3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
16 #include "GWorkArea.h"
21 #include "xftFontLoader.h"
22 #include "xformsImage.h"
23 #include "frontends/font_metrics.h"
24 #include "codeConvert.h"
26 #include "support/lstrings.h"
28 #include <boost/scoped_array.hpp>
30 #include <X11/Xft/Xft.h>
37 GPainter::GPainter(GWorkArea & xwa)
38 : Painter(), owner_(xwa)
43 int GPainter::paperWidth() const
45 return owner_.workWidth();
49 int GPainter::paperHeight() const
51 return owner_.workHeight();
55 void GPainter::setForeground(Glib::RefPtr<Gdk::GC> gc, LColor_color clr)
57 Gdk::Color * gclr = owner_.getColorHandler().getGdkColor(clr);
58 gc->set_foreground(*gclr);
62 void GPainter::setLineParam(Glib::RefPtr<Gdk::GC> gc,
63 line_style ls, line_width lw)
68 case Painter::line_thin:
71 case Painter::line_thick:
77 case Painter::line_solid:
78 style = Gdk::LINE_SOLID;
80 case Painter::line_onoffdash:
81 style = Gdk::LINE_ON_OFF_DASH;
84 gc->set_line_attributes(width, style,
85 Gdk::CAP_NOT_LAST, Gdk::JOIN_MITER);
89 Painter & GPainter::point(int x, int y, LColor_color c)
91 setForeground(owner_.getGC(), c);
92 owner_.getPixmap()->draw_point(owner_.getGC(), x, y);
97 Painter & GPainter::line(int x1, int y1,
103 setForeground(owner_.getGC(), col);
104 setLineParam(owner_.getGC(), ls, lw);
105 owner_.getPixmap()->draw_line(owner_.getGC(), x1, y1, x2, y2);
110 Painter & GPainter::lines(int const * xp, int const * yp,
116 setForeground(owner_.getGC(), col);
117 setLineParam(owner_.getGC(), ls, lw);
118 std::vector<Gdk::Point> points(np);
120 for (int i = 0; i < np; ++i) {
121 points[i].set_x(xp[i]);
122 points[i].set_y(yp[i]);
124 owner_.getPixmap()->draw_lines(owner_.getGC(), points);
129 Painter & GPainter::rectangle(int x, int y,
135 setForeground(owner_.getGC(), col);
136 setLineParam(owner_.getGC(), ls, lw);
137 owner_.getPixmap()->draw_rectangle(owner_.getGC(), false, x, y, w, h);
142 Painter & GPainter::fillRectangle(int x, int y,
146 setForeground(owner_.getGC(), col);
147 owner_.getPixmap()->draw_rectangle(owner_.getGC(), true, x, y, w, h);
152 Painter & GPainter::fillPolygon(int const * xp, int const * yp,
153 int np, LColor_color col)
155 setForeground(owner_.getGC(), col);
156 std::vector<Gdk::Point> points(np);
158 for (int i = 0; i < np; ++i) {
159 points[i].set_x(xp[i]);
160 points[i].set_y(yp[i]);
162 owner_.getPixmap()->draw_polygon(owner_.getGC(), true, points);
167 Painter & GPainter::arc(int x, int y,
168 unsigned int w, unsigned int h,
169 int a1, int a2, LColor_color col)
171 setForeground(owner_.getGC(), col);
172 owner_.getPixmap()->draw_arc(owner_.getGC(),
173 false, x, y, w, h, a1, a2);
178 Painter & GPainter::image(int x, int y,
180 lyx::graphics::Image const & i)
182 lyx::graphics::xformsImage const & image =
183 static_cast<lyx::graphics::xformsImage const &>(i);
184 Pixmap pixmap = GDK_PIXMAP_XID(owner_.getPixmap()->gobj());
185 GC gc = GDK_GC_XGC(owner_.getGC()->gobj());
186 XCopyArea(owner_.getDisplay(), image.getPixmap(), pixmap,
187 gc, 0, 0, w, h, x, y);
192 Painter & GPainter::text(int x, int y,
193 std::string const & s, LyXFont const & f)
195 size_t size = s.length() + 1;
196 wchar_t * wcs = (wchar_t *) alloca(size * sizeof(wchar_t));
197 size = mbstowcs(wcs, s.c_str(), size);
198 return text(x, y, wcs, size, f);
202 Painter & GPainter::text(int x, int y,
203 char c, LyXFont const & f)
205 char s[2] = { c, '\0' };
206 return text(x, y, s, 1, f);
210 inline XftFont * getXftFont(LyXFont const & f)
212 return fontLoader.load(f.family(), f.series(),
213 f.realShape(), f.size());
217 namespace font_metrics
220 int width(wchar_t const *s, size_t n, LyXFont const & f);
225 Painter & GPainter::text(int x, int y, wchar_t const * s, int ls,
228 XftFont * font = getXftFont(f);
229 XftColor * xftClr = owner_.getColorHandler().
230 getXftColor(f.realColor());
231 // getXftColor(f.realColor());
232 XftDraw * draw = owner_.getXftDraw();
233 if (f.realShape() != LyXFont::SMALLCAPS_SHAPE) {
234 XftDrawString32(draw, xftClr, font, x, y,
235 wcsToXftChar32StrFast(s), ls);
237 LyXFont smallfont(f);
238 smallfont.decSize().decSize().setShape(LyXFont::UP_SHAPE);
239 XftFont * fontS = getXftFont(smallfont);
242 for(int i = 0; i < ls; ++i) {
243 c = lyx::support::uppercase(s[i]);
245 XftDrawString32(draw, xftClr, fontS, tmpx, y,
246 wcsToXftChar32StrFast(&c), 1);
247 tmpx += font_metrics::width(c, smallfont);
249 XftDrawString32(draw, xftClr, font, tmpx, y,
250 wcsToXftChar32StrFast(&c), 1);
251 tmpx += font_metrics::width(c, f);
255 if (f.underbar() == LyXFont::ON)
256 underline(f, x, y, font_metrics::width(s, ls, f));
261 Painter & GPainter::text(int x, int y,
262 char const * s, size_t ls,
265 boost::scoped_array<wchar_t> wcs(new wchar_t[ls + 1]);
267 if (fontLoader.isSpecial(f)) {
268 unsigned char const * us =
269 reinterpret_cast<unsigned char const *>(s);
271 std::copy(us, us + ls, wcs.get());
273 len = mbstowcs(wcs.get(), s, ls + 1);
274 return text(x, y, wcs.get(), len, f);