Merged fractional text positioning branch.

1 files changed, 79 insertions, 27 deletions

diff --git a/src/Editor.cxx b/src/Editor.cxx
index 2e4d724e5..507ae60a1 100644
--- a/src/Editor.cxx
+++ b/src/Editor.cxx
@@ -102,7 +102,8 @@ Editor::Editor() {
 	ctrlID = 0;
 
 	stylesValid = false;
-
+	technology = SC_TECHNOLOGY_DEFAULT;
+	
 	printMagnification = 0;
 	printColourMode = SC_PRINT_NORMAL;
 	printWrapState = eWrapWord;
@@ -168,11 +169,11 @@ Editor::Editor() {
 	additionalCaretsVisible = true;
 	virtualSpaceOptions = SCVS_NONE;
 
-	pixmapLine = Surface::Allocate();
-	pixmapSelMargin = Surface::Allocate();
-	pixmapSelPattern = Surface::Allocate();
-	pixmapIndentGuide = Surface::Allocate();
-	pixmapIndentGuideHighlight = Surface::Allocate();
+	pixmapLine = 0;
+	pixmapSelMargin = 0;
+	pixmapSelPattern = 0;
+	pixmapIndentGuide = 0;
+	pixmapIndentGuideHighlight = 0;
 
 	targetStart = 0;
 	targetEnd = 0;
@@ -227,12 +228,7 @@ Editor::~Editor() {
 	pdoc->RemoveWatcher(this, 0);
 	pdoc->Release();
 	pdoc = 0;
-	DropGraphics();
-	delete pixmapLine;
-	delete pixmapSelMargin;
-	delete pixmapSelPattern;
-	delete pixmapIndentGuide;
-	delete pixmapIndentGuideHighlight;
+	DropGraphics(true);
 }
 
 void Editor::Finalise() {
@@ -240,17 +236,50 @@ void Editor::Finalise() {
 	CancelModes();
 }
 
-void Editor::DropGraphics() {
-	pixmapLine->Release();
-	pixmapSelMargin->Release();
-	pixmapSelPattern->Release();
-	pixmapIndentGuide->Release();
-	pixmapIndentGuideHighlight->Release();
+void Editor::DropGraphics(bool freeObjects) {
+	if (freeObjects) {
+		delete pixmapLine;
+		pixmapLine = 0;
+		delete pixmapSelMargin;
+		pixmapSelMargin = 0;
+		delete pixmapSelPattern;
+		pixmapSelPattern = 0;
+		delete pixmapIndentGuide;
+		pixmapIndentGuide = 0;
+		delete pixmapIndentGuideHighlight;
+		pixmapIndentGuideHighlight = 0;
+	} else {
+		if (pixmapLine)
+			pixmapLine->Release();
+		if (pixmapSelMargin)
+			pixmapSelMargin->Release();
+		if (pixmapSelPattern)
+			pixmapSelPattern->Release();
+		if (pixmapIndentGuide)
+			pixmapIndentGuide->Release();
+		if (pixmapIndentGuideHighlight)
+			pixmapIndentGuideHighlight->Release();
+	}
+}
+
+void Editor::AllocateGraphics() {
+	if (!pixmapLine)
+		pixmapLine = Surface::Allocate(technology);
+	if (!pixmapSelMargin)
+		pixmapSelMargin = Surface::Allocate(technology);
+	if (!pixmapSelPattern)
+		pixmapSelPattern = Surface::Allocate(technology);
+	if (!pixmapIndentGuide)
+		pixmapIndentGuide = Surface::Allocate(technology);
+	if (!pixmapIndentGuideHighlight)
+		pixmapIndentGuideHighlight = Surface::Allocate(technology);
 }
 
 void Editor::InvalidateStyleData() {
 	stylesValid = false;
-	DropGraphics();
+	vs.technology = technology;
+	DropGraphics(false);
+	AllocateGraphics();
 	palette.Release();
 	llc.Invalidate(LineLayout::llInvalid);
 	posCache.Clear();
@@ -2220,7 +2249,7 @@ void Editor::LayoutLine(int line, Surface *surface, ViewStyle &vstyle, LineLayou
 		// Layout the line, determining the position of each character,
 		// with an extra element at the end for the end of the line.
 		int startseg = 0;	// Start of the current segment, in char. number
-		int startsegx = 0;	// Start of the current segment, in pixels
+		XYACCUMULATOR startsegx = 0;	// Start of the current segment, in pixels
 		ll->positions[0] = 0;
 		unsigned int tabWidth = vstyle.spaceWidth * pdoc->tabInChars;
 		bool lastSegItalics = false;
@@ -2241,7 +2270,7 @@ void Editor::LayoutLine(int line, Surface *surface, ViewStyle &vstyle, LineLayou
 				if (vstyle.styles[ll->styles[charInLine]].visible) {
 					if (isControl) {
 						if (ll->chars[charInLine] == '\t') {
-							ll->positions[charInLine + 1] = ((((startsegx + 2) /
+							ll->positions[charInLine + 1] = ((((static_cast<int>(startsegx) + 2) /
 							        tabWidth) + 1) * tabWidth) - startsegx;
 						} else if (controlCharSymbol < 32) {
 							if (ctrlCharWidth[ll->chars[charInLine]] == 0) {
@@ -2906,8 +2935,10 @@ void Editor::DrawLine(Surface *surface, ViewStyle &vsDraw, int line, int lineVis
 		// draw strings that are completely past the right side of the window.
 		if ((rcSegment.left <= rcLine.right) && (rcSegment.right >= rcLine.left)) {
 			// Clip to line rectangle, since may have a huge position which will not work with some platforms
-			rcSegment.left = Platform::Maximum(rcSegment.left, rcLine.left);
-			rcSegment.right = Platform::Minimum(rcSegment.right, rcLine.right);
+			if (rcSegment.left < rcLine.left)
+				rcSegment.left = rcLine.left;
+			if (rcSegment.right > rcLine.right)
+				rcSegment.right = rcLine.right;
 
