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73a57f8ac8
fltk/test/device.cxx
Albrecht Schlosser b4c15eb8ae Fixed a few GNU compiler warnings (-pedantic): C++ comments in C files, 
extraneous ';' and ',' and an invalid cast.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@8263 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
2011-01-11 20:52:38 +00:00

735 lines
20 KiB
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// Cartesian.H,v 0.9
//
// Copyright 2000 by Roman Kantor.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public License
// version 2 as published by the Free Software Foundation.
//
// This library is distributed 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.
#include <math.h>
#include <FL/Fl.H>
#include <FL/Fl_Overlay_Window.H>
#include <FL/Fl_Light_Button.H>
#include <FL/fl_draw.H>
#include <FL/Fl_Clock.H>
#include "pixmaps/porsche.xpm"
#include <FL/Fl_Pixmap.H>
#include <FL/Fl_Bitmap.H>
#include <FL/Fl_Round_Button.H>
#include <FL/Fl_Printer.H>
//#include "fl_printer_chooser.H"
#include <FL/Fl_File_Chooser.H>
#include <FL/fl_draw.H>
#define sorceress_width 75
#define sorceress_height 75
// shameles copy from bitmap...
static uchar sorceress_bits[] = {
0xfc, 0x7e, 0x40, 0x20, 0x90, 0x00, 0x07, 0x80, 0x23, 0x00, 0x00, 0xc6,
0xc1, 0x41, 0x98, 0xb8, 0x01, 0x07, 0x66, 0x00, 0x15, 0x9f, 0x03, 0x47,
0x8c, 0xc6, 0xdc, 0x7b, 0xcc, 0x00, 0xb0, 0x71, 0x0e, 0x4d, 0x06, 0x66,
0x73, 0x8e, 0x8f, 0x01, 0x18, 0xc4, 0x39, 0x4b, 0x02, 0x23, 0x0c, 0x04,
0x1e, 0x03, 0x0c, 0x08, 0xc7, 0xef, 0x08, 0x30, 0x06, 0x07, 0x1c, 0x02,
0x06, 0x30, 0x18, 0xae, 0xc8, 0x98, 0x3f, 0x78, 0x20, 0x06, 0x02, 0x20,
0x60, 0xa0, 0xc4, 0x1d, 0xc0, 0xff, 0x41, 0x04, 0xfa, 0x63, 0x80, 0xa1,
0xa4, 0x3d, 0x00, 0x84, 0xbf, 0x04, 0x0f, 0x06, 0xfc, 0xa1, 0x34, 0x6b,
0x01, 0x1c, 0xc9, 0x05, 0x06, 0xc7, 0x06, 0xbe, 0x11, 0x1e, 0x43, 0x30,
0x91, 0x05, 0xc3, 0x61, 0x02, 0x30, 0x1b, 0x30, 0xcc, 0x20, 0x11, 0x00,
0xc1, 0x3c, 0x03, 0x20, 0x0a, 0x00, 0xe8, 0x60, 0x21, 0x00, 0x61, 0x1b,
0xc1, 0x63, 0x08, 0xf0, 0xc6, 0xc7, 0x21, 0x03, 0xf8, 0x08, 0xe1, 0xcf,
0x0a, 0xfc, 0x4d, 0x99, 0x43, 0x07, 0x3c, 0x0c, 0xf1, 0x9f, 0x0b, 0xfc,
0x5b, 0x81, 0x47, 0x02, 0x16, 0x04, 0x31, 0x1c, 0x0b, 0x1f, 0x17, 0x89,
0x4d, 0x06, 0x1a, 0x04, 0x31, 0x38, 0x02, 0x07, 0x56, 0x89, 0x49, 0x04,
0x0b, 0x04, 0xb1, 0x72, 0x82, 0xa1, 0x54, 0x9a, 0x49, 0x04, 0x1d, 0x66,
0x50, 0xe7, 0xc2, 0xf0, 0x54, 0x9a, 0x58, 0x04, 0x0d, 0x62, 0xc1, 0x1f,
0x44, 0xfc, 0x51, 0x90, 0x90, 0x04, 0x86, 0x63, 0xe0, 0x74, 0x04, 0xef,
0x31, 0x1a, 0x91, 0x00, 0x02, 0xe2, 0xc1, 0xfd, 0x84, 0xf9, 0x30, 0x0a,
