* Massachusetts.
*
* Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
- * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Free Software Foundation, Inc.
+ * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Free
+ * Software Foundation, Inc.
*
* The following terms apply to Digital Equipment Corporation's copyright
* interest in XBoard:
#include <stdio.h>
#include <math.h>
#include <cairo/cairo.h>
-#include <cairo/cairo-xlib.h>
#include <librsvg/rsvg.h>
#include <librsvg/rsvg-cairo.h>
+#include <pango/pangocairo.h>
#if STDC_HEADERS
# include <stdlib.h>
Boolean cairoAnimate;
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 RsvgHandle *svgPieces[2][(int)BlackPawn+4]; // vector pieces in store
+static cairo_surface_t *pngPieceImages[2][(int)BlackPawn]; // 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]; // scaled pieces in store
+static RsvgHandle *svgPieces[2][(int)BlackPawn]; // vector pieces in store
static cairo_surface_t *pngBoardBitmap[2], *pngOriginalBoardBitmap[2];
int useTexture, textureW[2], textureH[2];
SwitchWindow (int main)
{
currBoard = (main ? &mainOptions[W_BOARD] : &dualOptions[3]);
- csBoardWindow = DRAWABLE(currBoard);
+// CsBoardWindow = DRAWABLE(currBoard);
}
+
+static void
+NewCanvas (Option *graph)
+{
+ cairo_t *cr;
+ int w = graph->max, h = graph->value;
+ if(graph->choice) cairo_surface_destroy((cairo_surface_t *) graph->choice);
+ graph->choice = (char**) cairo_image_surface_create (CAIRO_FORMAT_ARGB32, w, h);
+ // paint white, to prevent weirdness when people maximize window and drag pieces over space next to board
+ cr = cairo_create ((cairo_surface_t *) graph->choice);
+ cairo_rectangle (cr, 0, 0, w, h);
+ cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0);
+ cairo_fill(cr);
+ cairo_destroy (cr);
+ graph->min &= ~REPLACE;
+}
+
+static cairo_surface_t *
+CsBoardWindow (Option *opt)
+{ // test before every draw event if we need to resize the canvas
+ if(opt->min & REPLACE) NewCanvas(opt);
+ return DRAWABLE(opt);
+}
+
+
void
SelectPieces(VariantClass v)
{
pngPieceBitmaps[i][p] = pngPieceBitmaps2[i][p]; // defaults
if(v == VariantShogi && BOARD_HEIGHT != 7) { // no exceptions in Tori Shogi
pngPieceBitmaps[i][(int)WhiteCannon] = pngPieceBitmaps2[i][(int)WhiteTokin];
- pngPieceBitmaps[i][(int)WhiteNightrider] = pngPieceBitmaps2[i][(int)WhiteKing+2];
- pngPieceBitmaps[i][(int)WhiteGrasshopper] = pngPieceBitmaps2[i][(int)WhiteKing+3];
- pngPieceBitmaps[i][(int)WhiteSilver] = pngPieceBitmaps2[i][(int)WhiteKing+4];
+ pngPieceBitmaps[i][(int)WhiteNightrider] = pngPieceBitmaps2[i][(int)WhitePKnight];
+ pngPieceBitmaps[i][(int)WhiteGrasshopper] = pngPieceBitmaps2[i][(int)WhitePLance];
+ pngPieceBitmaps[i][(int)WhiteSilver] = pngPieceBitmaps2[i][(int)WhitePSilver];
pngPieceBitmaps[i][(int)WhiteQueen] = pngPieceBitmaps2[i][(int)WhiteLance];
pngPieceBitmaps[i][(int)WhiteFalcon] = pngPieceBitmaps2[i][(int)WhiteMonarch]; // for Sho Shogi
}
if(v == VariantChu) {
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];
+ 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)WhiteCat] = pngPieceBitmaps2[i][(int)WhiteUnicorn];
+ pngPieceBitmaps[i][(int)WhiteSword] = pngPieceBitmaps2[i][(int)WhiteSilver];
+ pngPieceBitmaps[i][(int)WhiteDagger] = pngPieceBitmaps2[i][(int)WhiteFalcon];
+ pngPieceBitmaps[i][(int)WhiteMan] = pngPieceBitmaps2[i][(int)WhiteCopper];
+ pngPieceBitmaps[i][(int)WhiteCopper] = pngPieceBitmaps2[i][(int)WhiteMan];
+ pngPieceBitmaps[i][(int)WhiteAxe] = pngPieceBitmaps2[i][(int)WhiteCannon];
+ pngPieceBitmaps[i][(int)WhiteCannon] = pngPieceBitmaps2[i][(int)WhiteAxe];
}
}
}
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) {
+ if(cairo_surface_status(img) == CAIRO_STATUS_SUCCESS) {
