1;i<=height-2;i++)
for(j=1;j<width-1;j++)
DRAW_PIXEL((x+j),(y+i));
break;
}
}
/*
* Print a slidebar bar
*/
void lcd_slidebar(int x, int y, int width, int height, int percent, int direction)
{
int pos;
int i,j;
/* draw horizontal lines */
for(i=x+1;i<=x+width-2;i++) {
DRAW_PIXEL(i,y);
DRAW_PIXEL(i,(y+height-1));
}
/* draw vertical lines */
for(i=1;i<height;i++) {
DRAW_PIXEL(x,(y+i));
DRAW_PIXEL((x+width-1),(y+i));
}
/* clear edge pixels */
CLEAR_PIXEL(x,y);
CLEAR_PIXEL((x+width-1),y);
CLEAR_PIXEL(x,(y+height-1));
CLEAR_PIXEL((x+width-1),(y+height-1));
/* clear pixels in progress bar */
for(i=1;i<=width-2;i++)
for(j=1;j<=height-2;j++) {
CLEAR_PIXEL((x+i),(y+j));
CLEAR_PIXEL((x+i),(y+j));
}
/* draw point */
pos=percent;
if(pos<0)
pos=0;
if(pos>100)
pos=100;
switch (direction)
{
case BAR_RIGHT:
pos=(width-height-1)*pos/100;
break;
case BAR_LEFT:
pos=(width-height-1)*(100-pos)/100;
break;
case BAR_DOWN:
pos=(height-width-1)*pos/100;
break;
case BAR_UP:
pos=(height-width-1)*(100-pos)/100;
break;
}
if(direction == BAR_LEFT || direction == BAR_RIGHT)
for(i=1;i<height;i++)
for(j=1;j<height;j++)
DRAW_PIXEL((x+pos+i),(y+j));
else
for(i=1;i<width;i++)
for(j=1;j<width;j++)
DRAW_PIXEL((x+i),(y+pos+j));
}
#else
/* no LCD defined, no code to use */
#endif

11
firmware/drivers/lcd.h
View file

@ -74,6 +74,15 @@ extern void lcd_double_height (bool on);
#define LCD_WIDTH 112 /* Display width in pixels */
#define LCD_HEIGHT 64 /* Display height in pixels */
/* Directions for progressbar and scrollbar */
enum
{
BAR_RIGHT = 0,
BAR_LEFT,
BAR_DOWN,
BAR_UP
};
extern void lcd_putsxy(int x, int y, unsigned char *string, int font);
extern void lcd_setfont(int font);
extern void lcd_getfontsize(unsigned int font, int *width, int *height);
@ -88,6 +97,8 @@ extern void lcd_drawline( int x1, int y1, int x2, int y2 );
extern void lcd_clearline( int x1, int y1, int x2, int y2 );
extern void lcd_drawpixel(int x, int y);
extern void lcd_clearpixel(int x, int y);
extern void lcd_progressbar(int x, int y, int width, int height, int percent, int direction);
extern void lcd_slidebar(int x, int y, int width, int height, int percent, int direction);
#endif /* CHARCELLS / BITMAP */