From a6163888f3c56123b1db313743c6147ba498732c Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Fri, 8 Aug 2014 14:42:07 +0300 Subject: Add third_party libs --- third_party/windows/fltk-1.1.10/src/gl_draw.cxx | 223 ++++++++++++++++++++++++ 1 file changed, 223 insertions(+) create mode 100644 third_party/windows/fltk-1.1.10/src/gl_draw.cxx (limited to 'third_party/windows/fltk-1.1.10/src/gl_draw.cxx') diff --git a/third_party/windows/fltk-1.1.10/src/gl_draw.cxx b/third_party/windows/fltk-1.1.10/src/gl_draw.cxx new file mode 100644 index 0000000..3e1ac8b --- /dev/null +++ b/third_party/windows/fltk-1.1.10/src/gl_draw.cxx @@ -0,0 +1,223 @@ +// +// "$Id: gl_draw.cxx 5190 2006-06-09 16:16:34Z mike $" +// +// OpenGL drawing support routines for the Fast Light Tool Kit (FLTK). +// +// Copyright 1998-2005 by Bill Spitzak and others. +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Library General Public +// License as published by the Free Software Foundation; either +// version 2 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Library General Public License for more details. +// +// You should have received a copy of the GNU Library General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +// USA. +// +// Please report all bugs and problems on the following page: +// +// http://www.fltk.org/str.php +// + +// Functions from +// See also Fl_Gl_Window and gl_start.cxx + +#include "flstring.h" +#if HAVE_GL + +#include +#include +#include +#include +#include "Fl_Gl_Choice.H" +#include "Fl_Font.H" + +#if USE_XFT +extern XFontStruct* fl_xxfont(); +#endif // USE_XFT + +int gl_height() {return fl_height();} +int gl_descent() {return fl_descent();} +double gl_width(const char* s) {return fl_width(s);} +double gl_width(const char* s, int n) {return fl_width(s,n);} +double gl_width(uchar c) {return fl_width(c);} + +void gl_font(int fontid, int size) { + fl_font(fontid, size); + if (!fl_fontsize->listbase) { +#ifdef WIN32 + int base = fl_fontsize->metr.tmFirstChar; + int count = fl_fontsize->metr.tmLastChar-base+1; + HFONT oldFid = (HFONT)SelectObject(fl_gc, fl_fontsize->fid); + fl_fontsize->listbase = glGenLists(256); + wglUseFontBitmaps(fl_gc, base, count, fl_fontsize->listbase+base); + SelectObject(fl_gc, oldFid); +#elif defined(__APPLE_QD__) + // undefined characters automatically receive an empty GL list in aglUseFont + fl_fontsize->listbase = glGenLists(256); + aglUseFont(aglGetCurrentContext(), fl_fontsize->font, fl_fontsize->face, + fl_fontsize->size, 0, 256, fl_fontsize->listbase); +#elif defined(__APPLE_QUARTZ__) + short font, face, size; + uchar fn[256]; + fn[0]=strlen(fl_fontsize->q_name); + strcpy((char*)(fn+1), fl_fontsize->q_name); + GetFNum(fn, &font); + face = 0; + size = fl_fontsize->size; + fl_fontsize->listbase = glGenLists(256); + aglUseFont(aglGetCurrentContext(), font, face, + size, 0, 256, fl_fontsize->listbase); +#else +# if USE_XFT + fl_xfont = fl_xxfont(); +# endif // USE_XFT + int base = fl_xfont->min_char_or_byte2; + int count = fl_xfont->max_char_or_byte2-base+1; + fl_fontsize->listbase = glGenLists(256); + glXUseXFont(fl_xfont->fid, base, count, fl_fontsize->listbase+base); +#endif + } + glListBase(fl_fontsize->listbase); +} + + +void gl_remove_displaylist_fonts() +{ +# if HAVE_GL + + // clear variables used mostly in fl_font + fl_font_ = 0; + fl_size_ = 0; + + for (int j = 0 ; j < FL_FREE_FONT ; ++j) + { + Fl_FontSize* past = 0; + Fl_Fontdesc* s = fl_fonts + j ; + Fl_FontSize* f = s->first; + while (f != 0) { + if(f->listbase) { + if(f == s->first) { + s->first = f->next; + } + else { + past->next = f->next; + } + + // It would be nice if this next line was in a descturctor somewhere + glDeleteLists(f->listbase, 256); + + Fl_FontSize* tmp = f; + f = f->next; + delete tmp; + } + else { + past = f; + f = f->next; + } + } + } + +#endif +} + +void gl_draw(const char* str, int n) { + glCallLists(n, GL_UNSIGNED_BYTE, str); +} + +void gl_draw(const char* str, int n, int x, int y) { + glRasterPos2i(x, y); + gl_draw(str, n); +} + +void gl_draw(const char* str, int n, float x, float y) { + glRasterPos2f(x, y); + gl_draw(str, n); +} + +void gl_draw(const char* str) { + gl_draw(str, strlen(str)); +} + +void gl_draw(const char* str, int x, int y) { + gl_draw(str, strlen(str), x, y); +} + +void gl_draw(const char* str, float x, float y) { + gl_draw(str, strlen(str), x, y); +} + +static void gl_draw_invert(const char* str, int n, int x, int y) { + glRasterPos2i(x, -y); + gl_draw(str, n); +} + +void gl_draw( + const char* str, // the (multi-line) string + int x, int y, int w, int h, // bounding box + Fl_Align align) { + fl_draw(str, x, -y-h, w, h, align, gl_draw_invert); +} + +void gl_measure(const char* str, int& x, int& y) {fl_measure(str,x,y);} + +void gl_rect(int x, int y, int w, int h) { + if (w < 0) {w = -w; x = x-w;} + if (h < 0) {h = -h; y = y-h;} + glBegin(GL_LINE_STRIP); + glVertex2i(x+w-1, y+h-1); + glVertex2i(x+w-1, y); + glVertex2i(x, y); + glVertex2i(x, y+h-1); + glVertex2i(x+w, y+h-1); + glEnd(); +} + +#if HAVE_GL_OVERLAY +extern uchar fl_overlay; +extern int fl_overlay_depth; +#endif + +void gl_color(Fl_Color i) { +#if HAVE_GL_OVERLAY +#ifdef WIN32 + if (fl_overlay && fl_overlay_depth) { + if (fl_overlay_depth < 8) { + // only black & white produce the expected colors. This could + // be improved by fixing the colormap set in Fl_Gl_Overlay.cxx + int size = 1<= size-2) glIndexi(size-1); + else glIndexi(i); + } else { + glIndexi(i ? i : FL_GRAY_RAMP); + } + return; + } +#else + if (fl_overlay) {glIndexi(int(fl_xpixel(i))); return;} +#endif +#endif + uchar red, green, blue; + Fl::get_color(i, red, green, blue); + glColor3ub(red, green, blue); +} + +void gl_draw_image(const uchar* b, int x, int y, int w, int h, int d, int ld) { + if (!ld) ld = w*d; + glPixelStorei(GL_UNPACK_ROW_LENGTH, ld/d); + glRasterPos2i(x,y); + glDrawPixels(w,h,d<4?GL_RGB:GL_RGBA,GL_UNSIGNED_BYTE,(const ulong*)b); +} + +#endif + +// +// End of "$Id: gl_draw.cxx 5190 2006-06-09 16:16:34Z mike $". +// -- cgit v1.3.1