mirror of
https://git.FreeBSD.org/ports.git
synced 2024-12-19 03:52:17 +00:00
5821e9ceba
- add support for Chinese (two-byte) Character text writing and fonts (vanilla); - move rather long manpages listing from Makefile into separate files (sobomax); - bump PORTREVISION as a result. Submitted by: vanilla, sobomax
326 lines
8.2 KiB
Plaintext
326 lines
8.2 KiB
Plaintext
--- gl/cctext.c.orig Sat Sep 30 20:48:05 2000
|
|
+++ gl/cctext.c Mon Sep 20 23:00:19 1999
|
|
@@ -0,0 +1,322 @@
|
|
+/* Framebuffer Graphics Libary for Linux,
|
|
+ * Copyright 1998 Wei Yongming
|
|
+ * This code is based on partially Harm Hanemaayer's work.
|
|
+ */
|
|
+/* cctext.c Chinese (two-byte) Character text writing and fonts */
|
|
+
|
|
+
|
|
+#include <stdlib.h>
|
|
+#include <stdio.h>
|
|
+#include <stdarg.h>
|
|
+#include <vga.h>
|
|
+#include "inlstring.h" /* include inline string operations */
|
|
+
|
|
+#include "vgagl.h"
|
|
+#include "def.h"
|
|
+
|
|
+
|
|
+/* CCText/font functions */
|
|
+// The default font matrics values.
|
|
+static int afont_width = 8;
|
|
+static int cfont_width = 16;
|
|
+static int font_height = 16;
|
|
+static char *afont_address;
|
|
+static char *cfont_address;
|
|
+static int afont_charsize = 128;
|
|
+static int cfont_charsize = 256;
|
|
+// The writemode of cc font is always COMPRESSED.
|
|
+static int font_writemode = WRITEMODE_OVERWRITE;
|
|
+static int compressed_font_bg = 0;
|
|
+static int compressed_font_fg = 15;
|
|
+
|
|
+void gl_setccfont(int afw, int cfw, int fh, void *afont, void* cfont)
|
|
+{
|
|
+ afont_width = afw;
|
|
+ cfont_width = cfw;
|
|
+ font_height = fh;
|
|
+ afont_charsize = afont_width * font_height * BYTESPERPIXEL;
|
|
+ cfont_charsize = cfont_width * font_height * BYTESPERPIXEL;
|
|
+ afont_address = afont;
|
|
+ cfont_address = cfont;
|
|
+}
|
|
+
|
|
+void gl_setccwritemode(int m)
|
|
+{
|
|
+ font_writemode = m;
|
|
+}
|
|
+
|
|
+void gl_setccfontcolors(int bg, int fg)
|
|
+{
|
|
+ compressed_font_bg = bg;
|
|
+ compressed_font_fg = fg;
|
|
+}
|
|
+
|
|
+void gl_ccwriten(int x, int y, int n, char *s)
|
|
+{
|
|
+ char *str = alloca(n + 1);
|
|
+ memcpy(str, s, n);
|
|
+ str[n] = 0;
|
|
+ gl_ccwrite(x, y, str);
|
|
+}
|
|
+
|
|
+#ifndef SVGA_AOUT
|
|
+
|
|
+static int ccnprintf(int sx, int sy,
|
|
+ size_t bufs, const char *fmt, va_list args)
|
|
+{
|
|
+ char *buf;
|
|
+ static int x = 0, y = 0, x_start = 0;
|
|
+ int n;
|
|
+
|
|
+ buf = alloca(bufs);
|
|
+ n = vsnprintf(buf, bufs, fmt, args);
|
|
+ if (n < 0)
|
|
+ return n; /* buffer did not suffice, return and retry */
|
|
+
|
|
+ if ((sx >= 0) && (sy >= 0)) {
|
|
+ x = x_start = sx;
|
|
+ y = sy;
|
|
+ }
|
|
+
|
|
+ for (; *buf; buf++)
|
|
+ switch (*buf) {
|
|
+ case '\a': /* badly implemented */
|
|
+ fputc('\a', stdout);
