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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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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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|
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#define SCALE 1.2 |
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|
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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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|
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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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|
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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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|
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extern void qt_rvu_get_position(int *x, int *y); |
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|
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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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|
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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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|
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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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|
