зеркало из https://github.com/mozilla/pjs.git
use gdk to draw decoded images to the root window :-)
This commit is contained in:
pavlov%netscape.com
Родитель
e5f6a8739a
Коммит
040144ae35
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@ -1,161 +0,0 @@
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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 Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 2000-2001 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@netscape.com>
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*/
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#include "nsImage.h"
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#include "nsUnitConverters.h"
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NS_IMPL_ISUPPORTS1(nsImage, nsIImage2)
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nsImage::nsImage() :
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mBits(nsnull)
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{
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NS_INIT_ISUPPORTS();
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/* member initializers and constructor code */
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}
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nsImage::~nsImage()
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{
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/* destructor code */
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delete[] mBits;
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mBits = nsnull;
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}
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/* void init (in gfx_dimension aWidth, in gfx_dimension aHeight, in gfx_format aFormat); */
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NS_IMETHODIMP nsImage::Init(gfx_dimension aWidth, gfx_dimension aHeight, gfx_format aFormat)
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{
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if (aWidth <= 0 || aHeight <= 0) {
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printf("error - negative image size\n");
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return NS_ERROR_FAILURE;
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}
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mSize.SizeTo(aWidth, aHeight);
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mFormat = aFormat;
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switch (aFormat) {
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case nsIGFXFormat::RGB:
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case nsIGFXFormat::RGB_A1:
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case nsIGFXFormat::RGB_A8:
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mDepth = 24;
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break;
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case nsIGFXFormat::RGBA:
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mDepth = 32;
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break;
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default:
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printf("unsupposed gfx_format\n");
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break;
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}
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PRInt32 ceilWidth(GFXCoordToIntCeil(mSize.width));
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mBytesPerRow = (ceilWidth * mDepth) >> 5;
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if ((ceilWidth * mDepth) & 0x1F)
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mBytesPerRow++;
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mBytesPerRow <<= 2;
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mBitsLength = mBytesPerRow * GFXCoordToIntCeil(mSize.height);
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mBits = new PRUint8[mBitsLength];
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return NS_OK;
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}
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/* void initFromDrawable (in nsIDrawable aDrawable, in gfx_coord aX, in gfx_coord aY, in gfx_dimension aWidth, in gfx_dimension aHeight); */
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NS_IMETHODIMP nsImage::InitFromDrawable(nsIDrawable *aDrawable, gfx_coord aX, gfx_coord aY, gfx_dimension aWidth, gfx_dimension aHeight)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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/* readonly attribute gfx_dimension width; */
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NS_IMETHODIMP nsImage::GetWidth(gfx_dimension *aWidth)
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{
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if (!mBits)
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return NS_ERROR_NOT_INITIALIZED;
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*aWidth = mSize.width;
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return NS_OK;
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}
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/* readonly attribute gfx_dimension height; */
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NS_IMETHODIMP nsImage::GetHeight(gfx_dimension *aHeight)
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{
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if (!mBits)
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return NS_ERROR_NOT_INITIALIZED;
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*aHeight = mSize.height;
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return NS_OK;
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}
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/* readonly attribute gfx_format format; */
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NS_IMETHODIMP nsImage::GetFormat(gfx_format *aFormat)
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{
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if (!mBits)
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return NS_ERROR_NOT_INITIALIZED;
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*aFormat = mFormat;
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return NS_OK;
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}
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/* readonly attribute unsigned long bytesPerRow; */
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NS_IMETHODIMP nsImage::GetBytesPerRow(PRUint32 *aBytesPerRow)
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{
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if (!mBits)
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return NS_ERROR_NOT_INITIALIZED;
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*aBytesPerRow = mBytesPerRow;
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return NS_OK;
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}
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/* readonly attribute unsigned long bitsLength; */
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NS_IMETHODIMP nsImage::GetBitsLength(PRUint32 *aBitsLength)
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{
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if (!mBits)
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return NS_ERROR_NOT_INITIALIZED;
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*aBitsLength = mBitsLength;
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return NS_OK;
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}
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/* void getBits([array, size_is(length)] out PRUint8 bits, out unsigned long length); */
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NS_IMETHODIMP nsImage::GetBits(PRUint8 **aBits, PRUint32 *length)
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{
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if (!mBits)
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return NS_ERROR_NOT_INITIALIZED;
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*aBits = mBits;
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*length = mBitsLength;
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return NS_OK;
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}
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/* void setBits ([array, size_is (length), const] in PRUint8 data, in unsigned long length, in long offset); */
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NS_IMETHODIMP nsImage::SetBits(const PRUint8 *data, PRUint32 length, PRInt32 offset)
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{
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if (!mBits)
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return NS_ERROR_NOT_INITIALIZED;
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memcpy(mBits + offset, data, length);
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return NS_OK;
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}
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