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 "LColor.h"
  26 #include "lyxfont.h"
  27 #include "lyxrc.h"
  28
  29 #include "support/lstrings.h"
  30
  31 using lyx::support::uppercase;
  32
  33
  34 XPainter::XPainter(XWorkArea & xwa)
  35         : Painter(), owner_(xwa)
  36 {
  37 }
  38
  39
  40 int XPainter::paperWidth() const
  41 {
  42         return owner_.workWidth();
  43 }
  44
  45
  46 int XPainter::paperHeight() const
  47 {
  48         return owner_.workHeight();
  49 }
  50
  51
  52 Painter & XPainter::point(int x, int y, LColor_color c)
  53 {
  54         XDrawPoint(fl_get_display(), owner_.getPixmap(),
  55                 lyxColorHandler->getGCForeground(c), x, y);
  56         return *this;
  57 }
  58
  59
  60 Painter & XPainter::line(int x1, int y1,
  61         int x2, int y2,
  62         LColor_color col,
  63         line_style ls,
  64         line_width lw)
  65 {
  66         XDrawLine(fl_get_display(), owner_.getPixmap(),
  67                 lyxColorHandler->getGCLinepars(ls, lw, col),
  68                 x1, y1, x2, y2);
  69         return *this;
  70 }
  71
  72
  73 Painter & XPainter::lines(int const * xp, int const * yp,
  74         int np,
  75         LColor_color col,
  76         line_style ls,
  77         line_width lw)
  78 {
  79         boost::scoped_array<XPoint> points(new XPoint[np]);
  80
  81         for (int i = 0; i < np; ++i) {
  82                 points[i].x = xp[i];
  83                 points[i].y = yp[i];
  84         }
  85
  86         XDrawLines(fl_get_display(), owner_.getPixmap(),
  87                 lyxColorHandler->getGCLinepars(ls, lw, col),
  88                 points.get(), np, CoordModeOrigin);
  89
  90         return *this;
  91 }
  92
  93
  94 Painter & XPainter::rectangle(int x, int y,
  95         int w, int h,
  96         LColor_color col,
  97         line_style ls,
  98         line_width lw)
  99 {
 100         XDrawRectangle(fl_get_display(), owner_.getPixmap(),
 101                 lyxColorHandler->getGCLinepars(ls, lw, col),
 102                 x, y, w, h);
 103         return *this;
 104 }
 105
 106
 107 Painter & XPainter::fillRectangle(int x, int y,
 108         int w, int h,
 109         LColor_color col)
 110 {
 111         XFillRectangle(fl_get_display(), owner_.getPixmap(),
 112                 lyxColorHandler->getGCForeground(col), x, y, w, h);
 113         return *this;
 114 }
 115
 116
 117 Painter & XPainter::fillPolygon(int const * xp, int const * yp,
 118         int np, LColor_color col)
 119 {
 120         boost::scoped_array<XPoint> points(new XPoint[np]);
 121
 122         for (int i = 0; i < np; ++i) {
 123                 points[i].x = xp[i];
 124                 points[i].y = yp[i];
 125         }
 126
 127         XFillPolygon(fl_get_display(), owner_.getPixmap(),
 128                 lyxColorHandler->getGCForeground(col), points.get(),
 129                 np, Nonconvex, CoordModeOrigin);
 130
 131         return *this;
 132 }
 133
 134
 135 Painter & XPainter::arc(int x, int y,
 136         unsigned int w, unsigned int h,
 137         int a1, int a2, LColor_color col)
 138 {
 139         XDrawArc(fl_get_display(), owner_.getPixmap(),
 140                 lyxColorHandler->getGCForeground(col),
 141                 x, y, w, h, a1, a2);
 142         return *this;
 143 }
 144
 145
 146 Painter & XPainter::image(int x, int y,
 147                           int w, int h,
 148                           lyx::graphics::Image const & i)
 149 {
 150         lyx::graphics::xformsImage const & image =
 151                 static_cast<lyx::graphics::xformsImage const &>(i);
 152
 153         XGCValues val;
 154         val.function = GXcopy;
 155         GC gc = XCreateGC(fl_get_display(), owner_.getPixmap(),
 156                 GCFunction, &val);
 157         XCopyArea(fl_get_display(), image.getPixmap(), owner_.getPixmap(),
 158                 gc, 0, 0, w, h, x, y);
 159         XFreeGC(fl_get_display(), gc);
 160         return *this;
 161 }
 162
 163
 164 Painter & XPainter::text(int x, int y,
 165         string const & s, LyXFont const & f)
 166 {
 167         return text(x, y, s.data(), s.length(), f);
 168 }
 169
 170
 171 Painter & XPainter::text(int x, int y,
 172         char c, LyXFont const & f)
 173 {
 174         char s[2] = { c, '\0' };
 175         return text(x, y, s, 1, f);
 176 }
 177
 178
 179 Painter & XPainter::text(int x, int y,
 180         char const * s, size_t ls,
 181         LyXFont const & f)
