Grmbl

1 files changed, 109 insertions, 1 deletions

diff --git a/mogltk/glfont.cpp b/mogltk/glfont.cpp
index e98a64d..82058c8 100644
--- a/mogltk/glfont.cpp
+++ b/mogltk/glfont.cpp
@@ -1,2 +1,110 @@
-#include <GL/gl.h>
+#include "glbase.h"
 #include "glfont.h"
+#include "Input.h"
+
+Uint8 prescale2[4] = { 0, 85, 170, 255 }, prescale3[8] = { 0, 36, 72, 109, 145, 182, 218, 255 };
+
+mogltk::font::font(const String & file) {
+    Input ffont(file);
+    int i;
+    
+#ifdef HAVE_ZLIB
+    ffont.SetZ();
+#endif
+    
+    ffont.read(&nbentries, 2);
+    ffont.read(&flags, 1);
+    ffont.read(&maxX, 1);
+    ffont.read(&maxY, 1);
+    
+    nbcU = 256 / maxX;
+    nbcV = 256 / maxY;
+    
+    nbcT = nbcU * nbcV;
+    
+    nbT = nbentries / nbcT;
+    
+    if (nbentries % nbcT) {
+	nbT++;
+    }
+    
+    fonttex = (texture **) malloc(nbT * sizeof(texture *));
+    
+    for (i = 0; i < nbT; i++) {
+	fonttex[i] = new texture(256, 256, true);
+    }
+    
+    sizes = (Uint8 *) malloc(nbentries * sizeof(Uint8));
+
+    Uint8 * curtex = (Uint8 *) fonttex[0]->GetSurface()->pixels;
+    Uint8 curU = 0, curV = 0, curT = 0;
+    for (int i = 0; i < nbentries; i++) {
+	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);
+		if (flags) {
+		    Uint8 r, g, b, a;
+		    r = f & 3;
+		    g = (f >> 2) & 7;
+		    b = (f >> 5) & 3;
+		    a = (f >> 7) & 1;
+		    curtex[(curU + u + (curV + v) * 256) * 4 + 0] = prescale2[r];
+		    curtex[(curU + u + (curV + v) * 256) * 4 + 1] = prescale3[g];
+		    curtex[(curU + u + (curV + v) * 256) * 4 + 2] = prescale2[b];
+		    curtex[(curU + u + (curV + v) * 256) * 4 + 3] = a ? 255 : 0;
+		} else {
+		    curtex[(curU + u + (curV + v) * 256) * 4 + 0] = 255;
+		    curtex[(curU + u + (curV + v) * 256) * 4 + 1] = 255;
+		    curtex[(curU + u + (curV + v) * 256) * 4 + 2] = 255;
+		    curtex[(curU + u + (curV + v) * 256) * 4 + 3] = f;
+		}
+	    }
+	}
+	curU += maxX;
+	if (curU >= 256) {
+	    curU = 0;
+	    curV += maxY;
+	    if (curV >= 256) {
+		curV = 0;
+		curT++;
+		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);
+}
+
+mogltk::font::~font() {
+    int i;
+    for (i = 0; i < nbT; i++) {
+	delete fonttex[i];
+    }
+    
+    free((void *) fonttex);
+    free(sizes);
+}
+
+void mogltk::font::drawentry(Uint16 entry, Color c, int x, int y) {
+    bool was2D;
+    
+    was2D = mogltk::glbase::is2D();
+    
+    if (!was2D) {
+	mogltk::glbase::Enter2DMode();
+    }
+    
+    
+    
+    if (!was2D) {
+	mogltk::glbase::Leave2DMode();
+    }
+}