0x91, 0x00, 0x82, 0xa9, 0xc0, 0xb9, 0x84, 0xf9, 0x31, 0x16, 0x81, 0x00,
0x42, 0xa9, 0xdb, 0x7f, 0x0c, 0xff, 0x1c, 0x16, 0x11, 0x00, 0x02, 0x28,
0x0b, 0x07, 0x08, 0x60, 0x1c, 0x02, 0x91, 0x00, 0x46, 0x29, 0x0e, 0x00,
0x00, 0x00, 0x10, 0x16, 0x11, 0x02, 0x06, 0x29, 0x04, 0x00, 0x00, 0x00,
0x10, 0x16, 0x91, 0x06, 0xa6, 0x2a, 0x04, 0x00, 0x00, 0x00, 0x18, 0x24,
0x91, 0x04, 0x86, 0x2a, 0x04, 0x00, 0x00, 0x00, 0x18, 0x27, 0x93, 0x04,
0x96, 0x4a, 0x04, 0x00, 0x00, 0x00, 0x04, 0x02, 0x91, 0x04, 0x86, 0x4a,
0x0c, 0x00, 0x00, 0x00, 0x1e, 0x23, 0x93, 0x04, 0x56, 0x88, 0x08, 0x00,
0x00, 0x00, 0x90, 0x21, 0x93, 0x04, 0x52, 0x0a, 0x09, 0x80, 0x01, 0x00,
0xd0, 0x21, 0x95, 0x04, 0x57, 0x0a, 0x0f, 0x80, 0x27, 0x00, 0xd8, 0x20,
0x9d, 0x04, 0x5d, 0x08, 0x1c, 0x80, 0x67, 0x00, 0xe4, 0x01, 0x85, 0x04,
0x79, 0x8a, 0x3f, 0x00, 0x00, 0x00, 0xf4, 0x11, 0x85, 0x06, 0x39, 0x08,
0x7d, 0x00, 0x00, 0x18, 0xb7, 0x10, 0x81, 0x03, 0x29, 0x12, 0xcb, 0x00,
0x7e, 0x30, 0x28, 0x00, 0x85, 0x03, 0x29, 0x10, 0xbe, 0x81, 0xff, 0x27,
0x0c, 0x10, 0x85, 0x03, 0x29, 0x32, 0xfa, 0xc1, 0xff, 0x27, 0x94, 0x11,
0x85, 0x03, 0x28, 0x20, 0x6c, 0xe1, 0xff, 0x07, 0x0c, 0x01, 0x85, 0x01,
0x28, 0x62, 0x5c, 0xe3, 0x8f, 0x03, 0x4e, 0x91, 0x80, 0x05, 0x39, 0x40,
0xf4, 0xc2, 0xff, 0x00, 0x9f, 0x91, 0x84, 0x05, 0x31, 0xc6, 0xe8, 0x07,
0x7f, 0x80, 0xcd, 0x00, 0xc4, 0x04, 0x31, 0x06, 0xc9, 0x0e, 0x00, 0xc0,
0x48, 0x88, 0xe0, 0x04, 0x79, 0x04, 0xdb, 0x12, 0x00, 0x30, 0x0c, 0xc8,
0xe4, 0x04, 0x6d, 0x06, 0xb6, 0x23, 0x00, 0x18, 0x1c, 0xc0, 0x84, 0x04,
0x25, 0x0c, 0xff, 0xc2, 0x00, 0x4e, 0x06, 0xb0, 0x80, 0x04, 0x3f, 0x8a,
0xb3, 0x83, 0xff, 0xc3, 0x03, 0x91, 0x84, 0x04, 0x2e, 0xd8, 0x0f, 0x3f,
0x00, 0x00, 0x5f, 0x83, 0x84, 0x04, 0x2a, 0x70, 0xfd, 0x7f, 0x00, 0x00,
0xc8, 0xc0, 0x84, 0x04, 0x4b, 0xe2, 0x2f, 0x01, 0x00, 0x08, 0x58, 0x60,
0x80, 0x04, 0x5b, 0x82, 0xff, 0x01, 0x00, 0x08, 0xd0, 0xa0, 0x84, 0x04,
0x72, 0x80, 0xe5, 0x00, 0x00, 0x08, 0xd2, 0x20, 0x44, 0x04, 0xca, 0x02,
0xff, 0x00, 0x00, 0x08, 0xde, 0xa0, 0x44, 0x04, 0x82, 0x02, 0x6d, 0x00,
0x00, 0x08, 0xf6, 0xb0, 0x40, 0x02, 0x82, 0x07, 0x3f, 0x00, 0x00, 0x08,
0x44, 0x58, 0x44, 0x02, 0x93, 0x3f, 0x1f, 0x00, 0x00, 0x30, 0x88, 0x4f,
0x44, 0x03, 0x83, 0x23, 0x3e, 0x00, 0x00, 0x00, 0x18, 0x60, 0xe0, 0x07,
0xe3, 0x0f, 0xfe, 0x00, 0x00, 0x00, 0x70, 0x70, 0xe4, 0x07, 0xc7, 0x1b,
0xfe, 0x01, 0x00, 0x00, 0xe0, 0x3c, 0xe4, 0x07, 0xc7, 0xe3, 0xfe, 0x1f,
0x00, 0x00, 0xff, 0x1f, 0xfc, 0x07, 0xc7, 0x03, 0xf8, 0x33, 0x00, 0xc0,
0xf0, 0x07, 0xff, 0x07, 0x87, 0x02, 0xfc, 0x43, 0x00, 0x60, 0xf0, 0xff,
0xff, 0x07, 0x8f, 0x06, 0xbe, 0x87, 0x00, 0x30, 0xf8, 0xff, 0xff, 0x07,
