diff options
Diffstat (limited to 'src/roff/troff/node.cc')
| -rw-r--r-- | src/roff/troff/node.cc | 170 |
1 files changed, 161 insertions, 9 deletions
diff --git a/src/roff/troff/node.cc b/src/roff/troff/node.cc index 255c4d28..9102869f 100644 --- a/src/roff/troff/node.cc +++ b/src/roff/troff/node.cc @@ -36,6 +36,7 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "font.h" #include "reg.h" #include "input.h" +#include "geometry.h" #include "nonposix.h" @@ -728,6 +729,8 @@ class troff_output_file : public real_output_file { int current_slant; int current_height; tfont *current_tfont; + color *current_pagecolor; + color *current_glyphcolor; int current_font_number; symbol *font_position; int nfont_positions; @@ -741,6 +744,7 @@ class troff_output_file : public real_output_file { void put(unsigned char c); void put(int i); void put(const char *s); + void put_hex(int i, int length); void set_font(tfont *tf); void flush_tbuf(); public: @@ -767,6 +771,8 @@ public: void draw(char, hvpair *, int, font_size); void determine_line_limits (char code, hvpair *point, int npoints); void check_charinfo(tfont *tf, charinfo *ci); + void glyph_color(color *c); + void fill_color(color *c); int get_hpos() { return hpos; } int get_vpos() { return vpos; } }; @@ -797,6 +803,23 @@ inline void troff_output_file::put(int i) put_string(i_to_a(i), fp); } +inline void troff_output_file::put_hex(int i, int length) +{ + char *a = new char[length+1]; + a[length] = '\0'; + while (length > 0) { + length--; + int j = i % 0x10; + if (j <= 9) + a[length] = '0' + j; + else + a[length] = 'a' + (j - 10); + i /= 0x10; + } + put_string(a, fp); + a_delete a; +} + void troff_output_file::start_special(tfont *tf, int no_init_string) { flush_tbuf(); @@ -931,7 +954,7 @@ void troff_output_file::flush_tbuf() put(' '); } check_output_limits(hpos, vpos); - check_output_limits(hpos, vpos + current_size + current_height); + check_output_limits(hpos, vpos - current_size); for (int i = 0; i < tbuf_len; i++) put(tbuf[i]); @@ -941,15 +964,11 @@ void troff_output_file::flush_tbuf() void troff_output_file::check_charinfo(tfont *tf, charinfo *ci) { - int size = tf->get_size().to_scaled_points(); int height = tf->get_char_height(ci).to_units(); int width = tf->get_width(ci).to_units() + tf->get_italic_correction(ci).to_units(); - int depth = tf->get_char_depth(ci).to_units(); - check_output_limits(output_hpos, - output_vpos - height); - check_output_limits(output_hpos + width, - output_vpos + size + depth); + check_output_limits(output_hpos, output_vpos - height); + check_output_limits(output_hpos + width, output_vpos); } void troff_output_file::put_char_width(charinfo *ci, tfont *tf, hunits w, @@ -1116,6 +1135,36 @@ void troff_output_file::set_font(tfont *tf) current_tfont = tf; } +void troff_output_file::fill_color(color *col) +{ + unsigned int r, g, b; + if ((current_pagecolor == col) || disable_color_flag) + return; + col->get_rgb(&r, &g, &b); + flush_tbuf(); + put("DF ##"); + put_hex(r, 4); + put_hex(g, 4); + put_hex(b, 4); + put('\n'); + current_pagecolor = col; +} + +void troff_output_file::glyph_color(color *col) +{ + unsigned int r, g, b; + if ((current_glyphcolor == col) || disable_color_flag) + return; + col->get_rgb(&r, &g, &b); + flush_tbuf(); + put("m ##"); + put_hex(r, 4); + put_hex(g, 4); + put_hex(b, 4); + put('\n'); + current_glyphcolor = col; +} + // determine_line_limits - works out the smallest box which will contain // the entity, code, built from the point array. void troff_output_file::determine_line_limits(char code, hvpair *point, @@ -1158,8 +1207,37 @@ void troff_output_file::determine_line_limits(char code, hvpair *point, check_output_limits(x, y); } break; + case 'a': + double c[2]; + int p[4]; + int minx, miny, maxx, maxy; + x = output_hpos; + y = output_vpos; + p[0] = point[0].h.to_units(); + p[1] = point[0].v.to_units(); + p[2] = point[1].h.to_units(); + p[3] = point[1].v.to_units(); + if (adjust_arc_center(p, c)) { + check_output_arc_limits(x, y, + p[0], p[1], p[2], p[3], + c[0], c[1], + &minx, &maxx, &miny, &maxy); + check_output_limits(minx, miny); + check_output_limits(maxx, maxy); + break; + } + // fall through + case 'l': + x = output_hpos; + y = output_vpos; + check_output_limits(x, y); + for (i = 0; i < npoints; i++) { + x += point[i].h.to_units(); + y += point[i].v.to_units(); + check_output_limits(x, y); + } + break; default: - // remember this doesn't work for arc.. yet x = output_hpos; y = output_vpos; for (i = 0; i < npoints; i++) { @@ -3590,6 +3668,80 @@ hunits suppress_node::width() return H0; } +/* glyph color_node */ + +glyph_color_node::glyph_color_node(color *col) +: c(col) +{ +} + +int glyph_color_node::same(node *n) +{ + return (c == ((glyph_color_node *)n)->c); +} + +const char *glyph_color_node::type() +{ + return "glyph_color_node"; +} + +int glyph_color_node::force_tprint() +{ + return 0; +} + +node *glyph_color_node::copy() +{ + return new glyph_color_node(c); +} + +hunits glyph_color_node::width() +{ + return H0; +} + +void glyph_color_node::tprint(troff_output_file *out) +{ + out->glyph_color(c); +} + +/* page color_node */ + +fill_color_node::fill_color_node(color *col) +: c(col) +{ +} + +int fill_color_node::same(node *n) +{ + return (c == ((fill_color_node *)n)->c); +} + +const char *fill_color_node::type() +{ + return "fill_color_node"; +} + +int fill_color_node::force_tprint() +{ + return 0; +} + +node *fill_color_node::copy() +{ + return new fill_color_node(c); +} + +hunits fill_color_node::width() +{ + return H0; +} + +void fill_color_node::tprint(troff_output_file *out) +{ + out->fill_color(c); +} + /* composite_node */ class composite_node : public charinfo_node { @@ -5346,7 +5498,7 @@ int symbol_fontno(symbol s) int is_good_fontno(int n) { - return n >= 0 && n < font_table_size && font_table[n] != NULL; + return n >= 0 && n < font_table_size && font_table[n] != 0; } int get_bold_fontno(int n) |