src/qtrvu/qt.c

#ifndef lint
static const char       RCSid[] = "$Id$";
#endif
/*
 *  qt.c - driver for qt
 */
#include "math.h"
#include "copyright.h"
#include  "standard.h"
#include  "platform.h"
#include  "color.h"
#include  "driver.h"
#include  "rpaint.h"
#include "color.h"

static char lastPrompt[1024];
static const char* currentCommand =0;
static int abort_render = 0;
static int progress = 0;
static int last_total_progress = 0;
#define GAMMA           2.2             /* default exponent correction */

static dr_closef_t qt_close;
static dr_clearf_t qt_clear;
static dr_paintrf_t qt_paintr;
static dr_getcurf_t qt_getcur;
static dr_comoutf_t qt_comout;
static dr_cominf_t qt_comin;
static dr_flushf_t qt_flush;

static struct driver  qt_driver = {
  qt_close, qt_clear, qt_paintr, qt_getcur,
  qt_comout, qt_comin, qt_flush, 1.0
};

/* functions from qt_rvu_main.cxx */
extern qt_rvu_init(char*, char*, int*, int* );
extern qt_resize(int, int);
extern qt_rvu_paint(int r,int g,int b,int xmin,
                    int ymin,int xmax,int ymax);
extern void qt_flush_display();
extern int qt_rvu_run();
extern void qt_window_comout(const char*);
extern void qt_set_progress(int);
extern int qt_open_text_dialog(char* , const char*);

extern struct driver *
qt_init(                /* initialize driver */
  char  *name,
  char  *id
)
{
  lastPrompt[0] = 0;
  make_gmap(GAMMA);
  qt_rvu_init(name, id, &qt_driver.xsiz, &qt_driver.ysiz);
  return(&qt_driver);
}


static void
qt_close(void)                  /* close our display */
{
  fprintf(stderr, "Qt close\n");
}

static void
qt_clear(                       /* clear our display */
  int  xres,
  int  yres
)
{
  qt_resize(xres, yres);
}


static void
qt_paintr(              /* fill a rectangle */
  COLOR  col,
  int  xmin,
  int  ymin,
  int  xmax,
  int  ymax
)
{
  uby8 rgb[3];
  map_color(rgb, col);
  qt_rvu_paint(rgb[RED], rgb[GRN], rgb[BLU],
               xmin, ymin, xmax, ymax);
}

#define SCALE 1.2

static void
qt_flush(void)                  /* flush output */
{
  int p;
  if(last_total_progress)
    {
    progress++;
    p = pdepth*10 +
      (int)floor(10 *
                 atan( SCALE * progress / last_total_progress) * 2.0/3.141593);
    qt_set_progress(p);
    }
  qt_flush_display();
}


static int comincalls = 0;
static void
qt_comin(               /* read in command line qt gui */
  char  *inp,
  char  *prompt
)
{
  if (prompt && strlen(prompt))
    {
    qt_comout(prompt);
    }
  if(comincalls < 2)
    {
    comincalls++;
    }
  /* if prompt is not set, then use the lastPrompt which
     comes from the last call to comout */
  if(!prompt)
    {
    prompt = lastPrompt;
    }
  /* first time call to qt_comin start qt event loop */
  if(comincalls == 1)
    {
    qt_rvu_run();
    /* when qt is done we are done so exit */
    exit(0);
    }
  /* This code will be called from inside the running
     qt_rvu_run loop in two cases:
     1. when a user enters a new command to the text widget. In
     this case the currentCommand is not null.
     2. when a command calls comin directly, that is the else
     case. */
  if(currentCommand)
    {
    /* A user has entered a new command */
    qt_comout((char*)currentCommand);
    /* copy the user command into inp, set
       currentCommand to null so as not to use it again,
       and then return */
    strcpy(inp, currentCommand);
    currentCommand = 0;
    return;
    }
  else
    {
    /* in this case comin has been called from inside a
       command call like view.
       OK tricky bit here.  If the prompt is empty, it
       is just trying to get the user to hit enter so that
       the most recent comout does not scrool away. Since the
       qt interface has a scroll bar we don't have to do that,
       and do not want to prompt the user. Also, if the prompt
       is set to "done: ", then we don't want to prompt the user.
       In other cases we assume that we are inside a command
       that is asking for more input and we use a dialog box
       to get it. */
    if(strlen(prompt) > 0 && strcmp(prompt, "done: ") != 0)
      {
      /* if the user entered new text, then echo that
         to the output window. */
      if(qt_open_text_dialog(inp, prompt))
        {
        qt_window_comout(inp);
        }
      lastPrompt[0] = 0;
      }
    }
}