char c, *p = s, *q;
int r, f;
if(pngOriginalBoardBitmap[kind]) cairo_surface_destroy(pngOriginalBoardBitmap[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", "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
+ "Sword", "Zebra", "Camel", "Tower", "Wolf", "Hat", "Duck", "Lance", "Dragon", "Gnu", "Cub",
+ "LShield", "Pegasus", "Wizard", "Copper", "Iron", "Viking", "Flag", "Axe", "Dolphin", "Leopard", "Claw",
+ "Left", "Butterfly", "PromoBishop", "PromoRook", "HCrown", "RShield", "Prince", "Phoenix", "Kylin", "Drunk", "Right",
+ "GoldPawn", "GoldKnight", "PromoHorse", "PromoDragon", "GoldLance", "GoldSilver", "HSword", "PromoSword", "PromoHSword", "Princess", "King",
+ NULL
};
-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
+char *backupPiece[] = { // pieces that map on other in default theme ("Crown" - "Drunk")
+ "Princess", NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "Chancellor", NULL,
+ NULL, "Knight", NULL, "Commoner", NULL, NULL, NULL, "Canon", NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL, NULL, NULL, "King", "Queen", "Lion", "Elephant"
+};
RsvgHandle *
LoadSVG (char *dir, int color, int piece, int retry)
snprintf(buf, MSG_SIZ, "%s/%s%s.svg", dir, color ? "Black" : "White", name);
- if(svg || *dir && (svg = rsvg_handle_new_from_file(buf, &svgerror))) {
+ if(!svg && *dir) {
+ svg = rsvg_handle_new_from_file(buf, &svgerror);
+ if(!svg && *appData.inscriptions) { // if there is no piece-specific SVG, but we make inscriptions, try general background
+ snprintf(buf, MSG_SIZ, "%s/%sTile.svg", dir, color ? "Black" : "White");
+ svg = rsvg_handle_new_from_file(buf, &svgerror);
+ }
+ }
+ if(svg) {
rsvg_handle_get_dimensions(svg, &svg_dimensions);
img = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, squareSize, squareSize);
return svg;
}
- if(!retry && piece >= WhiteGrasshopper && piece <= WhiteNothing) // pieces that are only different in kanji sets
+ if(!retry && piece >= WhiteGrasshopper && piece <= WhiteDrunk) // pieces that are only different in kanji sets
return LoadSVG(dir, color, piece, 1);
if(svgerror)
g_error_free(svgerror);
if(!pngPieceImages[color][piece]) { // we still did not manage to acquire a piece bitmap
static int warned = 0;
- if(!(svgPieces[color][piece] = LoadSVG(svgDir, color, piece, 0)) && !warned) { // try to fall back on installed svg
+ if(!(svgPieces[color][piece] = LoadSVG(svgDir, color, piece, 0)) // try to fall back on installed svg
+ && !warned && strcmp(pngPieceNames[piece], "Tile")) { // but do not complain about missing 'Tile'
char *msg = _("No default pieces installed!\nSelect your own using '-pieceImageDirectory'.");
- printf("%s\n", msg); // give up
+ printf("%s (%s)\n", msg, pngPieceNames[piece]); // give up
DisplayError(msg, 0);
warned = 1; // prevent error message being repeated for each piece type
}
{
int i, p;
if(reloadPieces)
- for(i=0; i<2; i++) for(p=0; p<BlackPawn+4; p++) {
+ for(i=0; i<2; i++) for(p=0; p<BlackPawn; p++) {
if(pngPieceImages[i][p]) cairo_surface_destroy(pngPieceImages[i][p]);
pngPieceImages[i][p] = NULL;
if(svgPieces[i][p]) rsvg_handle_close(svgPieces[i][p], NULL);
cairo_t *cr;
/* get a cairo_t */
- cr = cairo_create (csBoardWindow);
+ cr = cairo_create (CsBoardWindow(currBoard));
cairo_move_to (cr, x, y);
cairo_line_to(cr, xTo, yTo );
void DrawSeekBackground( int left, int top, int right, int bottom )
{
- cairo_t *cr = cairo_create (csBoardWindow);
+ cairo_t *cr = cairo_create (CsBoardWindow(currBoard));
cairo_rectangle (cr, left, top, right-left, bottom-top);
void DrawSeekText(char *buf, int x, int y)
{
- cairo_t *cr = cairo_create (csBoardWindow);
+ cairo_t *cr = cairo_create (CsBoardWindow(currBoard));
cairo_select_font_face (cr, "Sans",
