diff options
Diffstat (limited to 'sane.c')
| -rw-r--r-- | sane.c | 325 |
1 files changed, 0 insertions, 325 deletions
@@ -1,325 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <stddef.h> -#include <string.h> -#include <errno.h> -#include <sane/sane.h> -#include <sane/saneopts.h> - -#include "readers.h" -#include "viewer.h" -#include "sane.h" -#include "ida.h" - -#include <X11/Intrinsic.h> -#include <Xm/Xm.h> -#include <Xm/PushB.h> -#include <Xm/CascadeB.h> -#include <Xm/RowColumn.h> - -extern int sane_res; - -/* ---------------------------------------------------------------------- */ - -static void -build_menu(Widget widget, XtPointer clientdata, XtPointer call_data) -{ - WidgetList children,wlist; - Cardinal nchildren; - const SANE_Device **list; - Widget push; - XmString str; - char action[256]; - int rc,i; - - /* del old */ - XtVaGetValues(widget, - XtNchildren,&children, - XtNnumChildren,&nchildren, - NULL); - wlist = malloc(sizeof(Widget*)*nchildren); - memcpy(wlist,children,sizeof(Widget*)*nchildren); - for (i = 0; i < nchildren; i++) - XtDestroyWidget(wlist[i]); - free(wlist); - - /* create new */ - if (SANE_STATUS_GOOD != (rc = sane_init(NULL,NULL))) { - fprintf(stderr,"sane_init: %s\n",sane_strstatus(rc)); - goto done; - } - sane_get_devices(&list,0); - if (NULL == list[0]) - goto done; - - for (i = 0; list[i] != NULL; i++) { - if (debug) - fprintf(stderr,"sane dev: %s | %s | %s | %s\n", - list[i]->name, list[i]->vendor, - list[i]->model, list[i]->type); - str = XmStringGenerate((char*)list[i]->model, - NULL, XmMULTIBYTE_TEXT, NULL); - push = XtVaCreateManagedWidget(list[i]->name, - xmPushButtonWidgetClass,widget, - XmNlabelString,str, - NULL); - XmStringFree(str); - sprintf(action,"Scan(%s)",list[i]->name); - XtAddCallback(push,XmNactivateCallback,action_cb,strdup(action)); - } - - done: - sane_exit(); -} - -void -sane_menu(Widget menu) -{ - Widget submenu; - int rc; - - if (SANE_STATUS_GOOD != (rc = sane_init(NULL,NULL))) { - fprintf(stderr,"sane_init: %s\n",sane_strstatus(rc)); - goto done; - } - submenu = XmCreatePulldownMenu(menu,"scanM",NULL,0); - XtVaCreateManagedWidget("scan",xmCascadeButtonWidgetClass,menu, - XmNsubMenuId,submenu,NULL); - XtAddCallback(submenu, XmNmapCallback, build_menu, NULL); - - done: - sane_exit(); -} - -/* ---------------------------------------------------------------------- */ -/* load */ - -#define BUF_LINES 16 /* read bigger chunks to reduce overhead */ - -struct sane_state { - SANE_Handle sane; - SANE_Parameters parm; - SANE_Byte *buf; - int started; -}; - -static void dump_desc(SANE_Handle h, int nr, const SANE_Option_Descriptor *opt) -{ - SANE_Bool b; - SANE_Int i,flags; - - fprintf(stderr,"sane opt: name=%s title=%s type=%d unit=%d cap=%d\n", - opt->name, opt->title, opt->type, opt->unit, opt->cap); - switch (opt->type) { - case SANE_TYPE_BOOL: - sane_control_option(h, nr, SANE_ACTION_GET_VALUE, - &b, &flags); - fprintf(stderr," value=%s [bool]\n",b ? "true" : "false"); - break; - case SANE_TYPE_INT: - sane_control_option(h, nr, SANE_ACTION_GET_VALUE, - &i, &flags); - fprintf(stderr," value=%d [int]\n",i); - break; - case SANE_TYPE_FIXED: - case SANE_TYPE_STRING: - case SANE_TYPE_BUTTON: - case SANE_TYPE_GROUP: - break; - } - switch (opt->constraint_type) { - case SANE_CONSTRAINT_NONE: - break; - case SANE_CONSTRAINT_RANGE: - fprintf(stderr," range=%d-%d\n", - opt->constraint.range->min, - opt->constraint.range->max); - break; - case SANE_CONSTRAINT_WORD_LIST: - fprintf(stderr," constraint word_list:"); - for (i = 1; i <= opt->constraint.word_list[0]; i++) - fprintf(stderr," %d",opt->constraint.word_list[i]); - fprintf(stderr,"\n"); - break; - case SANE_CONSTRAINT_STRING_LIST: - fprintf(stderr," constraint string_list:"); - for (i = 0; opt->constraint.string_list[i] != NULL; i++) - fprintf(stderr," %s",opt->constraint.string_list[i]); - fprintf(stderr,"\n"); - break; - }; -} - -static void* -sane_idainit(FILE *fp, char *filename, unsigned int page, struct ida_image_info *info, - int thumbnail) -{ - const SANE_Option_Descriptor *opt; - SANE_Int flags, count; - struct sane_state *h; - int rc,i,value,dpi = 0; - - h = malloc(sizeof(*h)); - memset(h,0,sizeof(*h)); - - if (SANE_STATUS_GOOD != (rc = sane_init(NULL,NULL))) { - fprintf(stderr,"sane_init: %s\n",sane_strstatus(rc)); - goto oops; - } - if (SANE_STATUS_GOOD != (rc = sane_open(filename,&h->sane))) { - fprintf(stderr,"sane_open: %s\n",sane_strstatus(rc)); - goto oops; - } - - /* set options */ - opt = sane_get_option_descriptor(h->sane,0); - rc = sane_control_option(h->sane, 0, SANE_ACTION_GET_VALUE, - &count, &flags); - for (i = 1; i < count; i++) { - opt = sane_get_option_descriptor(h->sane,i); - if (opt->name && 0 == strcmp(opt->name,SANE_NAME_SCAN_TL_X)) { - value = opt->constraint.range->min; - sane_control_option(h->sane, i, SANE_ACTION_SET_VALUE, - &value, &flags); - } else if (opt->name && 0 == strcmp(opt->name,SANE_NAME_SCAN_TL_Y)) { - value = opt->constraint.range->min; - sane_control_option(h->sane, i, SANE_ACTION_SET_VALUE, - &value, &flags); - } else if (opt->name && 0 == strcmp(opt->name,SANE_NAME_SCAN_BR_X)) { - value = opt->constraint.range->max; - sane_control_option(h->sane, i, SANE_ACTION_SET_VALUE, - &value, &flags); - } else if (opt->name && 0 == strcmp(opt->name,SANE_NAME_SCAN_BR_Y)) { - value = opt->constraint.range->max; - sane_control_option(h->sane, i, SANE_ACTION_SET_VALUE, - &value, &flags); - } else if (opt->name && 0 == strcmp(opt->name,SANE_NAME_PREVIEW)) { - value = SANE_FALSE; - sane_control_option(h->sane, i, SANE_ACTION_SET_VALUE, - &value, &flags); - } else if (opt->cap & SANE_CAP_AUTOMATIC) - sane_control_option(h->sane, i, SANE_ACTION_SET_AUTO, - NULL, &flags); - if (opt->name && 0 == strcmp(opt->name,SANE_NAME_SCAN_RESOLUTION)) { - if (sane_res) { - dpi = sane_res; - sane_control_option(h->sane, i, SANE_ACTION_SET_VALUE, - &dpi, &flags); - } - sane_control_option(h->sane, i, SANE_ACTION_GET_VALUE, - &dpi, &flags); - } - if (debug) - dump_desc(h->sane,i,opt); - } - - if (SANE_STATUS_GOOD != (rc = sane_start(h->sane))) { - fprintf(stderr,"sane_start: %s\n",sane_strstatus(rc)); - goto oops; - } - h->started = 1; - - if (SANE_STATUS_GOOD != (rc = sane_get_parameters(h->sane,&h->parm))) { - fprintf(stderr,"sane_get_parameters: %s\n",sane_strstatus(rc)); - goto oops; - } - - if (h->parm.format != SANE_FRAME_GRAY && - h->parm.format != SANE_FRAME_RGB) { - fprintf(stderr,"sane: unsupported frame format (%d)\n",h->parm.format); - goto oops; - } - if (h->parm.depth != 8) { - fprintf(stderr,"sane: unsupported color depth (%d)\n",h->parm.depth); - goto oops; - } - if (-1 == h->parm.lines) { - fprintf(stderr,"sane: can't handle unknown image size\n"); - goto oops; - } - - info->width = h->parm.pixels_per_line; - info->height = h->parm.lines; - if (dpi) - info->dpi = dpi; - h->buf = malloc(h->parm.bytes_per_line * BUF_LINES); - if (debug) - fprintf(stderr,"sane: scanning %ux%u %s\n",info->width,info->height, - (h->parm.format == SANE_FRAME_GRAY) ? "gray" : "color"); - - return h; - - oops: - if (h->buf) - free(h->buf); - if (h->started) - sane_cancel(h->sane); - if (h->sane) - sane_close(h->sane); - sane_exit(); - free(h); - return NULL; -} - -static void -sane_idaread(unsigned char *dst, unsigned int line, void *data) -{ - struct sane_state *h = data; - unsigned int lines, total, offset, len; - int rc, i; - SANE_Byte *row; - - if (0 == (line % BUF_LINES)) { - lines = BUF_LINES; - if (lines > h->parm.lines - line) - lines = h->parm.lines - line; - total = h->parm.bytes_per_line * lines; - offset = 0; - while (offset < total) { - rc = sane_read(h->sane, h->buf + offset, total - offset, &len); - if (rc != SANE_STATUS_GOOD) - return; - offset += len; - } - } - row = h->buf + (line % BUF_LINES) * h->parm.bytes_per_line; - switch (h->parm.format) { - case SANE_FRAME_GRAY: - for (i = 0; i < h->parm.pixels_per_line; i++) { - dst[3*i+0] = row[i]; - dst[3*i+1] = row[i]; - dst[3*i+2] = row[i]; - } - break; - case SANE_FRAME_RGB: - memcpy(dst,row,h->parm.pixels_per_line*3); - break; - default: - fprintf(stderr,"sane: read: internal error\n"); - exit(1); - } -} - -static void -sane_idadone(void *data) -{ - struct sane_state *h = data; - - sane_cancel(h->sane); - sane_close(h->sane); - sane_exit(); - free(h->buf); - free(h); -} - -struct ida_loader sane_loader = { - name: "sane interface", - init: sane_idainit, - read: sane_idaread, - done: sane_idadone, -}; - -static void __init init_rd(void) -{ - load_register(&sane_loader); -} |