Initial commit.

tools/pngtgaTool/TgaWiz.cpp

@@ -0,0 +1,65 @@
+// TgaWiz.cpp : Defines the entry point for the console application.
+//
+#include <windows.h>
+#include <cstdio>
+#include "png.h"
+
+typedef unsigned char byte;
+
+void R_MipMap (byte *in, int width, int height, bool simple = true);
+void LoadTGA ( const char *name, byte **pic, int *width, int *height);
+void SaveTGA( byte *pic, int width, int height, char *fileName );
+
+int main(int argc, char *argv[])
+{
+	unsigned char *img;
+	int w, h;
+
+	if (argc != 3)
+	{
+		printf("USAGE: %s infile outfile\n", argv[0]);
+		return 0;
+	}
+
+	// Load the PNG file, make sure that we have an alpha channel in memory
+	if (!LoadPNG32(argv[1], &img, &w, &h, NULL))
+	{
+		printf("ERROR: Couldn't load %s\n", argv[1]);
+		return 0;
+	}
+
+	// Save it out as TGA
+	SaveTGA(img, w, h, argv[2]);
+	return 0;
+}
+
+#if 0
+int main(int argc, char* argv[])
+{
+	unsigned char *img;
+	int w, h;
+
+	if (argc != 4)
+	{
+		printf("USAGE: %s infile outfile N\n");
+		printf("       N is largest allowed dimensions\n");
+		return 0;
+	}
+
+	int maxSize = atoi(argv[3]);
+
+	// Load it
+	LoadTGA(argv[1], &img, &w, &h);
+
+	while (w > maxSize || h > maxSize)
+	{
+		R_MipMap(img, w, h, true);
+		w /= 2;
+		h /= 2;
+	}
+
+	SaveTGA(img, w, h, argv[2]);
+	return 0;
+}
+#endif
+