summaryrefslogtreecommitdiff
path: root/backend/escl/escl_capabilities.c
diff options
context:
space:
mode:
authorJörg Frings-Fürst <debian@jff-webhosting.net>2020-09-10 19:11:27 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2020-09-10 19:11:27 +0200
commit7e9455b3b15671ff99ed168638c405e2acedb6df (patch)
tree444e59ece236e09dc153f665e42160aeb0208c24 /backend/escl/escl_capabilities.c
parentbc8a517abd2e11e1435f4ef042cfcc8648b62ef7 (diff)
parentbce41b3c37c2a68e7dab234ce0247755a61ceb40 (diff)
Merge branch 'release/debian/1.0.31-1_experimental1' into masterdebian/1.0.31-1_experimental1
Diffstat (limited to 'backend/escl/escl_capabilities.c')
-rw-r--r--backend/escl/escl_capabilities.c194
1 files changed, 133 insertions, 61 deletions
diff --git a/backend/escl/escl_capabilities.c b/backend/escl/escl_capabilities.c
index 690ff1e..fdd5cfe 100644
--- a/backend/escl/escl_capabilities.c
+++ b/backend/escl/escl_capabilities.c
@@ -45,7 +45,7 @@ struct cap
* \fn static SANE_String_Const convert_elements(SANE_String_Const str)
* \brief Function that converts the 'color modes' of the scanner (color/gray) to be understood by SANE.
*
- * \return SANE_VALUE_SCAN_MODE_GRAY / SANE_VALUE_SCAN_MODE_COLOR ; NULL otherwise
+ * \return SANE_VALUE_SCAN_MODE_GRAY / SANE_VALUE_SCAN_MODE_COLOR / SANE_VALUE_SCAN_MODE_LINEART; NULL otherwise
*/
static SANE_String_Const
convert_elements(SANE_String_Const str)
@@ -54,6 +54,10 @@ convert_elements(SANE_String_Const str)
return (SANE_VALUE_SCAN_MODE_GRAY);
else if (strcmp(str, "RGB24") == 0)
return (SANE_VALUE_SCAN_MODE_COLOR);
+#if(defined HAVE_POPPLER_GLIB)
+ else if (strcmp(str, "BlackAndWhite1") == 0)
+ return (SANE_VALUE_SCAN_MODE_LINEART);
+#endif
return (NULL);
}
@@ -137,7 +141,7 @@ memory_callback_c(void *contents, size_t size, size_t nmemb, void *userp)
char *str = realloc(mem->memory, mem->size + realsize + 1);
if (str == NULL) {
- fprintf(stderr, "not enough memory (realloc returned NULL)\n");
+ DBG(10, "not enough memory (realloc returned NULL)\n");
return (0);
}
mem->memory = str;
@@ -175,48 +179,61 @@ find_nodes_c(xmlNode *node)
* \return 0
*/
static int
-find_valor_of_array_variables(xmlNode *node, capabilities_t *scanner)
+find_valor_of_array_variables(xmlNode *node, capabilities_t *scanner, int type)
{
const char *name = (const char *)node->name;
- if (strcmp(name, "ColorMode") == 0)
- scanner->ColorModes = char_to_array(scanner->ColorModes, &scanner->ColorModesSize, (SANE_String_Const)xmlNodeGetContent(node), 1);
+ if (strcmp(name, "ColorMode") == 0) {
+ const char *color = (SANE_String_Const)xmlNodeGetContent(node);
+ if (type == PLATEN || strcmp(color, "BlackAndWhite1"))
+ scanner->caps[type].ColorModes = char_to_array(scanner->caps[type].ColorModes, &scanner->caps[type].ColorModesSize, (SANE_String_Const)xmlNodeGetContent(node), 1);
+ }
else if (strcmp(name, "ContentType") == 0)
- scanner->ContentTypes = char_to_array(scanner->ContentTypes, &scanner->ContentTypesSize, (SANE_String_Const)xmlNodeGetContent(node), 0);