0x8f, 0x14, 0x9c, 0x8f, 0x00, 0x00, 0xfc, 0xff, 0xff, 0x07, 0x9f, 0x8d,
0x8a, 0x0f, 0x00, 0x00, 0xfe, 0xff, 0xff, 0x07, 0xbf, 0x0b, 0x80, 0x1f,
0x00, 0x00, 0xff, 0xff, 0xff, 0x07, 0x7f, 0x3a, 0x80, 0x3f, 0x00, 0x80,
0xff, 0xff, 0xff, 0x07, 0xff, 0x20, 0xc0, 0x3f, 0x00, 0x80, 0xff, 0xff,
0xff, 0x07, 0xff, 0x01, 0xe0, 0x7f, 0x00, 0xc0, 0xff, 0xff, 0xff, 0x07,
0xff, 0x0f, 0xf8, 0xff, 0x40, 0xe0, 0xff, 0xff, 0xff, 0x07, 0xff, 0xff,
0xff, 0xff, 0x40, 0xf0, 0xff, 0xff, 0xff, 0x07, 0xff, 0xff, 0xff, 0xff,
0x41, 0xf0, 0xff, 0xff, 0xff, 0x07};
class MyWidget: public Fl_Box{
protected:
void draw(){
Fl_Box::draw();
fl_color(FL_RED);
fl_rectf(x()+5,y()+5,w()-10,h()-10);
fl_push_clip(x()+6,y()+6,w()-12,h()-12);
fl_color(FL_DARK_GREEN);
fl_rectf(x()+5,y()+5,w()-10,h()-10);
fl_pop_clip();
fl_color(FL_YELLOW);
fl_rectf(x()+7,y()+7,w()-14,h()-14);
fl_color(FL_BLUE);
fl_rect(x()+8,y()+8,w()-16,h()-16);
fl_push_clip(x()+25,y()+25,w()-50, h()-50);
fl_color(FL_BLACK);
fl_rect(x()+24,y()+24,w()-48,h()-48);
fl_line(x()+27,y()+27,x()+w()-27,y()+h()-27);
fl_line(x()+27,y()+h()-27,x()+w()-27,y()+27);
//fl_rect(x()+30,y()+30,w()-60,h()-60);
fl_pop_clip();
}
public:
MyWidget(int x, int y):Fl_Box(x,y,100,100, "Clipping and rect(f):\nYellow rect.framed\nby B-Y-G-R rect. 1 p.\nthick. Your printer may \nrender very thin lines\nsurrounding \"X\""){
align(FL_ALIGN_TOP);
labelsize(10);
};
};
class MyWidget2: public Fl_Box{
protected:
void draw(){
Fl_Box::draw();
int d;
// fl_line_style(0);
for(d=y()+5;d<48+y();d+=2){
fl_xyline(x()+5,d,x()+48);
}
fl_push_clip(x()+52,y()+5,45,43);
for(d=y()+5;d<150+y();d+=3){
fl_line(x()+52,d,x()+92,d-40);
}
fl_pop_clip();
fl_line_style(FL_DASH);
fl_xyline(x()+5,y()+55,x()+48);
fl_line_style(FL_DOT);
fl_xyline(x()+5,y()+58,x()+48);
fl_line_style(FL_DASHDOT);
fl_xyline(x()+5,y()+61,x()+48);
fl_line_style(FL_DASHDOTDOT);
fl_xyline(x()+5,y()+64,x()+48);
fl_line_style(0,0,(char*)"\7\3\7\2");
fl_xyline(x()+5,y()+67,x()+48);
fl_line_style(0);
fl_line(x()+5,y()+72,x()+25,y()+95);
fl_line(x()+8,y()+72,x()+28,y()+95,x()+31,y()+72);
fl_color(FL_YELLOW);
fl_polygon(x()+11, y()+72,x()+27,y()+91,x()+29,y()+72);
fl_color(FL_RED);
fl_loop(x()+11, y()+72,x()+27,y()+91,x()+29,y()+72);
fl_color(FL_BLUE); ////
fl_line_style(FL_SOLID, 6);
fl_loop(x()+31, y()+12,x()+47,y()+31,x()+49,y()+12);
fl_line_style(0);
fl_color(200,0,200);
fl_polygon(x()+35,y()+72,x()+33,y()+95,x()+48,y()+95,x()+43,y()+72);
fl_color(FL_GREEN);
fl_loop(x()+35,y()+72,x()+33,y()+95,x()+48,y()+95,x()+43,y()+72);
fl_color(FL_BLUE);
fl_yxline(x()+65,y()+63,y()+66);
fl_color(FL_GREEN);
fl_yxline(x()+66,y()+66,y()+63);