static void
qt_comout(              /* write out string to stdout */
  char  *outp
)
{
  if (!outp)
    {
    return;
    }
  if (strlen(outp) > 0)
    {
    if(outp[strlen(outp)-2] == ':')
      {
      strcpy(lastPrompt, outp);
      }
    qt_window_comout(outp);
    }
}

extern void qt_rvu_get_position(int *x, int *y);

static int
qt_getcur(              /* get cursor position */
  int  *xp,
  int  *yp
)
{
  qt_rvu_get_position(xp, yp);
  return 0;
}

void qt_set_abort(int value)
{
  dev->inpready = value;
}


/* process one command from the GUI */
void qt_process_command(const char* com)
{
  char  buf[512];
  buf[0] = 0;
  /* set the currentCommand to the command */
  currentCommand = com;
  /* Call command with no prompt, this will in
     turn call qt_comin which will use the currentCommand
     pointer as the command to process */
  command("");
  /* after processing a command try to do a render */
  for ( ; ; )
    {
    if (hresolu <= 1<<pdepth && vresolu <= 1<<pdepth)
      {
      qt_set_progress(100);
      qt_comout("done");
      return;
      }
    errno = 0;
    if (hresolu <= psample<<pdepth && vresolu <= psample<<pdepth)
      {
      sprintf(buf, "%d sampling...\n", 1<<pdepth);
      qt_comout(buf);
      last_total_progress = progress ? progress:1;
      progress = 0;
      rsample();
      }
    else
      {
      sprintf(buf, "%d refining...\n", 1<<pdepth);
      qt_comout(buf);
      last_total_progress = progress ? progress:1;
      progress = 0;
      refine(&ptrunk, pdepth+1);
      }
    if (dev->inpready)
      {
      qt_comout("abort");
      dev->inpready = 0;
      pdepth = 10;
      return;
      }
    /* finished this depth */
    pdepth++;
    }
}

