如何调用图片_知识素材收录网

A. excel 中如何调用图片

进入插入菜单—图片—来自文件，在对话框中选择图片位置，选择图片名称，确定EXCEL不是万能的。你的设想是互动式的查询——判断——调用——显示；资料库

B. HTML网页开发中怎么调用图片（新手问题）

你好，图片代码如下：

<imgsrc="/images/logo.png"/>

希望能够帮到你，谢谢。

C. 怎么在HTML里调用图片

html.,CSS本身并不能调用图片，因为CSS是负责网页外观呈现的，调用图片只能在HTML里，代码实例为：<img src="图片地址" />不过CSS里可以指定一张图片昨晚背景图片。比如一个ID名为demo的元素HTML代码：<div id="demo">......</div>CSS代码可以这样写，demo就有背景了#demo { background:url(图片地址); }

D. 我想问一下，在C＋＋中怎么调用图片

看具体在那里使用了，下面提供操作bmp文件的代码。头文件bitmap.h/* * Windows BMP file definitions for OpenGL. * * Written by Michael Sweet. */#ifndef _BITMAP_H_# define _BITMAP_H_/* * Include necessary headers. */# include <GL/glut.h># ifdef WIN32# include <windows.h># include <wingdi.h># endif /* WIN32 *//* * Make this header file work with C and C++ source code... */# ifdef __cplusplusextern "C" {# endif /* __cplusplus *//* * Bitmap file data structures (these are defined in <wingdi.h> under * Windows...) * * Note that most Windows compilers will pack the following structures, so * when reading them under MacOS or UNIX we need to read indivial fields * to avoid differences in alignment... */# ifndef WIN32typedef struct /**** BMP file header structure ****/ { unsigned short bfType; /* Magic number for file */ unsigned int bfSize; /* Size of file */ unsigned short bfReserved1; /* Reserved */ unsigned short bfReserved2; /* ... */ unsigned int bfOffBits; /* Offset to bitmap data */ } BITMAPFILEHEADER;# define BF_TYPE 0x4D42 /* "MB" */typedef struct /**** BMP file info structure ****/ { unsigned int biSize; /* Size of info header */ int biWidth; /* Width of image */ int biHeight; /* Height of image */ unsigned short biPlanes; /* Number of color planes */ unsigned short biBitCount; /* Number of bits per pixel */ unsigned int biCompression; /* Type of compression to use */ unsigned int biSizeImage; /* Size of image data */ int biXPelsPerMeter; /* X pixels per meter */ int biYPelsPerMeter; /* Y pixels per meter */ unsigned int biClrUsed; /* Number of colors used */ unsigned int biClrImportant; /* Number of important colors */ } BITMAPINFOHEADER;/* * Constants for the biCompression field... */# define BI_RGB 0 /* No compression - straight BGR data */# define BI_RLE8 1 /* 8-bit run-length compression */# define BI_RLE4 2 /* 4-bit run-length compression */# define BI_BITFIELDS 3 /* RGB bitmap with RGB masks */typedef struct /**** Colormap entry structure ****/ { unsigned char rgbBlue; /* Blue value */ unsigned char rgbGreen; /* Green value */ unsigned char rgbRed; /* Red value */ unsigned char rgbReserved; /* Reserved */ } RGBQUAD;typedef struct /**** Bitmap information structure ****/ { BITMAPINFOHEADER bmiHeader; /* Image header */ RGBQUAD bmiColors[256]; /* Image colormap */ } BITMAPINFO;# endif /* !WIN32 *//* * Prototypes... */extern GLubyte *LoadDIBitmap(const char *filename, BITMAPINFO **info);extern int SaveDIBitmap(const char *filename, BITMAPINFO *info, GLubyte *bits);# ifdef __cplusplus}# endif /* __cplusplus */#endif /* !_BITMAP_H_ */源文件 bitmap.c/* * Windows BMP file functions for OpenGL. * * Written by Michael Sweet. */#include "bitmap.h"#include <stdio.h>#include <stdlib.h>#include <errno.h>#ifdef WIN32/* * 'LoadDIBitmap()' - Load a DIB/BMP file from disk. * * Returns a pointer to the bitmap if successful, NULL otherwise... */GLubyte * /* O - Bitmap data */LoadDIBitmap(const char *filename, /* I - File to load */ BITMAPINFO **info) /* O - Bitmap information */ { FILE *fp; /* Open file pointer */ GLubyte *bits; /* Bitmap pixel bits */ int bitsize; /* Size of bitmap */ int infosize; /* Size of header information */ BITMAPFILEHEADER header; /* File header *//* Try opening the file; use "rb" mode to read this *binary* file. */ if ((fp = fopen(filename, "rb")) == NULL) return (NULL); /* Read the file header and any following bitmap information... */ if (fread(&header, sizeof(BITMAPFILEHEADER), 1, fp) < 1) { /* Couldn't read the file header - return NULL... */ fclose(fp); return (NULL); } if (header.bfType != 'MB') /* Check for BM reversed... */ { /* Not a bitmap file - return NULL... */ fclose(fp); return (NULL); } infosize = header.bfOffBits - sizeof(BITMAPFILEHEADER); if ((*info = (BITMAPINFO *)malloc(infosize)) == NULL) { /* Couldn't allocate memory for bitmap info - return NULL... */ fclose(fp); return (NULL); } if (fread(*info, 1, infosize, fp) < infosize) { /* Couldn't read the bitmap header - return NULL... */ free(*info); fclose(fp); return (NULL); } /* Now that we have all the header info read in, allocate memory for * * the bitmap and read *it* in... */ if ((bitsize = (*info)->bmiHeader.biSizeImage) == 0) bitsize = ((*info)->bmiHeader.biWidth * (*info)->bmiHeader.biBitCount + 7) / 8 * abs((*info)->bmiHeader.biHeight); if ((bits = malloc(bitsize)) == NULL) { /* Couldn't allocate memory - return NULL! */ free(*info); fclose(fp); return (NULL); } if (fread(bits, 1, bitsize, fp) < bitsize) { /* Couldn't read bitmap - free memory and return NULL! */ free(*info); free(bits); fclose(fp); return (NULL); } /* OK, everything went fine - return the allocated bitmap... */ fclose(fp); return (bits); }/* * 'SaveDIBitmap()' - Save a DIB/BMP file to disk. * * Returns 0 on success or -1 on failure... */int /* O - 0 = success, -1 = failure */SaveDIBitmap(const char *filename, /* I - File to load */ BITMAPINFO *info, /* I - Bitmap information */ GLubyte *bits) /* I - Bitmap data */ { FILE *fp; /* Open file pointer */ int size, /* Size of file */ infosize, /* Size of bitmap info */ bitsize; /* Size of bitmap pixels */ BITMAPFILEHEADER header; /* File header *//* Try opening the file; use "wb" mode to write this *binary* file. */ if ((fp = fopen(filename, "wb")) == NULL) return (-1); /* Figure out the bitmap size */ if (info->bmiHeader.biSizeImage == 0) bitsize = (info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 7) / 8 * abs(info->bmiHeader.biHeight); else bitsize = info->bmiHeader.biSizeImage; /* Figure out the header size */ infosize = sizeof(BITMAPINFOHEADER); switch (info->bmiHeader.biCompression) { case BI_BITFIELDS : infosize += 12; /* Add 3 RGB doubleword masks */ if (info->bmiHeader.biClrUsed == 0) break; case BI_RGB : if (info->bmiHeader.biBitCount > 8 && info->bmiHeader.biClrUsed == 0) break; case BI_RLE8 : case BI_RLE4 : if (info->bmiHeader.biClrUsed == 0) infosize += (1 << info->bmiHeader.biBitCount) * 4; else infosize += info->bmiHeader.biClrUsed * 4; break; } size = sizeof(BITMAPFILEHEADER) + infosize + bitsize; /* Write the file header, bitmap information, and bitmap pixel data... */ header.bfType = 'MB'; /* Non-portable... sigh */ header.bfSize = size; header.bfReserved1 = 0; header.bfReserved2 = 0; header.bfOffBits = sizeof(BITMAPFILEHEADER) + infosize; if (fwrite(&header, 1, sizeof(BITMAPFILEHEADER), fp) < sizeof(BITMAPFILEHEADER)) { /* Couldn't write the file header - return... */ fclose(fp); return (-1); } if (fwrite(info, 1, infosize, fp) < infosize) { /* Couldn't write the bitmap header - return... */ fclose(fp); return (-1); } if (fwrite(bits, 1, bitsize, fp) < bitsize) { /* Couldn't write the bitmap - return... */ fclose(fp); return (-1); } /* OK, everything went fine - return... */ fclose(fp); return (0); }#else /* !WIN32 *//* * Functions for reading and writing 16- and 32-bit little-endian integers. */static unsigned short read_word(FILE *fp);static unsigned int read_dword(FILE *fp);static int read_long(FILE *fp);static int write_word(FILE *fp, unsigned short w);static int write_dword(FILE *fp, unsigned int dw);static int write_long(FILE *fp, int l);/* * 'LoadDIBitmap()' - Load a DIB/BMP file from disk. * * Returns a pointer to the bitmap if successful, NULL otherwise... */GLubyte * /* O - Bitmap data */LoadDIBitmap(const char *filename, /* I - File to load */ BITMAPINFO **info) /* O - Bitmap information */ { FILE *fp; /* Open file pointer */ GLubyte *bits; /* Bitmap pixel bits */ GLubyte *ptr; /* Pointer into bitmap */ GLubyte temp; /* Temporary variable to swap red and blue */ int x, y; /* X and Y position in image */ int length; /* Line length */ int bitsize; /* Size of bitmap */ int infosize; /* Size of header information */ BITMAPFILEHEADER header; /* File header *//* Try opening the file; use "rb" mode to read this *binary* file. */ if ((fp = fopen(filename, "rb")) == NULL) return (NULL); /* Read the file header and any following bitmap information... */ header.bfType = read_word(fp); header.bfSize = read_dword(fp); header.bfReserved1 = read_word(fp); header.bfReserved2 = read_word(fp); header.bfOffBits = read_dword(fp); if (header.bfType != BF_TYPE) /* Check for BM reversed... */ { /* Not a bitmap file - return NULL... */ fclose(fp); return (NULL); } infosize = header.bfOffBits - 18; if ((*info = (BITMAPINFO *)malloc(sizeof(BITMAPINFO))) == NULL) { /* Couldn't allocate memory for bitmap info - return NULL... */ fclose(fp); return (NULL); } (*info)->bmiHeader.biSize = read_dword(fp); (*info)->bmiHeader.biWidth = read_long(fp); (*info)->bmiHeader.biHeight = read_long(fp); (*info)->bmiHeader.biPlanes = read_word(fp); (*info)->bmiHeader.biBitCount = read_word(fp); (*info)->bmiHeader.biCompression = read_dword(fp); (*info)->bmiHeader.biSizeImage = read_dword(fp); (*info)->bmiHeader.biXPelsPerMeter = read_long(fp); (*info)->bmiHeader.biYPelsPerMeter = read_long(fp); (*info)->bmiHeader.biClrUsed = read_dword(fp); (*info)->bmiHeader.biClrImportant = read_dword(fp); if (infosize > 40) if (fread((*info)->bmiColors, infosize - 40, 1, fp) < 1) { /* Couldn't read the bitmap header - return NULL... */ free(*info); fclose(fp); return (NULL); } /* Now that we have all the header info read in, allocate memory for * * the bitmap and read *it* in... */ if ((bitsize = (*info)->bmiHeader.biSizeImage) == 0) bitsize = ((*info)->bmiHeader.biWidth * (*info)->bmiHeader.biBitCount + 7) / 8 * abs((*info)->bmiHeader.biHeight); if ((bits = malloc(bitsize)) == NULL) { /* Couldn't allocate memory - return NULL! */ free(*info); fclose(fp); return (NULL); } if (fread(bits, 1, bitsize, fp) < bitsize) { /* Couldn't read bitmap - free memory and return NULL! */ free(*info); free(bits); fclose(fp); return (NULL); } /* Swap red and blue */ length = ((*info)->bmiHeader.biWidth * 3 + 3) & ~3; for (y = 0; y < (*info)->bmiHeader.biHeight; y ++) for (ptr = bits + y * length, x = (*info)->bmiHeader.biWidth; x > 0; x --, ptr += 3) { temp = ptr[0]; ptr[0] = ptr[2]; ptr[2] = temp; } /* OK, everything went fine - return the allocated bitmap... */ fclose(fp); return (bits); }/* * 'SaveDIBitmap()' - Save a DIB/BMP file to disk. * * Returns 0 on success or -1 on failure... */int /* O - 0 = success, -1 = failure */SaveDIBitmap(const char *filename, /* I - File to load */ BITMAPINFO *info, /* I - Bitmap information */ GLubyte *bits) /* I - Bitmap data */ { FILE *fp; /* Open file pointer */ int size, /* Size of file */ infosize, /* Size of bitmap info */ bitsize; /* Size of bitmap pixels *//* Try opening the file; use "wb" mode to write this *binary* file. */ if ((fp = fopen(filename, "wb")) == NULL) return (-1); /* Figure out the bitmap size */ if (info->bmiHeader.biSizeImage == 0) bitsize = (info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 7) / 8 * abs(info->bmiHeader.biHeight); else bitsize = info->bmiHeader.biSizeImage; /* Figure out the header size */ infosize = sizeof(BITMAPINFOHEADER); switch (info->bmiHeader.biCompression) { case BI_BITFIELDS : infosize += 12; /* Add 3 RGB doubleword masks */ if (info->bmiHeader.biClrUsed == 0) break; case BI_RGB : if (info->bmiHeader.biBitCount > 8 && info->bmiHeader.biClrUsed == 0) break; case BI_RLE8 : case BI_RLE4 : if (info->bmiHeader.biClrUsed == 0) infosize += (1 << info->bmiHeader.biBitCount) * 4; else infosize += info->bmiHeader.biClrUsed * 4; break; } size = sizeof(BITMAPFILEHEADER) + infosize + bitsize; /* Write the file header, bitmap information, and bitmap pixel data... */ write_word(fp, BF_TYPE); /* bfType */ write_dword(fp, size); /* bfSize */ write_word(fp, 0); /* bfReserved1 */ write_word(fp, 0); /* bfReserved2 */ write_dword(fp, 18 + infosize); /* bfOffBits */ write_dword(fp, info->bmiHeader.biSize); write_long(fp, info->bmiHeader.biWidth); write_long(fp, info->bmiHeader.biHeight); write_word(fp, info->bmiHeader.biPlanes); write_word(fp, info->bmiHeader.biBitCount); write_dword(fp, info->bmiHeader.biCompression); write_dword(fp, info->bmiHeader.biSizeImage); write_long(fp, info->bmiHeader.biXPelsPerMeter); write_long(fp, info->bmiHeader.biYPelsPerMeter); write_dword(fp, info->bmiHeader.biClrUsed); write_dword(fp, info->bmiHeader.biClrImportant); if (infosize > 40) if (fwrite(info->bmiColors, infosize - 40, 1, fp) < 1) { /* Couldn't write the bitmap header - return... */ fclose(fp); return (-1); } if (fwrite(bits, 1, bitsize, fp) < bitsize) { /* Couldn't write the bitmap - return... */ fclose(fp); return (-1); } /* OK, everything went fine - return... */ fclose(fp); return (0); }/* * 'read_word()' - Read a 16-bit unsigned integer. */static unsigned short /* O - 16-bit unsigned integer */read_word(FILE *fp) /* I - File to read from */ { unsigned char b0, b1; /* Bytes from file */ b0 = getc(fp); b1 = getc(fp); return ((b1 << 8) | b0); }/* * 'read_dword()' - Read a 32-bit unsigned integer. */static unsigned int /* O - 32-bit unsigned integer */read_dword(FILE *fp) /* I - File to read from */ { unsigned char b0, b1, b2, b3; /* Bytes from file */ b0 = getc(fp); b1 = getc(fp); b2 = getc(fp); b3 = getc(fp); return ((((((b3 << 8) | b2) << 8) | b1) << 8) | b0); }/* * 'read_long()' - Read a 32-bit signed integer. */static int /* O - 32-bit signed integer */read_long(FILE *fp) /* I - File to read from */ { unsigned char b0, b1, b2, b3; /* Bytes from file */ b0 = getc(fp); b1 = getc(fp); b2 = getc(fp); b3 = getc(fp); return ((int)(((((b3 << 8) | b2) << 8) | b1) << 8) | b0); }/* * 'write_word()' - Write a 16-bit unsigned integer. */static int /* O - 0 on success, -1 on error */write_word(FILE *fp, /* I - File to write to */ unsigned short w) /* I - Integer to write */ { putc(w, fp); return (putc(w >> 8, fp)); }/* * 'write_dword()' - Write a 32-bit unsigned integer. */static int /* O - 0 on success, -1 on error */write_dword(FILE *fp, /* I - File to write to */ unsigned int dw) /* I - Integer to write */ { putc(dw, fp); putc(dw >> 8, fp); putc(dw >> 16, fp); return (putc(dw >> 24, fp)); }/* * 'write_long()' - Write a 32-bit signed integer. */static int /* O - 0 on success, -1 on error */write_long(FILE *fp, /* I - File to write to */ int l) /* I - Integer to write */ { putc(l, fp); putc(l >> 8, fp); putc(l >> 16, fp); return (putc(l >> 24, fp)); }#endif /* WIN32 */

