basic pixel manipulation

Makefile

@@ -0,0 +1,22 @@
+CC = gcc
+CFLAGS = -Wall -Wextra -std=c17 `sdl2-config --cflags`
+LDFLAGS = `sdl2-config --libs` -lm
+
+SRC = $(wildcard *.c)
+OBJ = $(SRC:.c=.o)
+TARGET = processing
+INPUT = cat.png
+
+all: $(TARGET)
+
+$(TARGET): $(OBJ)
+	$(CC) $(OBJ) -o $(TARGET) $(LDFLAGS)
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c $< -o $@
+
+run: $(TARGET)
+	./$(TARGET) $(INPUT)
+
+clean:
+	rm -f $(OBJ) $(TARGET)