6526577818
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17492 a1c6a512-1295-4272-9138-f99709370657
150 lines
4.7 KiB
C
150 lines
4.7 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2007 Jonas Hurrelmann
|
|
*
|
|
* 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.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/* 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 "pluginlib_actions.h"
|
|
#include "bmp.h"
|
|
|
|
PLUGIN_HEADER
|
|
|
|
static const struct plugin_api* rb;
|
|
|
|
const struct button_mapping *plugin_contexts[]
|
|
= {generic_actions, generic_directions};
|
|
|
|
#define NB_ACTION_CONTEXTS sizeof(plugin_contexts)/sizeof(plugin_contexts[0])
|
|
|
|
/* 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_QUIT
|
|
#define CHANGE_MODE PLA_MENU
|
|
|
|
#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 struct plugin_api* api, const void* parameter)
|
|
{
|
|
(void)parameter;
|
|
|
|
rb = api;
|
|
b = rb->lcd_framebuffer;
|
|
|
|
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);
|
|
|
|
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(rb, HZ,
|
|
plugin_contexts, NB_ACTION_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;
|
|
}
|