65 lines
2.3 KiB
C++
65 lines
2.3 KiB
C++
#ifndef PLOTBITMAP_H
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#define PLOTBITMAP_H
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#include <QObject>
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#include <QPainter>
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#include <QBitmap>
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#include <QFile>
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//#include <gdiplus.h>
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//BMP文件头（14字节）
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typedef struct /**** BMP file header structure ****/
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{
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unsigned short bfType; /* 类型 */
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unsigned int bfSize; /* 整个bmp文件大小 */
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unsigned short bfReserved1; /* Reserved */
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unsigned short bfReserved2; /* ... */
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unsigned int bfOffBits; /* 偏移数，位图文件头+位图信息头+调色板大小 */
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} BmpHeader;
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//位图信息头（40字节）
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typedef struct /**** BMP file info structure ****/
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{
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unsigned int biSize; /* Size of info header */
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int biWidth; /* Width of image */
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int biHeight; /* Height of image */
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unsigned short biPlanes; /* Number of color planes */
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unsigned short biBitCount; /* Number of bits per pixel */
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unsigned int biCompression; /* Type of compression to use */
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unsigned int biSizeImage; /* Size of image data */
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int biXPelsPerMeter; /* X pixels per meter */
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int biYPelsPerMeter; /* Y pixels per meter */
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unsigned int biClrUsed; /* Number of colors used */
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unsigned int biClrImportant; /* Number of important colors */
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} BmpInfo;
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class PlotBitmap : public QObject
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{
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Q_OBJECT
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public:
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explicit PlotBitmap(QObject *parent = NULL);
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public:
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//创建单色的位图
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//输入参数:
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// bTransparent 透明显示
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// crBkColor 背景颜色(在透明显示时位图中颜色为crBkColor的点将不被显示在纸样上)
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// iWidth 位图的宽,单位:像素
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// iHeight 位图的高,单位:像素
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// iStride 位图每行的字节数
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// nPixFormat 位图点的格式(见GDI+中BitmapData类PixelFormat的定义)
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// pBmpData 位图数据(保存数据的顺序是从左到右,从上到下)
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//返回值:
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// NULL 失败
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// 非NULL 新生成的位图指针
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//QBitmap Create1BPPBitmap(int bTransparent,int crBkColor,int iWidth,int iHeight,int iStride,int nPixFormat,char *pBmpData);
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QBitmap Create1BPPBitmap(int iWidth,int iHeight,unsigned char *pBmpData);
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void SetUncharBit(unsigned char & dat, int index, int val);
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signals:
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public slots:
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};
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#endif // PLOTBITMAP_H
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