|
|
+ fflush(stdout);
|
|
+ break;
|
|
+ case '\b':
|
|
+ x -= afont_width;
|
|
+ if (x < x_start) {
|
|
+ x = WIDTH + (x_start % afont_width);
|
|
+ while(x + afont_width > WIDTH)
|
|
+ x -= afont_width;
|
|
+ if (y >= font_height)
|
|
+ y -= font_height;
|
|
+ }
|
|
+ break;
|
|
+ case '\n':
|
|
+ newline:
|
|
+ y += font_height;
|
|
+ if (y + font_height > HEIGHT)
|
|
+ y %= font_height;
|
|
+ case '\r':
|
|
+ x = x_start;
|
|
+ break;
|
|
+ case '\t':
|
|
+ x += ((TEXT_TABSIZE -
|
|
+ ((x - x_start) / afont_width) % TEXT_TABSIZE) * afont_width);
|
|
+ goto chk_wrap;
|
|
+ break;
|
|
+ case '\v':
|
|
+ y += font_height;
|
|
+ if (y + font_height > HEIGHT)
|
|
+ y %= font_height;
|
|
+ break;
|
|
+ default:
|
|
+ if( ((unsigned char)(*buf) > 0xa0)
|
|
+ && ((unsigned char)(*(buf + 1)) > 0xa0)) {
|
|
+ gl_ccwriten(x, y, 2, buf);
|
|
+ buf += 1;
|
|
+ x += cfont_width;
|
|
+ }
|
|
+ else {
|
|
+ gl_ccwriten(x, y, 1, buf);
|
|
+ x += afont_width;
|
|
+ }
|
|
+ chk_wrap:
|
|
+ if (x + afont_width > WIDTH)
|
|
+ goto newline;
|
|
+ }
|
|
+ return n;
|
|
+}
|
|
+
|
|
+int gl_ccprintf(int x, int y, const char *fmt, ...)
|
|
+{
|
|
+ size_t bufs = BUFSIZ;
|
|
+ int result;
|
|
+ va_list args;
|
|
+
|
|
+ va_start(args, fmt);
|
|
+
|
|
+ /* Loop until buffer size suffices */
|
|
+ do {
|
|
+ result = ccnprintf(x, y, bufs, fmt, args);
|
|
+ bufs <<= 1;
|
|
+ } while(result < 0);
|
|
+
|
|
+ va_end(args);
|
|
+ return result;
|
|
+}
|
|
+
|
|
+#endif
|
|
+
|
|
+static int getnextchar(char* s, uchar* cc)
|
|
+{
|
|
+ if( s[0] == '\0') return 0;
|
|
+
|
|
+ cc[0] = (unsigned char)(*s);
|
|
+ cc[1] = (unsigned char)(*(s + 1));
|
|
+
|
|
+ if( ((unsigned char)cc[0] > 0xa0) && ((unsigned char)cc[1] > 0xa0) )
|
|
+ return 1;
|
|
+
|
|
+ cc[1] = '\0';
|
|
+
|
|
+ return 1;
|
|
+}
|
|
+
|
|
+static void expandcchar(int bg, int fg, uchar* c, unsigned char *bitmap)
|
|
+{
|
|
+ int x, y;
|
|
+ int c1, c2;
|
|
+ unsigned char *font;
|
|
+ int b = 0; /* keep gcc happy with b = 0 - MW */
|
|
+
|
|
+ c1 = c[0];
|
|
+ c2 = c[1];
|
|
+
|
|
+ font = cfont_address + ((c1 - 161)*94 + c2 - 161) *
|
|
+ (font_height * ((cfont_width + 7) / 8));
|
|
+
|
|
+ for (y = 0; y < font_height; y++)
|
|
+ for (x = 0; x < cfont_width; x++) {
|
|
+ if (x % 8 == 0)
|
|
+ b = *font++;
|
|
+ if (b & (128 >> (x % 8))) /* pixel */
|
|
+ switch (BYTESPERPIXEL) {
|
|
+ case 1:
|
|
+ *bitmap = fg;
|
|
+ bitmap++;
|
|
+ break;
|
|
+ case 2:
|
|
+ *(ushort *) bitmap = fg;
|
|
+ bitmap += 2;
|
|
+ break;
|
|
+ case 3:
|
|
+ *(ushort *) bitmap = fg;
|
|
+ *(bitmap + 2) = fg >> 16;
|
|
+ bitmap += 3;
|
|
+ break;
|
|
+ case 4:
|
|
+ *(uint *) bitmap = fg;
|
|
+ bitmap += 4;
|
|
+ } else /* background pixel */
|
|
+ switch (BYTESPERPIXEL) {
|
|
+ case 1:
|
|
