+++ /dev/null
-/*M///////////////////////////////////////////////////////////////////////////////////////
-//
-// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
-//
-// By downloading, copying, installing or using the software you agree to this license.
-// If you do not agree to this license, do not download, install,
-// copy or use the software.
-//
-//
-// Intel License Agreement
-// For Open Source Computer Vision Library
-//
-// Copyright (C) 2000, Intel Corporation, all rights reserved.
-// Third party copyrights are property of their respective owners.
-//
-// Redistribution and use in source and binary forms, with or without modification,
-// are permitted provided that the following conditions are met:
-//
-// * Redistribution's of source code must retain the above copyright notice,
-// this list of conditions and the following disclaimer.
-//
-// * Redistribution's in binary form must reproduce the above copyright notice,
-// this list of conditions and the following disclaimer in the documentation
-// and/or other materials provided with the distribution.
-//
-// * The name of Intel Corporation may not be used to endorse or promote products
-// derived from this software without specific prior written permission.
-//
-// This software is provided by the copyright holders and contributors "as is" and
-// any express or implied warranties, including, but not limited to, the implied
-// warranties of merchantability and fitness for a particular purpose are disclaimed.
-// In no event shall the Intel Corporation or contributors be liable for any direct,
-// indirect, incidental, special, exemplary, or consequential damages
-// (including, but not limited to, procurement of substitute goods or services;
-// loss of use, data, or profits; or business interruption) however caused
-// and on any theory of liability, whether in contract, strict liability,
-// or tort (including negligence or otherwise) arising in any way out of
-// the use of this software, even if advised of the possibility of such damage.
-//
-//M*/
-
-//
-// Image.cpp: implementation of the CvvImage class.
-//
-//////////////////////////////////////////////////////////////////////
-
-#include "_highgui.h"
-
-#if defined __cplusplus && (!defined WIN32 || !defined __GNUC__)
-
-//////////////////////////////////////////////////////////////////////
-// Construction/Destruction
-//////////////////////////////////////////////////////////////////////
-
-CvvImage::CvvImage()
-{
- m_img = 0;
-}
-
-void CvvImage::Destroy()
-{
- cvReleaseImage( &m_img );
-}
-
-CvvImage::~CvvImage()
-{
- Destroy();
-}
-
-bool CvvImage::Create( int w, int h, int bpp, int origin )
-{
- const unsigned max_img_size = 10000;
-
- if( (bpp != 8 && bpp != 24 && bpp != 32) ||
- (unsigned)w >= max_img_size || (unsigned)h >= max_img_size ||
- (origin != IPL_ORIGIN_TL && origin != IPL_ORIGIN_BL))
- {
- assert(0); // most probably, it is a programming error
- return false;
- }
-
- if( !m_img || Bpp() != bpp || m_img->width != w || m_img->height != h )
- {
- if( m_img && m_img->nSize == sizeof(IplImage))
- Destroy();
-
- /* prepare IPL header */
- m_img = cvCreateImage( cvSize( w, h ), IPL_DEPTH_8U, bpp/8 );
- }
-
- if( m_img )
- m_img->origin = origin == 0 ? IPL_ORIGIN_TL : IPL_ORIGIN_BL;
-
- return m_img != 0;
-}
-
-void CvvImage::CopyOf( CvvImage& image, int desired_color )
-{
- IplImage* img = image.GetImage();
- if( img )
- {
- CopyOf( img, desired_color );
- }
-}
-
-
-#define HG_IS_IMAGE(img) \
- ((img) != 0 && ((const IplImage*)(img))->nSize == sizeof(IplImage) && \
