lcd-*: Merge common viewport operations into lcd-bitmap-common.c

Change-Id: Ibec2d039ac0ba1214c9bd1b667bc8a9538a0d3d7

1 files changed, 48 insertions, 0 deletions

diff --git a/firmware/drivers/lcd-bitmap-common.c b/firmware/drivers/lcd-bitmap-common.c
index a149e8aaa9..a17ac51006 100644
--- a/firmware/drivers/lcd-bitmap-common.c
+++ b/firmware/drivers/lcd-bitmap-common.c
@@ -141,6 +141,54 @@ void LCDFN(fill_viewport)(void)
     LCDFN(fillrect)(0, 0, current_vp->width, current_vp->height);
 }
 
+
+/*** Viewports ***/
+
+void LCDFN(set_viewport)(struct viewport* vp)
+{
+    if (vp == NULL)
+        current_vp = &default_vp;
+    else
+        current_vp = vp;
+
+#if LCDM(DEPTH) > 1
+    LCDFN(set_foreground)(current_vp->fg_pattern);
+    LCDFN(set_background)(current_vp->bg_pattern);
+#endif
+
+#if defined(SIMULATOR)
+    /* Force the viewport to be within bounds.  If this happens it should
+     *  be considered an error - the viewport will not draw as it might be
+     *  expected.
+     */
+    if((unsigned) current_vp->x > (unsigned) LCDM(WIDTH)
+        || (unsigned) current_vp->y > (unsigned) LCDM(HEIGHT)
+        || current_vp->x + current_vp->width > LCDM(WIDTH)
+        || current_vp->y + current_vp->height > LCDM(HEIGHT))
+    {
+#if !defined(HAVE_VIEWPORT_CLIP)
+        DEBUGF("ERROR: "
+#else
+        DEBUGF("NOTE: "
+#endif
+            "set_viewport out of bounds: x: %d y: %d width: %d height:%d\n",
+            current_vp->x, current_vp->y,
+            current_vp->width, current_vp->height);
+    }
+#endif
+}
+
+void LCDFN(update_viewport)(void)
+{
+    LCDFN(update_rect)(current_vp->x, current_vp->y,
+                    current_vp->width, current_vp->height);
+}
+
+void LCDFN(update_viewport_rect)(int x, int y, int width, int height)
+{
+    LCDFN(update_rect)(current_vp->x + x, current_vp->y + y, width, height);
+}
+
 /* put a string at a given pixel position, skipping first ofs pixel columns */
 static void LCDFN(putsxyofs)(int x, int y, int ofs, const unsigned char *str)
 {