Ooops, forgot to commit these

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7668 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 143 insertions, 0 deletions

diff --git a/apps/screen_access.h b/apps/screen_access.h
new file mode 100644
index 0000000000..b04cabff46
--- /dev/null
+++ b/apps/screen_access.h
@@ -0,0 +1,143 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2005 by Kévin FERRARE
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef _SCREEN_ACCESS_H_
+#define _SCREEN_ACCESS_H_
+
+#include "lcd.h"
+enum screen_type {
+    SCREEN_MAIN
+#ifdef HAVE_REMOTE_LCD
+    ,SCREEN_REMOTE
+#endif
+};
+
+#ifdef HAVE_REMOTE_LCD
+#define NB_SCREENS 2
+#else
+#define NB_SCREENS 1
+#endif
+
+#ifndef HAVE_LCD_BITMAP
+#define MAX_LINES_ON_SCREEN 2
+#endif
+
+struct screen
+{
+    int width, height;
+    int nb_lines;
+    enum screen_type screen_type;
+    bool is_color;
+    int depth;
+    int char_width;
+    int char_height;
+#ifdef HAVE_LCD_BITMAP
+
+    void (*setmargins)(int x, int y);
+    int (*getxmargin)(void);
+    int (*getymargin)(void);
+
+    void (*setfont)(int newfont);
+    int (*getstringsize)(const unsigned char *str, int *w, int *h);
+    void (*putsxy)(int x, int y, const unsigned char *str);
+
+    void (*scroll_step)(int pixels);
+    void (*puts_scroll_style)(int x, int y,
+                              const unsigned char *string, int style);
+    void (*mono_bitmap)(const unsigned char *src,
+                        int x, int y, int width, int height);
+    void (*set_drawmode)(int mode);
+#if LCD_DEPTH > 1
+    void (*set_background)(int brightness);
+#endif /* LCD_DEPTH > 1 */
+    void (*update_rect)(int x, int y, int width, int height);
+    void (*fillrect)(int x, int y, int width, int height);
+    void (*drawrect)(int x, int y, int width, int height);
+    void (*drawpixel)(int x, int y);
+    void (*drawline)(int x1, int y1, int x2, int y2);
+    void (*vline)(int x, int y1, int y2);
+    void (*hline)(int x1, int x2, int y);
+#endif /* HAVE_LCD_BITMAP */
+
+#ifdef HAVE_LCD_CHARCELLS
+    void (*double_height)(bool on);
+    void (*putc)(int x, int y, unsigned short ch);
+    void (*icon)(int icon, bool enable);
+#endif
+    void (*init)(void);
+    void (*puts_scroll)(int x, int y, const unsigned char *string);
+    void (*scroll_speed)(int speed);
+    void (*scroll_delay)(int ms);
+    void (*stop_scroll)(void);
+    void (*clear_display)(void);
+#if defined(HAVE_LCD_BITMAP) || defined(SIMULATOR)
+    void (*update)(void);
+#endif
+
+    void (*puts)(int x, int y, const unsigned char *str);
+};
+
+/*
+ * Initializes the given screen structure for a given display
+ * - screen : the screen structure
+ * - display_type : currently 2 possibles values : MAIN or REMOTE
+ */
+extern void screen_init(struct screen * screen, enum screen_type screen_type);
+
+/*
+ * Compute the number of text lines the display can draw with the current font
+ * - screen : the screen structure
+ * Returns the number of text lines
+ */
+extern void screen_update_nblines(struct screen * screen);
+
+#ifdef HAVE_LCD_BITMAP
+/*
+ * Compute the number of pixels from which text can be displayed
+ * - screen : the screen structure
+ * Returns the number of pixels
+ */
+extern int screen_get_text_y_start(struct screen * screen);
+
+/*
+ * Compute the number of pixels below which text can't be displayed
+ * - screen : the screen structure
+ * Returns the number of pixels
+ */
+extern int screen_get_text_y_end(struct screen * screen);
+#endif
+
+/*
+ * Initializes the whole screen_access api
+ */
+extern void screen_access_init(void);
+
+/*
+ * Just recalculate the number of text lines that can be displayed
+ * on each screens in case of poilice change for example
+ */
+extern void screen_access_update_nb_lines(void);
+
+/*
+ * exported screens array that should be used
+ * by each app that wants to write to access display
+ */
+extern struct screen screens[NB_SCREENS];
+
+#endif /*_SCREEN_ACCESS_H_*/