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C++ ImgFile_Ptr::ReleaseImgFileHandle方法代码示例

本文整理汇总了C++中ImgFile_Ptr::ReleaseImgFileHandle方法的典型用法代码示例。如果您正苦于以下问题：C++ ImgFile_Ptr::ReleaseImgFileHandle方法的具体用法？C++ ImgFile_Ptr::ReleaseImgFileHandle怎么用？C++ ImgFile_Ptr::ReleaseImgFileHandle使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ImgFile_Ptr的用法示例。


在下文中一共展示了ImgFile_Ptr::ReleaseImgFileHandle方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: read_mask_pixels

static bool read_mask_pixels(
	FILE* fp,
	PsdLayerData* pLayerData,
	ImgFile_Ptr pFile,
	ImgLayerGroup_Ptr pLayerGroup)
{
	int i,j;
	AddNewLayerHandle* handle = (AddNewLayerHandle*)pFile->CreateImgFileHandle(IFH_ADD_NEW_LAYER );
	handle->SetNewLayerRect(&(pLayerData->rect));
	handle->Do( pFile );
	ImgLayer_Ptr new_layer = handle->GetNewLayer().lock();
	pFile->ReleaseImgFileHandle(handle);
	handle = NULL;

	//set blend forurCC
	new_layer->SetLayerSynthFourCC( LayerSynthesizerMG::GetAlphaMaskLayerSynthFourCC() );

	pFile->SetSelectLayer( new_layer );

	//set name
	char mask_name[MAX_IMG_LAYER_NAME + 32];
	sprintf(mask_name, "%s マスク", pLayerData->name);
	new_layer->SetName( mask_name );

	int c_width  = pLayerData->rect.right - pLayerData->rect.left;
	int c_height = pLayerData->rect.bottom - pLayerData->rect.top; 

	IplImage* channel;
	IplImage* alpha;
	channel = cvCreateImage(cvSize(c_width, c_height), IPL_DEPTH_8U, 1);
	alpha = cvCreateImage(cvSize(c_width, c_height), IPL_DEPTH_8U, 1);

	if(!read_channel_pixels(fp, channel, c_width, c_height, pLayerData->depth, false)){
		return false;
	}

	//set alpha channel
	cvSet(alpha, cvScalar(255));

	new_layer->Merge(
		pLayerData->rect.left,
		pLayerData->rect.top,
		pLayerData->rect.right - pLayerData->rect.left,
		pLayerData->rect.bottom - pLayerData->rect.top,
		channel,
		channel,
		channel,
		alpha);

	LPUPDATE_DATA pData = new_layer->CreateUpdateData();
	pData->isAll = true;
	new_layer->PushUpdateData( pData );

	return true;
}
开发者ID:，项目名称:，代码行数:55，代码来源:

示例2: read_psd_merged_image

static bool read_psd_merged_image(
	FILE* fp,
	ImgFile_Ptr pFile,
	PsdHeader* header)
{
	int i,j,k;

	AddNewLayerHandle* handle = (AddNewLayerHandle*)pFile->CreateImgFileHandle(IFH_ADD_NEW_LAYER );
	handle->Do( pFile );
	ImgLayer_Ptr new_layer = handle->GetNewLayer().lock();
	pFile->ReleaseImgFileHandle(handle);
	handle = NULL;

	pFile->SetSelectLayer( new_layer );

	IplImage* channels[4];
	for(i=0; i<4; i++){
		channels[i] = cvCreateImage(cvSize(header->col, header->row), IPL_DEPTH_8U, 1);
	}

	int bytes_per_pixel = header->depth / 8;
	int bytes_per_row = header->col * bytes_per_pixel;
	int total_bytes = bytes_per_row * header->row;

	int extra_channels;

	switch(header->mode){
		case PSD_COLOR_MODE_RGB:
			extra_channels = header->channels - 3;
	}

	uint16_t** rle_pack_len = (uint16_t**) malloc(sizeof(uint16_t*) * header->channels);
	memset(rle_pack_len, 0, sizeof(uint16_t*) * header->channels);

	uint16_t compression = read_2byte_BE(fp);
	switch(compression){
		case PSD_CM_NONE:
			{
				for(i=0; i<header->channels; i++){
					uint8_t* dst = GetPixelAddress(channels[i], 0, 0);
					if(!fread(dst, total_bytes, 1, fp)){
						return false;
					}
				}
			}
			break;
		case PSD_CM_RLE:
			{
				for(i=0; i<header->channels; i++){
					rle_pack_len[i] = (uint16_t*) malloc(sizeof(uint16_t) * header->row);
					for(j=0; j<header->row; j++){
						rle_pack_len[i][j] = read_2byte_BE(fp);
					}
				}

				for(i=0; i<header->channels; i++){
					for(j=0; j<header->row; j++){
						uint8_t* src = (uint8_t*) malloc(rle_pack_len[i][j]);
						uint8_t* dst = GetPixelAddress(channels[i], 0, j);

						if(!fread(src, rle_pack_len[i][j], 1, fp)){
							return false;
						}

						decode_rle((int8_t*)src, rle_pack_len[i][j], bytes_per_row, (int8_t*)dst);

						free(src);
					}
				}
			}
			break;
	}

	if(rle_pack_len){
		for(i=0; i<header->channels; i++){
			if(rle_pack_len[i]){
				free(rle_pack_len[i]);
			}
		}
		free(rle_pack_len);
	}

	if(header->channels == 3){
		//set alpha channel
		cvSet(channels[3], cvScalar(255));
	}

	new_layer->Merge(
		0, 0,
		header->col,
		header->row,
		channels[2],
		channels[1],
		channels[0],
		channels[3]);

