Pixel-accurately clip characters to the available space instead of omitting whole characters that stick out.

In addition to being a prerequisite for shadowed text, this also fixes an issue sometimes seen at the bottom of the mini KI player list where characters with a descender were missing.

MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIEditBoxMod.cpp

@@ -197,9 +197,9 @@ void	pfGUIEditBoxMod::IUpdate( void )
 			oldCursorPos = cursorPos;
 			cursorPos -= (Int16)fScrollPos;
 
-			if( 4 + cursorPos > fDynTextMap->GetVisibleWidth() - 18 )
+			if( 4 + cursorPos > fDynTextMap->GetVisibleWidth() - 4 - 2 )
 			{
-				fScrollPos += ( 4 + cursorPos ) - ( fDynTextMap->GetVisibleWidth() - 18 );
+				fScrollPos += ( 4 + cursorPos ) - ( fDynTextMap->GetVisibleWidth() - 4 - 2 );
 			}
 			else if( 4 + cursorPos < 4 )
 			{

MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/PubUtilLib/plGImage/plDynamicTextMap.cpp

@@ -517,6 +517,7 @@ void	plDynamicTextMap::DrawString( UInt16 x, UInt16 y, const wchar_t *text )
 
 	SetJustify( fJustify );
 	fCurrFont->SetRenderFlag( plFont::kRenderWrap | plFont::kRenderClip, false );
+	fCurrFont->SetRenderClipRect( 0, 0, fVisWidth, fVisHeight );
 	fCurrFont->SetRenderColor( fFontColor.ToARGB32() );
 	fCurrFont->SetRenderFlag( plFont::kRenderIntoAlpha, fFontBlockRGB );
 	fCurrFont->RenderString( this, x, y, text );

MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/PubUtilLib/plGImage/plFont.cpp

@@ -659,11 +659,16 @@ void	plFont::IRenderString( plMipmap *mip, UInt16 x, UInt16 y, const wchar_t *st
 			// Advance left past any clipping area
 			CharRenderFunc oldFunc = fRenderInfo.fRenderFunc;
 			fRenderInfo.fRenderFunc = &plFont::IRenderCharNull;
-			while( fRenderInfo.fX < fRenderInfo.fClipRect.fX && *string != 0 )
+			Int16 prevX;
+			do
 			{
+				prevX = fRenderInfo.fX;
 				IRenderLoop( string, 1 );
-				string++;
 			}
+			while( fRenderInfo.fX <= fRenderInfo.fClipRect.fX && *++string != 0 );
+			fRenderInfo.fMaxWidth += fRenderInfo.fX - prevX;
+			fRenderInfo.fDestPtr -= (fRenderInfo.fX - prevX) * fRenderInfo.fDestBPP;
+			fRenderInfo.fX = prevX;
 			fRenderInfo.fRenderFunc = oldFunc;
 		}
 
@@ -672,10 +677,10 @@ void	plFont::IRenderString( plMipmap *mip, UInt16 x, UInt16 y, const wchar_t *st
 		{
 			// See note at top of file
 			plCharacter &ch = fCharacters[ (UInt16)string[ 0 ] - fFirstChar ];
-			Int32 newX = x - (Int16)ch.fLeftKern;
-			if( newX < 0 )
-				newX = 0;
-			fRenderInfo.fX = fRenderInfo.fFarthestX = (Int16)newX;
+			fRenderInfo.fX -= (Int16)ch.fLeftKern;
+			fRenderInfo.fMaxWidth += (Int16)ch.fLeftKern;
+			fRenderInfo.fDestPtr -= (Int16)ch.fLeftKern * fRenderInfo.fDestBPP;
+			fRenderInfo.fFarthestX = fRenderInfo.fX;
 		}
 
 		fRenderInfo.fVolatileStringPtr = string;	// Just so we can keep track of when we clip
@@ -715,9 +720,6 @@ void	plFont::IRenderLoop( const wchar_t *string, Int32 maxCount )
 				if( fRenderInfo.fFlags & kRenderScaleAA )
 					thisWidth >>= 1;
 
