X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=draw.c;h=ab9b693cf4feb6e38288c02122a2708e30c19740;hb=15eab3074ed1dc476c19b48da66e82dea27399b5;hp=20553e258bd8ba3521ac0ae6b16a8066a4919f7f;hpb=8c8feabe34a974805b243ca3c9268e3ec296d6cb;p=xboard.git

diff --git a/draw.c b/draw.c
index 20553e2..ab9b693 100644
--- a/draw.c
+++ b/draw.c
@@ -55,6 +55,8 @@
 #include <math.h>
 #include <cairo/cairo.h>
 #include <cairo/cairo-xlib.h>
+#include <librsvg/rsvg.h>
+#include <librsvg/rsvg-cairo.h>
 
 #if STDC_HEADERS
 # include <stdlib.h>
@@ -110,7 +112,9 @@ extern char *getenv();
 #define SOLID 0
 #define OUTLINE 1
 Boolean cairoAnimate;
-static cairo_surface_t *csBoardWindow, *csBoardBackup, *csDualBoard;
+Option *currBoard;
+cairo_surface_t *csBoardWindow;
+static cairo_surface_t *pngPieceImages[2][(int)BlackPawn+4];   // png 256 x 256 images
 static cairo_surface_t *pngPieceBitmaps[2][(int)BlackPawn];    // scaled pieces as used
 static cairo_surface_t *pngPieceBitmaps2[2][(int)BlackPawn+4]; // scaled pieces in store
 static cairo_surface_t *pngBoardBitmap[2];
@@ -130,24 +134,9 @@ static int dual = 0;
 void
 SwitchWindow ()
 {
-    cairo_surface_t *cstmp = csBoardWindow;
-    csBoardWindow = csDualBoard;
     dual = !dual;
-    if(!csDualBoard) {
-	csBoardWindow = GetOutputSurface(&dualOptions[3], 0, 0);
-	dual = 1;
-    }
-    csDualBoard = cstmp;
-}
-
-void
-NewSurfaces ()
-{
-    // delete surfaces after size becomes invalid, so they will be recreated
-    if(csBoardWindow) cairo_surface_destroy(csBoardWindow);
-    if(csBoardBackup) cairo_surface_destroy(csBoardBackup);
-    if(csDualBoard) cairo_surface_destroy(csDualBoard);
-    csBoardWindow = csBoardBackup = csDualBoard = NULL;
+    currBoard = (dual ? &mainOptions[W_BOARD] : &dualOptions[3]);
+    csBoardWindow = DRAWABLE(currBoard);
 }
 
 #define BoardSize int
@@ -174,7 +163,6 @@ InitDrawingSizes (BoardSize boardSize, int flags)
 
     oldWidth = boardWidth; oldHeight = boardHeight;
     CreateGrid();
-    NewSurfaces();
 
     /*
      * Inhibit shell resizing.
@@ -275,9 +263,34 @@ 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;
-  static cairo_surface_t *pngPieceImages[2][(int)BlackPawn+4];   // png 256 x 256 images
+
+  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 {
@@ -287,10 +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);
@@ -299,7 +315,8 @@ 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...)
+
+  if(!appData.trueColors || !*appData.pngDirectory && !appData.svgDirectory) { // 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);
     int i, j, p;
@@ -339,9 +356,15 @@ CreateAnyPieces ()
 }
 
 void
-InitDrawingParams ()
+InitDrawingParams (int reloadPieces)
 {
+    int i, p;
     MakeColors();
+    if(reloadPieces)
+    for(i=0; i<2; i++) for(p=0; p<BlackPawn+4; p++) {
+	if(pngPieceImages[i][p]) cairo_surface_destroy(pngPieceImages[i][p]);
+	pngPieceImages[i][p] = NULL;
+    }
     CreateAnyPieces();
 }
 
@@ -381,6 +404,7 @@ void DrawSeekAxis( int x, int y, int xTo, int yTo )
 
     /* free memory */
     cairo_destroy (cr);
+    GraphExpose(currBoard, x-1, yTo-1, xTo-x+2, y-yTo+2);
 }
 
 void DrawSeekBackground( int left, int top, int right, int bottom )
@@ -394,6 +418,7 @@ void DrawSeekBackground( int left, int top, int right, int bottom )
 
     /* free memory */
     cairo_destroy (cr);
+    GraphExpose(currBoard, left, top, right-left, bottom-top);
 }
 
 void DrawSeekText(char *buf, int x, int y)
@@ -412,6 +437,7 @@ void DrawSeekText(char *buf, int x, int y)
 
