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Do some stuff

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This commit is contained in:
Bruno Rybársky
2025-02-18 14:44:08 +01:00
parent 4d3755e2ce
commit 8f46a76fd4
21 changed files with 649 additions and 150 deletions
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84
peripherals/sevenseg.c Normal file
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//
// Created by bruno on 17.2.2025.
//
#include "sevenseg.h"
#include <SDL2/SDL_render.h>
void render_segment(SDL_Renderer *renderer, SevenSegment *display) {
int seg_width = display->rect->w / 4;
int seg_height = display->rect->h / 10;
// Define segment positions
SDL_Rect segments[9] = {
{seg_width, display->rect->y, seg_width * 2, seg_height}, // Top
{3 * seg_width + 4, seg_height, seg_height, seg_height * 3.5}, // Top Right
{3 * seg_width + 4, 5.5 * seg_height, seg_height, seg_height * 3.5}, // Bottom Right
{seg_width, 9 * seg_height, seg_width * 2, seg_height}, // Bottom
{display->rect->x, 5.5 * seg_height, seg_height, seg_height * 3.5}, // Bottom Left
{display->rect->x, seg_height, seg_height, seg_height * 3.5}, // Top Left
{seg_width, 4.5 * seg_height, seg_width * 2, seg_height}, // Middle
};
if (display->value & (1 << 7)) {
SDL_SetRenderDrawColor(renderer, 0, 64, 64, 255);
} else {
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
}
SDL_RenderClear(renderer);
SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
for (int i = 0; i < 7; i++) {
if (display->value & (1 << i)) {
SDL_RenderFillRect(renderer, &segments[i]);
}
}
}
void update_display_texture(SDL_Renderer *renderer, SevenSegment *display) {
SDL_SetRenderTarget(renderer, display->texture);
render_segment(renderer, display);
SDL_SetRenderTarget(renderer, NULL);
}
void init_seven_segment(SevenSegment *display, SDL_Renderer *renderer, int x, int y, int width, int height) {
display->rect = malloc(sizeof(SDL_Rect));
display->outRect = malloc(sizeof(SDL_Rect));
display->value = 0;
display->rect->x = 0;
display->rect->y = 0;
display->rect->w = width;
display->rect->h = height;
display->outRect->x = x;
display->outRect->y = y;
display->outRect->w = width;
display->outRect->h = height;
display->texture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_RGBA8888, SDL_TEXTUREACCESS_TARGET, width, height);
if (!display->texture) {
fprintf(stderr, "Failed to create texture: %s\n", SDL_GetError());
exit(EXIT_FAILURE);
}
update_display_texture(renderer, display);
}
void render_seven_segment(SevenSegment *display, SDL_Renderer *renderer) {
if (display->oldValue != display->value) {
display->oldValue = display->value;
update_display_texture(renderer, display);
}
if (display->texture) {
SDL_RenderCopy(renderer, display->texture, NULL, display->outRect);
}
}
void destroy_seven_segment(SevenSegment *display) {
SDL_DestroyTexture(display->texture);
free(display->rect);
free(display->outRect);
}