From 9fa7e9be8180614b5f7c94440a8243f775e56aef Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Sun, 25 Nov 2018 16:34:55 -0800
Subject: GLK: FROTZ: Fix selection of the character graphics font

---
 engines/glk/frotz/processor_screen.cpp | 6 ++++--
 engines/glk/frotz/screen.cpp           | 7 ++++++-
 engines/glk/frotz/screen.h             | 5 +++++
 engines/glk/screen.h                   | 2 +-
 4 files changed, 16 insertions(+), 4 deletions(-)

(limited to 'engines')

diff --git a/engines/glk/frotz/processor_screen.cpp b/engines/glk/frotz/processor_screen.cpp
index 696ce7822a..6a518cf525 100644
--- a/engines/glk/frotz/processor_screen.cpp
+++ b/engines/glk/frotz/processor_screen.cpp
@@ -352,7 +352,7 @@ void Processor::z_set_text_style() {
 		// not tickle time
 		curstyle |= zargs[0];
 
-	if (h_flags & FIXED_FONT_FLAG || curr_font == FIXED_WIDTH_FONT)
+	if (h_flags & FIXED_FONT_FLAG || curr_font == FIXED_WIDTH_FONT || curr_font == GRAPHICS_FONT)
 		style = curstyle | FIXED_WIDTH_STYLE;
 	else
 		style = curstyle;
@@ -367,7 +367,9 @@ void Processor::z_set_text_style() {
 	}
 
 	if (style & FIXED_WIDTH_STYLE) {
-		if (style & BOLDFACE_STYLE && style & EMPHASIS_STYLE)
+		if (curr_font == GRAPHICS_FONT)
+			glk_set_style(style_User1);			// character graphics
+		else if (style & BOLDFACE_STYLE && style & EMPHASIS_STYLE)
 			glk_set_style(style_BlockQuote);	// monoz
 		else if (style & EMPHASIS_STYLE)
 			glk_set_style(style_Alert);			// monoi
diff --git a/engines/glk/frotz/screen.cpp b/engines/glk/frotz/screen.cpp
index a71217cc26..edd62eb7da 100644
--- a/engines/glk/frotz/screen.cpp
+++ b/engines/glk/frotz/screen.cpp
@@ -21,12 +21,17 @@
  */
 
 #include "glk/frotz/screen.h"
+#include "glk/conf.h"
 #include "common/file.h"
 #include "image/bmp.h"
 
 namespace Glk {
 namespace Frotz {
 
+FrotzScreen::FrotzScreen() : Glk::Screen() {
+	g_conf->_tStyles[style_User1].font = CUSTOM;
+}
+
 void FrotzScreen::loadFonts(Common::Archive *archive) {
 	Screen::loadFonts(archive);
 
@@ -66,7 +71,7 @@ void BitmapFont::drawChar(Graphics::Surface *dst, uint32 chr, int x, int y, uint
 		const byte *srcP = (const byte *)_surface.getBasePtr(r.left, r.top + yCtr);
 
 		for (int xCtr = 0; xCtr < r.width(); ++xCtr, ++srcP) {
-			if (*srcP)
+			if (!*srcP)
 				dst->hLine(x + xCtr, y + yCtr, x + xCtr, color);
 		}
 	}
diff --git a/engines/glk/frotz/screen.h b/engines/glk/frotz/screen.h
index d8b2b89a3f..568c3c73bf 100644
--- a/engines/glk/frotz/screen.h
+++ b/engines/glk/frotz/screen.h
@@ -42,6 +42,11 @@ protected:
 	 * Load the fonts
 	 */
 	virtual void loadFonts(Common::Archive *archive) override;
+public:
+	/**
+	 * Constructor
+	 */
+	FrotzScreen();
 };
 
 /**
diff --git a/engines/glk/screen.h b/engines/glk/screen.h
index bb5d7f6d25..10f8b14a2f 100644
--- a/engines/glk/screen.h
+++ b/engines/glk/screen.h
@@ -37,7 +37,7 @@ enum CaretShape {
 	SMALL_DOT = 0, FAT_DOT = 1, THIN_LINE = 2, FAT_LINE = 3, BLOCK = 4
 };
 
-enum FACES { MONOR, MONOB, MONOI, MONOZ, PROPR, PROPB, PROPI, PROPZ };
+enum FACES { MONOR, MONOB, MONOI, MONOZ, PROPR, PROPB, PROPI, PROPZ, CUSTOM };
 enum TYPES { MONOF, PROPF };
 enum STYLES { FONTR, FONTB, FONTI, FONTZ };
 
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