     /* free memory */
     cairo_destroy (cr);
+    GraphExpose(currBoard, x-5, y-10, 60, 15);
 }
 
 void DrawSeekDot(int x, int y, int colorNr)
@@ -436,22 +462,13 @@ void DrawSeekDot(int x, int y, int colorNr)
 
     /* free memory */
     cairo_destroy (cr);
+    GraphExpose(currBoard, x-squareSize/8, y-squareSize/8, 2*(squareSize/8), 2*(squareSize/8));
 }
 
 void
-DrawSeekOpen ()
-{
-    int boardWidth = lineGap + BOARD_WIDTH * (squareSize + lineGap);
-    int boardHeight = lineGap + BOARD_HEIGHT * (squareSize + lineGap);
-    if(!csBoardWindow) {
-	csBoardWindow = GetOutputSurface(&mainOptions[W_BOARD], 0, 0);
-	csBoardBackup = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, boardWidth, boardHeight);
-    }
-}
-
-void
-DrawSeekClose ()
+InitDrawingHandle (Option *opt)
 {
+    csBoardWindow = DRAWABLE(opt);
 }
 
 void
@@ -481,15 +498,14 @@ CreateGrid ()
 }
 
 void
-DoDrawGrid(cairo_surface_t *cs)
+DrawGrid()
 {
   /* draws a grid starting around Nx, Ny squares starting at x,y */
   int i;
   cairo_t *cr;
 
-  DrawSeekOpen();
   /* get a cairo_t */
-  cr = cairo_create (cs);
+  cr = cairo_create (csBoardWindow);
 
   cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
   SetPen(cr, lineGap, "#000000", 0);
@@ -509,17 +525,9 @@ DoDrawGrid(cairo_surface_t *cs)
 }
 
 void
-DrawGrid()
-{
-  DoDrawGrid(csBoardWindow);
-  if(!dual) DoDrawGrid(csBoardBackup);
-}
-
-void
-DoDrawBorder (cairo_surface_t *cs, int x, int y, int type)
+DrawBorder (int x, int y, int type)
 {
     cairo_t *cr;
-    DrawSeekOpen();
     char *col;
 
     switch(type) {
@@ -527,18 +535,13 @@ DoDrawBorder (cairo_surface_t *cs, int x, int y, int type)
 	case 1: col = appData.highlightSquareColor; break;
 	case 2: col = appData.premoveHighlightColor; break;
     }
-    cr = cairo_create(cs);
+    cr = cairo_create(csBoardWindow);
     cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
     cairo_rectangle(cr, x, y, squareSize+lineGap, squareSize+lineGap);
     SetPen(cr, lineGap, col, 0);
     cairo_stroke(cr);
-}
-
-void
-DrawBorder (int x, int y, int type)
-{
-  DoDrawBorder(csBoardWindow, x, y, type);
-  if(!dual) DoDrawBorder(csBoardBackup, x, y, type);
+    cairo_destroy(cr);
+    GraphExpose(currBoard, x - lineGap/2, y - lineGap/2, squareSize+2*lineGap, squareSize+2*lineGap);
 }
 
 static int
@@ -560,24 +563,23 @@ CutOutSquare (int x, int y, int *x0, int *y0, int  kind)
 }
 
 void
-DrawLogo (void *handle, void *logo)
+DrawLogo (Option *opt, void *logo)
 {
-    cairo_surface_t *img, *cs;
+    cairo_surface_t *img;
     cairo_t *cr;
     int w, h;
 
-    if(!logo || !handle) return;
-    cs = GetOutputSurface(handle, appData.logoSize, appData.logoSize/2);
+    if(!logo || !opt) return;
     img = cairo_image_surface_create_from_png (logo);
     w = cairo_image_surface_get_width (img);
     h = cairo_image_surface_get_height (img);
-    cr = cairo_create(cs);
+    cr = cairo_create(DRAWABLE(opt));
     cairo_scale(cr, (float)appData.logoSize/w, appData.logoSize/(2.*h));
     cairo_set_source_surface (cr, img, 0, 0);
     cairo_paint (cr);
     cairo_destroy (cr);
     cairo_surface_destroy (img);
-    cairo_surface_destroy (cs);
+    GraphExpose(opt, 0, 0, appData.logoSize, appData.logoSize/2);
 }
 
 static void
@@ -650,27 +652,26 @@ DoDrawDot (cairo_surface_t *cs, int marker, int x, int y, int r)
 void
 DrawDot (int marker, int x, int y, int r)
 { // used for atomic captures; no need to draw on backup
-  DrawSeekOpen();
   DoDrawDot(csBoardWindow, marker, x, y, r);
 }
 
