[qcms] Add matrix transform flag and matrix extraction api

third_party/qcms/src/qcms.h

 #ifndef QCMS_H
 #define QCMS_H
 
 #ifdef  __cplusplus
 extern "C" {
 #endif
 
 /* if we've already got an ICC_H header we can ignore the following */
 #ifndef ICC_H
 /* icc34 defines */
@@ skipping 140 matching lines @@
 qcms_bool qcms_profile_match(qcms_profile *p1, qcms_profile *p2);
 const char* qcms_profile_get_description(qcms_profile *profile);
 
 void qcms_profile_precache_output_transform(qcms_profile *profile);
 
 size_t qcms_profile_get_vcgt_channel_length(qcms_profile *profile);
 qcms_bool qcms_profile_get_vcgt_rgb_channels(qcms_profile *profile, unsigned short *data);
 
 qcms_transform* qcms_transform_create(
                 qcms_profile *in, qcms_data_type in_type,
-                qcms_profile* out, qcms_data_type out_type,
+                qcms_profile *out, qcms_data_type out_type,
                 qcms_intent intent);
 
+qcms_bool qcms_transform_is_matrix(qcms_transform *transform);
+float qcms_transform_get_matrix(qcms_transform *transform, unsigned i, unsigned j);
+
 qcms_bool qcms_transform_create_LUT_zyx_bgra(
-                qcms_profile *in, qcms_profile* out, qcms_intent intent,
+                qcms_profile *in, qcms_profile *out, qcms_intent intent,
                 int samples, unsigned char* lut);
 
 void qcms_transform_data(qcms_transform *transform, void *src, void *dest, size_t length);
 void qcms_transform_data_type(qcms_transform *transform, void *src, void *dest, size_t length, qcms_output_type type);
 
 void qcms_transform_release(qcms_transform *);
 
 void qcms_enable_iccv4();
 
 #ifdef  __cplusplus
 }
 #endif
 
 #endif