+ scanner->caps[type].ContentTypes = char_to_array(scanner->caps[type].ContentTypes, &scanner->caps[type].ContentTypesSize, (SANE_String_Const)xmlNodeGetContent(node), 0);
else if (strcmp(name, "DocumentFormat") == 0)
{
int i = 0;
- scanner->DocumentFormats = char_to_array(scanner->DocumentFormats, &scanner->DocumentFormatsSize, (SANE_String_Const)xmlNodeGetContent(node), 0);
- for(; i < scanner->DocumentFormatsSize; i++)
+ SANE_Bool have_jpeg = SANE_FALSE, have_png = SANE_FALSE, have_tiff = SANE_FALSE, have_pdf = SANE_FALSE;
+ scanner->caps[type].DocumentFormats = char_to_array(scanner->caps[type].DocumentFormats, &scanner->caps[type].DocumentFormatsSize, (SANE_String_Const)xmlNodeGetContent(node), 0);
+ for(; i < scanner->caps[type].DocumentFormatsSize; i++)
{
- if (scanner->default_format == NULL && !strcmp(scanner->DocumentFormats[i], "image/jpeg"))
+ if (!strcmp(scanner->caps[type].DocumentFormats[i], "image/jpeg"))
{
- scanner->default_format = strdup("image/jpeg");
+ have_jpeg = SANE_TRUE;
}
#if(defined HAVE_LIBPNG)
- else if(!strcmp(scanner->DocumentFormats[i], "image/png") && (scanner->default_format == NULL || strcmp(scanner->default_format, "image/tiff")))
+ else if(!strcmp(scanner->caps[type].DocumentFormats[i], "image/png"))
{
- if (scanner->default_format)
- free(scanner->default_format);
- scanner->default_format = strdup("image/png");
+ have_png = SANE_TRUE;
}
#endif
#if(defined HAVE_TIFFIO_H)
- else if(!strcmp(scanner->DocumentFormats[i], "image/tiff"))
+ else if(type == PLATEN && !strcmp(scanner->caps[type].DocumentFormats[i], "image/tiff"))
+ {
+ have_tiff = SANE_TRUE;
+ }
+#endif
+#if(defined HAVE_POPPLER_GLIB)
+ else if(type == PLATEN && !strcmp(scanner->caps[type].DocumentFormats[i], "application/pdf"))
{
- if (scanner->default_format)
- free(scanner->default_format);
- scanner->default_format = strdup("image/tiff");
+ have_pdf = SANE_TRUE;
}
#endif
}
- fprintf(stderr, "Capability : [%s]\n", scanner->default_format);
+ if (have_pdf)
+ scanner->caps[type].default_format = strdup("application/pdf");
+ else if (have_tiff)
+ scanner->caps[type].default_format = strdup("image/tiff");
+ else if (have_png)
+ scanner->caps[type].default_format = strdup("image/png");
+ else if (have_jpeg)
+ scanner->caps[type].default_format = strdup("image/jpeg");
}
else if (strcmp(name, "DocumentFormatExt") == 0)
- scanner->format_ext = 1;
+ scanner->caps[type].format_ext = 1;
else if (strcmp(name, "Intent") == 0)
- scanner->SupportedIntents = char_to_array(scanner->SupportedIntents, &scanner->SupportedIntentsSize, (SANE_String_Const)xmlNodeGetContent(node), 0);
+ scanner->caps[type].SupportedIntents = char_to_array(scanner->caps[type].SupportedIntents, &scanner->caps[type].SupportedIntentsSize, (SANE_String_Const)xmlNodeGetContent(node), 0);
else if (strcmp(name, "XResolution") == 0)
- scanner->SupportedResolutions = int_to_array(scanner->SupportedResolutions, &scanner->SupportedResolutionsSize, atoi((const char *)xmlNodeGetContent(node)));
+ scanner->caps[type].SupportedResolutions = int_to_array(scanner->caps[type].SupportedResolutions, &scanner->caps[type].SupportedResolutionsSize, atoi((const char *)xmlNodeGetContent(node)));
