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Pluginlib: make scroll functions clear screen if scrolled by >= screen size (from FS#10330)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23211 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Torne Wuff 2009-10-16 20:15:12 +00:00
parent a3f0a45c0f
commit 27ece8c366
2 changed files with 60 additions and 0 deletions
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36
apps/plugins/lib/xlcd_scroll.c
View file

@ -37,7 +37,10 @@ void xlcd_scroll_left(int count)
int length, oldmode;
if ((unsigned)count >= LCD_WIDTH)
{
rb->lcd_clear_display();
return;
}
length = (LCD_WIDTH-count)*LCD_FBHEIGHT;
@ -56,7 +59,10 @@ void xlcd_scroll_right(int count)
int length, oldmode;
if ((unsigned)count >= LCD_WIDTH)
{
rb->lcd_clear_display();
return;
}
length = (LCD_WIDTH-count)*LCD_FBHEIGHT;
@ -77,7 +83,10 @@ void xlcd_scroll_up(int count)
fb_data *data;
if ((unsigned)count >= LCD_HEIGHT)
{
rb->lcd_clear_display();
return;
}
length = LCD_HEIGHT - count;
@ -103,7 +112,10 @@ void xlcd_scroll_down(int count)
fb_data *data;
if ((unsigned)count >= LCD_HEIGHT)
{
rb->lcd_clear_display();
return;
}
length = LCD_HEIGHT - count;
@ -131,7 +143,10 @@ void xlcd_scroll_left(int count)
int blockcount, blocklen;
if ((unsigned) count >= LCD_WIDTH)
{
rb->lcd_clear_display();
return;
}
#if LCD_DEPTH == 2
blockcount = count >> 2;
@ -186,7 +201,10 @@ void xlcd_scroll_right(int count)
int blockcount, blocklen;
if ((unsigned) count >= LCD_WIDTH)
{
rb->lcd_clear_display();
return;
}
#if LCD_DEPTH == 2
blockcount = count >> 2;
@ -243,7 +261,10 @@ void xlcd_scroll_left(int count)
int length, oldmode;
if ((unsigned)count >= LCD_WIDTH)
{
rb->lcd_clear_display();
return;
}
data = rb->lcd_framebuffer;
data_end = data + LCD_WIDTH*LCD_FBHEIGHT;
@ -269,7 +290,10 @@ void xlcd_scroll_right(int count)
int length, oldmode;
if ((unsigned)count >= LCD_WIDTH)
{
rb->lcd_clear_display();
return;
}
data = rb->lcd_framebuffer;
data_end = data + LCD_WIDTH*LCD_FBHEIGHT;
@ -298,7 +322,10 @@ void xlcd_scroll_up(int count)
int length, oldmode;
if ((unsigned)count >= LCD_HEIGHT)
{
rb->lcd_clear_display();
return;
}
length = LCD_HEIGHT - count;
@ -318,7 +345,10 @@ void xlcd_scroll_down(int count)
int length, oldmode;
if ((unsigned)count >= LCD_HEIGHT)
{
rb->lcd_clear_display();
return;
}
length = LCD_HEIGHT - count;
@ -342,7 +372,10 @@ void xlcd_scroll_up(int count)
int blockcount, blocklen;
if ((unsigned) count >= LCD_HEIGHT)
{
rb->lcd_clear_display();
return;
}
#if (LCD_DEPTH == 1) \
|| (LCD_DEPTH == 2) && (LCD_PIXELFORMAT == VERTICAL_INTERLEAVED)
@ -536,7 +569,10 @@ void xlcd_scroll_down(int count)
int blockcount, blocklen;
if ((unsigned) count >= LCD_HEIGHT)
{
rb->lcd_clear_display();
return;
}
#if (LCD_DEPTH == 1) \
|| (LCD_DEPTH == 2) && (LCD_PIXELFORMAT == VERTICAL_INTERLEAVED)