From c91847d549cc1c30eb15504a15ea9a6d5aa48165 Mon Sep 17 00:00:00 2001
From: "chirs241097@gmail.com"
 <chirs241097@gmail.com@c17bf020-1265-9734-9302-a83f62007ddb>
Date: Sun, 12 Jan 2014 14:43:14 +0000
Subject:

---
 hge/CxImage/ximawbmp.cpp | 134 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 hge/CxImage/ximawbmp.cpp

(limited to 'hge/CxImage/ximawbmp.cpp')

diff --git a/hge/CxImage/ximawbmp.cpp b/hge/CxImage/ximawbmp.cpp
new file mode 100644
index 0000000..7ba5d00
--- /dev/null
+++ b/hge/CxImage/ximawbmp.cpp
@@ -0,0 +1,134 @@
+/*
+ * File:	ximawbmp.cpp
+ * Purpose:	Platform Independent WBMP Image Class Loader and Writer
+ * 12/Jul/2002 Davide Pizzolato - www.xdp.it
+ * CxImage version 7.0.0 31/Dec/2010
+ */
+
+#include "ximawbmp.h"
+
+#if CXIMAGE_SUPPORT_WBMP
+
+#include "ximaiter.h"
+
+////////////////////////////////////////////////////////////////////////////////
+#if CXIMAGE_SUPPORT_DECODE
+////////////////////////////////////////////////////////////////////////////////
+bool CxImageWBMP::Decode(CxFile *hFile)
+{
+	if (hFile == NULL) return false;
+
+	WBMPHEADER wbmpHead;
+
+  cx_try
+  {
+	ReadOctet(hFile, &wbmpHead.Type);
+
+	uint32_t dat;
+	ReadOctet(hFile, &dat);
+	wbmpHead.FixHeader = (uint8_t)dat;
+
+	ReadOctet(hFile, &wbmpHead.ImageWidth);
+	ReadOctet(hFile, &wbmpHead.ImageHeight);
+
+	if (hFile->Eof())
+		cx_throw("Not a WBMP");
+
+	if (wbmpHead.Type != 0)
+		cx_throw("Unsupported WBMP type");			
+
+	head.biWidth = wbmpHead.ImageWidth;
+	head.biHeight= wbmpHead.ImageHeight;
+
+	if (head.biWidth<=0 || head.biHeight<=0)
+		cx_throw("Corrupted WBMP");
+
+	if (info.nEscape == -1){
+		info.dwType = CXIMAGE_FORMAT_WBMP;
+		return true;
+	}
+
+	Create(head.biWidth, head.biHeight, 1, CXIMAGE_FORMAT_WBMP);
+	if (!IsValid()) cx_throw("WBMP Create failed");
+	SetGrayPalette();
+
+	int32_t linewidth=(head.biWidth+7)/8;
+    CImageIterator iter(this);
+	iter.Upset();
+    for (int32_t y=0; y < head.biHeight; y++){
+		hFile->Read(iter.GetRow(),linewidth,1);
+		iter.PrevRow();
+    }
+
+  } cx_catch {
+	if (strcmp(message,"")) strncpy(info.szLastError,message,255);
+	return FALSE;
+  }
+    return true;
+}
+////////////////////////////////////////////////////////////////////////////////
+bool CxImageWBMP::ReadOctet(CxFile * hFile, uint32_t *data)
+{
+	uint8_t c;
+	*data = 0;
+	do {
+		if (hFile->Eof()) return false;
+		c = (uint8_t)hFile->GetC();
+		*data <<= 7;
+		*data |= (c & 0x7F);
+	} while ((c&0x80)!=0);
+	return true;
+}
+////////////////////////////////////////////////////////////////////////////////
+#endif //CXIMAGE_SUPPORT_DECODE
+////////////////////////////////////////////////////////////////////////////////
+#if CXIMAGE_SUPPORT_ENCODE
+////////////////////////////////////////////////////////////////////////////////
+bool CxImageWBMP::Encode(CxFile * hFile)
+{
+	if (EncodeSafeCheck(hFile)) return false;
+
+	//check format limits
+	if (head.biBitCount!=1){
+		strcpy(info.szLastError,"Can't save this image as WBMP");
+		return false;
+	}
+
+	WBMPHEADER wbmpHead;
+	wbmpHead.Type=0;
+	wbmpHead.FixHeader=0;
+	wbmpHead.ImageWidth=head.biWidth;
+	wbmpHead.ImageHeight=head.biHeight;
+
+    // Write the file header
+	hFile->PutC('\0');
+	hFile->PutC('\0');
+	WriteOctet(hFile,wbmpHead.ImageWidth);
+	WriteOctet(hFile,wbmpHead.ImageHeight);
+    // Write the pixels
+	int32_t linewidth=(wbmpHead.ImageWidth+7)/8;
+    CImageIterator iter(this);
+	iter.Upset();
+    for (uint32_t y=0; y < wbmpHead.ImageHeight; y++){
+		hFile->Write(iter.GetRow(),linewidth,1);
+		iter.PrevRow();
+    }
+	return true;
+}
+////////////////////////////////////////////////////////////////////////////////
+bool CxImageWBMP::WriteOctet(CxFile * hFile, const uint32_t data)
+{
+	int32_t ns = 0;
+	while (data>>(ns+7)) ns+=7;
+	while (ns>0){
+		if (!hFile->PutC(0x80 | (uint8_t)(data>>ns))) return false;
+		ns-=7;
+	}
+	if (!(hFile->PutC((uint8_t)(0x7F & data)))) return false;
+	return true;
+}
+////////////////////////////////////////////////////////////////////////////////
+#endif // CXIMAGE_SUPPORT_ENCODE
+////////////////////////////////////////////////////////////////////////////////
+#endif // CXIMAGE_SUPPORT_WBMP
+
-- 
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