src/frontends/xforms/XPainter.C

   1 /**
   2  * \file XPainter.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author John Levon
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "XPainter.h"
  15
  16 #include "ColorHandler.h"
  17 #include "xfont_metrics.h"
  18 #include "xformsImage.h"
  19 #include "XWorkArea.h"
  20
  21 #include "font_metrics.h"
  22
  23 #include "encoding.h"
  24 #include "language.h"
  25 #include "lyxfont.h"
  26 #include "lyxrc.h"
  27
  28 #include "support/lstrings.h"
  29
  30 using lyx::support::uppercase;
  31
  32
  33 XPainter::XPainter(XWorkArea & xwa)
  34         : Painter(), owner_(xwa)
  35 {
  36 }
  37
  38
  39 int XPainter::paperWidth() const
  40 {
  41         return owner_.workWidth();
  42 }
  43
  44
  45 int XPainter::paperHeight() const
  46 {
  47         return owner_.workHeight();
  48 }
  49
  50
  51 Painter & XPainter::point(int x, int y, LColor::color c)
  52 {
  53         XDrawPoint(fl_get_display(), owner_.getPixmap(),
  54                 lyxColorHandler->getGCForeground(c), x, y);
  55         return *this;
  56 }
  57
  58
  59 Painter & XPainter::line(int x1, int y1,
  60         int x2, int y2,
  61         LColor::color col,
  62         line_style ls,
  63         line_width lw)
  64 {
  65         XDrawLine(fl_get_display(), owner_.getPixmap(),
  66                 lyxColorHandler->getGCLinepars(ls, lw, col),
  67                 x1, y1, x2, y2);
  68         return *this;
  69 }
  70
  71
  72 Painter & XPainter::lines(int const * xp, int const * yp,
  73         int np,
  74         LColor::color col,
  75         line_style ls,
  76         line_width lw)
  77 {
  78         boost::scoped_array<XPoint> points(new XPoint[np]);
  79
  80         for (int i = 0; i < np; ++i) {
  81                 points[i].x = xp[i];
  82                 points[i].y = yp[i];
  83         }
  84
  85         XDrawLines(fl_get_display(), owner_.getPixmap(),
  86                 lyxColorHandler->getGCLinepars(ls, lw, col),
  87                 points.get(), np, CoordModeOrigin);
  88
  89         return *this;
  90 }
  91
  92
  93 Painter & XPainter::rectangle(int x, int y,
  94         int w, int h,
  95         LColor::color col,
  96         line_style ls,
  97         line_width lw)
  98 {
  99         XDrawRectangle(fl_get_display(), owner_.getPixmap(),
 100                 lyxColorHandler->getGCLinepars(ls, lw, col),
 101                 x, y, w, h);
 102         return *this;
 103 }
 104
 105
 106 Painter & XPainter::fillRectangle(int x, int y,
 107         int w, int h,
 108         LColor::color col)
 109 {
 110         XFillRectangle(fl_get_display(), owner_.getPixmap(),
 111                 lyxColorHandler->getGCForeground(col), x, y, w, h);
 112         return *this;
 113 }
 114
 115
 116 Painter & XPainter::fillPolygon(int const * xp, int const * yp,
 117         int np, LColor::color col)
 118 {
 119         boost::scoped_array<XPoint> points(new XPoint[np]);
 120
 121         for (int i = 0; i < np; ++i) {
 122                 points[i].x = xp[i];
 123                 points[i].y = yp[i];
 124         }
 125
 126         XFillPolygon(fl_get_display(), owner_.getPixmap(),
 127                 lyxColorHandler->getGCForeground(col), points.get(),
 128                 np, Nonconvex, CoordModeOrigin);
 129
 130         return *this;
 131 }
 132
 133
 134 Painter & XPainter::arc(int x, int y,
 135         unsigned int w, unsigned int h,
 136         int a1, int a2, LColor::color col)
 137 {
 138         XDrawArc(fl_get_display(), owner_.getPixmap(),
 139                 lyxColorHandler->getGCForeground(col),
 140                 x, y, w, h, a1, a2);
 141         return *this;
 142 }
 143
 144
 145 Painter & XPainter::image(int x, int y,
 146                           int w, int h,
 147                           lyx::graphics::Image const & i)
 148 {
 149         lyx::graphics::xformsImage const & image =
 150                 static_cast<lyx::graphics::xformsImage const &>(i);
 151
 152         XGCValues val;
 153         val.function = GXcopy;
 154         GC gc = XCreateGC(fl_get_display(), owner_.getPixmap(),
 155                 GCFunction, &val);
 156         XCopyArea(fl_get_display(), image.getPixmap(), owner_.getPixmap(),
 157                 gc, 0, 0, w, h, x, y);
 158         XFreeGC(fl_get_display(), gc);
 159         return *this;
 160 }
 161
 162
 163 Painter & XPainter::text(int x, int y,
 164         string const & s, LyXFont const & f)
 165 {
 166         return text(x, y, s.data(), s.length(), f);
 167 }
 168
 169
 170 Painter & XPainter::text(int x, int y,
 171         char c, LyXFont const & f)
 172 {
 173         char s[2] = { c, '\0' };
