Render inscriptions upside-down for black pieces (XB)

[xboard.git] / draw.c

diff --git a/draw.c b/draw.c
index c45723c..a3edf78 100644 (file)
--- a/draw.c
+++ b/draw.c
@@ -5,7 +5,7 @@
  * Massachusetts.
  *
  * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
- * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Free Software Foundation, Inc.
+ * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Free Software Foundation, Inc.
  *
  * The following terms apply to Digital Equipment Corporation's copyright
  * interest in XBoard:
@@ -162,10 +162,14 @@ SelectPieces(VariantClass v)
           pngPieceBitmaps[i][(int)WhiteNightrider] = pngPieceBitmaps2[i][(int)WhiteLion];
        }
        if(v == VariantChu) {
-          pngPieceBitmaps[i][(int)WhiteNightrider] = pngPieceBitmaps2[i][(int)WhiteKing+1];
-          pngPieceBitmaps[i][(int)WhiteUnicorn] = pngPieceBitmaps2[i][(int)WhiteCat];
-          pngPieceBitmaps[i][(int)WhiteSilver]  = pngPieceBitmaps2[i][(int)WhiteSword];
-          pngPieceBitmaps[i][(int)WhiteFalcon]  = pngPieceBitmaps2[i][(int)WhiteDagger];
+          pngPieceBitmaps[i][(int)WhiteNightrider] = pngPieceBitmaps2[i][(int)WhiteClaw];
+          pngPieceBitmaps[i][(int)WhiteClaw]    = pngPieceBitmaps2[i][(int)WhiteNightrider];
+          pngPieceBitmaps[i][(int)WhiteUnicorn] = pngPieceBitmaps2[i][(int)WhiteHorned];
+          pngPieceBitmaps[i][(int)WhiteSilver]  = pngPieceBitmaps2[i][(int)WhiteStag];
+          pngPieceBitmaps[i][(int)WhiteFalcon]  = pngPieceBitmaps2[i][(int)WhiteEagle];
+          pngPieceBitmaps[i][(int)WhiteHorned]  = pngPieceBitmaps2[i][(int)WhiteUnicorn];
+          pngPieceBitmaps[i][(int)WhiteStag]    = pngPieceBitmaps2[i][(int)WhiteSilver];
+          pngPieceBitmaps[i][(int)WhiteEagle]   = pngPieceBitmaps2[i][(int)WhiteFalcon];
        }
     }
 }
@@ -241,6 +245,7 @@ CreatePNGBoard (char *s, int kind)
     float w, h;
     static float n[2] = { 1., 1. };
     if(!appData.useBitmaps || s == NULL || *s == 0 || *s == '*') { useTexture &= ~(kind+1); return; }
+    textureW[kind] = 0; // prevents bitmap from being used if not succesfully loaded
     if(strstr(s, ".png")) {
        cairo_surface_t *img = cairo_image_surface_create_from_png (s);
        if(img) {
@@ -281,13 +286,14 @@ CreatePNGBoard (char *s, int kind)
 
 char *pngPieceNames[] = // must be in same order as internal piece encoding
 { "Pawn", "Knight", "Bishop", "Rook", "Queen", "Advisor", "Elephant", "Archbishop", "Marshall", "Gold", "Commoner",
-  "Canon", "Nightrider", "CrownedBishop", "CrownedRook", "Princess", "Chancellor", "Hawk", "Lance", "Cobra", "Unicorn", "Lion",
-  "GoldPawn", "HSword", "PromoHorse", "PromoDragon", "Leopard", "PromoSword", "Prince", "Phoenix", "Kylin", "PromoRook", "PromoHSword",
-  "Dolphin", "Chancellor", "Unicorn", "Hawk", "Sword", "Princess", "HCrown", "Knight", "Elephant", "PromoBishop", "King",
+  "Canon", "Nightrider", "CrownedBishop", "CrownedRook", "Crown", "Chancellor", "Hawk", "Lance", "Cobra", "Unicorn", "Lion",
+  "GoldPawn", "Claw", "PromoHorse", "PromoDragon", "GoldLance", "PromoSword", "Prince", "Phoenix", "Kylin", "PromoRook", "PromoHSword",
+  "Dolphin", "Sword", "Leopard", "HSword", "GoldSilver", "Princess", "HCrown", "Knight", "Elephant", "PromoBishop", "King",
   "Claw", "GoldKnight", "GoldLance", "GoldSilver", NULL
 };
 
