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-rw-r--r--st.c119
1 files changed, 85 insertions, 34 deletions
diff --git a/st.c b/st.c
index 947373f..097244c 100644
--- a/st.c
+++ b/st.c
@@ -77,6 +77,13 @@ char *argv0;
#define IS_SET(flag) ((term.mode & (flag)) != 0)
#define TIMEDIFF(t1, t2) ((t1.tv_sec-t2.tv_sec)*1000 + (t1.tv_usec-t2.tv_usec)/1000)
+#define TRUECOLOR(r,g,b) (1 << 24 | (r) << 16 | (g) << 8 | (b))
+#define IS_TRUECOL(x) (1 << 24 & (x))
+#define TRUERED(x) (((x) & 0xff0000) >> 8)
+#define TRUEGREEN(x) (((x) & 0xff00))
+#define TRUEBLUE(x) (((x) & 0xff) << 8)
+
+
#define VT102ID "\033[?6c"
enum glyph_attribute {
@@ -158,8 +165,8 @@ typedef unsigned short ushort;
typedef struct {
char c[UTF_SIZ]; /* character code */
uchar mode; /* attribute flags */
- ushort fg; /* foreground */
- ushort bg; /* background */
+ ulong fg; /* foreground */
+ ulong bg; /* background */
} Glyph;
typedef Glyph *Line;
@@ -354,7 +361,7 @@ static void tsetdirtattr(int);
static void tsetmode(bool, bool, int *, int);
static void tfulldirt(void);
static void techo(char *, int);
-
+static ulong tdefcolor(int *, int *, int);
static inline bool match(uint, uint);
static void ttynew(void);
static void ttyread(void);
@@ -1618,9 +1625,58 @@ tdeleteline(int n) {
tscrollup(term.c.y, n);
}
+ulong
+tdefcolor(int *attr, int *npar, int l) {
+ long idx = -1;
+ uint r, g, b;
+
+ switch (attr[*npar + 1]) {
+ case 2: /* direct colour in RGB space */
+ if (*npar + 4 >= l) {
+ fprintf(stderr,
+ "erresc(38): Incorrect number of parameters (%d)\n",
+ *npar);
+ break;
+ }
+ r = attr[*npar + 2];
+ g = attr[*npar + 3];
+ b = attr[*npar + 4];
+ *npar += 4;
+ if(!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
+ fprintf(stderr, "erresc: bad rgb color (%d,%d,%d)\n",
+ r, g, b);
+ else
+ idx = TRUECOLOR(r, g, b);
+ break;
+ case 5: /* indexed colour */
+ if (*npar + 2 >= l) {
+ fprintf(stderr,
+ "erresc(38): Incorrect number of parameters (%d)\n",
+ *npar);
+ break;
+ }
+ *npar += 2;
+ if(!BETWEEN(attr[*npar], 0, 255))
+ fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
+ else
+ idx = attr[*npar];
+ break;
+ case 0: /* implemented defined (only foreground) */
+ case 1: /* transparent */
+ case 3: /* direct colour in CMY space */
+ case 4: /* direct colour in CMYK space */
+ default:
+ fprintf(stderr,
+ "erresc(38): gfx attr %d unknown\n", attr[*npar]);
+ }
+
+ return idx;
+}
+
void
tsetattr(int *attr, int l) {
int i;
+ ulong idx;
for(i = 0; i < l; i++) {
switch(attr[i]) {
@@ -1665,39 +1721,15 @@ tsetattr(int *attr, int l) {
term.c.attr.mode &= ~ATTR_REVERSE;
break;
case 38:
- if(i + 2 < l && attr[i + 1] == 5) {
- i += 2;
- if(BETWEEN(attr[i], 0, 255)) {
- term.c.attr.fg = attr[i];
- } else {
- fprintf(stderr,
- "erresc: bad fgcolor %d\n",
- attr[i]);
- }
- } else {
- fprintf(stderr,
- "erresc(38): gfx attr %d unknown\n",
- attr[i]);
- }
+ if ((idx = tdefcolor(attr, &i, l)) >= 0)
+ term.c.attr.fg = idx;
break;
case 39:
term.c.attr.fg = defaultfg;
break;
case 48:
- if(i + 2 < l && attr[i + 1] == 5) {
- i += 2;
- if(BETWEEN(attr[i], 0, 255)) {
- term.c.attr.bg = attr[i];
- } else {
- fprintf(stderr,
- "erresc: bad bgcolor %d\n",
- attr[i]);
- }
- } else {
- fprintf(stderr,
- "erresc(48): gfx attr %d unknown\n",
- attr[i]);
- }
+ if ((idx = tdefcolor(attr, &i, l)) >= 0)
+ term.c.attr.bg = idx;
break;
case 49:
term.c.attr.bg = defaultbg;
@@ -2916,7 +2948,7 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
FcPattern *fcpattern, *fontpattern;
FcFontSet *fcsets[] = { NULL };
FcCharSet *fccharset;
- Colour *fg, *bg, *temp, revfg, revbg;
+ Colour *fg, *bg, *temp, revfg, revbg, truefg, truebg;
XRenderColor colfg, colbg;
Rectangle r;
@@ -2936,8 +2968,27 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
if(base.fg == defaultfg)
base.fg = defaultunderline;
}
- fg = &dc.col[base.fg];
- bg = &dc.col[base.bg];
+ if(IS_TRUECOL(base.fg)) {
+ colfg.red = TRUERED(base.fg);
+ colfg.green = TRUEGREEN(base.fg);
+ colfg.blue = TRUEBLUE(base.fg);
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
+ fg = &truefg;
+ } else {
+ fg = &dc.col[base.fg];
+ }
+
+ if(IS_TRUECOL(base.bg)) {
+ colbg.green = TRUEGREEN(base.bg);
+ colbg.red = TRUERED(base.bg);
+ colbg.blue = TRUEBLUE(base.bg);
+ XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
+ bg = &truebg;
+ } else {
+ bg = &dc.col[base.bg];
+ }
+
+
if(base.mode & ATTR_BOLD) {
if(BETWEEN(base.fg, 0, 7)) {