X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=draw.c;h=da0c4d2ca69bfe74190812cc39164c856523449d;hb=ac9d48038a86a672579abbcbbc53b17e2515ba13;hp=380751678f4cb1f0bce000264545d9a0d3016a6f;hpb=6dd281ab844f7b6eb459bd67132bfbf1bee60c97;p=xboard.git diff --git a/draw.c b/draw.c index 3807516..da0c4d2 100644 --- a/draw.c +++ b/draw.c @@ -55,6 +55,8 @@ #include #include #include +#include +#include #if STDC_HEADERS # include @@ -261,9 +263,35 @@ ScaleOnePiece (char *name, int color, int piece) { float w, h; char buf[MSG_SIZ]; + RsvgHandle *svg=NULL; + RsvgDimensionData svg_dimensions; + GError **svgerror=NULL; cairo_surface_t *img, *cs; cairo_t *cr; + g_type_init (); + + if(*appData.svgDirectory) { // try to freshly render svg pieces first, always from file, to supply the source bitmap + snprintf(buf, MSG_SIZ, "%s/%s%s.svg", appData.svgDirectory, color ? "Black" : "White", pngPieceNames[piece]); + + if(svg = rsvg_handle_new_from_file(buf,svgerror)) { + + rsvg_handle_get_dimensions(svg, &svg_dimensions); + img = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, squareSize, squareSize); + + cr = cairo_create(img); + cairo_scale(cr, squareSize/(double) svg_dimensions.width, squareSize/(double) svg_dimensions.height); + rsvg_handle_render_cairo(svg, cr); + if(cairo_surface_status(img) == CAIRO_STATUS_SUCCESS) { + if(pngPieceImages[color][piece]) cairo_surface_destroy(pngPieceImages[color][piece]); + pngPieceImages[color][piece] = img; + } + cairo_destroy(cr); + + rsvg_handle_close (svg,NULL); + } + } + if((img = pngPieceImages[color][piece]) == NULL) { // if PNG file for this piece was not yet read, read it now and store it if(!*appData.pngDirectory) img = ConvertPixmap(color, piece); else { snprintf(buf, MSG_SIZ, "%s/%s%s.png", appData.pngDirectory, color ? "Black" : "White", pngPieceNames[piece]); @@ -272,10 +300,13 @@ ScaleOnePiece (char *name, int color, int piece) } } pngPieceImages[color][piece] = img; + + // 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); w = cairo_image_surface_get_width (img); @@ -284,6 +315,7 @@ ScaleOnePiece (char *name, int color, int piece) cairo_set_source_surface (cr, img, 0, 0); cairo_paint (cr); cairo_destroy (cr); + { // operate on bitmap to color it (king-size hack...) int stride = cairo_image_surface_get_stride(cs)/4; int *buf = (int *) cairo_image_surface_get_data(cs);