winamp/Src/Wasabi/api/service/svcs/svc_imgwrite.h

102 lines
3.1 KiB
C++

#ifndef _SVC_IMGWRITE_H
#define _SVC_IMGWRITE_H
#include <api/service/services.h>
#include <bfc/platform/platform.h>
#include <bfc/dispatch.h>
class NOVTABLE svc_imageWriter : public Dispatchable {
public:
static FOURCC getServiceType() { return WaSvc::IMAGEWRITER; }
// returns a human readable string about the format. eg "JPEG"
const wchar_t * getImageTypeName();
// returns a semi-colon delimited list of file extensions for this format. eg "jpg;jpeg"
// MUST BE LOWER CASE
const wchar_t * getExtensions();
// valid items include "quality" for jpeg files with value "0" to "100"
// return value is 1 if the config item is supported, 0 if it is not.
int setConfig(const wchar_t * item, const wchar_t * value);
// valid items include "quality" for jpeg files with value "0" to "100", "lossless" returns "1" if it is "0" otherwise
// return value is 1 if the config item is supported, 0 if it is not.
int getConfig(const wchar_t * item, wchar_t * value, int valuelen);
// returns 1 if the bit depth is supported (eg 32 for ARGB32, 24 for RGB24)
// ARGB32 MUST be supported
int bitDepthSupported(int depth);
// returns the image in our format, free the returned buffer with api_memmgr::sysFree()
void * convert(const void *pixels, int bitDepth, int w, int h, int *length);
enum {
GETIMAGETYPENAME=10,
GETEXTENSIONS=20,
SETCONFIG=30,
GETCONFIG=40,
BITDEPTHSUPPORTED=50,
CONVERT=60,
};
};
inline const wchar_t *svc_imageWriter::getImageTypeName() {
return _call(GETIMAGETYPENAME, L"");
}
inline const wchar_t *svc_imageWriter::getExtensions() {
return _call(GETEXTENSIONS, L"");
}
inline int svc_imageWriter::setConfig(const wchar_t * item, const wchar_t * value) {
return _call(SETCONFIG, (int)0, item, value);
}
inline int svc_imageWriter::getConfig(const wchar_t * item, wchar_t * value, int valuelen) {
return _call(GETCONFIG, (int)0, item, value, valuelen);
}
inline int svc_imageWriter::bitDepthSupported(int depth) {
return _call(BITDEPTHSUPPORTED, (int)0, depth);
}
inline void * svc_imageWriter::convert(const void *pixels, int bitDepth, int w, int h, int *length) {
return _call(CONVERT, (void*)0, pixels, bitDepth, w, h, length);
}
// derive from this one
class NOVTABLE svc_imageWriterI : public svc_imageWriter {
public:
virtual const wchar_t * getExtensions()=0;
virtual const wchar_t * getImageTypeName()=0;
virtual int setConfig(const wchar_t * item, const wchar_t * value){return 0;}
virtual int getConfig(const wchar_t * item, wchar_t * value, int valuelen){return 0;}
virtual int bitDepthSupported(int depth)=0;
virtual void * convert(const void *pixels, int bitDepth, int w, int h, int *length)=0;
protected:
RECVS_DISPATCH;
};
/* do we still use svc_enum?
#include <bfc/svc_enum.h>
class ImgWriterEnum : public SvcEnumT<svc_imageWriter> {
public:
ImgWriterEnum(const char *_ext=NULL) : ext(_ext) { }
protected:
virtual int testService(svc_imageWriter *svc) {
if (ext.isempty()) return 1;
else {
PathParser pp(svc->getExtensions(), ";");
for (int i = 0; i < pp.getNumStrings(); i++)
if (STRCASEEQL(ext, pp.enumString(i))) return 1;
return 0;
}
}
String ext;
};
*/
#endif