scaletext patch from Stefan Kuhne

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@1170 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

Author: michael

Diff for: drv_dpf.c

@@ -146,11 +146,23 @@ static int drv_dpf_start2(const char *section)
     }
 
     /* Fixme: provider other fonts someday... */
-    if (XRES != 6 && YRES != 8) {
+    /* Overridden - we have scaled the textout drawing */
+/*  if (XRES != 6 && YRES != 8) {
 	error("%s: bad Font '%s' from %s (only 6x8 at the moment)", Name, s, cfg_source());
 	return -1;
+    } */
+
+    /* we dont want fonts below 6 width */
+    if (XRES < 6) {
+	error("%s: bad Font '%s' width '%d' using minimum of 6)", Name, s, XRES);
+	XRES = 6;
     }
 
+    /* we dont want fonts below 8 height */
+    if (YRES < 8) {
+	error("%s: bad Font '%s' height '%d' using minimum of 8)", Name, s, YRES);
+	YRES = 8;
+    }
 
     /* open communication with the display */
     if (drv_dpf_open(section) < 0) {

Diff for: drv_generic_graphic.c

@@ -267,10 +267,10 @@ static void drv_generic_graphic_render(const int layer, const int row, const int
 	}
 
 	for (y = 0; y < YRES; y++) {
-	    int mask = 1 << XRES;
 	    for (x = 0; x < XRES; x++) {
-		mask >>= 1;
-		if (chr[y] & mask)
+		int mask = 1 << 6;
+		mask >>= ((x * 6) / (XRES)) + 1;
+		if (chr[(y * 8) / (YRES)] & mask)
 		    drv_generic_graphic_FB[layer][(r + y) * LCOLS + c + x] = fg;
 		else
 		    drv_generic_graphic_FB[layer][(r + y) * LCOLS + c + x] = bg;