23d9812273
struct plugin_api *rb is declared in PLUGIN_HEADER, and pointed to by __header.api the loader uses this pointer to initialize rb before calling entry_point entry_point is no longer passed a pointer to the plugin API all plugins, and pluginlib functions, are modified to refer to the global rb pluginlib functions which only served to copy the API pointer are removed git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19776 a1c6a512-1295-4272-9138-f99709370657
149 lines
4.8 KiB
C
149 lines
4.8 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 Jonas Hurrelmann
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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/* Resizing test plugin. Loads /test.bmp (max 100x100) and displays a resized
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* version. Use the scrollwheel or the left/right keys to change the size of
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* the resizded version.
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*/
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#include "plugin.h"
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#include "lib/pluginlib_actions.h"
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#include "lib/pluginlib_bmp.h"
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PLUGIN_HEADER
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const struct button_mapping *plugin_contexts[]
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= {generic_actions, generic_directions};
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#define NB_ACTION_CONTEXTS sizeof(plugin_contexts)/sizeof(plugin_contexts[0])
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/* Key assignement */
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#define SIZE_INCREASE PLA_UP
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#define SIZE_INCREASE_REPEAT PLA_UP_REPEAT
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#define SIZE_DECREASE PLA_DOWN
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#define SIZE_DECREASE_REPEAT PLA_DOWN_REPEAT
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#define WIDTH_INCREASE PLA_RIGHT
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#define WIDTH_INCREASE_REPEAT PLA_RIGHT_REPEAT
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#define WIDTH_DECREASE PLA_LEFT
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#define WIDTH_DECREASE_REPEAT PLA_LEFT_REPEAT
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#define BUTTON_QUIT PLA_QUIT
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#define CHANGE_MODE PLA_MENU
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#define MAX_OUTPUT_WIDTH LCD_WIDTH
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#define MAX_OUTPUT_HEIGHT LCD_HEIGHT
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static fb_data *b;
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static struct bitmap input_bmp;
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static struct bitmap output_bmp;
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static fb_data input_bmp_data[200*200];
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static fb_data output_bmp_data[MAX_OUTPUT_WIDTH*MAX_OUTPUT_HEIGHT];
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/* this is the plugin entry point */
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enum plugin_status plugin_start(const void* parameter)
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{
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(void)parameter;
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b = rb->lcd_framebuffer;
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rb->lcd_set_background(LCD_RGBPACK(0,0,0));
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rb->lcd_clear_display(); // TODO: Optimizes this by e.g. invalidating rects
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input_bmp.data = (char*)input_bmp_data;
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output_bmp.data = (char*)output_bmp_data;
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int ret = rb->read_bmp_file("/test.bmp", &input_bmp, sizeof(input_bmp_data),
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FORMAT_NATIVE, NULL);
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if (ret < 0) {
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rb->splash(HZ, "Could not load /test.bmp");
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return PLUGIN_ERROR;
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}
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int button;
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output_bmp.width = 50;
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output_bmp.height = 50;
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DEBUGF("input_bmp_data starts at %p\n", input_bmp_data);
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DEBUGF("output_bmp_data starts at %p\n", output_bmp_data);
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int scale_algorithm = 0;
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while(1) {
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rb->lcd_clear_display();
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rb->lcd_bitmap(input_bmp_data, 0, 0, input_bmp.width, input_bmp.height);
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switch ( scale_algorithm ) {
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case 0:
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smooth_resize_bitmap(&input_bmp, &output_bmp);
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rb->lcd_putsxy(0,0,"smooth_resize_bitmap");
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break;
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case 1:
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simple_resize_bitmap(&input_bmp, &output_bmp);
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rb->lcd_putsxy(0,0,"simple_resize_bitmap");
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break;
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}
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rb->lcd_bitmap(output_bmp_data, 0, 100, output_bmp.width,
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output_bmp.height);
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rb->lcd_update();
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button = pluginlib_getaction(HZ,
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plugin_contexts, NB_ACTION_CONTEXTS);
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switch (button) {
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case BUTTON_QUIT:
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return PLUGIN_OK;
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case SIZE_INCREASE:
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case SIZE_INCREASE_REPEAT:
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if (output_bmp.width < MAX_OUTPUT_WIDTH - 2)
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output_bmp.width += 2;
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if (output_bmp.height < MAX_OUTPUT_HEIGHT - 2)
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output_bmp.height += 2;
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break;
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case SIZE_DECREASE:
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case SIZE_DECREASE_REPEAT:
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if (output_bmp.width > 2) output_bmp.width -= 2;
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if (output_bmp.height > 2) output_bmp.height -= 2;
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break;
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case WIDTH_INCREASE:
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case WIDTH_INCREASE_REPEAT:
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if (output_bmp.width < MAX_OUTPUT_WIDTH - 2)
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output_bmp.width += 2;
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break;
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case WIDTH_DECREASE:
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case WIDTH_DECREASE_REPEAT:
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if (output_bmp.width > 2) output_bmp.width -= 2;
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break;
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case CHANGE_MODE:
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scale_algorithm = (scale_algorithm+1)%2;
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break;
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}
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}
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return PLUGIN_OK;
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}
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