return (0);
}
@@ -230,39 +247,39 @@ find_valor_of_array_variables(xmlNode *node, capabilities_t *scanner)
* \return 0
*/
static int
-find_value_of_int_variables(xmlNode *node, capabilities_t *scanner)
+find_value_of_int_variables(xmlNode *node, capabilities_t *scanner, int type)
{
int MaxWidth = 0;
int MaxHeight = 0;
const char *name = (const char *)node->name;
if (strcmp(name, "MinWidth") == 0)
- scanner->MinWidth = atoi((const char*)xmlNodeGetContent(node));
+ scanner->caps[type].MinWidth = atoi((const char*)xmlNodeGetContent(node));
else if (strcmp(name, "MaxWidth") == 0) {
MaxWidth = atoi((const char*)xmlNodeGetContent(node));
- if (scanner->MaxWidth == 0 || MaxWidth < scanner->MaxWidth)
- scanner->MaxWidth = atoi((const char *)xmlNodeGetContent(node));
+ if (scanner->caps[type].MaxWidth == 0 || MaxWidth < scanner->caps[type].MaxWidth)
+ scanner->caps[type].MaxWidth = atoi((const char *)xmlNodeGetContent(node));
}
else if (strcmp(name, "MinHeight") == 0)
- scanner->MinHeight = atoi((const char*)xmlNodeGetContent(node));
+ scanner->caps[type].MinHeight = atoi((const char*)xmlNodeGetContent(node));
else if (strcmp(name, "MaxHeight") == 0) {
MaxHeight = atoi((const char*)xmlNodeGetContent(node));
- if (scanner->MaxHeight == 0 || MaxHeight < scanner->MaxHeight)
- scanner->MaxHeight = atoi((const char *)xmlNodeGetContent(node));
+ if (scanner->caps[type].MaxHeight == 0 || MaxHeight < scanner->caps[type].MaxHeight)
+ scanner->caps[type].MaxHeight = atoi((const char *)xmlNodeGetContent(node));
}
else if (strcmp(name, "MaxScanRegions") == 0)
- scanner->MaxScanRegions = atoi((const char *)xmlNodeGetContent(node));
+ scanner->caps[type].MaxScanRegions = atoi((const char *)xmlNodeGetContent(node));
else if (strcmp(name, "MaxOpticalXResolution") == 0)
- scanner->MaxOpticalXResolution = atoi((const char *)xmlNodeGetContent(node));
+ scanner->caps[type].MaxOpticalXResolution = atoi((const char *)xmlNodeGetContent(node));
else if (strcmp(name, "RiskyLeftMargin") == 0)
- scanner->RiskyLeftMargin = atoi((const char *)xmlNodeGetContent(node));
+ scanner->caps[type].RiskyLeftMargin = atoi((const char *)xmlNodeGetContent(node));
else if (strcmp(name, "RiskyRightMargin") == 0)
- scanner->RiskyRightMargin = atoi((const char *)xmlNodeGetContent(node));
+ scanner->caps[type].RiskyRightMargin = atoi((const char *)xmlNodeGetContent(node));
else if (strcmp(name, "RiskyTopMargin") == 0)
- scanner->RiskyTopMargin = atoi((const char *)xmlNodeGetContent(node));
+ scanner->caps[type].RiskyTopMargin = atoi((const char *)xmlNodeGetContent(node));
else if (strcmp(name, "RiskyBottomMargin") == 0)
- scanner->RiskyBottomMargin = atoi((const char *)xmlNodeGetContent(node));
- find_valor_of_array_variables(node, scanner);
+ scanner->caps[type].RiskyBottomMargin = atoi((const char *)xmlNodeGetContent(node));
+ find_valor_of_array_variables(node, scanner, type);
return (0);
}
@@ -275,7 +292,7 @@ find_value_of_int_variables(xmlNode *node, capabilities_t *scanner)
* \return 0
*/
static int
-find_true_variables(xmlNode *node, capabilities_t *scanner)
