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RenderDll/Common/Textures/Image/TgaImage.h

@@ -0,0 +1,60 @@
+
+#ifndef TGAIMAGE_H
+#define TGAIMAGE_H
+
+/**
+ * An ImageFile subclass for reading TGA files.
+ */
+class CImageTgaFile : public CImageFile
+{
+  ///
+  friend class CImageFile;	// For constructor
+
+private:
+  /// Read the TGA file from the buffer.
+  CImageTgaFile (byte* buf, long size);
+
+public:
+  ///
+  virtual ~CImageTgaFile ();
+};
+
+/* Header definition. */
+struct SImageHeader {
+    unsigned char IDLength;		/* length of Identifier String */
+    unsigned char CoMapType;		/* 0 = no map */
+    unsigned char ImgType;		/* image type (see below for values) */
+    unsigned char Index_lo, Index_hi;	/* index of first color map entry */
+    unsigned char Length_lo, Length_hi;	/* number of entries in color map */
+    unsigned char CoSize;		/* size of color map entry (15,16,24,32) */
+    unsigned char X_org_lo, X_org_hi;	/* x origin of image */
+    unsigned char Y_org_lo, Y_org_hi;	/* y origin of image */
+    unsigned char Width_lo, Width_hi;	/* width of image */
+    unsigned char Height_lo, Height_hi;	/* height of image */
+    unsigned char PixelSize;		/* pixel size (8,16,24,32) */
+    unsigned char AttBits;		/* 4 bits, number of attribute bits per pixel */
+    unsigned char Rsrvd;		/* 1 bit, reserved */
+    unsigned char OrgBit;		/* 1 bit, origin: 0=lower left, 1=upper left */
+    unsigned char IntrLve;		/* 2 bits, interleaving flag */
+    };
+
+typedef char ImageIDField[256];
+
+/* Definitions for image types. */
+#define TGA_Null 0
+#define TGA_Map 1
+#define TGA_RGB 2
+#define TGA_Mono 3
+#define TGA_RLEMap 9
+#define TGA_RLERGB 10
+#define TGA_RLEMono 11
+#define TGA_CompMap 32
+#define TGA_CompMap4 33
+
+/* Definitions for interleave flag. */
+#define TGA_IL_None 0
+#define TGA_IL_Two 1
+#define TGA_IL_Four 2
+
+#endif
+