From 39d79ffb3def5d8ac66c02dd97245a13d89ba8eb Mon Sep 17 00:00:00 2001 From: H.G. Muller Date: Thu, 4 Oct 2012 22:15:05 +0200 Subject: [PATCH] Do animation with cairo Unfortunately this is incredibly slow. --- xboard.c | 75 +++++++++++++++++++++++++++++++++++++++++++------------------- 1 files changed, 52 insertions(+), 23 deletions(-) diff --git a/xboard.c b/xboard.c index 9f2b5f0..3041c88 100644 --- a/xboard.c +++ b/xboard.c @@ -340,9 +340,11 @@ WindowPlacement wpTags; #define SOLID 0 #define OUTLINE 1 -cairo_surface_t *pngPieceBitmaps[2][(int)BlackPawn]; // scaled pieces as used -cairo_surface_t *pngPieceBitmaps2[2][(int)BlackPawn+4]; // scaled pieces in store -cairo_surface_t *pngBoardBitmap[2]; +Boolean cairoAnimate = True; +static cairo_surface_t *csBoardWindow; +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]; Pixmap pieceBitmap[2][(int)BlackPawn]; Pixmap pieceBitmap2[2][(int)BlackPawn+4]; /* [HGM] pieces */ Pixmap xpmPieceBitmap[4][(int)BlackPawn]; /* LL, LD, DL, DD actually used*/ @@ -2494,21 +2496,17 @@ do_flash_delay (unsigned long msec) TimeDelay(msec); } -static cairo_surface_t *cs; // to keep out of back-end :-( - void DrawBorder (int x, int y, int type) { cairo_t *cr; DrawSeekOpen(); - 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, type == 1 ? appData.highlightSquareColor : appData.premoveHighlightColor, 0); cairo_stroke(cr); - - DrawSeekClose(); } static int @@ -2557,15 +2555,14 @@ BlankSquare (int x, int y, int color, ChessSquare piece, Drawable dest, int fac) if (useImages && color != 2 && (useTexture & color+1) && CutOutSquare(x, y, &x0, &y0, color)) { if(pngBoardBitmap[color]) { cairo_t *cr; - if(!fac) return; // for now do not use on animate buffer, but ignore dest and draw always to board + if(!fac && !cairoAnimate) return; DrawSeekOpen(); - cr = cairo_create (cs); + cr = cairo_create (fac ? csBoardWindow : (cairo_surface_t *) dest); cairo_set_source_surface (cr, pngBoardBitmap[color], x*fac - x0, y*fac - y0); cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE); cairo_rectangle (cr, x*fac, y*fac, squareSize, squareSize); cairo_fill (cr); cairo_destroy (cr); - DrawSeekClose(); } else XCopyArea(xDisplay, xpmBoardBitmap[color], dest, wlPieceGC, x0, y0, squareSize, squareSize, x*fac, y*fac); @@ -2732,11 +2729,10 @@ pngDrawPiece (ChessSquare piece, int square_color, int x, int y, Drawable dest) if(appData.upsideDown && flipView) { p += p < BlackPawn ? BlackPawn : -BlackPawn; }// swap white and black pieces BlankSquare(x, y, square_color, piece, dest, 1); // erase previous contents with background DrawSeekOpen(); - cr = cairo_create (cs); + cr = cairo_create (csBoardWindow); cairo_set_source_surface (cr, pngPieceBitmaps[kind][piece], x, y); cairo_paint(cr); cairo_destroy (cr); - DrawSeekClose(); } typedef void (*DrawFunc)(); @@ -2765,7 +2761,7 @@ DrawDot (int marker, int x, int y, int r) { cairo_t *cr; DrawSeekOpen(); - cr = cairo_create(cs); + cr = cairo_create(csBoardWindow); cairo_arc(cr, x+r/2, y+r/2, r/2, 0.0, 2*M_PI); if(appData.monoMode) { SetPen(cr, 2, marker == 2 ? "#000000" : "#FFFFFF", 0); @@ -2778,7 +2774,6 @@ DrawDot (int marker, int x, int y, int r) cairo_stroke(cr); cairo_destroy(cr); - DrawSeekClose(); } void @@ -2938,7 +2933,7 @@ void DrawSeekAxis( int x, int y, int xTo, int yTo ) cairo_t *cr; /* get a cairo_t */ - cr = cairo_create (cs); + cr = cairo_create (csBoardWindow); cairo_move_to (cr, x, y); cairo_line_to(cr, xTo, yTo ); @@ -2952,7 +2947,7 @@ void DrawSeekAxis( int x, int y, int xTo, int yTo ) void DrawSeekBackground( int left, int top, int right, int bottom ) { - cairo_t *cr = cairo_create (cs); + cairo_t *cr = cairo_create (csBoardWindow); cairo_rectangle (cr, left, top, right-left, bottom-top); @@ -2965,7 +2960,7 @@ void DrawSeekBackground( int left, int top, int right, int bottom ) void DrawSeekText(char *buf, int x, int y) { - cairo_t *cr = cairo_create (cs); + cairo_t *cr = cairo_create (csBoardWindow); cairo_select_font_face (cr, "Sans", CAIRO_FONT_SLANT_NORMAL, @@ -2985,7 +2980,7 @@ void DrawSeekText(char *buf, int x, int y) void DrawSeekDot(int x, int y, int colorNr) { - cairo_t *cr = cairo_create (cs); + cairo_t *cr = cairo_create (csBoardWindow); int square = colorNr & 0x80; colorNr &= 0x7F; @@ -3012,13 +3007,12 @@ DrawSeekOpen () { int boardWidth = lineGap + BOARD_WIDTH * (squareSize + lineGap); int boardHeight = lineGap + BOARD_HEIGHT * (squareSize + lineGap); - cs = cairo_xlib_surface_create(xDisplay, xBoardWindow, DefaultVisual(xDisplay, 0), boardWidth, boardHeight); + if(!csBoardWindow) csBoardWindow = cairo_xlib_surface_create(xDisplay, xBoardWindow, DefaultVisual(xDisplay, 0), boardWidth, boardHeight); } void DrawSeekClose () { - cairo_surface_destroy(cs); } void @@ -3030,7 +3024,7 @@ DrawGrid() 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); @@ -3045,7 +3039,6 @@ DrawGrid() /* free memory */ cairo_destroy (cr); - DrawSeekClose(); return; } @@ -3761,6 +3754,7 @@ RemoveInputSource (InputSourceRef isr) static int xpmDone = 0; static Pixmap animBufs[3*NrOfAnims]; // newBuf, saveBuf static GC animGCs[3*NrOfAnims]; // blitGC, pieceGC, outlineGC; +static cairo_surface_t *c_animBufs[3*NrOfAnims]; // newBuf, saveBuf static void CreateAnimMasks (int pieceDepth) @@ -3846,6 +3840,13 @@ InitAnimState (AnimNr anr, XWindowAttributes *info) XtGCMask mask; XGCValues values; + if(cairoAnimate) { + DrawSeekOpen(); // set cs to board widget + c_animBufs[anr+4] = csBoardWindow; + c_animBufs[anr+2] = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, squareSize, squareSize); + c_animBufs[anr] = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, squareSize, squareSize); + } + /* Each buffer is square size, same depth as window */ animBufs[anr+4] = xBoardWindow; animBufs[anr+2] = XCreatePixmap(xDisplay, xBoardWindow, @@ -4002,21 +4003,48 @@ OverlayPiece (ChessSquare piece, GC clip, GC outline, Drawable dest) } } +static void +CairoOverlayPiece (ChessSquare piece, cairo_surface_t *dest) +{ + static ChessSquare oldPiece = -1; + static cairo_t *pieceSource; + if(piece != oldPiece) { // try make it faster by only changing cr if we need other piece + if(pieceSource) cairo_destroy (pieceSource); + pieceSource = cairo_create (dest); + cairo_set_source_surface (pieceSource, pngPieceBitmaps[!White(piece)][piece % BlackPawn], 0, 0); + oldPiece = piece; + } + cairo_paint(pieceSource); +} + void InsertPiece (AnimNr anr, ChessSquare piece) { + if(cairoAnimate) { + CairoOverlayPiece(piece, c_animBufs[anr]); + } else OverlayPiece(piece, animGCs[anr+2], animGCs[anr+4], animBufs[anr]); } void DrawBlank (AnimNr anr, int x, int y, int startColor) { + if(cairoAnimate) + BlankSquare(x, y, startColor, EmptySquare, (Drawable) c_animBufs[anr+2], 0); + else BlankSquare(x, y, startColor, EmptySquare, animBufs[anr+2], 0); } void CopyRectangle (AnimNr anr, int srcBuf, int destBuf, int srcX, int srcY, int width, int height, int destX, int destY) { + if(cairoAnimate) { + 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); + } else XCopyArea(xDisplay, animBufs[anr+srcBuf], animBufs[anr+destBuf], animGCs[anr], srcX, srcY, width, height, destX, destY); } @@ -4025,6 +4053,7 @@ void SetDragPiece (AnimNr anr, ChessSquare piece) { Pixmap mask; + if(cairoAnimate) return; /* The piece will be drawn using its own bitmap as a matte */ SelectGCMask(piece, &animGCs[anr+2], &animGCs[anr+4], &mask); XSetClipMask(xDisplay, animGCs[anr+2], mask); -- 1.7.0.4