mmidc_review.c

手机Camera部分上层软件代码

/*****************************************************************************
** File Name:      mmidc_review.c                                            *
** Author:                                                                   *
** Date:           2005-8	                                                 *
** Copyright:      2003 Spreadtrum, Incorporated. All Rights Reserved.         *
** Description:    This file is used to describe dc review                   *
*****************************************************************************
**                         Important Edit History                            *
** --------------------------------------------------------------------------*
** DATE           NAME             DESCRIPTION                               *
** 08/2005       Bruce.Chi           Create									 *
*****************************************************************************/
#ifndef  _MMIDC_REVIEW_C_
#define _MMIDC_REVIEW_C_

/**--------------------------------------------------------------------------*
 **                         Include Files                                    *
 **--------------------------------------------------------------------------*/
#include "mmidc_internal.h"
#include "mmidisplay_data.h"
#ifdef _MMI_OCR
#ifdef WIN32
    #include "mmiocr_win32_simu.h"
#else
    #include "ocr_driver.h"
#endif
#endif
/**--------------------------------------------------------------------------*
 **                         MACRO DEFINITION                                 *
 **--------------------------------------------------------------------------*/


/**--------------------------------------------------------------------------*
 **                         STATIC DEFINITION                                *
 **--------------------------------------------------------------------------*/
static MMIDC_PHOTO_INFO_AFTER_REVIEW_T s_dc_photo_info_after_review;
static MMIDC_REVIEW_PHOTO_INFO_T		s_photo_review_info;
RECT_T                                  s_osd_char_disp_rect;

/*---------------------------------------------------------------------------*/
/*                          TYPE AND CONSTANT                                */
/*---------------------------------------------------------------------------*/


/**--------------------------------------------------------------------------*
 **                         EXTERNAL DECLARE                                 *
 **--------------------------------------------------------------------------*/
 
 
/**-------------------------------------------------------------------------*
**                         GLOBAL DEFINITION                                *
**--------------------------------------------------------------------------*/


/*---------------------------------------------------------------------------*/
/*                          LOCAL FUNCTION DECLARE                           */
/*---------------------------------------------------------------------------*/
/*****************************************************************************/
// 	Description : right trunk a number with 16
//	Global resource dependence : 
//  Author:bruce.chi
//	Note: 
/*****************************************************************************/
__inline LOCAL uint16 right_trunk_16(uint16 in_num);

/*****************************************************************************/
// 	Description : right trunk a number with 8
//	Global resource dependence : 
//  Author:bruce.chi
//	Note: 
/*****************************************************************************/
__inline LOCAL uint16 right_trunk_8(uint16 in_num);

/*****************************************************************************/
// 	Description : left trunk a number with 2
//	Global resource dependence : 
//  Author:bruce.chi
//	Note: 
/*****************************************************************************/
__inline LOCAL uint16 left_trunk_2(uint16 in_num);

/*****************************************************************************/
// 	Description : right trunk a number with 2
//	Global resource dependence : 
//  Author:bruce.chi
//	Note: 
/*****************************************************************************/
__inline LOCAL uint16 right_trunk_2(uint16 in_num);

/*****************************************************************************/
// 	Description : display photo, 
//	Global resource dependence : 
//  Author:
//	Note: standard interface copied form digitalcamera.h
//			disp_rect的计算是根据原图的大小，取一个大的缩小scale系数，然后除出来的。
/*****************************************************************************/
LOCAL int DCAdap_ReviewPhotoCallBack(/*when DCAM encount SOF0, it will call this function*/
									/* returns: 0 successful, others failed*/
	int b_validate,					/* indicate if the stream is validate*/  
	uint16 w_photo_width,           /* if stream is validate, it refer to image width*/
	uint16 w_photo_height           /* if stream is validate, it refer to image height*/
	)
{
	DC_REVIEW_PARAM_T	st_param = {0};

	uint16				lcd_width = 0;
	uint16				lcd_height = 0;

	uint16				trim_width = 0;
	uint16				trim_height = 0;

	uint16				disp_width = 0;
	uint16				disp_height = 0;
	SCI_TRACE_LOW("DCAdap_ReviewPhotoCallBack");	
	if (b_validate)
	{		
		//save the photo info
		s_dc_photo_info_after_review.width = w_photo_width;
		s_dc_photo_info_after_review.height = w_photo_height;

		st_param.i_lcd			= s_photo_review_info.i_lcd;
		st_param.b_postfilter	= MMIDC_REVIEW_POSTFILTER_STATE;
		st_param.i_smooth		= MMIDC_REVIEW_I_SMOOTH;
              st_param.b_is_scale = 1;
		
		if (s_photo_review_info.e_review_type == REVIEW_WHOLE_PHOTO)
		{
			// review时st_trim_rect的起点，建议设在16的整数倍上，st_trim_rect的长宽也建议设成16的整数倍
			// st_trim_rect不能位于回放图像的原始尺寸之外
			// st_trim_rect位于原图的中部
			if (s_photo_review_info.i_lcd == MAIN_LCD_ID)
			{
                        trim_width = MIN(w_photo_width, w_photo_height * MMIDC_MAINSCREEN_WIDTH / MMIDC_MAINSCREEN_HEIGHT);
                        trim_height= MIN(w_photo_height, w_photo_width * MMIDC_MAINSCREEN_HEIGHT / MMIDC_MAINSCREEN_WIDTH);
			}
			else
			{
                        trim_width = MIN(w_photo_width, w_photo_height * MMI_SUBSCREEN_WIDTH / MMI_SUBSCREEN_HEIGHT);
                        trim_height= MIN(w_photo_height, w_photo_width * MMI_SUBSCREEN_HEIGHT / MMI_SUBSCREEN_WIDTH);
			}
			SCI_TRACE_LOW("w_photo_width =%d,trim_width =%d,w_photo_height=%d",w_photo_width,trim_width,w_photo_height);
			
