os-update.c

/*
 * Copyright (c) 2014 - 2023 Jolla Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <stdio.h>
#include <assert.h>
#include <stdbool.h>

#include "os-update.h"
#include "minui/minui.h"

#define MARGIN 10

const char logo_filename[] = "test";

gr_surface logo;

/* ------------------------------------------------------------------------ */

int
loadLogo(const char *filename, const char *dir)
{
	int ret;

	freeLogo();

	if ((ret = res_create_display_surface(filename, dir, &logo)) < 0) {
		printf("Error while trying to load %s, retval: %i.\n",
		       filename, ret);
		return -1;
	}

	return 0;
}

/* ------------------------------------------------------------------------ */

int
showLogo(void)
{
	int fbw = gr_fb_width();
	int fbh = gr_fb_height();

	/* draw logo to middle of the screen */
	if (logo) {
		int logow = gr_get_width(logo);
		int logoh = gr_get_height(logo);
		int dx = (fbw - logow) / 2;
		int dy = (fbh - logoh) / 2;

		gr_blit(logo, 0, 0, logow, logoh, dx, dy);
	} else {
		printf("No logo loaded\n");
		return -1;
	}

	return 0;
}

/* ------------------------------------------------------------------------ */

void
osUpdateScreenShowProgress(int percentage)
{
	int fbw, fbh, splitpoint, x1, x2, y1, y2;

	fbw = gr_fb_width();
	fbh = gr_fb_height();

	splitpoint = (fbw - 2 * MARGIN) * percentage / 100;

	assert(splitpoint >= 0);
	assert(splitpoint <= fbw);

	x1 = MARGIN;
	y1 = fbh / 2 + MARGIN;
	x2 = MARGIN + splitpoint;
	y2 = fbh / 2 + 20;

	/* white color for the beginning of the progressbar */
	gr_color(255, 255, 255, 255);

	gr_fill(x1, y1, x2, y2);

	/* Grey color for the end part of the progressbar */
	gr_color(84, 84, 84, 255);

	x1 = MARGIN + splitpoint;
	x2 = fbw - MARGIN;

	gr_fill(x1, y1, x2, y2);

	/* draw logo on the top of the progress bar if it is loaded */
	if (logo) {
		int logow, logoh, dx, dy;

		logow = gr_get_width(logo);
		logoh = gr_get_height(logo);
		dx = (fbw - logow) / 2;
		dy = (fbh / 2 - logoh - 2 * MARGIN);
#ifdef DEBUG
		printf("width: %i, height: %i, row_bytes: %i, pixel_bytes: "
		       "%i\n",
		       logo->width, logo->height, logo->row_bytes,
		       logo->pixel_bytes);
#endif /* DEBUG */

		gr_blit(logo, 0, 0, logow, logoh, dx, dy);
	}
}

/* ------------------------------------------------------------------------ */

void
freeLogo(void)
{
	if (logo)
		res_free_surface(logo), logo = 0;

}