fl_color(FL_BLUE);
fl_rect(x()+80,y()+55,5,5);
fl_color(FL_YELLOW);
fl_rectf(x()+81,y()+56,3,3);
fl_color(FL_BLACK);
fl_point(x()+82,y()+57);
fl_color(FL_BLUE);
fl_rect(x()+56, y()+79, 24, 17);
fl_color(FL_CYAN);
fl_rectf(x()+57, y()+80, 22 , 15 );
fl_color(FL_RED);
fl_arc(x()+57, y()+80, 22 ,15 ,40, 270);
fl_color(FL_YELLOW);
fl_pie(x()+58, y()+81, 20 ,13 ,40, 270);
fl_line_style(0);
fl_color(FL_BLACK);
fl_point(x()+58,y()+58);
fl_color(FL_RED);
fl_yxline(x()+59,y()+58,y()+59);
fl_color(FL_GREEN);
fl_yxline(x()+60,y()+59,y()+58);
fl_color(FL_BLACK);
fl_xyline(x()+61,y()+58,x()+62);
fl_color(FL_RED);
fl_xyline(x()+62,y()+59,x()+61);
fl_color(FL_GREEN);
fl_yxline(x()+57,y()+58,y()+59,x()+58);
fl_color(FL_BLUE);
fl_xyline(x()+58,y()+60,x()+56,y()+58);
fl_color(FL_RED);
fl_xyline(x()+58,y()+61,x()+56,y()+63);
fl_color(FL_GREEN);
fl_yxline(x()+57,y()+63,y()+62,x()+58);
fl_color(FL_BLUE);
fl_line(x()+58,y()+63, x()+60, y()+65);
fl_color(FL_BLACK);
fl_line(x()+61,y()+65, x()+59, y()+63);
fl_color(FL_BLACK);
};
public:
MyWidget2(int x, int y):Fl_Box(x,y,100,100, "Integer primitives"){
labelsize(10);
align(FL_ALIGN_TOP);
};
};
class MyWidget3: public Fl_Box{
protected:
void draw(){
Fl_Box::draw();
double d;
// fl_line_style(0);
fl_push_clip(x()+5,y()+5,45,43);
for(d=y()+5;d<95+y();d+=1.63){
fl_begin_line();
fl_vertex(x()+5,d);
fl_vertex(x()+48,d);
fl_end_line();
}
fl_pop_clip();
fl_push_clip(x()+52,y()+5,45,43);
for(d=y()+5;d<150+y();d+=2.3052){
fl_begin_line();
fl_vertex(x()+52,d);
fl_vertex(x()+92,d-43);
fl_end_line();
}
fl_pop_clip();
};
public:
MyWidget3(int x, int y):Fl_Box(x,y,100,100, "Sub-pixel drawing of\nlines 1.63 points apart\nOn the screen you\ncan see aliasing, the\nprinter should render\nthem properly"){
labelsize(10);
align(FL_ALIGN_TOP);
};
};
class MyWidget4: public Fl_Box{
protected:
void draw(){
Fl_Box::draw();
fl_push_matrix();
fl_translate(x(),y());
fl_scale(.75,.75);
fl_line_style(FL_SOLID , 5);
fl_begin_line();
fl_vertex(10, 160);
fl_vertex(40, 160);
fl_vertex(40, 190);
fl_end_line();
fl_line_style(0);
fl_color(FL_RED);
fl_line_style(FL_SOLID | FL_CAP_FLAT |FL_JOIN_MITER , 5);
fl_begin_line();
fl_vertex(10, 150);
fl_vertex(50, 150);
fl_vertex(50, 190);
fl_end_line();
fl_line_style(0);
fl_color(FL_GREEN);
fl_line_style(FL_SOLID | FL_CAP_ROUND |FL_JOIN_ROUND , 5);
fl_begin_line();
fl_vertex(10, 140);
fl_vertex(60, 140);
fl_vertex(60, 190);
fl_end_line();
fl_line_style(0);
fl_color(FL_BLUE);
fl_line_style(FL_SOLID | FL_CAP_SQUARE |FL_JOIN_BEVEL , 5);
fl_begin_line();
fl_vertex(10, 130);
fl_vertex(70, 130);
fl_vertex(70, 190);
fl_end_line();
