Implemented GetHasGlyphs support somehow (FT support is lacking)

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13766 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/servers/app/ServerFont.h

@@ -133,6 +133,9 @@ class ServerFont {
 			BShape**			GetGlyphShapes(const char charArray[],
 											   int32 numChars) const;
 
+			void				GetHasGlyphs(const char charArray[], 
+										int32 numChars, bool hasArray[]) const;
+
 			BPoint*				GetEscapements(const char charArray[],
 											   int32 numChars,
 											   BPoint offsetArray[]) const;

src/kits/interface/Font.cpp

@@ -1171,6 +1171,8 @@ BFont::GetHasGlyphs(const char charArray[], int32 numChars, bool hasArray[]) con
 	BPrivate::AppServerLink link;
 
 	link.StartMessage(AS_GET_HAS_GLYPHS);
+	link.Attach<uint16>(fFamilyID);
+	link.Attach<uint16>(fStyleID);
 	link.Attach<int32>(numChars);
 	link.Attach(charArray, numChars);
 

src/servers/app/ServerApp.cpp

@@ -1786,6 +1786,34 @@ ServerApp::_DispatchMessage(int32 code, BPrivate::LinkReceiver &link)
 			fLink.Flush();
 			break;
 		}
+		case AS_GET_HAS_GLYPHS:
+		{
+			FTRACE(("ServerApp %s: AS_GET_HAS_GLYPHS\n", Signature()));
+			// Attached Data:
+			// 1) uint16 - family ID
+			// 2) uint16 - style ID
+			// 3) int32 - numChars
+			// 4) char - chars (numChars times)
+			
+			uint16 famid, styid;
+			link.Read<uint16>(&famid);
+			link.Read<uint16>(&styid);
+			int32 numChars;
+			link.Read<int32>(&numChars);
+			char charArray[numChars];
+			link.Read(&charArray, numChars);
+			
+			ServerFont font;
+			if (font.SetFamilyAndStyle(famid, styid) == B_OK) {
+				bool hasArray[numChars];
+				font.GetHasGlyphs(charArray, numChars, hasArray);
+				fLink.StartMessage(SERVER_TRUE);
+				fLink.Attach(hasArray, sizeof(hasArray));
+			} else
+				fLink.StartMessage(SERVER_FALSE);
+			fLink.Flush();
+			break;
+		}
 		case AS_GET_ESCAPEMENTS:
 		{
 			FTRACE(("ServerApp %s: AS_GET_ESCAPEMENTS\n", Signature()));

src/servers/app/ServerFont.cpp

@@ -322,6 +322,7 @@ ServerFont::GetGlyphShapes(const char charArray[], int32 numChars) const
 	for (int i = 0; i < numChars; i++) {
 		shapes[i] = new BShape();
 		shapes[i]->Clear();
+		// TODO : this is wrong (the nth char isn't charArray[i])
 		FT_Load_Char(face, charArray[i], FT_LOAD_NO_BITMAP);
 		FT_Outline outline = face->glyph->outline;
 		FT_Outline_Decompose(&outline, &funcs, shapes[i]);
@@ -331,6 +332,21 @@ ServerFont::GetGlyphShapes(const char charArray[], int32 numChars) const
 	return shapes;
 }
 
+
+void
+ServerFont::GetHasGlyphs(const char charArray[], int32 numChars, bool hasArray[]) const
+{
+	if (!fStyle || !charArray || numChars <= 0 || !hasArray)
+		return;
+
+	// TODO : implement for real
+
+	for (int i = 0; i < numChars; i++) {
+		hasArray[i] = true;
+	}	
+}
+
+
 // GetEscapements
 BPoint*
 ServerFont::GetEscapements(const char charArray[], int32 numChars,
@@ -374,6 +390,7 @@ ServerFont::GetEscapements(const char charArray[], int32 numChars,
 	// TODO: handle UTF8... see below!!
 	BPoint *escapements = (BPoint *)malloc(sizeof(BPoint) * numChars);
 	for (int i = 0; i < numChars; i++) {
+		// TODO : this is wrong (the nth char isn't charArray[i])
 		FT_Load_Char(face, charArray[i], FT_LOAD_NO_BITMAP);
 //		escapements[i].x = float(face->glyph->metrics.width / 64) / fSize;
 //		escapements[i].y = 0;