Changes for scheme48 and scx
This commit is contained in:
nofreude
parent
736a828fbe
commit
71fc990882
289
c/xlib/text.c
289
c/xlib/text.c
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@ -1,31 +1,10 @@
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#include "xlib.h"
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#include "scheme48.h"
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extern XDrawText(), XDrawText16();
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static s48_value Sym_1byte, Sym_2byte;
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static Two_Byte (format) s48_value format; {
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Check_Type (format, T_Symbol);
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if (S48_EQ_P(format, Sym_1byte))
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return 0;
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else if (S48_EQ_P(format, Sym_2byte))
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return 1;
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Primitive_Error ("index format must be '1-byte or '2-byte");
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/*NOTREACHED*/
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}
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static Get_1_Byte_Char (x) s48_value x; {
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register c = (int)s48_extract_integer (x);
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if (c < 0 || c > 255)
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Range_Error (x);
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return c;
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}
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static Get_2_Byte_Char (x) s48_value x; {
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register c = (int)s48_extract_integer (x);
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if (c < 0 || c > 65535)
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Range_Error (x);
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return c;
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}
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/* Calculation of text widths and extents should not be done using
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* the Xlib functions. For instance, the values returned by
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@ -33,148 +12,164 @@ static Get_2_Byte_Char (x) s48_value x; {
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* long strings.
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*/
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static s48_value Internal_Text_Metrics (font, t, f, width) s48_value font, t, f; {
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char *s;
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XChar2b *s2;
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XFontStruct *info;
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s48_value *data;
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register i, n;
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int dir, fasc, fdesc;
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Alloca_Begin;
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Check_Type (font, T_Font);
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info = FONT(font)->info;
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Check_Type (t, T_Vector);
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n = S48_VECTOR_LENGTH(t);
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data = VECTOR(t)->data;
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if (Two_Byte (f)) {
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Alloca (s2, XChar2b*, n * sizeof (XChar2b));
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for (i = 0; i < n; i++) {
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register c = Get_2_Byte_Char (data[i]);
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s2[i].byte1 = (c >> 8) & 0xff;
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s2[i].byte2 = c & 0xff;
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s48_value Text_Width(s48_value Xfontstruct, s48_value text, s48_value format){
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char* s;
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XChar2b* s2;
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XFontStruct* font = EXTRACT_XFONTSTRUCT(Xfontstruct);
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int len = (int)S48_VECTOR_LENGHT(text), i, tmp;
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if (s48_extract_integer(format) == 2){
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for (i = 0; i < len; i++){
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tmp = (int)s48_extract_integer(S48_VECTOR_REF(text, i));
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s2[i].byte1 = (tmp >> 8) & 0xff;
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s2[i].byte2 = tmp & 0xff;
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}
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if (width)
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i = XTextWidth16 (info, s2, n);
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else
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XTextExtents16 (info, s2, n, &dir, &fasc, &fdesc, &CI);
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} else {
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Alloca (s, char*, n);
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for (i = 0; i < n; i++)
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s[i] = Get_1_Byte_Char (data[i]);
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if (width)
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i = XTextWidth (info, s, n);
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else
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XTextExtents (info, s, n, &dir, &fasc, &fdesc, &CI);
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i = XTextWidth16(font, s2, len);
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}
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Alloca_End;
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return width ? s48_enter_integer (i) : Record_To_Vector (Char_Info_Rec,
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Char_Info_Size, Sym_Char_Info, FONT(font)->dpy, ~0L);
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else{
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for (i = 0; i < len; i++){
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s[i] = (int)S48_extract_integer(S48_VECTOR_REF(text, i));
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}
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i = XTextWidth(font, s, len);
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}
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return s48_enter_integer((long)i);
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}
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static s48_value P_Text_Width (font, t, f) s48_value font, t, f; {
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return Internal_Text_Metrics (font, t, f, 1);
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}
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static s48_value P_Text_Extents (font, t, f) s48_value font, t, f; {
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return Internal_Text_Metrics (font, t, f, 0);
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}
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static s48_value P_Draw_Image_Text (d, gc, x, y, t, f) s48_value d, gc, x, y, t, f; {
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Display *dpy;
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Drawable dr = Get_Drawable (d, &dpy);
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s48_value *data;
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register i, n;
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char *s;
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XChar2b *s2;
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Alloca_Begin;
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Check_Type (gc, T_Gc);
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Check_Type (t, T_Vector);
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n = S48_VECTOR_LENGTH(t);
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data = VECTOR(t)->data;
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if (Two_Byte (f)) {
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Alloca (s2, XChar2b*, n * sizeof (XChar2b));
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for (i = 0; i < n; i++) {
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register c = Get_2_Byte_Char (data[i]);
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s2[i].byte1 = (c >> 8) & 0xff;
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s2[i].byte2 = c & 0xff;
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s48_value Extents_Text (s48_value Xfontstruct, s48_value text,
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s48_value format, s48_value which){
