From f0981aa6b09e67ec57b7cb92421513415292e97f Mon Sep 17 00:00:00 2001
From: pixel <pixel>
Date: Tue, 17 Dec 2002 00:09:50 +0000
Subject: Commit of the day...

---
 lib/glfont.cc | 82 ++++++++++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 59 insertions(+), 23 deletions(-)

(limited to 'lib/glfont.cc')

diff --git a/lib/glfont.cc b/lib/glfont.cc
index e58feaf..d935d95 100644
--- a/lib/glfont.cc
+++ b/lib/glfont.cc
@@ -4,6 +4,8 @@
 
 Uint8 prescale2[4] = { 0, 85, 170, 255 }, prescale3[8] = { 0, 36, 72, 109, 145, 182, 218, 255 };
 
+#define DEBUG 1
+
 /*
 
 font file format
@@ -42,7 +44,7 @@ off|siz|description
  1 | Z | Datas
 
 Z = maxX * maxY
-
+Datas are stored in order X first, then Y.
 
 Char map:
 ========
@@ -54,8 +56,8 @@ off|siz|description
  0 | 2 | Unicode (?)
  2 | 2 | Corresponding char entry
 
-I'm not sure about Unicode. I write this only to say it's an attempt to
-make the fonts "internationals". If the "unicode" is < 255, then it should
+I'm not sure about my word 'Unicode'. I write this only to say it's an attempt
+to make the fonts "internationals". If the "unicode" is < 255, then it should
 match only one byte in the string. Otherwise, it should match two bytes.
 
 
@@ -69,17 +71,16 @@ nbT  = number of textures
 
 */
 
-mogltk::font::font(const String & file) {
-    Input ffont(file);
+mogltk::font::font(Handle * ffont) {
     int i;
     
-    ffont.SetZ();
-    
-    ffont.read(&nbentries, 2);
-    ffont.read(&flags, 1);
-    ffont.read(&maxX, 1);
-    ffont.read(&maxY, 1);
+    ffont->SetZ();
     
+    ffont->read(&nbentries, 2);
+    ffont->read(&flags, 1);
+    ffont->read(&maxX, 1);
+    ffont->read(&maxY, 1);
+
     nbcU = 256 / maxX;
     nbcV = 256 / maxY;
     
@@ -91,6 +92,11 @@ mogltk::font::font(const String & file) {
 	nbT++;
     }
     
+#ifdef DEBUG
+    printm(M_INFO, "Creating font texture: %i entries, flags = 0x%02x, maxX = %i, maxY = %i\n", nbentries, flags, maxX, maxY);
+    printm(M_INFO, "Which makes %i texture(s), with %i char by texture, %i on X, and %i on Y\n", nbT, nbcT, nbcU, nbcV);
+#endif
+    
     fonttex = (texture **) malloc(nbT * sizeof(texture *));
     
     for (i = 0; i < nbT; i++) {
@@ -100,13 +106,13 @@ mogltk::font::font(const String & file) {
     sizes = (Uint8 *) malloc(nbentries * sizeof(Uint8));
 
     Uint8 * curtex = (Uint8 *) fonttex[0]->GetSurface()->pixels;
-    Uint8 curU = 0, curV = 0, curT = 0;
+    Uint32 curU = 0, curV = 0, curT = 0;
     for (int i = 0; i < nbentries; i++) {
-	ffont.read(&sizes[i], 1);
+	ffont->read(&sizes[i], 1);
 	for (int v = 0; v < maxY; v++) {
 	    for (int u = 0; u < maxX; u++) {
 		Uint8 f;
-		ffont.read(&f, 1);
+		ffont->read(&f, 1);
 		if (flags & 1) {
 		    Uint8 r, g, b, a;
 		    r = f & 3;
@@ -129,18 +135,15 @@ mogltk::font::font(const String & file) {
 	    curU = 0;
 	    if ((curV += maxY) >= 256) {
 		curV = 0;
-		curtex = (Uint8 *) fonttex[++curT]->GetSurface()->pixels;
+		if ((curT + 1) != nbT)
+		    curtex = (Uint8 *) fonttex[++curT]->GetSurface()->pixels;
 	    }
 	}
     }
-    
-    for (int i = 0; i < nbT; i++) {
-	fonttex[i]->Generate();
-    }
-    
+
     corresp = (Uint16 *) malloc(nbentries * 2 * sizeof(Uint16));
     
-    ffont.read(corresp, 2 * sizeof(Uint16) * nbentries);
+    ffont->read(corresp, 2 * sizeof(Uint16) * nbentries);
 }
 
 mogltk::font::~font() {
@@ -153,8 +156,9 @@ mogltk::font::~font() {
     free(sizes);
 }
 
-void mogltk::font::drawentry(Uint16 entry, Color c, int x, int y) {
+void mogltk::font::drawentry(Uint16 entry, int x, int y, Color c) {
     bool was2D;
+    int trueentry, cx, cy, px, py;
     
     was2D = mogltk::glbase::is2D();
     
@@ -162,9 +166,41 @@ void mogltk::font::drawentry(Uint16 entry, Color c, int x, int y) {
 	mogltk::glbase::Enter2DMode();
     }
     
-    
+    Bind(entry / nbcT);
+    c.Bind();
+    trueentry = entry % nbcT;
+    cx = trueentry % nbcU;
+    cy = trueentry / nbcU;
+    px = cx * maxX;
+    py = cy * maxY;
+    
+    glBegin(GL_TRIANGLE_STRIP);
+    glTexCoord2i(px           , py           ); glVertex2i(x           , y           );
+    glTexCoord2i(px + maxX - 1, py           ); glVertex2i(x + maxX - 1, y           );
+    glTexCoord2i(px           , py + maxY - 1); glVertex2i(x           , y + maxY - 1);
+    glTexCoord2i(px + maxX - 1, py + maxY - 1); glVertex2i(x + maxX - 1, y + maxY - 1);
+    glEnd();
     
     if (!was2D) {
 	mogltk::glbase::Leave2DMode();
     }
 }
+
+void mogltk::font::Bind(int index) {
+    fonttex[index]->Bind();
+}
+
+void mogltk::font::putcursor(int x, int y) {
+    cx = ox = x;
+    cy = y;
+}
+
+void mogltk::font::putentry(Uint16 entry, Color c) {
+    drawentry(entry, cx, cy, c);
+    cx += sizes[entry];
+}
+
+void mogltk::font::newline(void) {
+    cx = ox;
+    cy += maxY;
+}
-- 
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