draw functions

2021-09-03 12:06:39 +02:00
parent 0ceccb0d5d
commit 2cc9188053
3 changed files with 132 additions and 4 deletions
--- a/draw.cpp
+++ b/draw.cpp
@@ -0,0 +1,91 @@
+#include "draw.h"
+#include <SDL2/SDL.h>
+
+static SDL_Window *sdlWindow = nullptr;
+static SDL_Renderer *sdlRenderer = nullptr;
+static SDL_Texture *sdlTexture = nullptr;
+
+static uint8_t pal[16][3] = {
+    {0, 0, 0},
+    {29, 43, 83},
+    {126, 37, 83},
+    {0, 135, 81},
+    {171, 82, 54},
+    {95, 87, 79},
+    {194, 195, 199},
+    {255, 241, 232},
+    {255, 0, 77},
+    {255, 163, 0},
+    {255, 236, 39},
+    {0, 228, 54},
+    {41, 173, 255},
+    {131, 118, 156},
+    {255, 119, 168},
+    {255, 204, 170}
+};
+
+void draw_init() {
+    sdlWindow = SDL_CreateWindow("Chirping", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480, SDL_WINDOW_SHOWN);
+    sdlRenderer = SDL_CreateRenderer(sdlWindow, -1, 0);
+    SDL_RenderSetLogicalSize(sdlRenderer, 320, 240);
+    sdlTexture = SDL_CreateTextureFromSurface(sdlRenderer, SDL_LoadBMP("font.bmp"));
+}
+
+void draw_quit() {
+    SDL_DestroyTexture(sdlTexture);
+    SDL_DestroyRenderer(sdlRenderer);
+    SDL_DestroyWindow(sdlWindow);
+}
+
+void draw_clear() {
+    SDL_SetRenderDrawColor(sdlRenderer, 0, 0, 0, 255);
+    SDL_RenderClear(sdlRenderer);
+}
+
+void draw_present() {
+    SDL_RenderPresent(sdlRenderer);
+}
+
+void draw_fill(const int x1, const int y1, const int x2, const int y2, const uint8_t color) {
+    SDL_SetRenderDrawColor(sdlRenderer, pal[color][0], pal[color][1], pal[color][2], 255);
+    SDL_Rect rect {x1, y1, x2, y2};
+    SDL_RenderFillRect(sdlRenderer, &rect);
+}
+
+void draw_rect(const int x1, const int y1, const int x2, const int y2, const uint8_t color) {
+    SDL_SetRenderDrawColor(sdlRenderer, pal[color][0], pal[color][1], pal[color][2], 255);
+    SDL_Rect rect {x1, y1, x2, y2};
+    SDL_RenderDrawRect(sdlRenderer, &rect);
+}
+
+void draw_inset(const int x1, const int y1, const int x2, const int y2, const uint8_t color1, const uint8_t color2) {
+    SDL_SetRenderDrawColor(sdlRenderer, pal[color1][0], pal[color1][1], pal[color1][2], 255);
+
+}
+
+void draw_outset(const int x1, const int y1, const int x2, const int y2, const uint8_t color1, const uint8_t color2) {
+    SDL_SetRenderDrawColor(sdlRenderer, pal[color1][0], pal[color1][1], pal[color1][2], 255);
+
+}
+
+void draw_line(const int x1, const int y1, const int x2, const int y2, const uint8_t color) {
+    SDL_SetRenderDrawColor(sdlRenderer, pal[color][0], pal[color][1], pal[color][2], 255);
+    SDL_Rect rect {x1, y1, x2, y2};
+    SDL_RenderFillRect(sdlRenderer, &rect);
+
+}
+
+void draw_dotted(const int x1, const int y1, const int x2, const int y2, const uint8_t color) {
+    SDL_SetRenderDrawColor(sdlRenderer, pal[color][0], pal[color][1], pal[color][2], 255);
+
+}
+
+void draw_char(const char chr, const int x, const int y, const uint8_t color) {
+    SDL_SetRenderDrawColor(sdlRenderer, pal[color][0], pal[color][1], pal[color][2], 255);
+
+}
+
+void draw_string(const char* str, const int x, const int y, const uint8_t color) {
+    SDL_SetRenderDrawColor(sdlRenderer, pal[color][0], pal[color][1], pal[color][2], 255);
+
+}