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