Added clearpixel() and clearline().

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5924 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 12 insertions, 0 deletions

diff --git a/apps/plugins/lib/playergfx.c b/apps/plugins/lib/playergfx.c
index 0289e7acc8..5175061642 100644
--- a/apps/plugins/lib/playergfx.c
+++ b/apps/plugins/lib/playergfx.c
@@ -100,6 +100,11 @@ void pgfx_drawpixel(int x, int y)
     gfx_buffer[pixel_height * (x/5) + y] |= 0x10 >> (x%5);
 }
 
+void pgfx_clearpixel(int x, int y)
+{
+    gfx_buffer[pixel_height * (x/5) + y] &= ~(0x10 >> (x%5));
+}
+
 void pgfx_invertpixel(int x, int y)
 {
     gfx_buffer[pixel_height * (x/5) + y] ^= 0x10 >> (x%5);
@@ -179,6 +184,11 @@ void pgfx_drawline(int x1, int y1, int x2, int y2)
     linefunc(x1, y1, x2, y2, pgfx_drawpixel);
 }
 
+void pgfx_clearline(int x1, int y1, int x2, int y2)
+{
+    linefunc(x1, y1, x2, y2, pgfx_clearpixel);
+}
+
 void pgfx_invertline(int x1, int y1, int x2, int y2)
 {
     linefunc(x1, y1, x2, y2, pgfx_invertpixel);
diff --git a/apps/plugins/lib/playergfx.h b/apps/plugins/lib/playergfx.h
index 929452fb28..98664117aa 100644
--- a/apps/plugins/lib/playergfx.h
+++ b/apps/plugins/lib/playergfx.h
@@ -32,8 +32,10 @@ void pgfx_display(int cx, int cy);
 void pgfx_update(void);
 void pgfx_clear_display(void);
 void pgfx_drawpixel(int x, int y);
+void pgfx_clearpixel(int x, int y);
 void pgfx_invertpixel(int x, int y);
 void pgfx_drawline(int x1, int y1, int x2, int y2);
+void pgfx_clearline(int x1, int y1, int x2, int y2);
 void pgfx_invertline(int x1, int y1, int x2, int y2);
 void pgfx_invertrect (int x, int y, int nx, int ny);