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new. decoder. pnunn
This commit is contained in:
pnunn%netscape.com
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50bcc210f8
Коммит
e927d42c5b
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/*
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* The purpose of this file is to help phase out XP_ library
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* from the image library. In general, XP_ data structures and
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* functions will be replaced with the PR_ or PL_ equivalents.
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* In cases where the PR_ or PL_ equivalents don't yet exist,
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* this file (and its source equivalent) will play the role
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* of the XP_ library.
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*/
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#ifndef dllcompat_h___
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#define dllcompat_h___
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#include "platform.h"
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#include "prtypes.h"
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#include "nsCom.h"
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#include "xp_mcom.h"
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#include "xp_str.h"
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typedef void
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(*TimeoutCallbackFunction) (void * closure);
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#endif
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/* -*- Mode: C; tab-width: 4 -*-
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* il_utilp.h Colormap and colorspace utilities - types and definitions
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* private to Image Library.
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*
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* $Id: il_utilp.h,v 1.2 1999/04/19 22:42:56 pnunn%netscape.com Exp $
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*/
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/************************* Colormap utilities ********************************/
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/* Parameters for building a color cube and its associated lookup table. */
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#define LOOKUP_TABLE_SIZE 32768
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#define LOOKUP_TABLE_RED 32
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#define LOOKUP_TABLE_GREEN 32
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#define LOOKUP_TABLE_BLUE 32
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#define CUBE_MAX_SIZE 256
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/* Macro to convert 8-bit/channel RGB data into an 8-bit colormap index. */
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#define COLORMAP_INDEX(lookup_table, red, green, blue) \
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lookup_table[LOOKUP_TABLE_INDEX(red, green, blue)]
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/* Macro to convert 8-bit/channel RGB data into a 16-bit lookup table index.
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The lookup table value is the index to the colormap. */
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#define LOOKUP_TABLE_INDEX(red, green, blue) \
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((USE_5_BITS(red) << 10) | \
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(USE_5_BITS(green) << 5) | \
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USE_5_BITS(blue))
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/* Take the 5 most significant bits of an 8-bit value. */
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#define USE_5_BITS(x) ((x) >> 3)
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/* Scaling macro for creating color cubes. */
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#define CUBE_SCALE(val, double_new_size_minus1, old_size_minus1, \
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double_old_size_minus1) \
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((val) * (double_new_size_minus1) + (old_size_minus1)) / \
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(double_old_size_minus1)
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/************************** Colorspace utilities *****************************/
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/* Image Library private part of an IL_ColorSpace structure. */
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typedef struct il_ColorSpaceData {
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/* RGB24 to RGBN depth conversion maps. Each of these maps take an
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8-bit input for a color channel and converts it into that channel's
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contribution to a depth N pixmap e.g. for a 24 to 16-bit color
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conversion, the output pixel is given by
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uint8 red, green, blue;
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uint16 output_pixel;
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output_pixel = r8torgbn[red] + g8torgbn[green] + b8torgbn[blue];
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Depth conversion maps are created for the following destination image
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pixmap depths: N = 8, 16 and 32. The type of the array elements is a
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uintN. */
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void *r8torgbn;
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void *g8torgbn;
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void *b8torgbn;
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} il_ColorSpaceData;
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef _nsIImgDecoder_h
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#define _nsIImgDecoder_h
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#include "if_struct.h"
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#include "ni_pixmp.h"
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#include "nsISupports.h"
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#include "nsImgDecCID.h"
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class nsIImgDecoder : public nsISupports
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{
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public:
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NS_IMETHOD ImgDInit()=0;
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NS_IMETHOD ImgDWriteReady()=0;
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NS_IMETHOD ImgDWrite(const unsigned char *buf, int32 len)=0;
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NS_IMETHOD ImgDComplete()=0;
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NS_IMETHOD ImgDAbort()=0;
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private:
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void *mContainer;
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};
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NS_DEFINE_IID(kImgDCallbkIID, NS_IMGDCALLBK_IID);
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NS_DEFINE_CID(kImgDCallbkCID, NS_IMGDCALLBK_CID);
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class nsIImgDCallbk : public nsISupports
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{
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public:
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NS_IMETHOD ImgDCBFlushImage()=0;
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NS_IMETHOD ImgDCBImageSize()=0;
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NS_IMETHOD ImgDCBResetPalette()=0;
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NS_IMETHOD ImgDCBInitTransparentPixel()=0;
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NS_IMETHOD ImgDCBDestroyTransparentPixel()=0;
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NS_IMETHOD ImgDCBSetupColorspaceConverter()=0;