			trim_width = right_trunk_16(trim_width);
			trim_height = right_trunk_8(trim_height);
			st_param.st_trim_rect.w_width = trim_width;
			st_param.st_trim_rect.w_height = trim_height;
			st_param.st_trim_rect.w_start_x	= right_trunk_16((w_photo_width - trim_width) / 2);
			st_param.st_trim_rect.w_start_y = right_trunk_8((w_photo_height - trim_height) / 2);
                    SCI_TRACE_LOW("DCAdap_ReviewPhotoCallBack:trim_width=%d,trim_height=%d,start_x=%d,start_y=%d",
                        trim_width,trim_height,st_param.st_trim_rect.w_start_x,st_param.st_trim_rect.w_start_y);

			// st_disp_rect 在x方向上必须是偶数，即2 pixel对齐;
			// st_disp_rect不能大于st_trim_rect
			// st_disp_rect不超过LCD边界
			// st_disp_rect跟原图的x,y方向的scale down系数应该都一样
			// st_disp_rect位于LCD的中部
			if (s_photo_review_info.i_lcd == MAIN_LCD_ID)
			{
				lcd_width = left_trunk_2(MMIDC_MAINSCREEN_WIDTH);
				lcd_height = left_trunk_2(MMIDC_MAINSCREEN_HEIGHT);
			}
			else
			{
				lcd_width = left_trunk_2(MMI_SUBSCREEN_WIDTH);
				lcd_height = left_trunk_2(MMI_SUBSCREEN_HEIGHT);
			}

			if ((trim_width < lcd_width) && (trim_height < lcd_height))
			{
				disp_width = trim_width;
				disp_height = trim_height;
			}
			else
			{
				//st_disp_rect跟原图的x,y方向的scale down系数应该都一样
				disp_width = MIN(lcd_width, trim_width * lcd_height/ trim_height);
				disp_width = right_trunk_2(disp_width);
				disp_height	= MIN(trim_height * lcd_width / trim_width, lcd_height);
				disp_height = right_trunk_2(disp_height);
			}
			//middle
			st_param.st_disp_rect.w_width = disp_width;
			st_param.st_disp_rect.w_height = disp_height;
			st_param.st_disp_rect.w_start_x = left_trunk_2((lcd_width - disp_width) / 2);
			st_param.st_disp_rect.w_start_y = left_trunk_2((lcd_height - disp_height) / 2);

                    SCI_TRACE_LOW("DCAdap_ReviewPhotoCallBack:disp_width=%d,disp_height=%d,start_x=%d,start_y=%d",
                        disp_width,disp_height,st_param.st_disp_rect.w_start_x,st_param.st_disp_rect.w_start_y);
		}
		else if (s_photo_review_info.e_review_type == REVIEW_PART_PHOTO)
		{
			// review时st_trim_rect的起点，建议设在16的整数倍上，st_trim_rect的长宽也建议设成16的整数倍
			// st_trim_rect不能位于回放图像的原始尺寸之外
			// st_trim_rect位于原图的中部
			trim_width = right_trunk_16(w_photo_width);
			trim_height = right_trunk_16(w_photo_height);

			if (s_photo_review_info.i_lcd == MAIN_LCD_ID)
			{
				lcd_width = left_trunk_2(MMIDC_MAINSCREEN_WIDTH);
				lcd_height = left_trunk_2(MMIDC_MAINSCREEN_HEIGHT);
			}
			else
			{
				lcd_width = left_trunk_2(MMI_SUBSCREEN_WIDTH);
				lcd_height = left_trunk_2(MMI_SUBSCREEN_HEIGHT);
			}

			st_param.st_trim_rect.w_start_x	= right_trunk_16(s_photo_review_info.x_start);
			st_param.st_trim_rect.w_start_y = right_trunk_16(s_photo_review_info.y_start);
			st_param.st_trim_rect.w_width = MIN(lcd_width, trim_width - st_param.st_trim_rect.w_start_x);
			st_param.st_trim_rect.w_width = right_trunk_16(st_param.st_trim_rect.w_width);
			st_param.st_trim_rect.w_height = MIN(lcd_height, trim_height - st_param.st_trim_rect.w_start_y);
			st_param.st_trim_rect.w_height = right_trunk_16(st_param.st_trim_rect.w_height);

			// st_disp_rect 在x方向上必须是偶数，即2 pixel对齐;
			// st_disp_rect不能大于st_trim_rect
			// st_disp_rect不超过LCD边界
			// st_disp_rect跟原图的x,y方向的scale down系数应该都一样
			// st_disp_rect位于LCD的中部

			if ((trim_width < lcd_width) && (trim_height < lcd_height))
			{
				disp_width = trim_width;
				disp_height = trim_height;