Add missing greylib scaled bitmap test plugin.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19595 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 78 insertions, 0 deletions

diff --git a/apps/plugins/test_greylib_bitmap_scale.c b/apps/plugins/test_greylib_bitmap_scale.c
new file mode 100644
index 0000000..f8a7bb9
--- /dev/null
+++ b/apps/plugins/test_greylib_bitmap_scale.c
@@ -0,0 +1,78 @@
+/*****************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _// __ \_/ ___\|  |/ /| __ \ / __ \  \/  /
+ *   Jukebox    |    |   ( (__) )  \___|    ( | \_\ ( (__) )    (
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2008 Andrew Mahone
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#include "plugin.h"
+#include "lib/grey.h"
+
+PLUGIN_HEADER
+GREY_INFO_STRUCT
+static unsigned char grey_bm_buf[LCD_WIDTH * LCD_HEIGHT + 
+                   BM_SCALED_SIZE(LCD_WIDTH,0,FORMAT_NATIVE,0)];
+static unsigned char grey_display_buf[2*LCD_WIDTH * LCD_HEIGHT];
+
+static const struct plugin_api* rb; /* global api struct pointer */
+
+/* this is the plugin entry point */
+enum plugin_status plugin_start(const struct plugin_api* api, const void* parameter)
+{
+    static char filename[MAX_PATH];
+    struct bitmap grey_bm = {
+        .width = LCD_WIDTH,
+        .height = LCD_HEIGHT,
+        .data = grey_bm_buf
+    };
+    int ret, x, y;
+
+    if(!parameter) return PLUGIN_ERROR;
+
+    rb = api;
+
+    rb->strcpy(filename, parameter);
+
+    ret = rb->read_bmp_file(filename, &grey_bm, sizeof(grey_bm_buf),
+                            FORMAT_NATIVE|FORMAT_RESIZE|FORMAT_KEEP_ASPECT,
+                            &format_grey);
+    
+    if(ret < 1)
+    {
+        rb->splash(HZ*2, "failed to load bitmap");
+        return PLUGIN_ERROR;
+    }
+
+    long buf_taken;
+    if(!grey_init(rb, &grey_display_buf[0], sizeof(grey_display_buf), 0,
+                  LCD_WIDTH, LCD_HEIGHT, &buf_taken))
+    {
+        rb->splash(HZ*2,"grey init failed");
+        return PLUGIN_ERROR;
+    }
+    grey_ub_clear_display();
+    x = (LCD_WIDTH - grey_bm.width) / 2;
+    y = (LCD_HEIGHT - grey_bm.height) / 2;
+    grey_ub_gray_bitmap(grey_bm_buf, x, y, grey_bm.width, grey_bm.height);
+    grey_show(true);
+
+    rb->button_get(true);
+
+    grey_release();
+    
+    return PLUGIN_OK;
+}