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made lcd_invertrect() working

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1644 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Markus Braun 2002-08-09 12:29:46 +00:00
parent 6985f34beb
commit e67db77d6a
2 changed files with 11 additions and 2 deletions
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12
firmware/drivers/lcd.c
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@ -910,9 +910,17 @@ void lcd_fillrect (int x, int y, int nx, int ny)
/* Invert a rectangular area at (x, y), size (nx, ny) */
void lcd_invertrect (int x, int y, int nx, int ny)
{
int i;
int i,j;
if (x>LCD_WIDTH) return;
if (y>LCD_HEIGHT) return;
if (x+nx>LCD_WIDTH) nx=LCD_WIDTH-x;
if (y+ny>LCD_HEIGHT) ny=LCD_HEIGHT-y;
for (i = 0; i < nx; i++)
lcd_bitmap (ones, x+i, y, 1, ny, false);
for (j = 0; j < ny; j++)
INVERT_PIXEL((x+i),(y+j));
}
void lcd_drawline( int x1, int y1, int x2, int y2 )

1
firmware/drivers/lcd.h
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@ -79,6 +79,7 @@ extern void lcd_double_height (bool on);
#define DRAW_PIXEL(x,y) lcd_framebuffer[x][y/8] |= (1<<(y&7))
#define CLEAR_PIXEL(x,y) lcd_framebuffer[x][y/8] &= ~(1<<(y&7))
#define INVERT_PIXEL(x,y) lcd_framebuffer[x][y/8] ^= (1<<(y&7))
/*
* Memory copy of display bitmap