Gathered common functions into new source files

svn-id: r15743

1 files changed, 91 insertions, 0 deletions

diff --git a/backends/PalmOS/Src/init_sony.cpp b/backends/PalmOS/Src/init_sony.cpp
new file mode 100644
index 0000000000..bdf83e2cf1
--- /dev/null
+++ b/backends/PalmOS/Src/init_sony.cpp
@@ -0,0 +1,91 @@
+#include <PalmOS.h>
+#include <SonyClie.h>
+#include "init_sony.h"
+
+UInt16 SilkInit(UInt32 *retVersion) {
+	SonySysFtrSysInfoP sonySysFtrSysInfoP;
+	UInt32 version;
+	UInt16 slkRefNum;
+	Err e;
+
+	// Sony HiRes+
+	if (!(e = FtrGet(sonySysFtrCreator, sonySysFtrNumSysInfoP, (UInt32*)&sonySysFtrSysInfoP))) {
+		if (sonySysFtrSysInfoP->libr & sonySysFtrSysInfoLibrSilk) {
+
+			if ((e = SysLibFind(sonySysLibNameSilk, &slkRefNum)))
+				if (e == sysErrLibNotFound)	
+					e = SysLibLoad(sonySysFileTSilkLib, sonySysFileCSilkLib, &slkRefNum);
+
+			if (!e) {
+				e = FtrGet(sonySysFtrCreator, sonySysFtrNumVskVersion, &version);
+				if (e) {
+					// v1 = NR
+				 	e = SilkLibOpen(slkRefNum);
+					if(!e) version = vskVersionNum1;
+
+				} else {
+					// v2 = NX/NZ
+					// v3 = UX...
+				 	e = VskOpen(slkRefNum);
+				}
+			}
+		} else
+			e = sysErrLibNotFound;
+	}
+
+	if (e) {
+		version = 0;
+		slkRefNum = sysInvalidRefNum;
+	}
+	
+	*retVersion = version;
+	return slkRefNum;
+}
+
+void SilkRelease(UInt16 slkRefNum) {
+	if (slkRefNum != sysInvalidRefNum)
+		SilkLibClose(slkRefNum);
+}
+
+UInt16 SonyHRInit(UInt32 depth) {
+	SonySysFtrSysInfoP sonySysFtrSysInfoP;
+	Err e;
+	UInt16 HRrefNum;
+
+	// test if sonyHR is present
+	if (!(e = FtrGet(sonySysFtrCreator, sonySysFtrNumSysInfoP, (UInt32*)&sonySysFtrSysInfoP))) {
+		if (sonySysFtrSysInfoP->libr & sonySysFtrSysInfoLibrHR) {		// HR available
+
+			if ((e = SysLibFind(sonySysLibNameHR, &HRrefNum)))
+				if (e == sysErrLibNotFound)								// can't find lib
+					e = SysLibLoad( 'libr', sonySysFileCHRLib, &HRrefNum);
+
+			// Now we can use HR lib. Executes Open library.
+			if (!e) e = HROpen(HRrefNum);
+		}
+	}
+
+	if (e) HRrefNum = sysInvalidRefNum;
+	
+	if (HRrefNum != sysInvalidRefNum) {
+		UInt32 width = hrWidth;
+		UInt32 height = hrHeight;
+		Boolean color = true;
+		
+		e = HRWinScreenMode(HRrefNum, winScreenModeSet, &width, &height, &depth, &color);
+		// error ? release and return an invalid reference number
+		if (e) {
+			SonyHRRelease(HRrefNum);
+			HRrefNum = sysInvalidRefNum;
+		}
+	}
+
+	return HRrefNum;
+}
+
+void SonyHRRelease(UInt16 HRrefNum) {
+	if (HRrefNum != sysInvalidRefNum) {
+			HRClose(HRrefNum);
+			//SysLibRemove(gVars->HRrefNum);	// never call this !!
+	}
+}