1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
10 * Copyright (C) 2007 Jonas Hurrelmann
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
20 ****************************************************************************/
22 /* Resizing test plugin. Loads /test.bmp (max 100x100) and displays a resized
23 * version. Use the scrollwheel or the left/right keys to change the size of
24 * the resizded version.
28 #include "pluginlib_actions.h"
33 static const struct plugin_api
* rb
;
35 const struct button_mapping
*plugin_contexts
[]
36 = {generic_actions
, generic_directions
};
38 #define NB_ACTION_CONTEXTS sizeof(plugin_contexts)/sizeof(plugin_contexts[0])
41 #define SIZE_INCREASE PLA_UP
42 #define SIZE_INCREASE_REPEAT PLA_UP_REPEAT
43 #define SIZE_DECREASE PLA_DOWN
44 #define SIZE_DECREASE_REPEAT PLA_DOWN_REPEAT
46 #define WIDTH_INCREASE PLA_RIGHT
47 #define WIDTH_INCREASE_REPEAT PLA_RIGHT_REPEAT
48 #define WIDTH_DECREASE PLA_LEFT
49 #define WIDTH_DECREASE_REPEAT PLA_LEFT_REPEAT
51 #define BUTTON_QUIT PLA_QUIT
52 #define CHANGE_MODE PLA_MENU
54 #define MAX_OUTPUT_WIDTH LCD_WIDTH
55 #define MAX_OUTPUT_HEIGHT LCD_HEIGHT
59 static struct bitmap input_bmp
;
60 static struct bitmap output_bmp
;
62 static fb_data input_bmp_data
[200*200];
63 static fb_data output_bmp_data
[MAX_OUTPUT_WIDTH
*MAX_OUTPUT_HEIGHT
];
66 /* this is the plugin entry point */
67 enum plugin_status
plugin_start(const struct plugin_api
* api
, const void* parameter
)
72 b
= rb
->lcd_framebuffer
;
74 rb
->lcd_set_background(LCD_RGBPACK(0,0,0));
75 rb
->lcd_clear_display(); // TODO: Optimizes this by e.g. invalidating rects
77 input_bmp
.data
= (char*)input_bmp_data
;
78 output_bmp
.data
= (char*)output_bmp_data
;
80 int ret
= rb
->read_bmp_file("/test.bmp", &input_bmp
, sizeof(input_bmp_data
),
84 rb
->splash(HZ
, "Could not load /test.bmp");
89 output_bmp
.width
= 50;
90 output_bmp
.height
= 50;
92 DEBUGF("input_bmp_data starts at %p\n", input_bmp_data
);
93 DEBUGF("output_bmp_data starts at %p\n", output_bmp_data
);
95 int scale_algorithm
= 0;
98 rb
->lcd_clear_display();
99 rb
->lcd_bitmap(input_bmp_data
, 0, 0, input_bmp
.width
, input_bmp
.height
);
101 switch ( scale_algorithm
) {
103 smooth_resize_bitmap(&input_bmp
, &output_bmp
);
104 rb
->lcd_putsxy(0,0,"smooth_resize_bitmap");
107 simple_resize_bitmap(&input_bmp
, &output_bmp
);
108 rb
->lcd_putsxy(0,0,"simple_resize_bitmap");
112 rb
->lcd_bitmap(output_bmp_data
, 0, 100, output_bmp
.width
,
116 button
= pluginlib_getaction(rb
, HZ
,
117 plugin_contexts
, NB_ACTION_CONTEXTS
);
122 case SIZE_INCREASE_REPEAT
:
123 if (output_bmp
.width
< MAX_OUTPUT_WIDTH
- 2)
124 output_bmp
.width
+= 2;
125 if (output_bmp
.height
< MAX_OUTPUT_HEIGHT
- 2)
126 output_bmp
.height
+= 2;
130 case SIZE_DECREASE_REPEAT
:
131 if (output_bmp
.width
> 2) output_bmp
.width
-= 2;
132 if (output_bmp
.height
> 2) output_bmp
.height
-= 2;
136 case WIDTH_INCREASE_REPEAT
:
137 if (output_bmp
.width
< MAX_OUTPUT_WIDTH
- 2)
138 output_bmp
.width
+= 2;
142 case WIDTH_DECREASE_REPEAT
:
143 if (output_bmp
.width
> 2) output_bmp
.width
-= 2;
147 scale_algorithm
= (scale_algorithm
+1)%2;