From bda22ae3a8dbf96e72c5665b9c95c5e264592b3b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C2=A8Rene=20Richarz?= <¨rene.richarz@bluewin.ch¨>
Date: Fri, 12 Apr 2019 15:57:54 +0200
Subject: [PATCH] variable character size added

---
 ards.c       |   5 ++---
 tek4010      | Bin 35236 -> 35344 bytes
 tek4010.c    |  23 +++++++++++------------
 tube.c       |  25 +++++++++++++++++--------
 tube.h       |   9 +++++----
 versions.txt |   6 ++++++
 6 files changed, 41 insertions(+), 27 deletions(-)

diff --git a/ards.c b/ards.c
index 8730499..c1ba131 100755
--- a/ards.c
+++ b/ards.c
@@ -64,9 +64,8 @@ void ards_draw(cairo_t *cr, cairo_t *cr2, int first)
                         eoffx = 0;
                         refresh_interval = 30;   
                 }
-                hDotsPerChar  = actualWidth / 74;
-                vDotsPerChar  = windowHeight / 35;
                 windowWidth = actualWidth;
+                tube_changeCharacterSize(cr, cr2, 74, 35, (int) (18.0 * efactor));
                 // printf("Scaling: %0.2f\n", efactor);
                 // printf("Offset: %d\n",eoffx);
                 // printf("Refresh interval: %d\n",refresh_interval);
@@ -85,7 +84,7 @@ void ards_draw(cairo_t *cr, cairo_t *cr2, int first)
                 tube_clearPersistent(cr,cr2);
         }
         
-        tube_setupPainting(cr, cr2, "Monospace", (int)(efactor * 18));
+        tube_setupPainting(cr, cr2, "Monospace");
         
         do {
                 ch = tube_getInputChar();
diff --git a/tek4010 b/tek4010
index adea5973beda6cfe468afc8d5cf244b8667f18e6..3bbaf2e3c70ee3cac07cff7e53a55a0e3ee31d5c 100755
GIT binary patch
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diff --git a/tek4010.c b/tek4010.c
index e02625d..0bd20c7 100755
--- a/tek4010.c
+++ b/tek4010.c
@@ -103,6 +103,7 @@ void tek4010_escapeCodeHandler(cairo_t *cr, cairo_t *cr2, int ch)
                         break;
                 case 12:
                         if (DEBUG) printf("Form feed, clear screen\n");
+                        tube_changeCharacterSize(cr, cr2, 74, 35, (int) (18.0 * efactor));
                         tube_clearPersistent(cr,cr2);
                         mode = 0;
                         break;
@@ -127,7 +128,6 @@ void tek4010_escapeCodeHandler(cairo_t *cr, cairo_t *cr2, int ch)
                         plotPointMode = 0;
                         break;
                                          
-                // start of ignoring ANSI escape sequencies, could be improved (but the Tek4010 couldn't do this either!)
                 case '0':
                 case '1':
                 case '2':
@@ -135,15 +135,14 @@ void tek4010_escapeCodeHandler(cairo_t *cr, cairo_t *cr2, int ch)
                 case '4':
                 case '5':
                 case '6':
-                case '7':
-                case '8':
-                case '9':       break;
-                case ';':       mode = 31; break;
-                case ']':       break;
-                case 'm':       mode = 0; break;
+                case '7': printf("esc %c\n", ch); mode = 31; break;
+                case '8': tube_changeCharacterSize(cr, cr2, 74, 35, (int)(efactor * 18)); break;
+                case '9': tube_changeCharacterSize(cr, cr2, 81, 38, (int)(efactor * 16)); break;
+                case ':': tube_changeCharacterSize(cr, cr2, 121, 58, (int)(efactor * 11)); break;
+                case ';': tube_changeCharacterSize(cr, cr2, 133, 64, (int)(efactor * 10)); break;
+                case ']': printf("esc %c\n", ch);      break;
+                case 'm': mode = 0; break;
                 
-                // end of ignoring ANSI escape sequencies
-
                 case '`': ltype = SOLID;    writeThroughMode = 0; mode = 0; break;
                 case 'a': ltype = DOTTED;   writeThroughMode = 0; mode = 0; break;
                 case 'b': ltype = DOTDASH;  writeThroughMode = 0; mode = 0; break;
@@ -208,9 +207,8 @@ void tek4010_draw(cairo_t *cr, cairo_t *cr2, int first)
                         eoffx = 0;
                         refresh_interval = 30;   
                 }
-                hDotsPerChar  = actualWidth / 74;
-                vDotsPerChar  = windowHeight / 35;
                 windowWidth = actualWidth;
+                tube_changeCharacterSize(cr, cr2, 74, 35, (int) (18.0 * efactor));
                 // printf("Scaling: %0.2f\n", efactor);
                 // printf("Offset: %d\n",eoffx);
                 // printf("Refresh interval: %d\n",refresh_interval);
@@ -227,9 +225,10 @@ void tek4010_draw(cairo_t *cr, cairo_t *cr2, int first)
         // clear persistent surface, if necessary
         if (globaltube_clearPersistent) {
                 tube_clearPersistent(cr,cr2);
+                tube_changeCharacterSize(cr, cr2, 74, 35, (int) (18.0 * efactor));
         }
         