CAIRO_FONT_SLANT_NORMAL,
void DrawSeekDot(int x, int y, int colorNr)
{
- cairo_t *cr = cairo_create (csBoardWindow);
+ cairo_t *cr = cairo_create (CsBoardWindow(currBoard));
int square = colorNr & 0x80;
colorNr &= 0x7F;
void
InitDrawingHandle (Option *opt)
{
- csBoardWindow = DRAWABLE(opt);
+// CsBoardWindow = DRAWABLE(opt);
+ currBoard = opt;
}
void
cairo_t *cr;
/* get a cairo_t */
- cr = cairo_create (csBoardWindow);
+ cr = cairo_create (CsBoardWindow(currBoard));
cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
SetPen(cr, lineGap, "#000000", 0);
case 2: col = appData.premoveHighlightColor; break;
default: col = "#808080"; break; // cannot happen
}
- cr = cairo_create(csBoardWindow);
+ cr = cairo_create(CsBoardWindow(currBoard));
cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
cairo_rectangle(cr, x+odd/2., y+odd/2., squareSize+lineGap, squareSize+lineGap);
SetPen(cr, lineGap, col, 0);
cairo_stroke(cr);
cairo_destroy(cr);
- GraphExpose(currBoard, x - lineGap/2, y - lineGap/2, squareSize+2*lineGap+odd, squareSize+2*lineGap+odd);
+// GraphExpose(currBoard, x - lineGap/2, y - lineGap/2, squareSize+2*lineGap+odd, squareSize+2*lineGap+odd);
}
static int
cairo_t *cr;
int w, h;
- 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(DRAWABLE(opt));
-// cairo_scale(cr, (float)appData.logoSize/w, appData.logoSize/(2.*h));
- cairo_scale(cr, (float)opt->max/w, (float)opt->value/h);
- cairo_set_source_surface (cr, img, 0, 0);
- cairo_paint (cr);
+ if(!opt) return;
+ cr = cairo_create(CsBoardWindow(opt));
+ cairo_rectangle (cr, 0, 0, opt->max, opt->value);
+ cairo_set_source_rgba(cr, 0.5, 0.5, 0.5, 1.0);
+ cairo_fill(cr); // paint background in case logo does not exist
+ if(logo) {
+ img = cairo_image_surface_create_from_png (logo);
+ if(cairo_surface_status(img) == CAIRO_STATUS_SUCCESS) {
+ w = cairo_image_surface_get_width (img);
+ h = cairo_image_surface_get_height (img);
+// cairo_scale(cr, (float)appData.logoSize/w, appData.logoSize/(2.*h));
+ cairo_scale(cr, (float)opt->max/w, (float)opt->value/h);
+ cairo_set_source_surface (cr, img, 0, 0);
+ cairo_paint (cr);
+ }
+ cairo_surface_destroy (img);
+ }
cairo_destroy (cr);
- cairo_surface_destroy (img);
- GraphExpose(opt, 0, 0, appData.logoSize, appData.logoSize/2);
+ GraphExpose(opt, 0, 0, opt->max, opt->value);
}
static void
void
DrawDot (int marker, int x, int y, int r)
{ // used for atomic captures; no need to draw on backup
- DoDrawDot(csBoardWindow, marker, x, y, r);
+ DoDrawDot(CsBoardWindow(currBoard), marker, x, y, r);
GraphExpose(currBoard, x-r, y-r, 2*r, 2*r);
}
static void
+DrawUnicode (cairo_surface_t *canvas, char *string, int x, int y, char id, int flip)
+{
+// cairo_text_extents_t te;
+ cairo_t *cr;
+ int s = 1 - 2*flip;
+ PangoLayout *layout;
+ PangoFontDescription *desc;
+ PangoRectangle r;
+ char fontName[MSG_SIZ];
+
+ cr = cairo_create (canvas);
+ layout = pango_cairo_create_layout(cr);
+ pango_layout_set_text(layout, string, -1);
+ snprintf(fontName, MSG_SIZ, "Sans Normal %dpx", 5*squareSize/8);
+ desc = pango_font_description_from_string(fontName);
+ pango_layout_set_font_description(layout, desc);
+ pango_font_description_free(desc);
+ pango_layout_get_pixel_extents(layout, NULL, &r);
+ cairo_translate(cr, x + squareSize/2 - s*r.width/2, y + (8+s)*squareSize/16 - s*r.height/2);
+ if(s < 0) cairo_rotate(cr, G_PI);
+ cairo_set_source_rgb(cr, (id == '+' ? 1.0 : 0.0), 0.0, 0.0);
+ pango_cairo_update_layout(cr, layout);
+ pango_cairo_show_layout(cr, layout);
+ g_object_unref(layout);
+ cairo_destroy(cr);
+}
+
+void
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);
+ cr = cairo_create (CsBoardWindow(currBoard));
cairo_select_font_face (cr, "Sans",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_BOLD);