-static void
-DoDrawOneSquare (cairo_surface_t *dest, int x, int y, ChessSquare piece, int square_color, int marker, char *string, int align)
+void
+DrawOneSquare (int x, int y, ChessSquare piece, int square_color, int marker, char *string, int align)
 {   // basic front-end board-draw function: takes care of everything that can be in square:
     // piece, background, coordinate/count, marker dot
     cairo_t *cr;
 
     if (piece == EmptySquare) {
-	BlankSquare(dest, x, y, square_color, piece, 1);
+	BlankSquare(csBoardWindow, x, y, square_color, piece, 1);
     } else {
-	pngDrawPiece(dest, piece, square_color, x, y);
+	pngDrawPiece(csBoardWindow, piece, square_color, x, y);
     }
 
     if(align) { // square carries inscription (coord or piece count)
 	int xx = x, yy = y;
 	cairo_text_extents_t te;
 
-	cr = cairo_create (dest);
+	cr = cairo_create (csBoardWindow);
 	cairo_select_font_face (cr, "Sans",
 		    CAIRO_FONT_SLANT_NORMAL,
 		    CAIRO_FONT_WEIGHT_BOLD);
@@ -699,19 +700,10 @@ DoDrawOneSquare (cairo_surface_t *dest, int x, int y, ChessSquare piece, int squ
     }
 
     if(marker) { // print fat marker dot, if requested
-	DoDrawDot(dest, marker, x + squareSize/4, y+squareSize/4, squareSize/2);
+	DoDrawDot(csBoardWindow, marker, x + squareSize/4, y+squareSize/4, squareSize/2);
     }
 }
 
-void
-DrawOneSquare (int x, int y, ChessSquare piece, int square_color, int marker, char *string, int align)
-{
-  DrawSeekOpen();
-  DoDrawOneSquare (csBoardWindow, x, y, piece, square_color, marker, string, align);
-  if(!dual)
-  DoDrawOneSquare (csBoardBackup, x, y, piece, square_color, marker, string, align);
-}
-
 /****	Animation code by Hugh Fisher, DCS, ANU. ****/
 
 /*	Masks for XPM pieces. Black and white pieces can have
@@ -725,7 +717,6 @@ static cairo_surface_t *c_animBufs[3*NrOfAnims]; // newBuf, saveBuf
 static void
 InitAnimState (AnimNr anr)
 {
-    DrawSeekOpen(); // set cs to board widget
     if(c_animBufs[anr]) cairo_surface_destroy (c_animBufs[anr]);
     if(c_animBufs[anr+2]) cairo_surface_destroy (c_animBufs[anr+2]);
     c_animBufs[anr+4] = csBoardWindow;
@@ -766,22 +757,13 @@ DrawBlank (AnimNr anr, int x, int y, int startColor)
 void CopyRectangle (AnimNr anr, int srcBuf, int destBuf,
 		 int srcX, int srcY, int width, int height, int destX, int destY)
 {
-	cairo_t *cr;// = cairo_create (c_animBufs[anr+destBuf]);
-	cr = cairo_create (c_animBufs[anr+destBuf]);
-	if(c_animBufs[anr+srcBuf] == csBoardWindow)
-	cairo_set_source_surface (cr, csBoardBackup, destX - srcX, destY - srcY);
-	else
-	cairo_set_source_surface (cr, c_animBufs[anr+srcBuf], destX - srcX, destY - srcY);
-	cairo_rectangle (cr, destX, destY, width, height);
-	cairo_fill (cr);
-	cairo_destroy (cr);
-	if(c_animBufs[anr+destBuf] == csBoardWindow) {
-	cr = cairo_create (csBoardBackup); // also draw to backup
+	cairo_t *cr = cairo_create (c_animBufs[anr+destBuf]);
 	cairo_set_source_surface (cr, c_animBufs[anr+srcBuf], destX - srcX, destY - srcY);
 	cairo_rectangle (cr, destX, destY, width, height);
 	cairo_fill (cr);
 	cairo_destroy (cr);
-	}
+	if(c_animBufs[anr+destBuf] == csBoardWindow)
+	    GraphExpose(currBoard, destX, destY, squareSize, squareSize);
 }
 
 void
@@ -817,7 +799,7 @@ void
 DrawPolygon (Pnt arrow[], int nr)
 {
     DoDrawPolygon(csBoardWindow, arrow, nr);
-    if(!dual) DoDrawPolygon(csBoardBackup, arrow, nr);
+//    if(!dual) DoDrawPolygon(csBoardBackup, arrow, nr);
 }