fl_line_style(0);
fl_color(FL_BLACK);
fl_line_style(FL_DASH , 5);
fl_begin_line();
fl_vertex(10, 120);
fl_vertex(80, 120);
fl_vertex(80, 190);
fl_end_line();
fl_line_style(0);
fl_color(FL_RED);
fl_line_style(FL_DASH |FL_CAP_FLAT , 5);
fl_begin_line();
fl_vertex(10, 110);
fl_vertex(90, 110);
fl_vertex(90, 190);
fl_end_line();
fl_line_style(0);
fl_color(FL_GREEN);
fl_line_style(FL_DASH |FL_CAP_ROUND , 5);
fl_begin_line();
fl_vertex(10, 100);
fl_vertex(100, 100);
fl_vertex(100, 190);
fl_end_line();
fl_line_style(0);
fl_color(FL_BLUE);
fl_line_style(FL_DASH |FL_CAP_SQUARE , 5);
fl_begin_line();
fl_vertex(10, 90);
fl_vertex(110, 90);
fl_vertex(110, 190);
fl_end_line();
fl_line_style(0);
fl_color(FL_BLACK);
fl_line_style(FL_DOT, 5);
fl_begin_line();
fl_vertex(10, 80);
fl_vertex(120, 80);
fl_vertex(120, 190);
fl_end_line();
fl_line_style(0);
fl_color(FL_RED);
fl_line_style(FL_DOT | FL_CAP_FLAT, 5);
fl_begin_line();
fl_vertex(10, 70);
fl_vertex(130, 70);
fl_vertex(130, 190);
fl_end_line();
fl_line_style(0);
fl_color(FL_GREEN);
fl_line_style(FL_DOT | FL_CAP_ROUND, 5);
fl_begin_line();
fl_vertex(10, 60);
fl_vertex(140, 60);
fl_vertex(140, 190);
fl_end_line();
fl_line_style(0);
fl_color(FL_BLUE);
fl_line_style(FL_DOT | FL_CAP_SQUARE, 5);
fl_begin_line();
fl_vertex(10, 50);
fl_vertex(150, 50);
fl_vertex(150, 190);
fl_end_line();
fl_line_style(0);
fl_color(FL_BLACK);
fl_line_style(FL_DASHDOT |FL_CAP_ROUND |FL_JOIN_ROUND , 5);
fl_begin_line();
fl_vertex(10, 40);
fl_vertex(160, 40);
fl_vertex(160, 190);
fl_end_line();
fl_line_style(0);
fl_color(FL_RED);
fl_line_style(FL_DASHDOTDOT |FL_CAP_SQUARE |FL_JOIN_BEVEL , 5);
fl_begin_line();
fl_vertex(10, 30);
fl_vertex(170, 30);
fl_vertex(170, 190);
fl_end_line();
fl_line_style(0);
fl_color(FL_GREEN);
fl_line_style(FL_DASHDOTDOT |FL_CAP_ROUND |FL_JOIN_ROUND , 5);
fl_begin_line();
fl_vertex(10, 20);
fl_vertex(180, 20);
fl_vertex(180, 190);
fl_end_line();
fl_line_style(0);
fl_color(FL_BLUE);
fl_line_style(0, 5, (char*)"\12\3\4\2\2\1");
fl_begin_line();
fl_vertex(10, 10);
fl_vertex(190, 10);
fl_vertex(190, 190);
fl_end_line();
fl_line_style(0);
fl_pop_matrix();
fl_color(FL_BLACK);
};
public:
MyWidget4(int x, int y):Fl_Box(x,y,150,150, "Line styles"){
labelsize(10);
align(FL_ALIGN_TOP);
};
};
class MyWidget5: public Fl_Box{
protected:
void draw(){
Fl_Box::draw();
//fl_push_clip(x(),y(),w(),h());
fl_push_matrix();
fl_translate(x(),y());
fl_push_matrix();
fl_mult_matrix(1,3,0,1,0,-20);
fl_color(FL_GREEN);
fl_begin_polygon();
fl_vertex(10,10);
fl_vertex(100,-80);
fl_vertex(100,-190);
fl_end_polygon();
fl_color(FL_RED);
fl_line_style(FL_DASHDOT, 7);
