1 files changed, 111 insertions, 0 deletions
diff --git a/raw-to-png.cpp b/raw-to-png.cpp
new file mode 100644
index 0000000..0a6746e
--- /dev/null
+++ b/raw-to-png.cpp
@@ -0,0 +1,111 @@
+#include <iostream>
+#include <stdio.h>
+#include <CImg.h>
+
+//#define TILE_WIDTH 200
+//#define TILE_HEIGHT 200
+
+//#define IMAGE_WIDTH 12200
+//#define IMAGE_HEIGHT 12200
+
+using namespace cimg_library;
+
+int main(int argc, char **argv)
+{
+	unsigned int TILE_SIZE, IMAGE_SIZE, x, y, tile_x, tile_y;
+	char out_name[] = "________.png";
+
+	if (argc != 4)
+	{
+		printf("%s in_file image_square tile_square\n",argv[0]);
+		return 1;
+	}
+
+	IMAGE_SIZE = atoi(argv[2]);
+	TILE_SIZE = atoi(argv[3]);
+
+
+	unsigned char *buf = (unsigned char*)malloc(TILE_SIZE);
+
+	FILE *fp = fopen(argv[1],"r");
+	if (!fp)
+	{
+		printf("ERROR: Cannot open file\n");
+		return 1;
+	}
+
+	CImg<unsigned char> buffer(TILE_SIZE, TILE_SIZE,1,3,1);
+	for (tile_y = 0; tile_y < IMAGE_SIZE/TILE_SIZE; tile_y++)
+	{
+		for (tile_x = 0; tile_x < IMAGE_SIZE/TILE_SIZE; tile_x++)
+		{
+			// Seek to data for start of this tile
+			#define DATA_Y (tile_y * (TILE_SIZE * TILE_SIZE) * (IMAGE_SIZE / TILE_SIZE))
+			#define DATA_X (tile_x * TILE_SIZE)
+
+			fseek(fp, DATA_Y+DATA_X, SEEK_SET);
+
+			printf("Creating tile (%d,%d)...\n", tile_x, tile_y);
+
+			for (y = 0; y < TILE_SIZE; y++)
+			{
+				fread(buf, TILE_SIZE, 1, fp);
+				for (x = 0; x < TILE_SIZE; x++)
+				{
+#ifdef BW
+					if (buf[x] % 2)
+					{
+						buffer(x,y,0) = buffer(x,y,1) = buffer(x,y,2) = 255;
+					} else {
+						buffer(x,y,0) = buffer(x,y,1) = buffer(x,y,2) = 0;
+					}
+#else
+					buffer(x,y,0) = 0;
+					buffer(x,y,1) = buf[x];
+					buffer(x,y,2) = 0;
+#endif
+				}
+				// Seek and wrap around to next Y pos for tile
+				fseek(fp, IMAGE_SIZE-TILE_SIZE, SEEK_CUR);
+			}
+			sprintf(out_name,"%d,%d.png",tile_x,tile_y);
+			buffer.save(out_name);
+		}
+	}
+	fclose(fp);
+	free(buf);
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+//#ifdef BLACK
+//					if (buf[x] == 255)
+//					{
+//						buffer(x,y,0) = 0;
+//						buffer(x,y,1) = 0;
+//						buffer(x,y,2) = 0;
+//					} else {
+//#endif
+
+//#ifdef BLACK
+//					}
+//#endif
+//				printf("%d,%d\n",x,y);