75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
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#ifndef __HGIMGPROC_H__
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#define __HGIMGPROC_H__
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#include "../base/HGDef.h"
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#include "../base/HGBaseErr.h"
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#include "HGImgProcErr.h"
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#include "../base/HGImage.h"
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/* 最近邻插值 */
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#define HGIMGPROC_INTERPOTYPE_NN 1L
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/* 双线性插值 */
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#define HGIMGPROC_INTERPOTYPE_LINEAR 2L
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/* 纠偏参数 */
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typedef struct
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{
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/* 填充 */
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HGBool fillBlank;
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HGBool convex;
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HGBool colorBlank;
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/* 其他参数 */
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HGBool useParam;
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HGDouble threshold;
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HGInt noise;
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HGInt indent;
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}HGImgDeskewParam;
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/* 图像缩放
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* 参数:
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* 1) image: in, 源图像句柄
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* 2) destImage: in, 目标图像句柄
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* 3) interpolation: in, 插值方式, 参见HGIMGPROC_INTERPOTYPE_*
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* 说明:
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* 1) 操作的只是图像的ROI区域
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* 2) 源图像和目标图像的type必须一样
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* 3) 自动处理origon不一致的情况
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* 4) image和destImage不能是同一个句柄
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*/
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HGEXPORT HGResult HGAPI HGImgProc_ResizeImage(HGImage image, HGImage destImage, HGUInt interp);
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/*
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* 图像色彩调整
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* 1) image: in, 源图像句柄
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* 2) destImage: in, 目标图像句柄
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* 3) brightness: in, 亮度增加值, -255至255之间
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* 4) contrast: in, 对比度增加值, -127至127之间
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* 5) gamma: 伽马增加值, 0.1至5.0之间
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* 说明:
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* 1) 操作的只是图像的ROI区域, ROI区域的大小必须一致
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* 2) 源图像和目标图像的type必须一样
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* 3) 自动处理origon不一致的情况
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* 4) image和destImage可以是同一个句柄
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*/
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HGEXPORT HGResult HGAPI HGImgProc_ImageAdjustColors(HGImage image, HGImage destImage,
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HGInt brightness, HGInt contrast, HGFloat gamma);
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/*
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* 图像纠偏
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* 1) image: in, 图像句柄
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* 2) autoCrop: in, 是否自动裁剪, 为HGTRUE则忽略destWidth和destHeight
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* 3) deskew: in, 是否纠偏
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* 4) param: in, 纠偏参数, 为NULL时使用默认参数
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* 5) destWidth: in, 目标图像宽度
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* 6) destHeight: in, 目标图像高度
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* 7) destType: in, 目标图像类型
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* 8) destOrigin: in, 目标图像数据排列方式
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* 9) destImage: out, 输出的目标图像句柄
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* * 说明:
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* 1) 操作的只是image的ROI区域
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* 2) 目前只支持image的类型为HGBASE_IMGTYPE_GRAY和HGBASE_IMGTYPE_RGB
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*/
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HGEXPORT HGResult HGAPI HGImgProc_ImageDeskew(HGImage image, HGBool autoCrop, HGBool deskew, const HGImgDeskewParam* param,
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HGUInt destWidth, HGUInt destHeight, HGUInt destType, HGUInt destOrigin, HGImage* destImage);
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#endif /* __HGIMGPROC_H__ */
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