-        tube_setupPainting(cr, cr2, "Monospace", (int)(efactor * 18));
+        tube_setupPainting(cr, cr2, "Monospace");
         
         if (plotPointMode)
                 todo = 16 * TODO;
diff --git a/tube.c b/tube.c
index ac006e5..44b8dc0 100755
--- a/tube.c
+++ b/tube.c
@@ -88,6 +88,7 @@ long refreshCount = 0;           // variables for baud rate and refresh rate mea
 static long charCount = 0;
 static long charResetCount = 0;
 static long characterInterval = 0;
+static int currentFontSize = 18;
 
 long startPaintTime;
 
@@ -462,7 +463,10 @@ void tube_drawCharacter(cairo_t *cr, cairo_t *cr2, char ch)
 {
         char s[2];
         s[0] = ch;
-        s[1] = 0;                                                
+        s[1] = 0;
+        
+        cairo_set_font_size(cr, currentFontSize);
+        cairo_set_font_size(cr2,currentFontSize);                                              
 
         if (writeThroughMode) {  // draw the write-through character
                 cairo_set_source_rgb(cr2, 0, WRITE_TROUGH_INTENSITY, 0);
@@ -568,15 +572,20 @@ void tube_drawVector(cairo_t *cr, cairo_t *cr2)
         isBrightSpot = 1; // also to be set if writeThroughMode
 }
 
-void tube_setupPainting(cairo_t *cr, cairo_t *cr2, char *fontName, int fontSize)
+void tube_setupPainting(cairo_t *cr, cairo_t *cr2, char *fontName)
 {
         cairo_set_antialias(cr, CAIRO_ANTIALIAS_BEST);      
 	cairo_set_line_width (cr, 1);
-        cairo_set_source_rgb(cr, 0, NORMAL_INTENSITY, 0);
-        
+        cairo_set_source_rgb(cr, 0, NORMAL_INTENSITY, 0);        
         cairo_select_font_face(cr, fontName, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
-        cairo_select_font_face(cr2, fontName, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
-        
-        cairo_set_font_size(cr, fontSize);
-        cairo_set_font_size(cr2,fontSize);
+        cairo_select_font_face(cr2, fontName, CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);        
+}
+
+void tube_changeCharacterSize(cairo_t *cr, cairo_t *cr2,int charsPerLine, int charsPerPage, int fontSize)
+{
+        int fontsize;
+        hDotsPerChar = windowWidth / charsPerLine;
+        vDotsPerChar = windowHeight / charsPerPage;
+        leftmargin = 0;
+        currentFontSize = fontSize;
 }
diff --git a/tube.h b/tube.h
index b02afda..acc69b1 100644
--- a/tube.h
+++ b/tube.h
@@ -37,7 +37,8 @@ extern void tube_clearPersistent(cairo_t *cr, cairo_t *cr2);
 extern int  tube_isInput();
 extern int  tube_getInputChar();
 extern void tube_emulateDeflectionTime();
-void        tube_drawVector(cairo_t *cr, cairo_t *cr2);
-void        tube_drawCharacter(cairo_t *cr, cairo_t *cr2, char ch);
-void        tube_drawPoint(cairo_t *cr, cairo_t *cr2);
-void        tube_setupPainting(cairo_t *cr, cairo_t *cr2, char *fontName, int fontSize);
+extern void tube_drawVector(cairo_t *cr, cairo_t *cr2);
+extern void tube_drawCharacter(cairo_t *cr, cairo_t *cr2, char ch);
+extern void tube_drawPoint(cairo_t *cr, cairo_t *cr2);
+extern void tube_setupPainting(cairo_t *cr, cairo_t *cr2, char *fontName);
+extern void tube_changeCharacterSize(cairo_t *cr, cairo_t *cr2, int charsPerLine, int charsPerPage, int fontSize);
diff --git a/versions.txt b/versions.txt
index 06bc22d..9d64b04 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,3 +1,9 @@
+Next version t.b.b
+==================
+New features
+- variable character size, set with ESC sequencies, reset if screen is cleared
+
+
 Version 1.1 April 12, 2019
 ==========================
 Phase: Fist offical release