 			int styleMain = ll->styles[i];
 			const int inSelection = hideSelection ? 0 : sel.CharacterInSelection(iDoc);
@@ -3383,7 +3414,7 @@ void Editor::DrawCarets(Surface *surface, ViewStyle &vsDraw, int lineDoc, int xS
 		const int spaceWidth = static_cast<int>(vsDraw.styles[ll->EndLineStyle()].spaceWidth);
 		const int virtualOffset = posCaret.VirtualSpace() * spaceWidth;
 		if (ll->InLine(offset, subLine) && offset <= ll->numCharsBeforeEOL) {
-			int xposCaret = ll->positions[offset] + virtualOffset - ll->positions[ll->LineStart(subLine)];
+			XYPOSITION xposCaret = ll->positions[offset] + virtualOffset - ll->positions[ll->LineStart(subLine)];
 			if (ll->wrapIndent != 0) {
 				int lineStart = ll->LineStart(subLine);
 				if (lineStart != 0)	// Wrapped
@@ -3928,7 +3959,7 @@ void Editor::SetScrollBars() {
 }
 
 void Editor::ChangeSize() {
-	DropGraphics();
+	DropGraphics(false);
 	SetScrollBars();
 	if (wrapState != eWrapNone) {
 		PRectangle rcTextArea = GetClientRectangle();
@@ -6983,7 +7014,10 @@ void Editor::StyleSetMessage(unsigned int iMessage, uptr_t wParam, sptr_t lParam
 		vs.styles[wParam].back.desired = ColourDesired(lParam);
 		break;
 	case SCI_STYLESETBOLD:
-		vs.styles[wParam].bold = lParam != 0;
+		vs.styles[wParam].weight = lParam != 0 ? SC_WEIGHT_BOLD : SC_WEIGHT_NORMAL;
+		break;
+	case SCI_STYLESETWEIGHT:
+		vs.styles[wParam].weight = lParam;
 		break;
 	case SCI_STYLESETITALIC:
 		vs.styles[wParam].italic = lParam != 0;
@@ -6992,6 +7026,9 @@ void Editor::StyleSetMessage(unsigned int iMessage, uptr_t wParam, sptr_t lParam
 		vs.styles[wParam].eolFilled = lParam != 0;
 		break;
 	case SCI_STYLESETSIZE:
+		vs.styles[wParam].size = lParam * SC_FONT_SIZE_MULTIPLIER;
+		break;
+	case SCI_STYLESETSIZEFRACTIONAL:
 		vs.styles[wParam].size = lParam;
 		break;
 	case SCI_STYLESETFONT:
@@ -7029,12 +7066,16 @@ sptr_t Editor::StyleGetMessage(unsigned int iMessage, uptr_t wParam, sptr_t lPar
 	case SCI_STYLEGETBACK:
 		return vs.styles[wParam].back.desired.AsLong();
 	case SCI_STYLEGETBOLD:
-		return vs.styles[wParam].bold ? 1 : 0;
+		return vs.styles[wParam].weight > SC_WEIGHT_NORMAL;
+	case SCI_STYLEGETWEIGHT:
+		return vs.styles[wParam].weight;
 	case SCI_STYLEGETITALIC:
 		return vs.styles[wParam].italic ? 1 : 0;
 	case SCI_STYLEGETEOLFILLED:
 		return vs.styles[wParam].eolFilled ? 1 : 0;
 	case SCI_STYLEGETSIZE:
+		return vs.styles[wParam].size / SC_FONT_SIZE_MULTIPLIER;
+	case SCI_STYLEGETSIZEFRACTIONAL:
 		return vs.styles[wParam].size;
 	case SCI_STYLEGETFONT:
 		if (!vs.styles[wParam].fontName)
@@ -8146,9 +8187,11 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 	case SCI_STYLESETFORE:
 	case SCI_STYLESETBACK:
 	case SCI_STYLESETBOLD:
+	case SCI_STYLESETWEIGHT:
 	case SCI_STYLESETITALIC:
 	case SCI_STYLESETEOLFILLED:
 	case SCI_STYLESETSIZE:
+	case SCI_STYLESETSIZEFRACTIONAL:
 	case SCI_STYLESETFONT:
 	case SCI_STYLESETUNDERLINE:
 	case SCI_STYLESETCASE:
@@ -8162,9 +8205,11 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 	case SCI_STYLEGETFORE:
 	case SCI_STYLEGETBACK:
 	case SCI_STYLEGETBOLD:
+	case SCI_STYLEGETWEIGHT:
 	case SCI_STYLEGETITALIC:
 	case SCI_STYLEGETEOLFILLED:
 	case SCI_STYLEGETSIZE:
+	case SCI_STYLEGETSIZEFRACTIONAL:
 	case SCI_STYLEGETFONT:
 	case SCI_STYLEGETUNDERLINE:
 	case SCI_STYLEGETCASE:
@@ -9203,6 +9248,13 @@ sptr_t Editor::WndProc(unsigned int iMessage, uptr_t wParam, sptr_t lParam) {
 	case SCI_GETIDENTIFIER:
 		return GetCtrlID();
 
+	case SCI_SETTECHNOLOGY:
+		// No action by default
+		break;
+	
+	case SCI_GETTECHNOLOGY:
+		return technology;
+
 	default:
 		return DefWndProc(iMessage, wParam, lParam);
 	}