- ((IplImage*)img)->imageData != 0)
-
-
-void CvvImage::CopyOf( IplImage* img, int desired_color )
-{
- if( HG_IS_IMAGE(img) )
- {
- int color = desired_color;
- CvSize size = cvGetSize( img );
-
- if( color < 0 )
- color = img->nChannels > 1;
-
- if( Create( size.width, size.height,
- (!color ? 1 : img->nChannels > 1 ? img->nChannels : 3)*8,
- img->origin ))
- {
- cvConvertImage( img, m_img, 0 );
- }
- }
-}
-
-
-bool CvvImage::Load( const char* filename, int desired_color )
-{
- IplImage* img = cvLoadImage( filename, desired_color );
- if( !img )
- return false;
-
- CopyOf( img, desired_color );
- cvReleaseImage( &img );
-
- return true;
-}
-
-
-bool CvvImage::LoadRect( const char* filename,
- int desired_color, CvRect r )
-{
- if( r.width < 0 || r.height < 0 ) return false;
-
- IplImage* img = cvLoadImage( filename, desired_color );
- if( !img )
- return false;
-
- if( r.width == 0 || r.height == 0 )
- {
- r.width = img->width;
- r.height = img->height;
- r.x = r.y = 0;
- }
-
- if( r.x > img->width || r.y > img->height ||
- r.x + r.width < 0 || r.y + r.height < 0 )
- {
- cvReleaseImage( &img );
- return false;
- }
-
- /* truncate r to source image */
- if( r.x < 0 )
- {
- r.width += r.x;
- r.x = 0;
- }
- if( r.y < 0 )
- {
- r.height += r.y;
- r.y = 0;
- }
-
- if( r.x + r.width > img->width )
- r.width = img->width - r.x;
-
- if( r.y + r.height > img->height )
- r.height = img->height - r.y;
-
- cvSetImageROI( img, r );
- CopyOf( img, desired_color );
-
- cvReleaseImage( &img );
- return true;
-}
-
-
-bool CvvImage::Save( const char* filename )
-{
- if( !m_img )
- return false;
- cvSaveImage( filename, m_img );
- return true;
-}
-
-
-void CvvImage::Show( const char* window )
-{
- if( m_img )
- cvShowImage( window, m_img );
-}
-
-
-#ifdef WIN32
-
-void CvvImage::Show( HDC dc, int x, int y, int w, int h, int from_x, int from_y )
-{
- if( m_img && m_img->depth == IPL_DEPTH_8U )
- {
- uchar buffer[sizeof(BITMAPINFOHEADER) + 1024];
- BITMAPINFO* bmi = (BITMAPINFO*)buffer;
- int bmp_w = m_img->width, bmp_h = m_img->height;
-
- FillBitmapInfo( bmi, bmp_w, bmp_h, Bpp(), m_img->origin );
-
- from_x = MIN( MAX( from_x, 0 ), bmp_w - 1 );
- from_y = MIN( MAX( from_y, 0 ), bmp_h - 1 );
-
- int sw = MAX( MIN( bmp_w - from_x, w ), 0 );
- int sh = MAX( MIN( bmp_h - from_y, h ), 0 );
-
- SetDIBitsToDevice(
- dc, x, y, sw, sh, from_x, from_y, from_y, sh,
- m_img->imageData + from_y*m_img->widthStep,
- bmi, DIB_RGB_COLORS );
- }
-}
-
-
-void CImage::DrawToHDC( HDC hDCDst, RECT* pDstRect )
-{
- if( pDstRect && m_img && m_img->depth == IPL_DEPTH_8U && m_img->imageData )
- {
- uchar buffer[sizeof(BITMAPINFOHEADER) + 1024];
- BITMAPINFO* bmi = (BITMAPINFO*)buffer;
- int bmp_w = m_img->width, bmp_h = m_img->height;
-
- CvRect roi = cvGetImageROI( m_img );
- CvRect dst = RectToCvRect( *pDstRect );
-
- if( roi.width == dst.width && roi.height == dst.height )
- {
- Show( hDCDst, dst.x, dst.y, dst.width, dst.height, roi.x, roi.y );
- return;
- }
-
- if( roi.width > dst.width )
- {
- SetStretchBltMode(
- hDCDst, // handle to device context
- HALFTONE );
- }
- else
- {
- SetStretchBltMode(
- hDCDst, // handle to device context
- COLORONCOLOR );
- }
-
- FillBitmapInfo( bmi, bmp_w, bmp_h, Bpp(), m_img->origin );
-
- ::StretchDIBits(
- hDCDst,
- dst.x, dst.y, dst.width, dst.height,
- roi.x, roi.y, roi.width, roi.height,
- m_img->imageData, bmi, DIB_RGB_COLORS, SRCCOPY );
- }
-}
-
-#endif
-
-void CvvImage::Fill( int color )
-{
- cvSet( m_img, cvScalar(color&255,(color>>8)&255,(color>>16)&255,(color>>24)&255) );
-}
-
-#endif
-
-/* End of file. */
projects / opencv / blobdiff