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char* s;
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XChar2b* s2;
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XFontStruct* font = EXTRACT_XFONTSTRUCT(Xfontstruct);
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XCharStruct CI;
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int len = (int)S48_VECTOR_LENGHT(text), i, tmp, dir, fasc, fdesc;
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if (s48_extract_integer(format) == 2){
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for (i = 0; i < len; i++){
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tmp = (int)s48_extract_integer(S48_VECTOR_REF(text, i));
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s2[i].byte1 = (tmp >> 8) & 0xff;
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s2[i].byte2 = tmp & 0xff;
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}
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XDrawImageString16 (dpy, dr, GCONTEXT(gc)->gc, (int)s48_extract_integer (x),
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(int)s48_extract_integer (y), s2, n);
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} else {
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Alloca (s, char*, n);
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for (i = 0; i < n; i++)
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s[i] = Get_1_Byte_Char (data[i]);
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XDrawImageString (dpy, dr, GCONTEXT(gc)->gc, (int)s48_extract_integer (x),
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(int)s48_extract_integer (y), s, n);
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XTextExtents16(font, s2, len, &dir, &fasc, &fdesc, &CI);
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}else{
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for (i = 0; i < len; i++){
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s[i] = (int)s48_extract_integer(S48_VECTOR_REF(text, i));
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}
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Alloca_End;
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return Void;
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XTextExtents(font, s, len, &dir, &fasc, &fdesc, &CI);
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}
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switch(s48_extract_integer(which)){
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case 0:
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return s48_enter_integer((long) CI.lbearing);
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case 1:
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return s48_enter_integer((long) CI.rbearing);
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case 2:
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return s48_enter_integer((long) CI.width);
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case 3:
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return s48_enter_integer((long) CI.ascent);
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case 4:
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return s48_enter_integer((long) CI.descent);
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}
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return S48_FALSE;
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}
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static s48_value P_Draw_Poly_Text (d, gc, x, y, t, f) s48_value d, gc, x, y, t, f; {
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Display *dpy;
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Drawable dr = Get_Drawable (d, &dpy);
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s48_value *data;
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register i, n, j, k;
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int twobyte, nitems;
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XTextItem *items;
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int (*func)();
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Alloca_Begin;
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Check_Type (gc, T_Gc);
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twobyte = Two_Byte (f);
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func = twobyte ? (int(*)())XDrawText16 : (int(*)())XDrawText;
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Check_Type (t, T_Vector);
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if ((n = S48_VECTOR_LENGTH(t)) == 0)
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return Void;
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for (data = VECTOR(t)->data, i = 0, nitems = 1; i < n; i++)
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if (TYPE(data[i]) == T_Font) nitems++;
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Alloca (items, XTextItem*, nitems * sizeof (XTextItem));
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items[0].delta = 0;
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items[0].font = None;
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for (j = k = i = 0; i <= n; i++) {
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if (i == n || TYPE(data[i]) == T_Font) {
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items[j].nchars = i-k;
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s48_value Draw_Image_Text (s48_value Xdisplay, s48_value Xdrawable,
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s48_value Xgcontext, s48_value x, s48_value y,
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s48_value text, s48_value format){
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int i, len, tmp;
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char* s;
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XChar2b* s2;
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len = S48_VECTOR_LENGTH(text);
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if (s48_extract_integer(format) == 2){
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for (i = 0; i < len; i++) {
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tmp = (int)s48_extract_integer(S48_VECTOR_REF(text, i));
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s2[i].byte1 = (tmp >> 8) & 0xff;
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s2[i].byte2 = tmp & 0xff;
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}
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XDrawImageString16 (EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawable),
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EXTRACT_GCONTEXT(Xgcontext),
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(int)s48_extract_integer(x),
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(int)s48_extract_integer(y), s2, len);
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}else{
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for (i = 0; i < len; i++){
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s[i] = (int)s48_extract_integer(S48_VECTOR_REF(text, i));
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}
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XDrawImageString (EXTRACT_DISPLAY(Xdisplay), EXTRACT_INTEGER(Xdrawable),
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EXTRACT_GCONTEXT(Xgcontext),
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(int)s48_extract_integer(x),
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(int)s48_extract_integer(y), s, len);
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}
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return S48_UNSPECIFIC;
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}
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s48_value Draw_Poly_Text (s48_value Xdisplay, s48_value Xdrawable,
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s48_value Xgcontext, s48_value x, s48_value y,
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s48_value text, s48_value format){
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int i, j, k, len, nitems, set = 0, tmp;
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XTextItem* item;
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s48_value temp_vec;
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int twobyte = (int)s48_extract_integer(format);
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len = S48_VECTOR_LENGTH(text);
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if (!len){
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return S48_UNSPECIFIC;
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}
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// count the strings in text:
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for (i = 0; i < len; i++){
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if (S48_VECTOR_P(S48_VECTOR_REF(text, i))){
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nitems++;
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}
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}
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//XTextItem* item[nitems];
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//Maybe no font as first Element of text?
