diff options
Diffstat (limited to 'backend/xerox_mfp.c')
| -rw-r--r-- | backend/xerox_mfp.c | 45 |
1 files changed, 36 insertions, 9 deletions
diff --git a/backend/xerox_mfp.c b/backend/xerox_mfp.c index 310dc53..fc3d94f 100644 --- a/backend/xerox_mfp.c +++ b/backend/xerox_mfp.c @@ -213,6 +213,8 @@ static int isSupportedDevice(struct device __sane_unused__ *dev) if (!strncmp(dev->sane.model, "SCX-4500W", 9) || !strncmp(dev->sane.model, "C460", 4) || !!strstr(dev->sane.model, "CLX-3170") || + !!strstr(dev->sane.model, "4x24") || + !!strstr(dev->sane.model, "4x28") || !strncmp(dev->sane.model, "M288x", 5)) return 0; return 1; @@ -223,6 +225,11 @@ static int isSupportedDevice(struct device __sane_unused__ *dev) #endif } +static int isJPEGEnabled(struct device __sane_unused__ *dev) +{ + return isSupportedDevice(dev) && dev->compressionEnabled; +} + static void dbg_dump(struct device *dev) { int i; @@ -595,6 +602,22 @@ static void init_options(struct device *dev) dev->opt[OPT_SOURCE].constraint_type = SANE_CONSTRAINT_STRING_LIST; dev->opt[OPT_SOURCE].constraint.string_list = doc_sources; + dev->opt[OPT_JPEG].name = "jpeg"; + dev->opt[OPT_JPEG].title = SANE_I18N("jpeg compression"); + dev->opt[OPT_JPEG].desc = SANE_I18N("JPEG Image Compression"); + dev->opt[OPT_JPEG].unit = SANE_UNIT_NONE; + dev->opt[OPT_JPEG].type = SANE_TYPE_BOOL; + dev->opt[OPT_JPEG].cap |= SANE_CAP_ADVANCED; +#ifdef HAVE_LIBJPEG + dev->compressionEnabled = SANE_TRUE; + if (!isSupportedDevice(dev)) + dev->opt[OPT_JPEG].cap |= SANE_CAP_INACTIVE; + dev->val[OPT_JPEG].b = SANE_TRUE; +#else + dev->opt[OPT_JPEG].cap |= SANE_CAP_INACTIVE; + dev->val[OPT_JPEG].b = SANE_FALSE; +#endif + dev->opt[OPT_GROUP_GEO].name = SANE_NAME_GEOMETRY; dev->opt[OPT_GROUP_GEO].title = SANE_TITLE_GEOMETRY; dev->opt[OPT_GROUP_GEO].desc = SANE_DESC_GEOMETRY; @@ -647,7 +670,10 @@ static void set_parameters(struct device *dev) dev->para.pixels_per_line = dev->win_width / px_to_len; dev->para.bytes_per_line = dev->para.pixels_per_line; - if (!isSupportedDevice(dev)) { + DBG(5, dev->val[OPT_JPEG].b ? "JPEG compression enabled\n" : "JPEG compression disabled\n" ); + dev->compressionEnabled = dev->val[OPT_JPEG].b; + + if (!isJPEGEnabled(dev)) { #if BETTER_BASEDPI px_to_len = 1213.9 / dev->val[OPT_RESOLUTION].w; #endif @@ -776,7 +802,7 @@ static int dev_set_window(struct device *dev) /* Set to JPEG Lossy Compression, if mode is color (only for supported model)... * else go with Uncompressed (For backard compatibility with old models )*/ if (dev->composition == MODE_RGB24) { - if (isSupportedDevice(dev)) { + if (isJPEGEnabled(dev)) { cmd[0x14] = 0x6; } } @@ -1161,7 +1187,7 @@ sane_get_parameters(SANE_Handle h, SANE_Parameters *para) static int dev_acquire(struct device *dev) { if (!dev_cmd_wait(dev, CMD_READ)) - return dev->state; + return 0; dev->state = SANE_STATUS_GOOD; dev->vertical = dev->res[0x08] << 8 | dev->res[0x09]; @@ -1188,7 +1214,8 @@ static int dev_acquire(struct device *dev) if (dev->bytes_per_line > DATASIZE) { DBG(1, "%s: unsupported line size: %d bytes > %d\n", __func__, dev->bytes_per_line, DATASIZE); - return ret_cancel(dev, SANE_STATUS_NO_MEM); + ret_cancel(dev, SANE_STATUS_NO_MEM); + return 0; } dev->reading = 0; /* need to issue READ_IMAGE */ @@ -1279,7 +1306,7 @@ sane_read(SANE_Handle h, SANE_Byte *buf, SANE_Int maxlen, SANE_Int *lenp) SANE_Status status; struct device *dev = h; - DBG(3, "%s: %p, %p, %d, %p\n", __func__, h, buf, maxlen, (void *)lenp); + DBG(3, "%s: %p, %p, %d, %p\n", __func__, h, (void *) buf, maxlen, (void *) lenp); if (lenp) *lenp = 0; @@ -1294,7 +1321,7 @@ sane_read(SANE_Handle h, SANE_Byte *buf, SANE_Int maxlen, SANE_Int *lenp) /* copying uncompressed data */ if (dev->composition == MODE_RGB24 && - isSupportedDevice(dev) && + isJPEGEnabled(dev) && dev->decDataSize > 0) { int diff = dev->total_img_size - dev->total_out_size; int bufLen = (diff < maxlen) ? diff : maxlen; @@ -1321,7 +1348,7 @@ sane_read(SANE_Handle h, SANE_Byte *buf, SANE_Int maxlen, SANE_Int *lenp) /* this will never happen */ DBG(1, "image overflow %d bytes\n", dev->total_img_size - dev->total_out_size); } - if (isSupportedDevice(dev) && + if (isJPEGEnabled(dev) && dev->composition == MODE_RGB24) { remove(encTmpFileName); } @@ -1376,7 +1403,7 @@ sane_read(SANE_Handle h, SANE_Byte *buf, SANE_Int maxlen, SANE_Int *lenp) if (buf && lenp) { /* read mode */ /* copy will do minimal of valid data */ if (dev->para.format == SANE_FRAME_RGB && dev->line_order) { - if (isSupportedDevice(dev)) { + if (isJPEGEnabled(dev)) { clrlen = dump_to_tmp_file(dev); /* decompress after reading entire block data*/ if (0 == dev->blocklen) { @@ -1490,7 +1517,7 @@ sane_start(SANE_Handle h) dev->total_img_size = dev->para.bytes_per_line * dev->para.lines; - if (isSupportedDevice(dev) && + if (isJPEGEnabled(dev) && dev->composition == MODE_RGB24) { int fd; remove(encTmpFileName); |