From 95faf85bd3056cd0e2571f59141c9168be3cf2f9 Mon Sep 17 00:00:00 2001
From: cxl <cxl@f0d560ea-af0d-0410-9eb7-867de7ffcac7>
Date: Sun, 22 Feb 2009 09:50:16 +0000
Subject: [PATCH] Painter subpixel fixes

git-svn-id: svn://ultimatepp.org/upp/trunk@887 f0d560ea-af0d-0410-9eb7-867de7ffcac7
---
 uppsrc/Painter/Fillers.cpp |  8 ++++++--
 uppsrc/Painter/Fillers.h   |  2 +-
 uppsrc/Painter/Mask.cpp    | 10 +++++++++-
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/uppsrc/Painter/Fillers.cpp b/uppsrc/Painter/Fillers.cpp
index 3b42a9206..7a252cc1b 100644
--- a/uppsrc/Painter/Fillers.cpp
+++ b/uppsrc/Painter/Fillers.cpp
@@ -77,6 +77,7 @@ void SubpixelFiller::Start(int minx, int maxx)
 	sbuffer[0] = sbuffer[1] = sbuffer[2] = sbuffer[3] =
 	sbuffer[4] = sbuffer[5] = sbuffer[6] = sbuffer[7] = 0;
 	v = sbuffer + 3 + minx % 3;
+	end = v + maxx + 1;
 	if(ss) {
 		int xx = maxx / 3;
 		ss->Get(buffer, x, y, xx - x + 2);
@@ -134,8 +135,11 @@ void SubpixelFiller::Render(int val, int len)
 
 void SubpixelFiller::End()
 {
-	int n = (3333333 - (v - begin)) % 3;
-	while(n--)
+//	int n = (3333333 - (v - begin)) % 3;
+//	while(n--)
+	if(v < end)
+		Render(0);
+	if(v < end)
 		Render(0);
 	int16 *q = begin;
 	while(q < v) {
diff --git a/uppsrc/Painter/Fillers.h b/uppsrc/Painter/Fillers.h
index f44b759b2..c5268b3b6 100644
--- a/uppsrc/Painter/Fillers.h
+++ b/uppsrc/Painter/Fillers.h
@@ -24,7 +24,7 @@ struct SpanFiller : Rasterizer::Filler {
 
 struct SubpixelFiller : Rasterizer::Filler {
 	int16        *sbuffer;
-	int16        *begin;
+	int16        *begin, *end;
 	RGBA         *t;
 	int16        *v;
 	RGBA         *s;
diff --git a/uppsrc/Painter/Mask.cpp b/uppsrc/Painter/Mask.cpp
index b18eee9bb..610dfd035 100644
--- a/uppsrc/Painter/Mask.cpp
+++ b/uppsrc/Painter/Mask.cpp
@@ -30,7 +30,7 @@ static inline byte *sSpan(byte *t, int c, int& len)
 
 void BufferPainter::FinishMask()
 {
-	Buffer<byte> wb(2 * ib.GetWidth());
+	Buffer<byte> wb(quality == QUALITY_SUBPIXEL ? 6 * ib.GetWidth() : 2 * ib.GetWidth());
 	bool creating = false;
 	if(!attr.hasclip) {
 		clip.Add().Alloc(ib.GetHeight());
@@ -53,18 +53,26 @@ void BufferPainter::FinishMask()
 				if(val == 0) {
 					if(c256) t = sSpan(t, 128, c256);
 					c0++;
+					if(quality == QUALITY_SUBPIXEL)
+						c0 += 2;
 					full = false;
 				}
 				else
 				if(val == 256) {
 					if(c0) t = sSpan(t, 0, c0);
 					c256++;
+					if(quality == QUALITY_SUBPIXEL)
+						c256 += 2;
 					empty = false;
 				}
 				else {
 					if(c256) t = sSpan(t, 128, c256);
 					if(c0) t = sSpan(t, 0, c0);
 					*t++ = val;
+					if(quality == QUALITY_SUBPIXEL) {
+						*t++ = val;
+						*t++ = val;
+					}
 					full = empty = false;
 				}
 				s++;