+find_true_variables(xmlNode *node, capabilities_t *scanner, int type)
{
const char *name = (const char *)node->name;
if (strcmp(name, "MinWidth") == 0 ||
@@ -294,7 +311,7 @@ find_true_variables(xmlNode *node, capabilities_t *scanner)
strcmp(name, "RiskyTopMargin") == 0 ||
strcmp(name, "RiskyBottomMargin") == 0 ||
strcmp(name, "DocumentFormatExt") == 0)
- find_value_of_int_variables(node, scanner);
+ find_value_of_int_variables(node, scanner, type);
return (0);
}
@@ -305,21 +322,67 @@ find_true_variables(xmlNode *node, capabilities_t *scanner)
* \return 0
*/
static int
-print_xml_c(xmlNode *node, capabilities_t *scanner)
+print_xml_c(xmlNode *node, capabilities_t *scanner, int type)
{
while (node) {
if (node->type == XML_ELEMENT_NODE) {
- if (find_nodes_c(node))
- find_true_variables(node, scanner);
+ if (find_nodes_c(node) && type != -1)
+ find_true_variables(node, scanner, type);
}
- print_xml_c(node->children, scanner);
+ if (!strcmp((const char *)node->name, "PlatenInputCaps")) {
+ scanner->Sources[PLATEN] = (SANE_String_Const)strdup(SANE_I18N ("Flatbed"));
+ scanner->SourcesSize++;
+ scanner->source = PLATEN;
+ print_xml_c(node->children, scanner, PLATEN);
+ scanner->caps[PLATEN].duplex = 0;
+ }
+ else if (!strcmp((const char *)node->name, "AdfSimplexInputCaps")) {
+ scanner->Sources[ADFSIMPLEX] = (SANE_String_Const)strdup(SANE_I18N("ADF"));
+ scanner->SourcesSize++;
+ if (scanner->source == -1) scanner->source = ADFSIMPLEX;
+ print_xml_c(node->children, scanner, ADFSIMPLEX);
+ scanner->caps[ADFSIMPLEX].duplex = 0;
+ }
+ else if (!strcmp((const char *)node->name, "AdfDuplexInputCaps")) {
+ scanner->Sources[ADFDUPLEX] = (SANE_String_Const)strdup(SANE_I18N ("ADF Duplex"));
+ scanner->SourcesSize++;
+ if (scanner->source == -1) scanner->source = ADFDUPLEX;
+ print_xml_c(node->children, scanner, ADFDUPLEX);
+ scanner->caps[ADFDUPLEX].duplex = 1;
+ }
+ else
+ print_xml_c(node->children, scanner, type);
node = node->next;
}
return (0);
}
+static void
+_reduce_color_modes(capabilities_t *scanner)
+{
+ int type = 0;
+ for (type = 0; type < 3; type++) {
+ if (scanner->caps[type].ColorModesSize) {
+ if (scanner->caps[type].default_format &&
+ strcmp(scanner->caps[type].default_format, "application/pdf")) {
+ if (scanner->caps[type].ColorModesSize == 3) {
+ free(scanner->caps[type].ColorModes);
+ scanner->caps[type].ColorModes = NULL;
+ scanner->caps[type].ColorModesSize = 0;
+ scanner->caps[type].ColorModes = char_to_array(scanner->caps[type].ColorModes,
+ &scanner->caps[type].ColorModesSize,
+ (SANE_String_Const)SANE_VALUE_SCAN_MODE_GRAY, 0);
+ scanner->caps[type].ColorModes = char_to_array(scanner->caps[type].ColorModes,
+ &scanner->caps[type].ColorModesSize,
+ (SANE_String_Const)SANE_VALUE_SCAN_MODE_COLOR, 0);
+ }
+ }
+ }
+ }
+}
+
/**
- * \fn capabilities_t *escl_capabilities(SANE_String_Const name, SANE_Status *status)
+ * \fn capabilities_t *escl_capabilities(const ESCL_Device *device, SANE_Status *status)
* \brief Function that finally recovers all the capabilities of the scanner, using curl.