Revision:	1.1
Committed:	Sat Oct 22 22:38:10 2011 UTC (14 years ago) by greg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	rad5R4, rad5R2, rad5R3, rad5R0, rad5R1, rad4R2, rad6R0, rad4R1, rad4R2P1, rad4R2P2, HEAD
Log Message:	Added qt interface for rvu and cmake files from Bill Hoffman
#	User	Rev	Content
1	greg	1.1	#ifndef lint
2			static const char RCSid[] = "$Id$";
3			#endif
4			/*
5			* qt.c - driver for qt
6			*/
7			#include "math.h"
8			#include "copyright.h"
9			#include "standard.h"
10			#include "platform.h"
11			#include "color.h"
12			#include "driver.h"
13			#include "rpaint.h"
14			#include "color.h"
15
16			static char lastPrompt[1024];
17			static const char* currentCommand =0;
18			static int abort_render = 0;
19			static int progress = 0;
20			static int last_total_progress = 0;
21			#define GAMMA 2.2 /* default exponent correction */
22
23			static dr_closef_t qt_close;
24			static dr_clearf_t qt_clear;
25			static dr_paintrf_t qt_paintr;
26			static dr_getcurf_t qt_getcur;
27			static dr_comoutf_t qt_comout;
28			static dr_cominf_t qt_comin;
29			static dr_flushf_t qt_flush;
30
31			static struct driver qt_driver = {
32			qt_close, qt_clear, qt_paintr, qt_getcur,
33			qt_comout, qt_comin, qt_flush, 1.0
34			};
35
36			/* functions from qt_rvu_main.cxx */
37			extern qt_rvu_init(char, char, int, int );
38			extern qt_resize(int, int);
39			extern qt_rvu_paint(int r,int g,int b,int xmin,
40			int ymin,int xmax,int ymax);
41			extern void qt_flush_display();
42			extern int qt_rvu_run();
43			extern void qt_window_comout(const char*);
44			extern void qt_set_progress(int);
45			extern int qt_open_text_dialog(char* , const char*);
46
47			extern struct driver *
48			qt_init( /* initialize driver */
49			char *name,
50			char *id
51			)
52			{
53			lastPrompt[0] = 0;
54			make_gmap(GAMMA);
55			qt_rvu_init(name, id, &qt_driver.xsiz, &qt_driver.ysiz);
56			return(&qt_driver);
57			}
58
59
60			static void
61			qt_close(void) /* close our display */
62			{
63			fprintf(stderr, "Qt close\n");
64			}
65
66			static void
67			qt_clear( /* clear our display */
68			int xres,
69			int yres
70			)
71			{
72			qt_resize(xres, yres);
73			}
74
75
76			static void
77			qt_paintr( /* fill a rectangle */
78			COLOR col,
79			int xmin,
80			int ymin,
81			int xmax,
82			int ymax
83			)
84			{
85			uby8 rgb[3];
86			map_color(rgb, col);
87			qt_rvu_paint(rgb[RED], rgb[GRN], rgb[BLU],
88			xmin, ymin, xmax, ymax);
89			}
90
91			#define SCALE 1.2
92
93			static void
94			qt_flush(void) /* flush output */
95			{
96			int p;
97			if(last_total_progress)
98			{
99			progress++;
100			p = pdepth*10 +
101			(int)floor(10 *
102			atan( SCALE * progress / last_total_progress) * 2.0/3.141593);
103			qt_set_progress(p);
104			}
105			qt_flush_display();
106			}
107
108
109			static int comincalls = 0;
110			static void
111			qt_comin( /* read in command line qt gui */
112			char *inp,
113			char *prompt
114			)
115			{
116			if (prompt && strlen(prompt))
117			{
118			qt_comout(prompt);
119			}
120			if(comincalls < 2)
121			{
122			comincalls++;
123			}
124			/* if prompt is not set, then use the lastPrompt which
125			comes from the last call to comout */
126			if(!prompt)
127			{
128			prompt = lastPrompt;
129			}
130			/* first time call to qt_comin start qt event loop */
131			if(comincalls == 1)
132			{
133			qt_rvu_run();
134			/* when qt is done we are done so exit */
135			exit(0);
136			}
137			/* This code will be called from inside the running
138			qt_rvu_run loop in two cases:
139			1. when a user enters a new command to the text widget. In
140			this case the currentCommand is not null.
141			2. when a command calls comin directly, that is the else
142			case. */
143			if(currentCommand)
144			{
145			/* A user has entered a new command */
146			qt_comout((char*)currentCommand);
147			/* copy the user command into inp, set
148			currentCommand to null so as not to use it again,
149			and then return */
150			strcpy(inp, currentCommand);
151			currentCommand = 0;
152			return;
153			}
154			else
155			{
156			/* in this case comin has been called from inside a
157			command call like view.
158			OK tricky bit here. If the prompt is empty, it
159			is just trying to get the user to hit enter so that
160			the most recent comout does not scrool away. Since the
161			qt interface has a scroll bar we don't have to do that,
162			and do not want to prompt the user. Also, if the prompt
163			is set to "done: ", then we don't want to prompt the user.
164			In other cases we assume that we are inside a command
165			that is asking for more input and we use a dialog box
166			to get it. */
167			if(strlen(prompt) > 0 && strcmp(prompt, "done: ") != 0)
168			{
169			/* if the user entered new text, then echo that
170			to the output window. */
171			if(qt_open_text_dialog(inp, prompt))
172			{
173			qt_window_comout(inp);
174			}
175			lastPrompt[0] = 0;
176			}
177			}
178			}
179
180			static void
181			qt_comout( /* write out string to stdout */
182			char *outp
183			)
184			{
185			if (!outp)
186			{
187			return;
188			}
189			if (strlen(outp) > 0)
190			{
191			if(outp[strlen(outp)-2] == ':')
192			{
193			strcpy(lastPrompt, outp);
194			}
195			qt_window_comout(outp);
196			}
197			}
198
199			extern void qt_rvu_get_position(int x, int y);
200
201			static int
202			qt_getcur( /* get cursor position */
203			int *xp,
204			int *yp
205			)
206			{
207			qt_rvu_get_position(xp, yp);
208			return 0;
209			}
210
211			void qt_set_abort(int value)
212			{
213			dev->inpready = value;
214			}
215
216
217			/* process one command from the GUI */
218			void qt_process_command(const char* com)
219			{
220			char buf[512];
221			buf[0] = 0;
222			/* set the currentCommand to the command */
223			currentCommand = com;
224			/* Call command with no prompt, this will in
225			turn call qt_comin which will use the currentCommand
226			pointer as the command to process */
227			command("");
228			/* after processing a command try to do a render */
229			for ( ; ; )
230			{
231			if (hresolu <= 1<<pdepth && vresolu <= 1<<pdepth)
232			{
233			qt_set_progress(100);
234			qt_comout("done");
235			return;
236			}
237			errno = 0;
238			if (hresolu <= psample<<pdepth && vresolu <= psample<<pdepth)
239			{
240			sprintf(buf, "%d sampling...\n", 1<<pdepth);
241			qt_comout(buf);
242			last_total_progress = progress ? progress:1;
243			progress = 0;
244			rsample();
245			}
246			else
247			{
248			sprintf(buf, "%d refining...\n", 1<<pdepth);
249			qt_comout(buf);
250			last_total_progress = progress ? progress:1;
251			progress = 0;
252			refine(&ptrunk, pdepth+1);
253			}
254			if (dev->inpready)
255			{
256			qt_comout("abort");
257			dev->inpready = 0;
258			pdepth = 10;
259			return;
260			}
261			/* finished this depth */
262			pdepth++;
263			}
264			}
265