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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 Jonas Hurrelmann
*
* 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.
*
****************************************************************************/
/* Resizing test plugin. Loads /test.bmp (max 100x100) and displays a resized
* version. Use the scrollwheel or the left/right keys to change the size of
* the resizded version.
*/
#include "plugin.h"
#include "lib/pluginlib_actions.h"
#include "lib/pluginlib_bmp.h"
const struct button_mapping *plugin_contexts[]
= {pla_main_ctx};
/* Key assignement */
#define SIZE_INCREASE PLA_UP
#define SIZE_INCREASE_REPEAT PLA_UP_REPEAT
#define SIZE_DECREASE PLA_DOWN
#define SIZE_DECREASE_REPEAT PLA_DOWN_REPEAT
#define WIDTH_INCREASE PLA_RIGHT
#define WIDTH_INCREASE_REPEAT PLA_RIGHT_REPEAT
#define WIDTH_DECREASE PLA_LEFT
#define WIDTH_DECREASE_REPEAT PLA_LEFT_REPEAT
#define BUTTON_QUIT PLA_EXIT
#define CHANGE_MODE PLA_SELECT
#define MAX_OUTPUT_WIDTH LCD_WIDTH
#define MAX_OUTPUT_HEIGHT LCD_HEIGHT
static fb_data *b;
static struct bitmap input_bmp;
static struct bitmap output_bmp;
static fb_data input_bmp_data[200*200];
static fb_data output_bmp_data[MAX_OUTPUT_WIDTH*MAX_OUTPUT_HEIGHT];
/* this is the plugin entry point */
enum plugin_status plugin_start(const void* parameter)
{
(void)parameter;
struct viewport *vp_main = rb->lcd_set_viewport(NULL);
b = vp_main->buffer->fb_ptr;
rb->lcd_set_background(LCD_RGBPACK(0,0,0));
rb->lcd_clear_display(); // TODO: Optimizes this by e.g. invalidating rects
input_bmp.data = (char*)input_bmp_data;
output_bmp.data = (char*)output_bmp_data;
int ret = rb->read_bmp_file("/test.bmp", &input_bmp, sizeof(input_bmp_data),
FORMAT_NATIVE, NULL);
if (ret < 0) {
rb->splash(HZ, "Could not load /test.bmp");
return PLUGIN_ERROR;
}
int button;
output_bmp.width = 50;
output_bmp.height = 50;
DEBUGF("input_bmp_data starts at %p\n", input_bmp_data);
DEBUGF("output_bmp_data starts at %p\n", output_bmp_data);
int scale_algorithm = 0;
while(1) {
rb->lcd_clear_display();
rb->lcd_bitmap(input_bmp_data, 0, 0, input_bmp.width, input_bmp.height);
switch ( scale_algorithm ) {
case 0:
smooth_resize_bitmap(&input_bmp, &output_bmp);
rb->lcd_putsxy(0,0,"smooth_resize_bitmap");
break;
case 1:
simple_resize_bitmap(&input_bmp, &output_bmp);
rb->lcd_putsxy(0,0,"simple_resize_bitmap");
break;
}
rb->lcd_bitmap(output_bmp_data, 0, 100, output_bmp.width,
output_bmp.height);
rb->lcd_update();
button = pluginlib_getaction(HZ, plugin_contexts,
ARRAYLEN(plugin_contexts));
switch (button) {
case BUTTON_QUIT:
return PLUGIN_OK;
case SIZE_INCREASE:
case SIZE_INCREASE_REPEAT:
if (output_bmp.width < MAX_OUTPUT_WIDTH - 2)
output_bmp.width += 2;
if (output_bmp.height < MAX_OUTPUT_HEIGHT - 2)
output_bmp.height += 2;
break;
case SIZE_DECREASE:
case SIZE_DECREASE_REPEAT:
if (output_bmp.width > 2) output_bmp.width -= 2;
if (output_bmp.height > 2) output_bmp.height -= 2;
break;
case WIDTH_INCREASE:
case WIDTH_INCREASE_REPEAT:
if (output_bmp.width < MAX_OUTPUT_WIDTH - 2)
output_bmp.width += 2;
break;
case WIDTH_DECREASE:
case WIDTH_DECREASE_REPEAT:
if (output_bmp.width > 2) output_bmp.width -= 2;
break;
case CHANGE_MODE:
scale_algorithm = (scale_algorithm+1)%2;
break;
}
}
return PLUGIN_OK;
}
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