+ *bitmap = bg;
|
|
+ bitmap++;
|
|
+ break;
|
|
+ case 2:
|
|
+ *(ushort *) bitmap = bg;
|
|
+ bitmap += 2;
|
|
+ break;
|
|
+ case 3:
|
|
+ *(ushort *) bitmap = bg;
|
|
+ *(bitmap + 2) = bg;
|
|
+ bitmap += 3;
|
|
+ break;
|
|
+ case 4:
|
|
+ *(uint *) bitmap = bg;
|
|
+ bitmap += 4;
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+static void expandchar(int bg, int fg, int c, unsigned char *bitmap)
|
|
+{
|
|
+ int x, y;
|
|
+ unsigned char *font;
|
|
+ int b = 0; /* keep gcc happy with b = 0 - MW */
|
|
+
|
|
+ font = afont_address + c * (font_height * ((afont_width + 7) / 8));
|
|
+
|
|
+ for (y = 0; y < font_height; y++)
|
|
+ for (x = 0; x < afont_width; x++) {
|
|
+ if (x % 8 == 0)
|
|
+ b = *font++;
|
|
+ if (b & (128 >> (x % 8))) /* pixel */
|
|
+ switch (BYTESPERPIXEL) {
|
|
+ case 1:
|
|
+ *bitmap = fg;
|
|
+ bitmap++;
|
|
+ break;
|
|
+ case 2:
|
|
+ *(ushort *) bitmap = fg;
|
|
+ bitmap += 2;
|
|
+ break;
|
|
+ case 3:
|
|
+ *(ushort *) bitmap = fg;
|
|
+ *(bitmap + 2) = fg >> 16;
|
|
+ bitmap += 3;
|
|
+ break;
|
|
+ case 4:
|
|
+ *(uint *) bitmap = fg;
|
|
+ bitmap += 4;
|
|
+ } else /* background pixel */
|
|
+ switch (BYTESPERPIXEL) {
|
|
+ case 1:
|
|
+ *bitmap = bg;
|
|
+ bitmap++;
|
|
+ break;
|
|
+ case 2:
|
|
+ *(ushort *) bitmap = bg;
|
|
+ bitmap += 2;
|
|
+ break;
|
|
+ case 3:
|
|
+ *(ushort *) bitmap = bg;
|
|
+ *(bitmap + 2) = bg;
|
|
+ bitmap += 3;
|
|
+ break;
|
|
+ case 4:
|
|
+ *(uint *) bitmap = bg;
|
|
+ bitmap += 4;
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|
|
+/* Write using compressed font. */
|
|
+
|
|
+void gl_ccwrite(int x, int y, char* s)
|
|
+{
|
|
+ unsigned char *bitmap;
|
|
+ uchar cc[2];
|
|
+
|
|
+ bitmap = (unsigned char *)alloca(cfont_width * font_height * BYTESPERPIXEL);
|
|
+ if( !(font_writemode & WRITEMODE_MASKED) ) {
|
|
+ while( getnextchar(s, cc) ) {
|
|
+ if( cc[1] != '\0') {
|
|
+ expandcchar(compressed_font_bg, compressed_font_fg,
|
|
+ cc, bitmap);
|
|
+ gl_putbox(x, y, cfont_width, font_height, bitmap);
|
|
+ s += 2;
|
|
+ x += cfont_width;
|
|
+ }
|
|
+ else {
|
|
+ expandchar(compressed_font_bg, compressed_font_fg,
|
|
+ cc[0], bitmap);
|
|
+ gl_putbox(x, y, afont_width, font_height, bitmap);
|
|
+ s += 1;
|
|
+ x += afont_width;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+ else { // masked write.
|
|
+ while( getnextchar(s, cc) ) {
|
|
+ if( cc[1] != '\0') {
|
|
+ expandcchar(0, compressed_font_fg,
|
|
+ cc, bitmap);
|
|
+ gl_putboxmask(x, y, cfont_width, font_height, bitmap);
|
|
+ s += 2;
|
|
+ x += cfont_width;
|
|
+ }
|
|
+ else {
|
|
+ expandchar(0, compressed_font_fg,
|
|
+ cc[0], bitmap);
|
|
+ gl_putboxmask(x, y, afont_width, font_height, bitmap);
|
|
+ s += 1;
|
|
+ x += afont_width;
|
|
+ }
|
|
+ }
|
|
+ }
|
|
+}
|
|
+
|