E. 如何调用相册里的图片

我也在询问这个问题。还没得到解答。我想把相册里的所有图片在一个导航栏目（荣誉资质）下显示，可就只能得出一张只显示了相册里的一个分类的一张首页图！！求救啊！查看原帖>> 满意请採纳

F. C语言怎么调用图片

图片也是一个文件，1.你是要打开图片吗？（把图像显示出来？）2.还是只需要图片文件。如果是1，那么你需要看.bmp的编码方式和c库的图像类函数如果是2，那么你就可以用fopen,fread,fwrite,fprintf,fscanf等调用即可。

G. 表格中如何利用函数调用图片

使用宏可以实现，去自学下。

H. c语言如何调用图片

直接调用并显示JPG BMP等格式图片的函数好像没有，要自己编写。首先要弄清楚图片格式的编码方式，然后设置解析度，可以显示出来。void far getimage(int left，int top，int right，int bottom，void far *buf)说明：把屏幕图形部分拷贝到由BUF所指向的内在区域，左上角和右下角图标。用函数IMAGESIZE()来确定存储图像所需位元组数。用GETIMAGE()存储的图像可以用PUTIMAGTE()函数写到屏幕上。

I. 请问在CSS中如何调用本地图片

需要准备的材料分别有：电脑、浏览器、html编辑器。

1、首先，打开html编辑器，新建html文件，例如：index.html。

J. 请问C语言怎么调用图片

直接调用并显示JPG BMP等格式图片的函数好像没有，要自己编写。首先要弄清楚图片格式的编码方式，然后设置解析度，可以显示出来。void far getimage(int left,int top,int right,int bottom,void far *buf)说明：把屏幕图形部分拷贝到由BUF所指向的内在区域，左上角和右下角图标。用函数IMAGESIZE()来确定存储图像所需位元组数。用GETIMAGE()存储的图像可以用PUTIMAGTE()函数写到屏幕上。

如何调用图片