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2023-08-07 19:29:24 +08:00
commit 34d6c5d489
4832 changed files with 1389451 additions and 0 deletions
--- a/RenderDll/Common/Textures/Image/PcxImage.cpp
+++ b/RenderDll/Common/Textures/Image/PcxImage.cpp
@@ -0,0 +1,166 @@
+/*=============================================================================
+  PcxImage.cpp : PCX image file format implementation.
+  Copyright (c) 2001 Crytek Studios. All Rights Reserved.
+
+  Revision history:
+    * Created by Khonich Andrey
+
+=============================================================================*/
+
+#include "RenderPCH.h"
+#include "CImage.h"
+#include "PcxImage.h"
+#if defined(LINUX)
+#include "ILog.h"
+#endif
+
+
+typedef struct
+{
+  char	manufacturer;
+  char	version;
+  char	encoding;
+  char	bits_per_pixel;
+  short	xmin;
+  short	ymin;
+  short	xmax;
+  short	ymax;
+  short	hres;
+  short	vres;
+  byte	palette[48];
+  char	reserved;
+  char	color_planes;
+  short	bytes_per_line;
+  short	palette_type;
+  char	filler[58];
+  byte	data;
+} pcx_header;
+
+CImagePcxFile::~CImagePcxFile ()
+{
+}
+ 
+CImagePcxFile::CImagePcxFile (byte* ptr, long filesize) : CImageFile ()
+{
+  pcx_header *pcx;
+  byte* raw, *p, dat;
+  int x, y, runLength;
+  int sx, sy;
+
+  //
+  // parse the PCX file
+  //
+  pcx = (pcx_header *)ptr;
+  raw = &pcx->data;
+
+  if (pcx->manufacturer != 0x0a
+      || pcx->version != 5
+      || pcx->encoding != 1
+      || pcx->bits_per_pixel != 8
+      || pcx->xmax >= 640
+      || pcx->ymax >= 480)
+  {
+      mfSet_error (eIFE_BadFormat, "not a PCX file");
+      return;
+  }
+
+
+  sx=pcx->xmax+1;
+  sy=pcx->ymax+1;
+
+  m_eFormat = eIF_Pcx;
+                  
+/* Read in global colormap. */
+  CHK (m_pPal = new SRGBPixel [256]);
+
+  p = (byte *)pcx + filesize - 768; 
+  int i;
+  for (i=0; i<256; i++)
+  {
+    m_pPal[i].red = p[0];
+    m_pPal[i].green = p[1];
+    m_pPal[i].blue = p[2];
+    m_pPal[i].alpha = 255;
+    p += 3;
+  }
+
+  // Set the dimensions which will also allocate the image data
+  // buffer.
+  mfSet_dimensions (sx, sy);
+  mfSet_ImageSize(m_Width * m_Height);
+  byte *IndexImage = mfGet_image ();
+  p = IndexImage;
+
+  i = 0;
+  for (y=0 ; y<=pcx->ymax ; y++, p += pcx->xmax+1)
+  {
+    for (x=0 ; x<=pcx->xmax ; )
+    {
+      dat = *raw++;
+
+      if((dat & 0xC0) == 0xC0)
+      {
+        runLength = dat & 0x3F;
+        dat = *raw++;
+      }
+      else
+        runLength = 1;
+
+      while(runLength-- > 0)
+      {
+        p[x++] = dat;           
+      }
+    }
+  }
+}
+
+void WritePCX (char *name, byte *data, byte *pal, int width, int height)
+{
+	int i, j, len;
+	pcx_header *pcx;
+	byte *pack;
+	FILE *fp;
+
+	pcx = (pcx_header*)malloc (width*height*2+1000);
+	pcx->manufacturer = 10;         // Some programs complains if this is 0
+	pcx->version = 5;
+	pcx->encoding = 1;
+	pcx->bits_per_pixel = 8;
+	pcx->xmin = 0;
+	pcx->ymin = 0;
+	pcx->xmax = width - 1;
+	pcx->ymax = height - 1;
+	pcx->hres = width;
+	pcx->vres = height;
+	memset (pcx->palette, 0, sizeof(pcx->palette));
+	pcx->color_planes = 1;
+	pcx->bytes_per_line = width;
+	pcx->palette_type = 2;
+	memset (pcx->filler, 0, sizeof(pcx->filler));
+	pack = &(pcx->data);
+
+	for (i=0; i<height; i++)
+	{
+		for (j=0; j<width; j++)
+		{
+			if  ((*data & 0xc0) != 0xc0)
+				*pack++ = *data++;
+			else
+			{
+				*pack++ = 0xc1;
+				*pack++ = *data++;
+			}
+		}
+//		data += width;
+	}
+	*pack++ = 0x0c;
+	for (i=0; i<768; i++)
+		*pack++ = *pal++;
+	len = pack - (byte *)pcx;
+	fp = fxopen (name, "wb");
+	if (!fp)
+    return;
+	fwrite (pcx, len, 1, fp);
+	fclose (fp);
+	free (pcx);
+}