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if (S48_VECTOR_P(S48_VECTOR_REF(text, 0))){
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item[0].delta = 0;
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item[0].font = None;
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}
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for (i = 0; i < len; i++) {
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if (S48_VECTOR_P(S48_VECTOR_REF(text,i))){
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temp_vec = S48_VECTOR_REF(text,i);
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k = S48_VECTOR_LENGTH(temp_vec);
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item[set].nchars = k;
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if (twobyte) {
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register XChar2b *p;
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Alloca (p, XChar2b*, (i-k) * sizeof (XChar2b));
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((XTextItem16 *)items)[j].chars = p;
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for ( ; k < i; k++, p++) {
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register c = Get_2_Byte_Char (data[k]);
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p->byte1 = (c >> 8) & 0xff;
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p->byte2 = c & 0xff;
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XChar2b s2[k];
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for (j = 0; j < k; j++){
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tmp = (int)s48_extract_integer(S48_VECTOR_REF(temp_vec, j));
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s2[j].byte1 = (tmp >> 8) & 0xff;
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s2[j].byte2 = tmp & 0xff;
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}
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} else {
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register char *p;
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Alloca (p, char*, i-k);
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items[j].chars = p;
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for ( ; k < i; k++)
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*p++ = Get_1_Byte_Char (data[k]);
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(XTextItem16* )item[set].chars = s2;
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}else{
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char s[k];
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for(j = 0; j < k; j++){
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s[j] = (int)s48_extract_integer(S48_VECTOR_REF(temp_vec, j));
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}
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k++;
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j++;
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if (i < n) {
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items[j].delta = 0;
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Open_Font_Maybe (data[i]);
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items[j].font = FONT(data[i])->id;
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item[set].chars = s;
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}
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set++;
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}else{
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item[set].font = EXTRACT_XFONT(S48_VECTOR_REF(text, i));
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item[set].delta = 0;
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}
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}
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if (twobyte){
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XDrawText16(EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawable),
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EXTRACT_GCONTEXT(Xgcontext), (int)s48_extract_integer(x),
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(int)s48_extract_integer(y), (XTextItem16*) item, nitems);
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}else{
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XDrawText(EXTRACT_DISPLAY(Xdisplay), EXTRACT_DRAWABLE(Xdrawable),
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EXTRACT_GCONTEXT(Xgcontext), (int)s48_extract_integer(x),
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(int)s48_extract_integer(y), item, nitems);
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}
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(*func)(dpy, dr, GCONTEXT(gc)->gc, (int)s48_extract_integer (x), (int)s48_extract_integer (y),
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items, nitems);
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Alloca_End;
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return Void;
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return S48_UNSPECIFIC;
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}
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elk_init_xlib_text () {
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Define_Primitive (P_Text_Width, "text-width", 3, 3, EVAL);
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Define_Primitive (P_Text_Extents, "xlib-text-extents", 3, 3, EVAL);
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Define_Primitive (P_Draw_Image_Text, "draw-image-text", 6, 6, EVAL);
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Define_Primitive (P_Draw_Poly_Text, "draw-poly-text", 6, 6, EVAL);
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Define_Symbol (&Sym_1byte, "1-byte");
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Define_Symbol (&Sym_2byte, "2-byte");
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void s48_init_text(void) {
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S48_EXPORT_FUNCTION(Text_Width);
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S48_EXPORT_FUNCTION(Extents_Text);
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S48_EXPORT_FUNCTION(Draw_Image_Text);
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S48_EXPORT_FUNCTION(Draw_Poly_Text);
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}
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