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NS_IMETHOD_(NI_ColorSpace *) ImgDCBCreateGreyScaleColorSpace()=0;
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NS_IMETHOD_(void*) ImgDCBSetTimeout(TimeoutCallbackFunction func, void* closure, uint32 msecs)=0;
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NS_IMETHOD ImgDCBClearTimeout(void *timer_id)=0;
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NS_IMETHOD ImgDCBHaveHdr(int destwidth, int destheight )=0;
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NS_IMETHOD ImgDCBHaveRow(uint8 *rowbuf, uint8* rgbrow, int x_offset, int len,
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int row, int dup_rowcnt, uint8 draw_mode,
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int pass )=0;
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NS_IMETHOD ImgDCBHaveImageFrame()=0;
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NS_IMETHOD ImgDCBHaveImageAll()=0;
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NS_IMETHOD ImgDCBError()=0;
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private:
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void *mContainer;
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};
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#endif
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/* -*- Mode: C; tab-width: 4 -*-
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*
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*/
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#include "nsIImgDecoder.h"
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/*---------------------------------------------*/
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/*-----------------class-----------------------*/
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class ImgDCallbk : public nsIImgDCallbk
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{
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public:
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NS_DECL_ISUPPORTS
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ImgDCallbk(il_container *aContainer){mContainer=aContainer;};
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~ImgDCallbk(){};
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NS_IMETHOD ImgDCBFlushImage();
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NS_IMETHOD ImgDCBImageSize();
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NS_IMETHOD ImgDCBResetPalette();
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NS_IMETHOD ImgDCBInitTransparentPixel();
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NS_IMETHOD ImgDCBDestroyTransparentPixel();
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NS_IMETHOD ImgDCBSetupColorspaceConverter();
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NS_IMETHOD_(NI_ColorSpace *) ImgDCBCreateGreyScaleColorSpace();
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NS_IMETHOD_(void*) ImgDCBSetTimeout(TimeoutCallbackFunction func,
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void* closure, uint32 msecs);
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NS_IMETHOD ImgDCBClearTimeout(void *timer_id);
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/* callbacks from the decoder */
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NS_IMETHOD ImgDCBHaveHdr(int destwidth, int destheight);
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NS_IMETHOD ImgDCBHaveRow(uint8*, uint8*,
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int, int, int, int,
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uint8 , int);
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NS_IMETHOD ImgDCBHaveImageFrame();
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NS_IMETHOD ImgDCBHaveImageAll();
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NS_IMETHOD ImgDCBError();
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NS_IMETHODIMP CreateInstance(const nsCID &aClass,
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il_container* ic,
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const nsIID &aIID,
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void **ppv) ;
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il_container *GetContainer() {return mContainer; };
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il_container *SetContainer(il_container *ic) {mContainer=ic; return ic; };
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private:
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il_container* mContainer;
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};
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/*-------------------------------*/
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsImgDecCIID_h__
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#define nsImgDecCIID_h__
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#include "nsRepository.h"
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/* f00c22b0-bbd2-11d2-802c-0060088f91a3 */
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#define NS_IIMGDECODER_IID \
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{ 0xf00c22b0, 0xbbd2, 0x11d2, \
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{ 0x80, 0x2c, 0x00, 0x60, 0x08, 0x8f, 0x91, 0xa3 } }
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/////////////////////////////////////////////////
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#define NS_IMGDECODER_CID \
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{ 0xc9089cc0, 0xbaf4, 0x11d2, \
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{ 0x80, 0x2c, 0x00, 0x60, 0x08, 0x8f, 0x91, 0xa3 } }
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/* bc60b730-bbcf-11d2-802c-0060088f91a3 */
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#define NS_IMGDECODER_IID \
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{ 0xbc60730, 0xbbcf, 0x11d2, \
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{ 0x80, 0x2c, 0x00, 0x60, 0x08, 0x8f, 0x91, 0xa3 } }
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NS_DEFINE_IID(kImgDecoderIID, NS_IMGDECODER_IID);
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NS_DEFINE_IID(kImgDecoderCID, NS_IMGDECODER_CID);
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////////////////////////////////////////////////
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NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
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/////////////////////////////////////////////////
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/* e41ac650-cd9f-11d2-802c-0060088f91a3 */
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#define NS_IMGDCALLBK_CID \
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{ 0xe41ac650, 0xcd9f, 0x11d2, \
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{ 0x80, 0x2c, 0x00, 0x60, 0x08, 0x8f, 0x91, 0xa3 } }
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/* d34a2f20-cd9f-11d2-802c-0060088f91a3 */
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#define NS_IMGDCALLBK_IID \
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{ 0xd34a2f20, 0xcd9f, 0x11d2, \
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{ 0x80, 0x2c, 0x00, 0x60, 0x08, 0x8f, 0x91, 0xa3 } }
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#endif
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@ -0,0 +1,26 @@
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
|
||||
* Version 1.0 (the "NPL"); you may not use this file except in
|
||||
* compliance with the NPL. You may obtain a copy of the NPL at
|
||||
* http://www.mozilla.org/NPL/
|
||||
*
|
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* Software distributed under the NPL is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
||||
* for the specific language governing rights and limitations under the
|
||||
* NPL.
|
||||
*
|
||||
* The Initial Developer of this code under the NPL is Netscape
|
||||
* Communications Corporation. Portions created by Netscape are
|
||||
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
||||
* Reserved.
|
||||
*/
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#ifndef nsImgDec_h___
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#define nsImgDec_h___
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#include "nsIFactory.h"
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#endif
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