 174         return text(x, y, s, 1, f);
 175 }
 176
 177
 178 Painter & XPainter::text(int x, int y,
 179         char const * s, size_t ls,
 180         LyXFont const & f)
 181 {
 182         if (lyxrc.font_norm_type == LyXRC::ISO_10646_1) {
 183                 boost::scoped_array<XChar2b> xs(new XChar2b[ls]);
 184                 Encoding const * encoding = f.language()->encoding();
 185                 LyXFont font(f);
 186                 if (f.isSymbolFont()) {
 187 #ifdef USE_UNICODE_FOR_SYMBOLS
 188                         font.setFamily(LyXFont::ROMAN_FAMILY);
 189                         font.setShape(LyXFont::UP_SHAPE);
 190 #endif
 191                         encoding = encodings.symbol_encoding();
 192                 }
 193                 for (size_t i = 0; i < ls; ++i) {
 194                         Uchar c = encoding->ucs(s[i]);
 195                         xs[i].byte1 = c >> 8;
 196                         xs[i].byte2 = c & 0xff;
 197                 }
 198                 text(x, y, xs.get(), ls, font);
 199                 return *this;
 200         }
 201
 202         GC gc = lyxColorHandler->getGCForeground(f.realColor());
 203         if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
 204                 xfont_metrics::XSetFont(fl_get_display(), gc, f);
 205                 XDrawString(fl_get_display(), owner_.getPixmap(), gc, x, y, s, ls);
 206         } else {
 207                 LyXFont smallfont(f);
 208                 smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
 209                 int tmpx = x;
 210                 for (size_t i = 0; i < ls; ++i) {
 211                         char const c = uppercase(s[i]);
 212                         if (c != s[i]) {
 213                                 xfont_metrics::XSetFont(fl_get_display(), gc, smallfont);
 214                                 XDrawString(fl_get_display(), owner_.getPixmap(), gc,
 215                                         tmpx, y, &c, 1);
 216                                 tmpx += xfont_metrics::XTextWidth(smallfont, &c, 1);
 217                         } else {
 218                                 xfont_metrics::XSetFont(fl_get_display(), gc, f);
 219                                 XDrawString(fl_get_display(), owner_.getPixmap(), gc,
 220                                         tmpx, y, &c, 1);
 221                                 tmpx += xfont_metrics::XTextWidth(f, &c, 1);
 222                         }
 223                 }
 224         }
 225
 226         if (f.underbar() == LyXFont::ON) {
 227                 underline(f, x, y, font_metrics::width(s, ls, f));
 228         }
 229
 230         return *this;
 231 }
 232
 233
 234 Painter & XPainter::text(int x, int y,
 235         XChar2b const * s, size_t ls,
 236         LyXFont const & f)
 237 {
 238         GC gc = lyxColorHandler->getGCForeground(f.realColor());
 239         if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
 240                 xfont_metrics::XSetFont(fl_get_display(), gc, f);
 241                 XDrawString16(fl_get_display(), owner_.getPixmap(), gc, x, y, s, ls);
 242         } else {
 243                 LyXFont smallfont(f);
 244                 smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
 245                 static XChar2b c;
 246                 int tmpx = x;
 247                 for (size_t i = 0; i < ls; ++i) {
 248                         if (s[i].byte1)
 249                                 c = s[i];
 250                         else {
 251                                 c.byte1 = s[i].byte1;
 252                                 c.byte2 = uppercase(s[i].byte2);
 253                         }
 254                         if (c.byte2 != s[i].byte2) {
 255                                 xfont_metrics::XSetFont(fl_get_display(), gc, smallfont);
 256                                 XDrawString16(fl_get_display(), owner_.getPixmap(), gc,
 257                                         tmpx, y, &c, 1);
 258                                 tmpx += xfont_metrics::XTextWidth16(smallfont, &c, 1);
 259                         } else {
 260                                 xfont_metrics::XSetFont(fl_get_display(), gc, f);
 261                                 XDrawString16(fl_get_display(), owner_.getPixmap(), gc,
 262                                         tmpx, y, &c, 1);
 263                                 tmpx += xfont_metrics::XTextWidth16(f, &c, 1);
 264                         }
 265                 }
 266         }
 267
 268         if (f.underbar() == LyXFont::ON) {
 269                 underline(f, x, y, xfont_metrics::width(s, ls, f));
 270         }
 271
 272         return *this;
 273 }