-				if( thisWidth >= fRenderInfo.fMaxWidth )
-					break;
-
 				(this->*(fRenderInfo.fRenderFunc))( fCharacters[ c ] );
 
 				fRenderInfo.fX += thisWidth;
@@ -848,8 +850,8 @@ void	plFont::IRenderChar8To32( const plFont::plCharacter &c )
 {
 	UInt8	*src = fBMapData + c.fBitmapOff;
 	UInt32	*destPtr, *destBasePtr = (UInt32 *)( fRenderInfo.fDestPtr - c.fBaseline * fRenderInfo.fDestStride );
-	UInt16	x, y;
-	UInt32	srcAlpha, oneMinusAlpha, r, g, b, dR, dG, dB, destAlpha, thisWidth;
+	Int16	x, y, thisHeight, xstart, thisWidth;
+	UInt32	srcAlpha, oneMinusAlpha, r, g, b, dR, dG, dB, destAlpha;
 	UInt8	srcR, srcG, srcB;
 
 
@@ -861,18 +863,34 @@ void	plFont::IRenderChar8To32( const plFont::plCharacter &c )
 	// should already be in the cache. If it does, time to upgrade the font
 	// format (again)
 	thisWidth = fWidth;// + (Int32)c.fRightKern;
+	if( thisWidth >= fRenderInfo.fMaxWidth )
+		thisWidth = fRenderInfo.fMaxWidth;
 
-	if( (Int32)c.fHeight - (Int32)c.fBaseline >= fRenderInfo.fMaxHeight || thisWidth >= fRenderInfo.fMaxWidth || c.fBaseline > fRenderInfo.fY )
-		return;
+	xstart = fRenderInfo.fClipRect.fX - fRenderInfo.fX;
+	if( xstart < 0 )
+		xstart = 0;
 
 	srcR = (UInt8)(( fRenderInfo.fColor >> 16 ) & 0x000000ff);
 	srcG = (UInt8)(( fRenderInfo.fColor >> 8  ) & 0x000000ff);
 	srcB = (UInt8)(( fRenderInfo.fColor       ) & 0x000000ff);
 
-	for( y = 0; y < c.fHeight; y++ )
+	y = fRenderInfo.fClipRect.fY - fRenderInfo.fY + (Int16)c.fBaseline;
+	if( y < 0 )
+		y = 0;
+	else
+	{
+		destBasePtr = (UInt32 *)( (UInt8 *)destBasePtr + y*fRenderInfo.fDestStride );
+		src += y*fRenderInfo.fNumCols;
+	}
+
+	thisHeight = fRenderInfo.fMaxHeight + (Int16)c.fBaseline;
+	if( thisHeight > (Int16)c.fHeight )
+		thisHeight = (Int16)c.fHeight;
+
+	for( ; y < thisHeight; y++ )
 	{
 		destPtr = destBasePtr;
-		for( x = 0; x < thisWidth; x++ )
+		for( x = xstart; x < thisWidth; x++ )
 		{
 			if( src[ x ] == 255 )
 				destPtr[ x ] = fRenderInfo.fColor;
@@ -907,8 +925,8 @@ void	plFont::IRenderChar8To32FullAlpha( const plFont::plCharacter &c )
 {
 	UInt8	*src = fBMapData + c.fBitmapOff;
 	UInt32	*destPtr, *destBasePtr = (UInt32 *)( fRenderInfo.fDestPtr - c.fBaseline * fRenderInfo.fDestStride );
-	UInt16	x, y;
-	UInt32	destColorOnly, thisWidth;
+	Int16	x, y, thisHeight, xstart, thisWidth;
+	UInt32	destColorOnly;
 
 
 	// Unfortunately for some fonts, their right kern value actually is
@@ -919,16 +937,32 @@ void	plFont::IRenderChar8To32FullAlpha( const plFont::plCharacter &c )
 	// should already be in the cache. If it does, time to upgrade the font
 	// format (again)
 	thisWidth = fWidth;// + (Int32)c.fRightKern;
+	if( thisWidth >= fRenderInfo.fMaxWidth )
+		thisWidth = fRenderInfo.fMaxWidth;
 
