+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", "King",
+ "GoldKnight", "GoldLance", "GoldPawn", "GoldSilver", NULL
+};
+
+void
+ScaleOnePiece (char *name, int color, int piece)
+{
+ int w, h;
+ char buf[MSG_SIZ];
+ cairo_surface_t *img, *cs;
+ cairo_t *cr;
+ static cairo_surface_t *pngPieceImages[2][(int)BlackPawn+4]; // png 256 x 256 images
+
+ if(pngPieceImages[color][piece] == NULL) { // if PNG file for this piece was not yet read, read it now and store it
+ snprintf(buf, MSG_SIZ, "%s/%s%s.png", appData.pngDirectory, color ? "Black" : "White", pngPieceNames[piece]);
+ pngPieceImages[color][piece] = img = cairo_image_surface_create_from_png (buf);
+ w = cairo_image_surface_get_width (img);
+ h = cairo_image_surface_get_height (img);
+ if(w != 256 || h != 256) { printf("Bad png size %dx%d in %s\n", w, h, buf); exit(1); }
+ }
+
+ // create new bitmap to hold scaled piece image (and remove any old)
+ if(pngPieceBitmaps2[color][piece]) cairo_surface_destroy (pngPieceBitmaps2[color][piece]);
+ pngPieceBitmaps2[color][piece] = cs = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, squareSize, squareSize);
+ if(piece <= WhiteKing) pngPieceBitmaps[color][piece] = cs;
+ // scaled copying of the raw png image
+ cr = cairo_create(cs);
+ cairo_scale(cr, squareSize/256., squareSize/256.);
+ cairo_set_source_surface (cr, img, 0, 0);
+ cairo_paint (cr);
+ cairo_destroy (cr);
+ cairo_surface_destroy (img);
+}
+
+void
+CreatePNGPieces ()
+{
+ int p;
+
+ for(p=0; pngPieceNames[p]; p++) {
+ ScaleOnePiece(pngPieceNames[p], 0, p);
+ ScaleOnePiece(pngPieceNames[p], 1, p);
+ }
+}
+