diff options
Diffstat (limited to 'atari/plot.c')
| -rwxr-xr-x | atari/plot.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/atari/plot.c b/atari/plot.c index 60570fae2..a9a9141b1 100755 --- a/atari/plot.c +++ b/atari/plot.c @@ -161,7 +161,7 @@ static bool plot_bitmap(int x, int y, int width, int height, if ( repeat_x || repeat_y ) {
plotter_get_clip( plotter, &clip );
- if( repeat_x && width == 1 && repeat_y && height == 1 ){
+ if( repeat_x && width == 1 && repeat_y && height == 1 ){
width = MAX( width, clip.x1 - x );
height = MAX( height, clip.y1 - y );
}
@@ -181,8 +181,10 @@ static bool plot_bitmap(int x, int y, int width, int height, }
/* out of memory? */
- if( bm == NULL )
+ if( bm == NULL ) {
+ printf("plot: out of memory!");
return( true );
+ }
if (!(repeat_x || repeat_y)) {
plotter->bitmap( plotter, bm, x, y, bg, flags );
@@ -190,14 +192,19 @@ static bool plot_bitmap(int x, int y, int width, int height, int xf,yf;
int xoff = x;
int yoff = y;
+
+ if (yoff > clip.y0 )
+ yoff = (clip.y0 - height) + ((yoff - clip.y0) % height);
+ if (xoff > clip.x0 )
+ xoff = (clip.x0 - width) + ((xoff - clip.x0) % width);
/* for now, repeating just works in the rigth / down direction */
/*
if( repeat_x == true )
xoff = clip.x0;
if(repeat_y == true )
yoff = clip.y0;
- */
-
+ */ +
for( xf = xoff; xf < clip.x1; xf += width ) {
for( yf = yoff; yf < clip.y1; yf += height ) {
plotter->bitmap( plotter, bm, xf, yf, bg, flags );
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