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;
yy += -te.y_bearing + 3;
} else if (align == 4) {
xx += te.x_bearing + 1, yy += -te.y_bearing + 3;
- } else if (align < 0) {
- 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);
- if(align == -2) cairo_set_source_rgb (cr, 1.0, 0.0, 0.0); else
if(align < 3) cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
else cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
cairo_show_text (cr, string);
}
void
-InscribeKanji (ChessSquare piece, int x, int y)
+InscribeKanji (cairo_surface_t *canvas, ChessSquare piece, int x, int y)
{
char *p, *q, buf[10];
- int n, black = 2*(appData.upsideDown && flipView);
+ int n, flip = appData.upsideDown && flipView == (piece < BlackPawn);
if(piece == EmptySquare) return;
- if(piece >= BlackPawn) piece = BLACK_TO_WHITE piece, black = 2 - black;
+ if(piece >= BlackPawn) piece = BLACK_TO_WHITE piece;
p = appData.inscriptions;
n = piece;
while(piece > WhitePawn) {
strncpy(buf, p, 10);
for(q=buf; (*++q & 0xC0) == 0x80;);
*q = NULLCHAR;
- DrawText(buf, x, y, (n > WhiteLion ? -2 : -1) - black);
+ DrawUnicode(canvas, buf, x, y, PieceToChar(n), flip);
}
void
// piece, background, coordinate/count, marker dot
if (piece == EmptySquare) {
- BlankSquare(csBoardWindow, x, y, square_color, piece, 1);
+ BlankSquare(CsBoardWindow(currBoard), x, y, square_color, piece, 1);
} else {
- pngDrawPiece(csBoardWindow, piece, square_color, x, y);
- if(appData.inscriptions[0]) InscribeKanji(piece, x, y);
+ pngDrawPiece(CsBoardWindow(currBoard), piece, square_color, x, y);
+ if(appData.inscriptions[0]) InscribeKanji(CsBoardWindow(currBoard), piece, x, y);
}
if(align) { // square carries inscription (coord or piece count)
}
if(marker) { // print fat marker dot, if requested
- DoDrawDot(csBoardWindow, marker, x + squareSize/4, y+squareSize/4, squareSize/2);
+ DoDrawDot(CsBoardWindow(currBoard), marker, x + squareSize/4, y+squareSize/4, squareSize/2);
}
}
{
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;
+ c_animBufs[anr+4] = CsBoardWindow(currBoard);
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);
}
if(doubleClick) cairo_paint_with_alpha (pieceSource, 0.6);
else cairo_paint(pieceSource);
cairo_destroy (pieceSource);
+ if(appData.inscriptions[0]) InscribeKanji(dest, piece, 0, 0);
}
void
int srcX, int srcY, int width, int height, int destX, int destY)
{
cairo_t *cr;
- c_animBufs[anr+4] = csBoardWindow;
+ c_animBufs[anr+4] = CsBoardWindow(currBoard);
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) // suspect that GTK needs this!
+ if(c_animBufs[anr+destBuf] == CsBoardWindow(currBoard)) // suspect that GTK needs this!
GraphExpose(currBoard, destX, destY, width, height);
}
void
DrawPolygon (Pnt arrow[], int nr)
{
- DoDrawPolygon(csBoardWindow, arrow, nr);
+ DoDrawPolygon(CsBoardWindow(currBoard), arrow, nr);
// if(!dual) DoDrawPolygon(csBoardBackup, arrow, nr);
}
static int curX, curY;
if(penType != PEN_NONE) {
- cairo_t *cr = cairo_create(DRAWABLE(disp));
+ cairo_t *cr = cairo_create(CsBoardWindow(disp));
cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
cairo_move_to (cr, curX, curY);
cairo_line_to (cr, x,y);
{
cairo_t *cr;
- cr = cairo_create (DRAWABLE(disp));
+ cr = cairo_create (CsBoardWindow(disp));
cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
cairo_rectangle (cr, left, top, right-left, bottom-top);
switch(side)
{
// the magic constants 8 and 5 should really be derived from the font size somehow
cairo_text_extents_t extents;
- cairo_t *cr = cairo_create(DRAWABLE(disp));
+ cairo_t *cr = cairo_create(CsBoardWindow(disp));
/* GTK-TODO this has to go into the font-selection */
cairo_select_font_face (cr, "Sans",