-	if( (Int32)c.fHeight - (Int32)c.fBaseline  >= fRenderInfo.fMaxHeight || thisWidth >= fRenderInfo.fMaxWidth || c.fBaseline > fRenderInfo.fY )
-		return;
+	xstart = fRenderInfo.fClipRect.fX - fRenderInfo.fX;
+	if( xstart < 0 )
+		xstart = 0;
 
 	destColorOnly = fRenderInfo.fColor & 0x00ffffff;
 
-	for( y = 0; y < c.fHeight; y++ )
+	y = fRenderInfo.fClipRect.fY - fRenderInfo.fY + (Int16)c.fBaseline;
+	if( y < 0 )
+		y = 0;
+	else
+	{
+		destBasePtr = (UInt32 *)( (UInt8 *)destBasePtr + y*fRenderInfo.fDestStride );
+		src += y*fRenderInfo.fNumCols;
+	}
+
+	thisHeight = fRenderInfo.fMaxHeight + (Int16)c.fBaseline;
+	if( thisHeight > (Int16)c.fHeight )
+		thisHeight = (Int16)c.fHeight;
+
+	for( ; y < thisHeight; y++ )
 	{
 		destPtr = destBasePtr;
-		for( x = 0; x < thisWidth; x++ )
+		for( x = xstart; x < thisWidth; x++ )
 		{
 			if( src[ x ] != 0 )
 				destPtr[ x ] = ( src[ x ] << 24 ) | destColorOnly;
@@ -942,8 +976,8 @@ void	plFont::IRenderChar8To32Alpha( const plFont::plCharacter &c )
 {
 	UInt8	val, *src = fBMapData + c.fBitmapOff;
 	UInt32	*destPtr, *destBasePtr = (UInt32 *)( fRenderInfo.fDestPtr - c.fBaseline * fRenderInfo.fDestStride );
-	UInt16	x, y;
-	UInt32	destColorOnly, alphaMult, fullAlpha, thisWidth;
+	Int16	x, y, thisHeight, xstart, thisWidth;
+	UInt32	destColorOnly, alphaMult, fullAlpha;
 
 
 	// Unfortunately for some fonts, their right kern value actually is
@@ -954,9 +988,12 @@ void	plFont::IRenderChar8To32Alpha( const plFont::plCharacter &c )
 	// should already be in the cache. If it does, time to upgrade the font
 	// format (again)
 	thisWidth = fWidth;// + (Int32)c.fRightKern;
+	if( thisWidth >= fRenderInfo.fMaxWidth )
+		thisWidth = fRenderInfo.fMaxWidth;
 
-	if( (Int32)c.fHeight - (Int32)c.fBaseline  >= fRenderInfo.fMaxHeight || thisWidth >= fRenderInfo.fMaxWidth || c.fBaseline > fRenderInfo.fY )
-		return;
+	xstart = fRenderInfo.fClipRect.fX - fRenderInfo.fX;
+	if( xstart < 0 )
+		xstart = 0;
 
 	destColorOnly = fRenderInfo.fColor & 0x00ffffff;
 	// alphaMult should come out to be a value to satisfy (fontAlpha * alphaMult >> 8) as the right alpha,
@@ -964,10 +1001,23 @@ void	plFont::IRenderChar8To32Alpha( const plFont::plCharacter &c )
 	fullAlpha = fRenderInfo.fColor & 0xff000000;
 	alphaMult = fullAlpha / 255;
 
-	for( y = 0; y < c.fHeight; y++ )
+	y = fRenderInfo.fClipRect.fY - fRenderInfo.fY + (Int16)c.fBaseline;
+	if( y < 0 )
+		y = 0;
+	else
+	{
+		destBasePtr = (UInt32 *)( (UInt8 *)destBasePtr + y*fRenderInfo.fDestStride );
+		src += y*fRenderInfo.fNumCols;
+	}
+
+	thisHeight = fRenderInfo.fMaxHeight + (Int16)c.fBaseline;
+	if( thisHeight > (Int16)c.fHeight )
+		thisHeight = (Int16)c.fHeight;
+
+	for( ; y < thisHeight; y++ )
 	{
 		destPtr = destBasePtr;
-		for( x = 0; x < thisWidth; x++ )
+		for( x = xstart; x < thisWidth; x++ )
 		{
 			val = src[ x ];
 			if( val == 0xff )