Added wire handling

Component.c

@@ -100,4 +100,43 @@ void component_render(ComponentData *dat, SDL_Renderer *renderer, Point camPos)
 		dat->h
 	};
 	SDL_RenderCopy(renderer, dat->texture, NULL, &r);
+}
+
+SDL_Surface *component_create_wire(Point V1, Point V2, float ang1, float ang2, float size, float thickness) {
+	float dx1 = cosf(ang1) * size / 5;
+	float dy1 = sinf(ang1) * size / 5;
+	float dx2 = cosf(ang2) * size / 5;
+	float dy2 = sinf(ang2) * size / 5;
+
+	Point C1 = {V1.x + dx1, V1.y + dy1};
+	Point C2 = {V2.x + dx2, V2.y + dy2};
+	float minX = V1.x;
+	if (V2.x < minX) minX = V2.x;
+	if (C1.x < minX) minX = C1.x;
+	if (C2.x < minX) minX = C2.x;
+	float maxX = V1.x;
+	if (V2.x > maxX) maxX = V2.x;
+	if (C1.x > maxX) maxX = C1.x;
+	if (C2.x > maxX) maxX = C2.x;
+	float minY = V1.y;
+	if (V2.y < minY) minY = V2.y;
+	if (C1.y < minY) minY = C1.y;
+	if (C2.y < minY) minY = C2.y;
+	float maxY = V1.y;
+	if (V2.y > maxY) maxY = V2.y;
+	if (C1.y > maxY) maxY = C1.y;
+	if (C2.y > maxY) maxY = C2.y;
+
+	SDL_Surface *wire = get_rgba_surface((int)(3 * thickness + maxX - minX), (int)(3 * thickness + maxY - minY));
+	V1.x += 1.5f * thickness - minX;
+	V1.y += 1.5f * thickness - minY;
+	V2.x += 1.5f * thickness - minX;
+	V2.y += 1.5f * thickness - minY;
+	C1.x += 1.5f * thickness - minX;
+	C1.y += 1.5f * thickness - minY;
+	C2.x += 1.5f * thickness - minX;
+	C2.y += 1.5f * thickness - minY;
+
+	gfx_draw_bezier_cubic(wire, V1, V2, C1, C2, thickness, 0xffffffff);
+	return wire;
 }

Component.h

@@ -3,6 +3,7 @@
 
 #include <SDL.h>
 #include <stdio.h>
+#include <math.h>
 
 #include "Utility.h"
 #include "Graphics.h"
@@ -25,4 +26,6 @@ void component_free_data(ComponentData *dat);
 
 void component_render(ComponentData *dat, SDL_Renderer *renderer, Point camPos);
 
+SDL_Surface *component_create_wire(Point V1, Point V2, float ang1, float ang2, float size, float thickness);
+
 #endif //HOMEWORK_COMPONENT_H

main.c

@@ -22,7 +22,7 @@ int main(int argc, char **argv) {
 
 	TTF_Font *font = TTF_OpenFont("res/SourceCodePro-Regular.ttf", 25);
 	SDL_Texture *testT;
-	SDL_Surface *test = component_load_graphic("res/XNOR.cmp", 100, 3, font);
+	SDL_Surface *test = component_load_graphic("res/AND.cmp", 100, 3, font);
 	testT = SDL_CreateTextureFromSurface(renderer, test);
 	SDL_FreeSurface(test);
 
@@ -82,7 +82,7 @@ int main(int argc, char **argv) {
 			SDL_DestroyTexture(testT);
 			TTF_CloseFont(font);
 			font = TTF_OpenFont("res/SourceCodePro-Regular.ttf", (int)(25 * zoom));
-			SDL_Surface *surf = component_load_graphic("res/XNOR.cmp", 100 * zoom, 3 * zoom, font);
+			SDL_Surface *surf = component_load_graphic("res/AND.cmp", 100 * zoom, 3 * zoom, font);
 			testT = SDL_CreateTextureFromSurface(renderer, surf);
 			SDL_FreeSurface(surf);
 			component_update_texture(&data,testT);

res/AND.dat

@@ -0,0 +1 @@
+in