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Add missing greylib scaled bitmap test plugin.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19595 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andrew Mahone 2008-12-26 10:25:17 +00:00
parent 0f472bcd19
commit 859ee227ba
1 changed files with 78 additions and 0 deletions
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78
apps/plugins/test_greylib_bitmap_scale.c Normal file
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/*****************************************************************************
* __________ __ ___.
* 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;
}