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139 lines
3.5 KiB
C++
139 lines
3.5 KiB
C++
/* -*- 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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#pragma once
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#include "ntypes.h"
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#include "structs.h"
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#include "cstring.h"
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#include "Netscape_Constants.h"
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#include "libimg.h"
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class CBrowserContext;
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/*
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* Our internal Pixmap structure.
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*/
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typedef struct NS_PixMap
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{
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PixMap pixmap;
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Handle buffer_handle;
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void * image_buffer;
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int32 lock_count;
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Boolean tiled;
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} NS_PixMap;
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typedef struct DrawingState
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{
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short copyMode;
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NS_PixMap * pixmap;
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NS_PixMap * mask;
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} DrawingState;
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XP_BEGIN_PROTOS
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void ImageGroupObserver(XP_Observable observable,
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XP_ObservableMsg message,
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void* message_data,
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void* closure);
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/*
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* Macros that are here for historic reasons
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*/
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#define TRUNC_TO_MAX(LVALUE,MAX) ((LVALUE > MAX)? (LVALUE = MAX): LVALUE)
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#define TRUNC_TO_MIN(LVALUE,MAX) ((LVALUE > MAX)? (LVALUE = MAX): LVALUE)
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/*
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* High Level FE Palette Management
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*/
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void CreateImageContext (
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MWContext * context );
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void DestroyImageContext (
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MWContext * context );
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void SetImageContextBackgroundColor (
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MWContext * context,
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Uint8 inRed,
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Uint8 inGreen,
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Uint8 inBlue);
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GDHandle GetDeepestDevice (
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void );
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Boolean VerifyDisplayContextColorSpace (
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MWContext * context );
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/*
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* High level FE functions for image management.
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*/
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EClickKind FindImagePart (
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MWContext * context,
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LO_ImageStruct * image,
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SPoint32 * where,
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cstring * url,
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cstring * target,
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LO_AnchorData * & anchor );
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BOOL IsImageComplete (
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LO_ImageStruct * image );
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PicHandle ConvertImageElementToPICT(
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LO_ImageStruct * inElement);
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cstring GetURLFromImageElement(
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CBrowserContext * inOwningContext,
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LO_ImageStruct * inElement);
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/*
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* These used to be private, but need to be public so we can start using more images and
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* fewer icons (for things like toolbars, Aurora, etc.)
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*/
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/* width and height are the width/height of the destination rectangle. The image
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* will be scaled to fit withing that rect. */
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void DrawScaledImage ( DrawingState * state, Point topLeft, jint x_offset,
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jint y_offset, jint width, jint height );
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/* width and height are the width/height of the area into which you want to tile
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* the image and have nothing to do with the size of the image itself */
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void DrawTiledImage ( DrawingState * state, Point topLeft, jint x_offset,
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jint y_offset, jint width, jint height );
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OSErr PreparePixmapForDrawing ( IL_Pixmap * image, IL_Pixmap * mask, Boolean canCopyMask,
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DrawingState * state );
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void DoneDrawingPixmap ( IL_Pixmap * image, IL_Pixmap * mask, DrawingState * state );
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void LockFEPixmapBuffer ( NS_PixMap* inPixmap ) ;
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void UnlockFEPixmapBuffer ( NS_PixMap* inPixmap ) ;
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void DestroyFEPixmap ( NS_PixMap* fe_pixmap ) ;
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/*
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* Inline Utilities
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*/
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inline short GetDepth (GDHandle h) {
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return (* (*h)->gdPMap)->pixelSize;
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}
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XP_END_PROTOS
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