// [HGM] bitmaps: put before incuding the bitmaps / pixmaps, to know how many piece types there are.
#include "common.h"
-#if HAVE_LIBXPM
-#include "pixmaps/pixmaps.h"
-#endif
-
#include "frontend.h"
#include "backend.h"
#include "xevalgraph.h"
oldMono = appData.monoMode;
}
+void
+ExposeRedraw (Option *graph, int x, int y, int w, int h)
+{ // copy a selected part of the buffer bitmap to the display
+ cairo_t *cr = cairo_create((cairo_surface_t *) graph->textValue);
+ cairo_set_source_surface(cr, (cairo_surface_t *) graph->choice, 0, 0);
+ cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
+ cairo_rectangle(cr, x, y, w, h);
+ cairo_fill(cr);
+ cairo_destroy(cr);
+}
+
static void
CreatePNGBoard (char *s, int kind)
{
"GoldKnight", "GoldLance", "GoldPawn", "GoldSilver", NULL
};
-cairo_surface_t *
-ConvertPixmap (int color, int piece)
-{
- int i, j, stride, f, colcode[10], w, b;
- char ch[10];
- cairo_surface_t *res;
- XpmPieces *p = builtInXpms + 10;
- char **pixels = p->xpm[piece % BlackPawn][2*color];
- int *buf;
- sscanf(pixels[0], "%*d %*d %d", &f);
- sscanf(appData.whitePieceColor+1, "%x", &w);
- sscanf(appData.blackPieceColor+1, "%x", &b);
- res = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, p->size, p->size);
- stride = cairo_image_surface_get_stride(res);
- buf = (int *) cairo_image_surface_get_data(res);
- for(i=0; i<f; i++) {
- ch[i] = pixels[i+1][0];
- colcode[i] = 0;
- if(strstr(pixels[i+1], "black")) colcode[i] = 0xFF000000; // 0xFF000000 + (color ? b : 0);
- if(strstr(pixels[i+1], "white")) colcode[i] = 0xFFFFFFCC; // 0xFF000000 + w;
- }
- for(i=0; i<p->size; i++) {
- for(j=0; j<p->size; j++) {
- char c = pixels[i+f+1][j];
- int k;
- for(k=0; ch[k] != c && k < f; k++);
- buf[i*p->size + j] = colcode[k];
- }
- }
- cairo_surface_mark_dirty(res);
- return res;
-}
-
RsvgHandle *
LoadSVG (char *dir, int color, int piece)
{
}
if(!pngPieceImages[color][piece]) { // we still did not manage to acquire a piece bitmap
- if(!(svgPieces[color][piece] = LoadSVG(appData.svgDirectory, color, piece))) // try to fall back on installed svg
- DisplayError(_("No default pieces installed\nSelect your own -pieceImageDirectory"), 0); // give up
+ static int warned = 0;
+ if(!(svgPieces[color][piece] = LoadSVG(SVGDIR, color, piece)) && !warned) { // try to fall back on installed svg
+ char *msg = _("No default pieces installed\nSelect your own -pieceImageDirectory");
+ printf("%s\n", msg); // give up
+ DisplayError(msg, 0);
+ warned = 1; // prevent error message being repeated for each piece type
+ }
}
img = pngPieceImages[color][piece];
pngPieceBitmaps2[color][piece] = cs = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, squareSize, squareSize);
if(piece <= WhiteKing) pngPieceBitmaps[color][piece] = cs;
+ if(!img) return;
+
// scaled copying of the raw png image
cr = cairo_create(cs);
w = cairo_image_surface_get_width (img);
cairo_paint (cr);
cairo_destroy (cr);
- if(!appData.trueColors || !*appData.pieceDirectory && !appData.svgDirectory) { // operate on bitmap to color it (king-size hack...)
+ if(!appData.trueColors || !*appData.pieceDirectory) { // 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;
buf[i*stride + j] = c & 0xFF000000; // alpha channel is kept at same opacity
buf[i*stride + j] += ((int)(f*(p&0xFF0000)) & 0xFF0000) + ((int)(f*(p&0xFF00)) & 0xFF00) + (int)(f*(p&0xFF)); // add desired fraction of new color
if(color) buf[i*stride + j] += r | r << 8 | r << 16; // details on black pieces get their weight added in pure white
+ if(appData.monoMode) {
+ if(a < 64) buf[i*stride + j] = 0; // if not opaque enough, totally transparent
+ else if(2*r < a) buf[i*stride + j] = 0xFF000000; // if not light enough, totally black
+ else buf[i*stride + j] = 0xFFFFFFFF; // otherwise white
+ }
}
cairo_surface_mark_dirty(cs);
}
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]);
/* lines in X */
for (i = 0; i < BOARD_WIDTH + BOARD_HEIGHT + 2; i++)
{
- cairo_move_to (cr, gridSegments[i].x1 + odd, gridSegments[i].y1 + odd);
- cairo_line_to (cr, gridSegments[i].x2 + odd, gridSegments[i].y2 + odd);
+ int h = (gridSegments[i].y1 == gridSegments[i].y2); // horizontal
+ cairo_move_to (cr, gridSegments[i].x1 + !h*odd, gridSegments[i].y1 + h*odd);
+ cairo_line_to (cr, gridSegments[i].x2 + !h*odd, gridSegments[i].y2 + h*odd);
cairo_stroke (cr);
}