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fen.c: optimization for size: do not use true-color where its not needed - ches… |
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git clone git://git.codemadness.org/chess-puzzles |
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--- |
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commit 2046625e2948b915fb5f7b6244e54f79cf2c2a8a |
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parent 2f8f9b16e1834cdd577d590efc51be17f3013585 |
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Author: Hiltjo Posthuma <[email protected]> |
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Date: Thu, 21 Dec 2023 19:57:04 +0100 |
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fen.c: optimization for size: do not use true-color where its not needed |
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- Reduces file size. |
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- Simplify creating a checkered pattern. |
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Diffstat: |
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M fen.c | 77 +++++++++--------------------… |
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1 file changed, 23 insertions(+), 54 deletions(-) |
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--- |
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diff --git a/fen.c b/fen.c |
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@@ -180,17 +180,10 @@ showboard_svg(void) |
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for (ix = 0; ix < 8; ix++) { |
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x = flipboard ? 7 - ix : ix; |
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- if (x % 2 == 0) { |
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- if (y % 2 == 0) |
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- color = highlight[y][x] ? lightsquareh… |
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- else |
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- color = highlight[y][x] ? darksquarehi… |
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- } else { |
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- if (y % 2 == 0) |
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- color = highlight[y][x] ? darksquarehi… |
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- else |
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- color = highlight[y][x] ? lightsquareh… |
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- } |
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+ if (((x % 2) ^ (y % 2)) == 0) |
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+ color = highlight[y][x] ? lightsquarehi : ligh… |
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+ else |
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+ color = highlight[y][x] ? darksquarehi : darks… |
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printf("<g><rect x=\"%d\" y=\"%d\" width=\"45\" height… |
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ix * 45, iy * 45, color[0], color[1], color[2]… |
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@@ -211,17 +204,10 @@ showboard_svg(void) |
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y = flipboard ? 7 - iy : iy; |
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/* inverse square color for text */ |
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- if (x % 2 == 0) { |
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- if (y % 2 == 0) |
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- color = highlight[y][x] ? darksquarehi… |
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- else |
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- color = highlight[y][x] ? lightsquareh… |
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- } else { |
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- if (y % 2 == 0) |
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- color = highlight[y][x] ? lightsquareh… |
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- else |
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- color = highlight[y][x] ? darksquarehi… |
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- } |
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+ if (((x % 2) ^ (y % 2)) == 0) |
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+ color = highlight[y][x] ? darksquarehi : darks… |
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+ else |
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+ color = highlight[y][x] ? lightsquarehi : ligh… |
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printf("<text x=\"%d\" y=\"%d\" fill=\"#%02x%02x%02x\"… |
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(ix + 1) * 45 - 2, (iy * 45) + 10, color[0], c… |
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@@ -293,9 +279,7 @@ showboard_tty(void) |
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showboardfen(); |
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printf("\n\n"); |
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- color = border; |
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- SETBGCOLOR(color[0], color[1], color[2]); |
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- SETFGCOLOR(0xff, 0xff, 0xff); |
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+ SETBGCOLOR(border[0], border[1], border[2]); |
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fputs(" ", stdout); |
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printf("\x1b[0m"); /* reset */ |
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putchar('\n'); |
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@@ -303,34 +287,26 @@ showboard_tty(void) |
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for (iy = 0; iy < 8; iy++) { |
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y = flipboard ? 7 - iy : iy; |
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- color = border; |
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- SETBGCOLOR(color[0], color[1], color[2]); |
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- SETFGCOLOR(0xff, 0xff, 0xff); |
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+ SETBGCOLOR(border[0], border[1], border[2]); |
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+ fputs("\x1b[97m", stdout); /* bright white */ |
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fputs(" ", stdout); |
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for (ix = 0; ix < 8; ix++) { |
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x = flipboard ? 7 - ix : ix; |
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- if (x % 2 == 0) { |
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- if (y % 2 == 0) |
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- color = highlight[y][x] ? lightsquareh… |
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- else |
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- color = highlight[y][x] ? darksquarehi… |
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- } else { |
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- if (y % 2 == 0) |
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- color = highlight[y][x] ? darksquarehi… |
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- else |
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- color = highlight[y][x] ? lightsquareh… |
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- } |
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+ if (((x % 2) ^ (y % 2)) == 0) |
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+ color = highlight[y][x] ? lightsquarehi : ligh… |
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+ else |
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+ color = highlight[y][x] ? darksquarehi : darks… |
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SETBGCOLOR(color[0], color[1], color[2]); |
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fputs(" ", stdout); |
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piece = getpiece(x, y); |
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if (piece) { |
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if (piece >= 'A' && piece <= 'Z') |
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- SETFGCOLOR(0xff, 0xff, 0xff); |
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+ fputs("\x1b[97m", stdout); /* bright w… |
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else |
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- SETFGCOLOR(0x00, 0x00, 0x00); |
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+ fputs("\x1b[30m", stdout); /* black */ |
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/* workaround: use black unicode chess symbol,… |
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the color is filled and better visible */ |
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showpiece_tty(tolower(piece)); |
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@@ -343,8 +319,8 @@ showboard_tty(void) |
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color = border; |
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SETBGCOLOR(color[0], color[1], color[2]); |
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- SETFGCOLOR(0xff, 0xff, 0xff); |
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if (showcoords) { |
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+ fputs("\x1b[97m", stdout); /* bright white */ |
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putchar('8' - y); |
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putchar(' '); |
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} else { |
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@@ -356,7 +332,7 @@ showboard_tty(void) |
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} |
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color = border; |
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SETBGCOLOR(color[0], color[1], color[2]); |
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- SETFGCOLOR(0xff, 0xff, 0xff); |
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+ fputs("\x1b[97m", stdout); /* bright white */ |
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if (showcoords) { |
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if (flipboard) |
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fputs(" h g f e d c b a ", stdout); |
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@@ -403,17 +379,10 @@ showboard_ascii(void) |
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for (ix = 0; ix < 8; ix++) { |
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x = flipboard ? 7 - ix : ix; |
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- if (x % 2 == 0) { |
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- if (y % 2 == 0) |
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- color = highlight[y][x] ? hi : light; |
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- else |
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- color = highlight[y][x] ? hi : dark; |
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- } else { |
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- if (y % 2 == 0) |
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- color = highlight[y][x] ? hi : dark; |
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- else |
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- color = highlight[y][x] ? hi : light; |
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- } |
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+ if (((x % 2) ^ (y % 2)) == 0) |
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+ color = highlight[y][x] ? hi : light; |
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+ else |
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+ color = highlight[y][x] ? hi : dark; |
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if (ix == 0) |
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putchar('|'); |
