* Slightly nicer code in driver_x11.c.

caca/driver_x11.c

@@ -549,6 +549,31 @@ static int x11_error_handler(Display *dpy, XErrorEvent *xevent)
 static void x11_put_glyph(caca_display_t *dp, int x, int y, int yoff,
                           int w, int h, uint32_t attr, uint32_t ch)
 {
+    static uint8_t const udlr[] =
+    {
+        /* 0x2500 - 0x250f: ─ . │ . . . . . . . . . ┌ . . . */
+        0x05, 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00,
+        /* 0x2510 - 0x251f: ┐ . . . └ . . . ┘ . . . ├ . . . */
+        0x14, 0x00, 0x00, 0x00, 0x41, 0x00, 0x00, 0x00,
+        0x44, 0x00, 0x00, 0x00, 0x54, 0x00, 0x00, 0x00,
+        /* 0x2520 - 0x252f: . . . . ┤ . . . . . . . ┬ . . . */
+        0x00, 0x00, 0x00, 0x00, 0x51, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00, 0x00,
+        /* 0x2530 - 0x253f: . . . . ┴ . . . . . . . ┼ . . . */
+        0x00, 0x00, 0x00, 0x00, 0x45, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x55, 0x00, 0x00, 0x00,
+        /* 0x2540 - 0x254f: . . . . . . . . . . . . . . . . */
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+        /* 0x2550 - 0x255f: ═ ║ ╒ ╓ ╔ ╕ ╖ ╗ ╘ ╙ ╚ ╛ ╜ ╝ ╞ ╟ */
+        0x0a, 0xa0, 0x12, 0x21, 0x22, 0x18, 0x24, 0x28,
+        0x42, 0x81, 0x82, 0x48, 0x84, 0x88, 0x52, 0xa1,
+        /* 0x2560 - 0x256c: ╠ ╡ ╢ ╣ ╤ ╥ ╦ ╧ ╨ ╩ ╪ ╫ ╬ */
+        0xa2, 0x58, 0xa4, 0xa8, 0x1a, 0x25, 0x2a, 0x4a,
+        0x85, 0x8a, 0x5a, 0xa5, 0xaa,
+    };
+
     Display *dpy = dp->drv.p->dpy;
     Pixmap px = dp->drv.p->pixmap;
     GC gc = dp->drv.p->gc;
@@ -574,38 +599,10 @@ static void x11_put_glyph(caca_display_t *dp, int x, int y, int yoff,
      * such as the CP437 gradients and half blocks. For unknown
      * characters, print what cucul_utf32_to_ascii() returns. */
 
-    if(ch >= 0x2500 && ch <= 0x256c)
+    if(ch >= 0x2500 && ch <= 0x256c && udlr[ch - 0x2500])
     {
-        static uint8_t const udlr[] =
-        {
-            /* 0x2500 - 0x250f: ─ . │ . . . . . . . . . ┌ . . . */
-            0x05, 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00,
-            0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00,
-            /* 0x2510 - 0x251f: ┐ . . . └ . . . ┘ . . . ├ . . . */
-            0x14, 0x00, 0x00, 0x00, 0x41, 0x00, 0x00, 0x00,
-            0x44, 0x00, 0x00, 0x00, 0x54, 0x00, 0x00, 0x00,
-            /* 0x2520 - 0x252f: . . . . ┤ . . . . . . . ┬ . . . */
-            0x00, 0x00, 0x00, 0x00, 0x51, 0x00, 0x00, 0x00,
-            0x00, 0x00, 0x00, 0x00, 0x15, 0x00, 0x00, 0x00,
-            /* 0x2530 - 0x253f: . . . . ┴ . . . . . . . ┼ . . . */
-            0x00, 0x00, 0x00, 0x00, 0x45, 0x00, 0x00, 0x00,
-            0x00, 0x00, 0x00, 0x00, 0x55, 0x00, 0x00, 0x00,
-            /* 0x2540 - 0x254f: . . . . . . . . . . . . . . . . */
-            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-            0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-            /* 0x2550 - 0x255f: ═ ║ ╒ ╓ ╔ ╕ ╖ ╗ ╘ ╙ ╚ ╛ ╜ ╝ ╞ ╟ */
-            0x0a, 0xa0, 0x12, 0x21, 0x22, 0x18, 0x24, 0x28,
-            0x42, 0x81, 0x82, 0x48, 0x84, 0x88, 0x52, 0xa1,
-            /* 0x2560 - 0x256c: ╠ ╡ ╢ ╣ ╤ ╥ ╦ ╧ ╨ ╩ ╪ ╫ ╬ */
-            0xa2, 0x58, 0xa4, 0xa8, 0x1a, 0x25, 0x2a, 0x4a,
-            0x85, 0x8a, 0x5a, 0xa5, 0xaa,
-        };
-
         uint16_t D = udlr[ch - 0x2500];
 
-        if(!D)
-            goto next_try;
-
         if(D & 0x04)
             XFillRectangle(dpy, px, gc, x, y + h / 2, fw / 2 + 1, 1);
 
@@ -657,7 +654,6 @@ static void x11_put_glyph(caca_display_t *dp, int x, int y, int yoff,
 
         return;
     }
-next_try:
 
     switch(ch)
     {