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Add hflip, vflip and 180° rotate transforms.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10968 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Antoine Cellerier 2006-09-17 09:41:22 +00:00
parent 69b4e80f2b
commit 857cf0be09
1 changed files with 87 additions and 1 deletions
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88
apps/plugins/rockpaint.c
View file

@ -422,7 +422,7 @@ static void buffer_putsxyofs( fb_data *buf, int buf_width, int buf_height,
struct menu_items
{
int value;
char label[13]; /* GRUIK ? */
char label[16]; /* GRUIK ? */
};
#define MENU_ESC -1242
@ -437,6 +437,8 @@ enum {
MAIN_MENU_EXIT,
/* Select action menu */
SELECT_MENU_CUT, SELECT_MENU_COPY, SELECT_MENU_INVERT,
SELECT_MENU_HFLIP, SELECT_MENU_VFLIP, SELECT_MENU_ROTATE90,
SELECT_MENU_ROTATE180, SELECT_MENU_ROTATE270,
SELECT_MENU_CANCEL,
/* Text menu */
TEXT_MENU_TEXT, TEXT_MENU_FONT,
@ -484,6 +486,11 @@ static struct menu_items select_menu[] =
{ SELECT_MENU_CUT, "Cut" },
{ SELECT_MENU_COPY, "Copy" },
{ SELECT_MENU_INVERT, "Invert" },
{ SELECT_MENU_HFLIP, "Horizontal flip" },
{ SELECT_MENU_VFLIP, "Vertical flip" },
// { SELECT_MENU_ROTATE90, "Rotate 90°" },
{ SELECT_MENU_ROTATE180, "Rotate 180°" },
// { SELECT_MENU_ROTATE270, "Rotate 270°" },
{ SELECT_MENU_CANCEL, "Cancel" },
{ MENU_END, "" } };
@ -1340,6 +1347,63 @@ static void draw_invert( int x1, int y1, int x2, int y2 )
/*if( update )*/ rb->lcd_update();
}
static void draw_hflip( int x1, int y1, int x2, int y2 )
{
int i;
if( x1 > x2 )
{
i = x1;
x1 = x2;
x2 = i;
}
if( y1 > y2 )
{
i = y1;
y1 = y2;
y2 = i;
}
copy_to_clipboard();
for( i = 0; i <= y2 - y1; i++ )
{
rb->memcpy( save_buffer+(y1+i)*COLS+x1,
buffer.clipboard+(y2-i)*COLS+x1,
(x2-x1+1)*sizeof( fb_data ) );
}
restore_screen();
rb->lcd_update();
}
static void draw_vflip( int x1, int y1, int x2, int y2 )
{
int i;
if( x1 > x2 )
{
i = x1;
x1 = x2;
x2 = i;
}
if( y1 > y2 )
{
i = y1;
y1 = y2;
y2 = i;
}
copy_to_clipboard();
for( ; y1 <= y2; y1++ )
{
for( i = 0; i <= x2 - x1; i++ )
{
save_buffer[y1*COLS+x1+i] = buffer.clipboard[y1*COLS+x2-i];
}
}
restore_screen();
rb->lcd_update();
}
static void draw_paste_rectangle( int src_x1, int src_y1, int src_x2,
int src_y2, int x1, int y1, int mode )
{
@ -2542,6 +2606,8 @@ static bool rockpaint_loop( void )
prev_x2 = x;
prev_y2 = y;
copy_to_clipboard();
if( prev_x < x ) x = prev_x;
if( prev_y < y ) y = prev_y;
break;
case SELECT_MENU_INVERT:
@ -2549,6 +2615,26 @@ static bool rockpaint_loop( void )
reset_tool();
break;
case SELECT_MENU_HFLIP:
draw_hflip( prev_x, prev_y, x, y );
reset_tool();
break;
case SELECT_MENU_VFLIP:
draw_vflip( prev_x, prev_y, x, y );
reset_tool();
break;
case SELECT_MENU_ROTATE90:
break;
case SELECT_MENU_ROTATE180:
draw_hflip( prev_x, prev_y, x, y );
draw_vflip( prev_x, prev_y, x, y );
reset_tool();
break;
case SELECT_MENU_ROTATE270:
break;
case SELECT_MENU_CANCEL:
reset_tool();
break;