Squashed 'rtengine/libraw/' content from commit cccb97647

git-subtree-dir: rtengine/libraw
git-subtree-split: cccb97647fcee56801fa68231fa8a38aa8b52ef7

RawSpeed3/rawspeed3_c_api/rawspeed3_capi.h

@@ -0,0 +1,83 @@
+#pragma once
+#include <stdint.h>
+#include <stdlib.h>
+
+#ifdef _MSC_VER
+#ifdef RAWSPEED_BUILDLIB
+#define DllDef __declspec(dllexport)
+#else
+#define DllDef __declspec(dllimport)
+#endif
+#else
+#define DllDef
+#endif
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+enum rawspeed3_error_codes
+{
+    rawspeed_inited = -2,
+    rawspeed3_param_error = -1,
+    rawspeed3_ok = 0,
+    rawspeed3_ok_warnings = 1,
+    rawspeed3_not_inited = 2,
+    rawspeed3_processing_error = 3,
+    rawspeed3_no_decoder = 4,
+    rawspeed3_not_supported = 5,
+};
+
+typedef void *rawspeed3_handle_t;
+
+/* RAW file parsing results */
+typedef struct 
+{
+    int status; /* -1: param error, 0 => OK, >=1 error code */
+    uint16_t width, height, bpp, cpp; 
+    unsigned pitch, filters;
+    const void *pixeldata;   
+}rawspeed3_ret_t;
+
+/* API calls */
+DllDef void rawspeed3_clearresult(rawspeed3_ret_t*);
+/* 
+    rawspeed3_init()
+    Init rawspeed3 Camera, returns: 0 on failure, pointer to data block on success 
+    Cameradefs: cameras.xml in string (is_file == false) or file (is_file == true)
+*/
+DllDef rawspeed3_handle_t rawspeed3_init(const char* cameradefs, bool is_file);
+
+/* init with built-in cameras.xml */
+DllDef rawspeed3_handle_t rawspeed3_initdefault();
+
+/*
+    rawspeed3_decodefile(..)
+    parse/decode RAW file passed via memory
+    Parameters:
+      handle - rawspeed3_handle_t => handle created by rawspeed3_init()
+      resultp -> pointer to rawspeed3_ret_t to be filled with
+      data -> data buffer with raw file
+      datasize -> size of this buffer
+      allowunknown -> allow to process unknown cameras (not listed in cameras.xml)
+    Return values:
+      0 -> OK 
+      1 -> decode warnings (not fatal)
+      >1 -> error code
+     -1 -> Incorrect parameters passed (handle, or data, or datasize)
+*/
+DllDef int rawspeed3_decodefile(rawspeed3_handle_t handle, rawspeed3_ret_t* resultp, 
+    const void *data, size_t datasize, bool allowunknown);
+
+/* release internal raw data buffer */
+DllDef void rawspeed3_release(rawspeed3_handle_t handle);
+
+/* close handle: release all internal data */
+DllDef void rawspeed3_close(rawspeed3_handle_t handle);
+
+
+#ifdef __cplusplus
+} /* Extern C */
+#endif