fl_begin_loop();
fl_vertex(10,10);
fl_vertex(100,-80);
fl_vertex(100,-190);
fl_end_loop();
fl_line_style(0);
fl_color(FL_BLUE);
fl_line_style(FL_SOLID, 3);
fl_begin_loop();
fl_circle(60,-50,30);
fl_end_loop();
fl_line_style(0);
fl_pop_matrix();
fl_scale(1.8,1);
fl_color(FL_YELLOW);
fl_begin_polygon();
fl_arc(30,90,20,-45,200);
fl_end_polygon();
fl_color(FL_BLACK);
fl_line_style(FL_DASH, 3);
fl_begin_line();
fl_arc(30,90,20,-45,200);
fl_end_line();
fl_line_style(0);
fl_translate(15,0);
fl_scale(1.5,3);
fl_begin_complex_polygon();
fl_vertex(30,70);
fl_arc(45,55,10,200,90);
fl_arc(55,45,8,-170,20);
fl_vertex(60,40);
fl_vertex(30,20);
fl_vertex(40,5);
fl_vertex(60,25);
//fl_vertex(50,50);
fl_curve(35,30,30,53,0,35,65,65);
fl_gap();
fl_vertex(50,25);
fl_vertex(40,10);
fl_vertex(35,20);
fl_end_complex_polygon();
fl_pop_matrix();
// fl_color(FL_BLACK);
// fl_line_style(0);
//fl_pop_clip();
};
public:
MyWidget5(int x, int y):Fl_Box(x,y,230,250, "Complex (double) drawings:\nBlue ellipse may not be\ncorrectly transformed\ndue to non-orthogonal\ntransformation"){
labelsize(10);
align(FL_ALIGN_TOP);
};
};
uchar *image;
int width = 80;
int height = 80;
void make_image() {
image = new uchar[4*width*height];
uchar *p = image;
for (int y = 0; y < height; y++) {
double Y = double(y)/(height-1);
for (int x = 0; x < width; x++) {
double X = double(x)/(width-1);
*p++ = uchar(255*((1-X)*(1-Y))); // red in upper-left
*p++ = uchar(255*((1-X)*Y)); // green in lower-left
*p++ = uchar(255*(X*Y)); // blue in lower-right
X -= 0.5;
Y -= 0.5;
int alpha = (int)(350 * sqrt(X * X + Y * Y));
if (alpha < 255) *p++ = uchar(alpha); // alpha transparency
else *p++ = 255;
Y += 0.5;
}
}
}
void print(Fl_Widget *, void *w) {
Fl_Widget * g = (Fl_Widget *)w;
Fl_Printer * p = new Fl_Printer();
//p->page(Fl_Printer::A4);
//p->place(g, 70, 70, p->page_width() - 140, p->page_height() - 140, FL_ALIGN_CENTER);
if (!p->start_job(1)) {
p->start_page();
p->print_widget(g);
p->end_page();
p->end_job();
}
delete p;
}
/*void print2(Fl_Widget *, void *w) {
Fl_Widget * g = (Fl_Widget *)w;
Fl_Printer * p = fl_printer_chooser();
if(!p) return;
p->page(Fl_Printer::A4);
// fitting inside margins 1 inch wide
p->place(g, FL_INCH, FL_INCH, p->page_width() - 2 * FL_INCH, p->page_height() - 2 * FL_INCH, FL_ALIGN_CENTER);
Fl_Device * c = p->set_current();
fl_draw(g);
c->set_current();
delete p;
};*/
class My_Button:public Fl_Button{
protected:
void draw(){
// Fl_Button::draw();
if (type() == FL_HIDDEN_BUTTON) return;
Fl_Color col = value() ? selection_color() : color();