 182 {
 183         if (lyxrc.font_norm_type == LyXRC::ISO_10646_1) {
 184                 boost::scoped_array<XChar2b> xs(new XChar2b[ls]);
 185                 Encoding const * encoding = f.language()->encoding();
 186                 LyXFont font(f);
 187                 if (f.isSymbolFont()) {
 188 #ifdef USE_UNICODE_FOR_SYMBOLS
 189                         font.setFamily(LyXFont::ROMAN_FAMILY);
 190                         font.setShape(LyXFont::UP_SHAPE);
 191 #endif
 192                         encoding = encodings.symbol_encoding();
 193                 }
 194                 for (size_t i = 0; i < ls; ++i) {
 195                         Uchar c = encoding->ucs(s[i]);
 196                         xs[i].byte1 = c >> 8;
 197                         xs[i].byte2 = c & 0xff;
 198                 }
 199                 text(x, y, xs.get(), ls, font);
 200                 return *this;
 201         }
 202
 203         GC gc = lyxColorHandler->getGCForeground(f.realColor());
 204         if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
 205                 xfont_metrics::XSetFont(fl_get_display(), gc, f);
 206                 XDrawString(fl_get_display(), owner_.getPixmap(), gc, x, y, s, ls);
 207         } else {
 208                 LyXFont smallfont(f);
 209                 smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
 210                 int tmpx = x;
 211                 for (size_t i = 0; i < ls; ++i) {
 212                         char const c = uppercase(s[i]);
 213                         if (c != s[i]) {
 214                                 xfont_metrics::XSetFont(fl_get_display(), gc, smallfont);
 215                                 XDrawString(fl_get_display(), owner_.getPixmap(), gc,
 216                                         tmpx, y, &c, 1);
 217                                 tmpx += xfont_metrics::XTextWidth(smallfont, &c, 1);
 218                         } else {
 219                                 xfont_metrics::XSetFont(fl_get_display(), gc, f);
 220                                 XDrawString(fl_get_display(), owner_.getPixmap(), gc,
 221                                         tmpx, y, &c, 1);
 222                                 tmpx += xfont_metrics::XTextWidth(f, &c, 1);
 223                         }
 224                 }
 225         }
 226
 227         if (f.underbar() == LyXFont::ON) {
 228                 underline(f, x, y, font_metrics::width(s, ls, f));
 229         }
 230
 231         return *this;
 232 }
 233
 234
 235 Painter & XPainter::text(int x, int y,
 236         XChar2b const * s, size_t ls,
 237         LyXFont const & f)
 238 {
 239         GC gc = lyxColorHandler->getGCForeground(f.realColor());
 240         if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
 241                 xfont_metrics::XSetFont(fl_get_display(), gc, f);
 242                 XDrawString16(fl_get_display(), owner_.getPixmap(), gc, x, y, s, ls);
 243         } else {
 244                 LyXFont smallfont(f);
 245                 smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
 246                 static XChar2b c;
 247                 int tmpx = x;
 248                 for (size_t i = 0; i < ls; ++i) {
 249                         if (s[i].byte1)
 250                                 c = s[i];
 251                         else {
 252                                 c.byte1 = s[i].byte1;
 253                                 c.byte2 = uppercase(s[i].byte2);
 254                         }
 255                         if (c.byte2 != s[i].byte2) {
 256                                 xfont_metrics::XSetFont(fl_get_display(), gc, smallfont);
 257                                 XDrawString16(fl_get_display(), owner_.getPixmap(), gc,
 258                                         tmpx, y, &c, 1);
 259                                 tmpx += xfont_metrics::XTextWidth16(smallfont, &c, 1);
 260                         } else {
 261                                 xfont_metrics::XSetFont(fl_get_display(), gc, f);
 262                                 XDrawString16(fl_get_display(), owner_.getPixmap(), gc,
 263                                         tmpx, y, &c, 1);
 264                                 tmpx += xfont_metrics::XTextWidth16(f, &c, 1);
 265                         }
 266                 }
 267         }
 268
 269         if (f.underbar() == LyXFont::ON) {
 270                 underline(f, x, y, xfont_metrics::width(s, ls, f));
 271         }
 272
 273         return *this;
 274 }