From 09fd0473a17f58b3f744d99a3f57cca60bf2aaf1 Mon Sep 17 00:00:00 2001
From: nyamatongwe <unknown>
Date: Thu, 21 Jul 2011 16:33:42 +1000
Subject: Added dotted box indicator.

---
 src/Indicator.cxx | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'src/Indicator.cxx')

diff --git a/src/Indicator.cxx b/src/Indicator.cxx
index 5efee75e6..7059a55bd 100644
--- a/src/Indicator.cxx
+++ b/src/Indicator.cxx
@@ -5,9 +5,17 @@
 // Copyright 1998-2001 by Neil Hodgson <neilh@scintilla.org>
 // The License.txt file describes the conditions under which this software may be distributed.
 
+#include <vector>
+#include <map>
+
+#ifdef _MSC_VER
+#pragma warning(disable: 4786)
+#endif
+
 #include "Platform.h"
 
 #include "Scintilla.h"
+#include "XPM.h"
 #include "Indicator.h"
 
 #ifdef SCI_NAMESPACE
@@ -84,6 +92,27 @@ void Indicator::Draw(Surface *surface, const PRectangle &rc, const PRectangle &r
 		rcBox.left = rc.left;
 		rcBox.right = rc.right;
 		surface->AlphaRectangle(rcBox, (style == INDIC_ROUNDBOX) ? 1 : 0, fore.allocated, fillAlpha, fore.allocated, outlineAlpha, 0);
+	} else if (style == INDIC_DOTBOX) {
+		PRectangle rcBox = rcLine;
+		rcBox.top = rcLine.top + 1;
+		rcBox.left = rc.left;
+		rcBox.right = rc.right;
+		// Cap width at 4000 to avoid large allocations when mistakes made
+		int width = Platform::Minimum(rcBox.Width(), 4000);
+		RGBAImage image(width, rcBox.Height(), 0);
+		// Draw horizontal lines top and bottom
+		for (int x=0; x<width; x++) {
+			for (int y=0; y<rcBox.Height(); y += rcBox.Height()-1) {
+				image.SetPixel(x, y, fore.desired, ((x + y) % 2) ? outlineAlpha : fillAlpha);
+			}
+		}
+		// Draw vertical lines left and right
+		for (int y=1; y<rcBox.Height(); y++) {
+			for (int x=0; x<width; x += width-1) {
+				image.SetPixel(x, y, fore.desired, ((x + y) % 2) ? outlineAlpha : fillAlpha);
+			}
+		}
+		surface->DrawRGBAImage(rcBox, image.GetWidth(), image.GetHeight(), image.Pixels());
 	} else if (style == INDIC_DASH) {
 		int x = rc.left;
 		while (x < rc.right) {
-- 
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