draw_box(value() ? (down_box()?down_box():fl_down(box())) : box(), col);
fl_color(FL_WHITE);
fl_line_style(FL_SOLID,5);
fl_line(x()+15,y()+10,x()+w()-15,y()+h()-23);
fl_line(x()+w()-15,y()+10,x()+15,y()+h()-23);
fl_line_style(0);
draw_label();
};
public:
My_Button(int x, int y, int w, int h, const char * label = 0):Fl_Button(x,y,w,h,label){}
};
int main(int argc, char ** argv) {
//Fl::scheme("plastic");
Fl_Window * w2 = new Fl_Window(500,560,"Graphics test");
Fl_Group *c2 =new Fl_Group(3, 43, 494, 514 );
new MyWidget(10,140);
new MyWidget2(110,80);
new MyWidget3(220,140);
new MyWidget4(330,70);
new MyWidget5(140,270);
make_image();
Fl_RGB_Image *rgb = new Fl_RGB_Image(image, width, height, 4);
My_Button b_rgb(10,245,100,100,"RGB with alpha");
b_rgb.image(rgb);
My_Button b_pixmap(10,345,100,100,"Pixmap");
Fl_Pixmap *pixmap = new Fl_Pixmap(porsche_xpm);
b_pixmap.image(pixmap);
My_Button b_bitmap(10,445,100,100,"Bitmap");
b_bitmap.labelcolor(FL_GREEN);
b_bitmap.image(new Fl_Bitmap(sorceress_bits,sorceress_width,sorceress_height));
new Fl_Clock(360,230,120,120);
Fl_Return_Button * ret = new Fl_Return_Button (360, 360, 120,30, "Return");
ret->deactivate();
Fl_Button but1(360, 390, 30, 30, "@->|");
but1.labelcolor(FL_DARK3);
Fl_Button but2(390, 390, 30, 30, "@UpArrow");
but2.labelcolor(FL_DARK3);
Fl_Button but3(420, 390, 30, 30, "@DnArrow");
but3.labelcolor(FL_DARK3);
Fl_Button but4(450, 390, 30, 30, "@+");
but4.labelcolor(FL_DARK3);
Fl_Button but5(360, 425, 120, 30, "Hello, World");
but5.labelfont(FL_BOLD|FL_ITALIC);
but5.labeltype(FL_SHADOW_LABEL);
but5.box(FL_ROUND_UP_BOX);
// but5.selection_color(FL_WHITE);
Fl_Button but6(360, 460, 120, 30, "Plastic");
but6.box(FL_PLASTIC_UP_BOX);
//Fl_Button but7(, 480, 120, 30, "Engraved box");
//but7.box(FL_ENGRAVED_BOX);
{ Fl_Group* o = new Fl_Group(360, 495, 120, 40);
o->box(FL_UP_BOX);
{ Fl_Group* o = new Fl_Group(365, 500, 110, 30);
o->box(FL_THIN_UP_FRAME);
{ Fl_Round_Button* o = new Fl_Round_Button(365, 500, 40, 30, "rad");
o->value(1);
}
{ Fl_Check_Button* o = new Fl_Check_Button(410, 500, 60, 30, "check");
o->value(1);
}
o->end();
}
o->end();
o->deactivate();
}
Fl_Box tx(120,492,230,50,"Background is not printed because\nencapsulating group, which we are\n printing, has not set the box type");
tx.box(FL_SHADOW_BOX);
tx.labelsize(12);
c2->end();
Fl_Button *b4 = new Fl_Button(10,5, 150, 25, "Print");
b4->callback(print,c2);
/*Fl_Button *b5 = new Fl_Button(165,5, 90, 25, "Print");
b5->tooltip("This is a tooltip");
b5->callback(print2,c2);*/
w2->end();
w2->show(argc, argv);
Fl::run();
return 0;
}
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