-char *backupPiece[] = { "King", "Queen", "Lion" }; // pieces that map on other when not kanji
+char *backupPiece[] = { "Princess", NULL, NULL, NULL, NULL, NULL, NULL,
+                       NULL, NULL, NULL, NULL, NULL, NULL, "King", "Queen", "Lion" }; // pieces that map on other when not kanji
 
 RsvgHandle *
 LoadSVG (char *dir, int color, int piece, int retry)
@@ -298,9 +304,11 @@ LoadSVG (char *dir, int color, int piece, int retry)
   GError *svgerror=NULL;
   cairo_surface_t *img;
   cairo_t *cr;
+  char *name = (retry ? backupPiece[piece - WhiteGrasshopper] : pngPieceNames[piece]);
 
-    snprintf(buf, MSG_SIZ, "%s/%s%s.svg", dir, color ? "Black" : "White",
-             retry ? backupPiece[piece - WhiteMonarch] : pngPieceNames[piece]);
+    if(!name) return NULL;
+
+    snprintf(buf, MSG_SIZ, "%s/%s%s.svg", dir, color ? "Black" : "White", name);
 
     if(svg || *dir && (svg = rsvg_handle_new_from_file(buf, &svgerror))) {
 
@@ -318,7 +326,7 @@ LoadSVG (char *dir, int color, int piece, int retry)
 
       return svg;
     }
-    if(!retry && piece >= WhiteMonarch && piece <= WhiteNothing) // pieces that are only different in kanji sets
+    if(!retry && piece >= WhiteGrasshopper && piece <= WhiteNothing) // pieces that are only different in kanji sets
         return LoadSVG(dir, color, piece, 1);
     if(svgerror)
        g_error_free(svgerror);
@@ -734,6 +742,7 @@ DrawText (char *string, int x, int y, int align)
 {
        int xx = x, yy = y;
        cairo_text_extents_t te;
+       cairo_matrix_t m;
        cairo_t *cr;
 
        cr = cairo_create (csBoardWindow);
@@ -744,6 +753,7 @@ DrawText (char *string, int x, int y, int align)
        cairo_set_font_size (cr, align < 0 ? 2*squareSize/3 : squareSize/4);
        // calculate where it goes
        cairo_text_extents (cr, string, &te);
+       cairo_get_font_matrix(cr, &m);
 
        if (align == 1) {
            xx += squareSize - te.width - te.x_bearing - 1;
@@ -756,7 +766,11 @@ DrawText (char *string, int x, int y, int align)
        } else if (align == 4) {
            xx += te.x_bearing + 1, yy += -te.y_bearing + 3;
        } else if (align < 0) {
-           xx += squareSize/2 - te.width/2, yy += 9*squareSize/16 - te.y_bearing/2;
+           int s = 1;
+           if(align < -2) align += 2, s = -1;
+           xx += squareSize/2 - s*te.width/2 - s + 1, yy += (8+s)*squareSize/16 - s*te.y_bearing/2;
+           m.xx = -m.xx, m.yy = -m.yy;
+           if(s < 0) cairo_set_font_matrix(cr, &m);
        }
 
        cairo_move_to (cr, xx-1, yy);
@@ -771,9 +785,9 @@ void
 InscribeKanji (ChessSquare piece, int x, int y)
 {
     char *p, *q, buf[10];
-    int n;
+    int n, black = 2*(appData.upsideDown && flipView);
     if(piece == EmptySquare) return;
-    if(piece >= BlackPawn) piece = BLACK_TO_WHITE piece;
+    if(piece >= BlackPawn) piece = BLACK_TO_WHITE piece, black = 2 - black;
     p = appData.inscriptions;
     n = piece;
     while(piece > WhitePawn) {
@@ -789,7 +803,7 @@ InscribeKanji (ChessSquare piece, int x, int y)
     strncpy(buf, p, 10);
     for(q=buf; (*++q & 0xC0) == 0x80;);
     *q = NULLCHAR;
-    DrawText(buf, x, y, n > WhiteLion ? -2 : -1);
+    DrawText(buf, x, y, (n > WhiteLion ? -2 : -1) - black);
 }
 
 void