* This function is called in the 'sane_open' function and it's the equivalent of
* the following curl command : "curl http(s)://'ip':'port'/eSCL/ScannerCapabilities".
@@ -327,18 +390,18 @@ print_xml_c(xmlNode *node, capabilities_t *scanner)
* \return scanner (the structure that stocks all the capabilities elements)
*/
capabilities_t *
-escl_capabilities(SANE_String_Const name, SANE_Status *status)
+escl_capabilities(const ESCL_Device *device, SANE_Status *status)
{
capabilities_t *scanner = (capabilities_t*)calloc(1, sizeof(capabilities_t));
CURL *curl_handle = NULL;
struct cap *var = NULL;
xmlDoc *data = NULL;
xmlNode *node = NULL;
+ int i = 0;
const char *scanner_capabilities = "/eSCL/ScannerCapabilities";
- char tmp[PATH_MAX] = { 0 };
*status = SANE_STATUS_GOOD;
- if (name == NULL)
+ if (device == NULL)
*status = SANE_STATUS_NO_MEM;
var = (struct cap *)calloc(1, sizeof(struct cap));
if (var == NULL)
@@ -346,32 +409,41 @@ escl_capabilities(SANE_String_Const name, SANE_Status *status)
var->memory = malloc(1);
var->size = 0;
curl_handle = curl_easy_init();
- strcpy(tmp, name);
- strcat(tmp, scanner_capabilities);
- DBG( 1, "Get Capabilities : %s\n", tmp);
- curl_easy_setopt(curl_handle, CURLOPT_URL, tmp);
- if (strncmp(name, "https", 5) == 0) {
- DBG( 1, "Ignoring safety certificates, use https\n");
- curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYPEER, 0L);
- curl_easy_setopt(curl_handle, CURLOPT_SSL_VERIFYHOST, 0L);
- }
+ escl_curl_url(curl_handle, device, scanner_capabilities);
curl_easy_setopt(curl_handle, CURLOPT_WRITEFUNCTION, memory_callback_c);
curl_easy_setopt(curl_handle, CURLOPT_WRITEDATA, (void *)var);
- if (curl_easy_perform(curl_handle) != CURLE_OK) {
- DBG( 1, "The scanner didn't respond.\n");
+ CURLcode res = curl_easy_perform(curl_handle);
+ if (res != CURLE_OK) {
+ DBG( 1, "The scanner didn't respond: %s\n", curl_easy_strerror(res));
*status = SANE_STATUS_INVAL;
+ goto clean_data;
}
+ DBG( 10, "XML Capabilities[\n%s\n]\n", var->memory);
data = xmlReadMemory(var->memory, var->size, "file.xml", NULL, 0);
- if (data == NULL)
+ if (data == NULL) {
*status = SANE_STATUS_NO_MEM;
+ goto clean_data;
+ }
node = xmlDocGetRootElement(data);
- if (node == NULL)
+ if (node == NULL) {
*status = SANE_STATUS_NO_MEM;
- print_xml_c(node, scanner);
+ goto clean;
+ }
+
+ scanner->source = 0;
+ scanner->Sources = (SANE_String_Const *)malloc(sizeof(SANE_String_Const) * 4);
+ for (i = 0; i < 4; i++)
+ scanner->Sources[i] = NULL;
+ print_xml_c(node, scanner, -1);
+ _reduce_color_modes(scanner);
+clean:
xmlFreeDoc(data);
+clean_data:
xmlCleanupParser();
xmlMemoryDump();
curl_easy_cleanup(curl_handle);
- free(var->memory);
+ if (var)
+ free(var->memory);
+ free(var);
return (scanner);
}