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