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/*
* Copyright (C) 2024 Tristan Riehs
*
* 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 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <limits.h>
#include <raylib.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "disp.h"
#define DEFAULT_HEIGHT 200
#define DEFAULT_WIDTH 16*DEFAULT_HEIGHT/9
void
init(void)
{
#ifndef NDEBUG
SetTraceLogLevel(LOG_DEBUG);
#else
SetTraceLogLevel(LOG_ERROR);
#endif
InitWindow(DEFAULT_WIDTH, DEFAULT_HEIGHT, "calculer");
if (!IsWindowReady())
{
fprintf(stderr, "calculer: error initialiazing Raylib \
window\n");
exit(1);
}
SetTargetFPS(60);
BeginDrawing();
ClearBackground(RAYWHITE);
EndDrawing();
TraceLog(LOG_INFO, "window successfully initialized");
}
static int
min(int x, int y)
{
if (x < y)
return x;
else
return y;
}
void
display_calc(int x, int y)
{
char txt[32] = {0};
int win_width, win_height;
int txt_width;
int font_size;
sprintf(txt, "%d + %d", x, y);
win_width = GetScreenWidth();
win_height = GetScreenHeight();
font_size = min(win_height/3, 40);
txt_width = MeasureText(txt, font_size);
if (txt_width > win_width)
{
float scale = txt_width/win_width;
font_size = font_size/scale;
txt_width = MeasureText(txt, font_size);
}
BeginDrawing();
ClearBackground(RAYWHITE);
DrawText(txt, (win_width-txt_width)/2, win_height/6, font_size, GRAY);
EndDrawing();
TraceLog(LOG_INFO, "calulation %d + %d successfully drawn", x, y);
}
int
read_input(void)
{
TraceLog(LOG_INFO, "waiting for user input");
while (!WindowShouldClose())
{
/* BeginDrawing(); */
PollInputEvents();
if (IsKeyPressed(KEY_ENTER))
{
TraceLog(LOG_INFO, "enter key pressed");
return INT_MAX;
}
/* EndDrawing(); */
}
return INT_MAX;
}
void
display_res(bool, int)
{
}
void
destroy(void)
{
CloseWindow();
}
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