1 files changed, 142 insertions, 0 deletions

diff --git a/apps/plugins/lib/mylcd.h b/apps/plugins/lib/mylcd.h
new file mode 100644
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+++ b/apps/plugins/lib/mylcd.h
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+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (c) 2010 Michael Sevakis
+ *
+ * Helper defines for writing code for both grey and color targets.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef MYLCD_H
+#define MYLCD_H
+
+/***
+ * Most functions are, other than color depth, equivalent between grey, lcd
+ * and xlcd and most of the time the caller need not be concerned with which
+ * is actually called, making code nicer to read and maintain.
+ *
+ * Unbuffered routines revert to standard rb->lcd_XXXX funtions on color
+ * targets. On color, mylcd_ub_update_XXXX refer to the proper update
+ * functions, otherwise they are no-ops.
+ */
+
+#ifdef HAVE_LCD_COLOR
+#define mylcd_(fn)                  rb->lcd_##fn
+#define myxlcd_(fn)                 xlcd_##fn
+#define mylcd_ub_(fn)               rb->lcd_##fn
+#define myxlcd_ub_(fn)              xlcd_##fn
+#else
+#define mylcd_(fn)                  grey_##fn
+#define myxlcd_(fn)                 grey_##fn
+#define mylcd_ub_(fn)               grey_ub_##fn
+#define myxlcd_ub_(fn)              grey_ub_##fn
+#endif
+
+/* Common colors */
+#ifdef HAVE_LCD_COLOR
+#define MYLCD_BLACK                 LCD_BLACK
+#define MYLCD_DARKGRAY              LCD_DARKGRAY
+#define MYLCD_LIGHTGRAY             LCD_LIGHTGRAY
+#define MYLCD_WHITE                 LCD_WHITE
+#define MYLCD_DEFAULT_FG            LCD_DEFAULT_FG
+#define MYLCD_DEFAULT_BG            LCD_DEFAULT_BG
+#else
+#define MYLCD_BLACK                 GREY_BLACK
+#define MYLCD_DARKGRAY              GREY_DARKGRAY
+#define MYLCD_LIGHTGRAY             GREY_LIGHTGRAY
+#define MYLCD_WHITE                 GREY_WHITE
+#define MYLCD_DEFAULT_FG            GREY_BLACK
+#define MYLCD_DEFAULT_BG            GREY_WHITE
+#endif /* HAVE_LCD_COLOR */
+
+/* Update functions */
+#define mylcd_update                mylcd_(update)
+#define mylcd_update_rect           mylcd_(update_rect)
+
+/* Update functions - unbuffered : special handling for these */
+#ifdef HAVE_LCD_COLOR
+#define mylcd_ub_update()           rb->lcd_update()
+#define mylcd_ub_update_rect(...)   rb->lcd_update_rect(__VA_ARGS__)
+#else
+/* Still evaluate args like functions */
+static inline void mylcd_ub_update(void)
+    {}
+static inline void mylcd_ub_update_rect(int x, int y, int w, int h)
+    { (void)x; (void)y; (void)w; (void)h; }
+#endif
+
+/* Parameter handling */
+#define mylcd_set_drawmode          mylcd_(set_drawmode)
+#define mylcd_get_drawmode          mylcd_(get_drawmode)
+#define mylcd_set_foreground        mylcd_(set_foreground)
+#define mylcd_get_foreground        mylcd_(get_foreground)
+#define mylcd_set_background        mylcd_(set_background)
+#define mylcd_get_background        mylcd_(get_background)
+#define mylcd_set_drawinfo          mylcd_(set_drawinfo)
+#define mylcd_setfont               mylcd_(setfont)
+#define mylcd_getstringsize         mylcd_(getstringsize)
+
+/* Whole display */
+#define mylcd_clear_display         mylcd_(clear_display)
+
+/* Whole display - unbuffered */
+#define mylcd_ub_clear_display      mylcd_ub_(clear_display)
+
+/* Pixel */
+#define mylcd_drawpixel             mylcd_(drawpixel)
+
+/* Lines */
+#define mylcd_drawline              mylcd_(drawline)
+#define mylcd_hline                 mylcd_(hline)
+#define mylcd_vline                 mylcd_(vline)
+#define mylcd_drawrect              mylcd_(drawrect)
+
+/* Filled Primitives */
+#define mylcd_fillrect              mylcd_(fillrect)
+#define mylcd_filltriangle          myxlcd_(filltriangle)
+
+/* Bitmaps */
+#define mylcd_mono_bitmap_part      mylcd_(mono_bitmap_part)
+#define mylcd_mono_bitmap           mylcd_(mono_bitmap)
+#define mylcd_gray_bitmap_part      myxlcd_(gray_bitmap_part)
+#define mylcd_gray_bitmap           myxlcd_(gray_bitmap)
+#if 0 /* possible, but not implemented in greylib */
+#define mylcd_color_bitmap_part     myxlcd_(color_bitmap_part)
+#define mylcd_color_bitmap          myxlcd_(color_bitmap)
+#endif
+
+/* Bitmaps - unbuffered */
+#define mylcd_ub_gray_bitmap_part   myxlcd_ub_(gray_bitmap_part)
+#define mylcd_ub_gray_bitmap        myxlcd_ub_(gray_bitmap)
+
+/* Text */
+/* lcd_putsxyofs is static'ed in the core for now on color */
+#define mylcd_putsxyofs             mylcd_(putsxyofs)
+#define mylcd_putsxy                mylcd_(putsxy)
+
+/* Scrolling */
+#define mylcd_scroll_left           myxlcd_(scroll_left)
+#define mylcd_scroll_right          myxlcd_(scroll_right)
+#define mylcd_scroll_up             myxlcd_(scroll_up)
+#define mylcd_scroll_down           myxlcd_(scroll_down)
+
+/* Scrolling - unbuffered */
+#define mylcd_ub_scroll_left        myxlcd_ub_(scroll_left)
+#define mylcd_ub_scroll_right       myxlcd_ub_(scroll_right)
+#define mylcd_ub_scroll_up          myxlcd_ub_(scroll_up)
+#define mylcd_ub_scroll_down        myxlcd_ub_(scroll_down)
+
+#endif /* MYLCD_H */