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#ifndef lint
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static const char RCSid[] = "$Id$";
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#endif
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/*
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* qt.c - driver for qt
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*/
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#include "math.h"
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#include "copyright.h"
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#include "standard.h"
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#include "platform.h"
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#include "color.h"
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#include "driver.h"
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#include "rpaint.h"
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#include "color.h"
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static char lastPrompt[1024];
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static const char* currentCommand =0;
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static int abort_render = 0;
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static int progress = 0;
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static int last_total_progress = 0;
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#define GAMMA 2.2 /* default exponent correction */
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static dr_closef_t qt_close;
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static dr_clearf_t qt_clear;
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static dr_paintrf_t qt_paintr;
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static dr_getcurf_t qt_getcur;
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static dr_comoutf_t qt_comout;
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static dr_cominf_t qt_comin;
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static dr_flushf_t qt_flush;
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static struct driver qt_driver = {
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qt_close, qt_clear, qt_paintr, qt_getcur,
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qt_comout, qt_comin, qt_flush, 1.0
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};
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/* functions from qt_rvu_main.cxx */
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extern qt_rvu_init(char*, char*, int*, int* );
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extern qt_resize(int, int);
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extern qt_rvu_paint(int r,int g,int b,int xmin,
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int ymin,int xmax,int ymax);
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extern void qt_flush_display();
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extern int qt_rvu_run();
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extern void qt_window_comout(const char*);
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extern void qt_set_progress(int);
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extern int qt_open_text_dialog(char* , const char*);
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extern struct driver *
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qt_init( /* initialize driver */
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char *name,
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char *id
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)
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{
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lastPrompt[0] = 0;
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make_gmap(GAMMA);
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qt_rvu_init(name, id, &qt_driver.xsiz, &qt_driver.ysiz);
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return(&qt_driver);
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}
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static void
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qt_close(void) /* close our display */
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{
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fprintf(stderr, "Qt close\n");
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}
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static void
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qt_clear( /* clear our display */
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int xres,
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int yres
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)
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{
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qt_resize(xres, yres);
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}
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static void
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qt_paintr( /* fill a rectangle */
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COLOR col,
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int xmin,
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int ymin,
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int xmax,
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int ymax
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)
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{
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uby8 rgb[3];
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map_color(rgb, col);
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qt_rvu_paint(rgb[RED], rgb[GRN], rgb[BLU],
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xmin, ymin, xmax, ymax);
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}
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#define SCALE 1.2
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static void
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qt_flush(void) /* flush output */
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{
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int p;
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if(last_total_progress)
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{
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progress++;
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p = pdepth*10 +
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(int)floor(10 *
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atan( SCALE * progress / last_total_progress) * 2.0/3.141593);
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qt_set_progress(p);
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}
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qt_flush_display();
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}
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static int comincalls = 0;
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static void
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qt_comin( /* read in command line qt gui */
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char *inp,
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char *prompt
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)
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{
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if (prompt && strlen(prompt))
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{
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qt_comout(prompt);
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}
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if(comincalls < 2)
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{
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comincalls++;
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}
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/* if prompt is not set, then use the lastPrompt which
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comes from the last call to comout */
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if(!prompt)
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{
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prompt = lastPrompt;
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}
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/* first time call to qt_comin start qt event loop */
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if(comincalls == 1)
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{
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qt_rvu_run();
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/* when qt is done we are done so exit */
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exit(0);
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}
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/* This code will be called from inside the running
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qt_rvu_run loop in two cases:
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1. when a user enters a new command to the text widget. In
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this case the currentCommand is not null.
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2. when a command calls comin directly, that is the else
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case. */
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if(currentCommand)
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{
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/* A user has entered a new command */
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qt_comout((char*)currentCommand);
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/* copy the user command into inp, set
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currentCommand to null so as not to use it again,
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and then return */
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strcpy(inp, currentCommand);
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currentCommand = 0;
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return;
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}
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else
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{
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/* in this case comin has been called from inside a
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command call like view.
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OK tricky bit here. If the prompt is empty, it
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is just trying to get the user to hit enter so that
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the most recent comout does not scrool away. Since the
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qt interface has a scroll bar we don't have to do that,
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and do not want to prompt the user. Also, if the prompt
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is set to "done: ", then we don't want to prompt the user.
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In other cases we assume that we are inside a command
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that is asking for more input and we use a dialog box
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to get it. */
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if(strlen(prompt) > 0 && strcmp(prompt, "done: ") != 0)
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{
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/* if the user entered new text, then echo that
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to the output window. */
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if(qt_open_text_dialog(inp, prompt))
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{
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qt_window_comout(inp);
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}
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lastPrompt[0] = 0;
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}
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}
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}
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static void
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qt_comout( /* write out string to stdout */
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char *outp
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)
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{
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if (!outp)
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{
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return;
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}
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if (strlen(outp) > 0)
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{
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if(outp[strlen(outp)-2] == ':')
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{
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strcpy(lastPrompt, outp);
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}
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qt_window_comout(outp);
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}
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}
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extern void qt_rvu_get_position(int *x, int *y);
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static int
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qt_getcur( /* get cursor position */
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int *xp,
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int *yp
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)
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{
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qt_rvu_get_position(xp, yp);
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return 0;
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}
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void qt_set_abort(int value)
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{
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dev->inpready = value;
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}
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/* process one command from the GUI */
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void qt_process_command(const char* com)
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{
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char buf[512];
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buf[0] = 0;
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/* set the currentCommand to the command */
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currentCommand = com;
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/* Call command with no prompt, this will in
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turn call qt_comin which will use the currentCommand
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pointer as the command to process */
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command("");
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/* after processing a command try to do a render */
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for ( ; ; )
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{
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if (hresolu <= 1<<pdepth && vresolu <= 1<<pdepth)
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{
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qt_set_progress(100);
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qt_comout("done");
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return;
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}
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errno = 0;
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if (hresolu <= psample<<pdepth && vresolu <= psample<<pdepth)
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{
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sprintf(buf, "%d sampling...\n", 1<<pdepth);
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qt_comout(buf);
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last_total_progress = progress ? progress:1;
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progress = 0;
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rsample();
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}
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else
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{
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sprintf(buf, "%d refining...\n", 1<<pdepth);
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qt_comout(buf);
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last_total_progress = progress ? progress:1;
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progress = 0;
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refine(&ptrunk, pdepth+1);
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}
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if (dev->inpready)
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{
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qt_comout("abort");
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dev->inpready = 0;
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pdepth = 10;
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return;
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}
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/* finished this depth */
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pdepth++;
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}
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}
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|