	LPUPDATE_DATA pData = new_layer->CreateUpdateData();
	pData->isAll = true;
	new_layer->PushUpdateData( pData );

//.........这里部分代码省略.........
开发者ID:，项目名称:，代码行数:101，代码来源:

示例3: read_psd_layer_group

static bool read_psd_layer_group(
	FILE* fp,
	int layer_num,
	PsdLayerData* psd_layers,
	int* layer_index,
	ImgFile_Ptr pFile,
	ImgLayerGroup_Ptr pLayerGroup)
{
	if((*layer_index) >= layer_num)
		return true;

	for(; (*layer_index)<layer_num; (*layer_index)++){

		switch(psd_layers[ (*layer_index) ].layer_type){
			case PSD_LAYER_TYPE::PSD_NORMAL_LAYER:
				if(!read_layer_pixels(fp, &psd_layers[ (*layer_index) ], pFile, pLayerGroup)){
					return false;
				}

				if(psd_layers[ (*layer_index) ].is_mask){
					if(!read_mask_pixels(fp, &psd_layers[ (*layer_index) ], pFile, pLayerGroup)){
						return false;
					}
				}
				break;
			case PSD_LAYER_TYPE::PSD_GROUP_LAYER:
				{
					int j;
					uint16_t compression;
					for(j=0; j<psd_layers[ (*layer_index) ].channel_num; j++){
						psd_layers[ (*layer_index) ].psd_channels[j].data_length;
						compression = read_2byte_BE(fp);
					}
					//
					pLayerGroup->SetName( psd_layers[ (*layer_index) ].name );
				}
				return true; //finish read layer 
			case PSD_LAYER_TYPE::PSD_CLOSE_GROUP_LAYER:
				{
					int j;
					uint16_t compression;
					for(j=0; j<psd_layers[ (*layer_index) ].channel_num; j++){
						psd_layers[ (*layer_index) ].psd_channels[j].data_length;
						compression = read_2byte_BE(fp);
					}

					(*layer_index)++;
					//create new layer group
					AddNewLayerGroupHandle* handle = (AddNewLayerGroupHandle*)pFile->CreateImgFileHandle(IFH_ADD_NEW_LAYER_GROUP );
					handle->Do( pFile );
					read_psd_layer_group(
						fp,
						layer_num,
						psd_layers,
						layer_index,
						pFile,
						handle->GetNewLayeyGroup().lock());

					pFile->SetSelectLayer( pLayerGroup );
					pFile->ReleaseImgFileHandle(handle);
					handle = NULL;
				}
				break;
		}
	}

	return true;
}
开发者ID:，项目名称:，代码行数:68，代码来源:

示例4: read_layer_pixels

static bool read_layer_pixels(
	FILE* fp,
	PsdLayerData* pLayerData,
	ImgFile_Ptr pFile,
	ImgLayerGroup_Ptr pLayerGroup)
{
	int i,j;

	//create new layer	
	AddNewLayerHandle* handle = (AddNewLayerHandle*)pFile->CreateImgFileHandle(IFH_ADD_NEW_LAYER );
	handle->SetNewLayerRect(&(pLayerData->rect));
	handle->Do( pFile );
	ImgLayer_Ptr new_layer = handle->GetNewLayer().lock();
	pFile->ReleaseImgFileHandle(handle);
	handle = NULL;

	//set layer synthesizer
	new_layer->SetLayerSynthFourCC( pLayerData->blend_fourcc );

	//set layer opacity
	new_layer->SetOpacity( pLayerData->opacity );

	pFile->SetSelectLayer( new_layer );

	//
	new_layer->SetName( pLayerData->name );
	new_layer->ExtendLayer(); //不足分があれば拡張

	IplImage* channels[4];
	CvSize size = cvSize(
		pLayerData->rect.right - pLayerData->rect.left,
		pLayerData->rect.bottom - pLayerData->rect.top);
	for(i=0; i<4; i++){
		channels[i] = cvCreateImage(size, IPL_DEPTH_8U, 1);
	}
	
	int c_width  = pLayerData->rect.right - pLayerData->rect.left;
	int c_height = pLayerData->rect.bottom - pLayerData->rect.top; 
	for(i=0; i<pLayerData->channel_num; i++){
		int cn=0;
		int16_t id = pLayerData->psd_channels[i].id;

		if(id == PSD_CHANNEL_MASK){
			read_mask_pixels(fp, pLayerData, pFile, pLayerGroup);
			pLayerData->is_mask = false;
			break;
		}

		switch(id){
			case PSD_CHANNEL_RED:
				cn = 2;
				break;
			case PSD_CHANNEL_GREEN:
				cn = 1;
				break;
			case PSD_CHANNEL_BLUE:
				cn = 0;
				break;
			case PSD_CHANNEL_ALPHA:
				cn = 3;
				break;
		}

		if(!read_channel_pixels(
			fp,
			channels[cn],
			c_width,
			c_height,
			pLayerData->depth,
			false))
		{
			return false;
		}
	}
	if(pLayerData->channel_num == 3){
		//set alpha channel
		cvSet(channels[3], cvScalar(255));
	}

	new_layer->Merge(
		pLayerData->rect.left,
		pLayerData->rect.top,
		pLayerData->rect.right - pLayerData->rect.left,
		pLayerData->rect.bottom - pLayerData->rect.top,
		channels[0],
		channels[1],
		channels[2],
		channels[3]);

	LPUPDATE_DATA pData = new_layer->CreateUpdateData();
	pData->isAll = true;
	new_layer->PushUpdateData( pData );

	cvReleaseImage( &channels[0] );
	cvReleaseImage( &channels[1] );
	cvReleaseImage( &channels[2] );
	cvReleaseImage( &channels[3] );

	return true;
}
开发者ID:，项目名称:，代码行数:100，代码来源:


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