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