Bitmap Viewer (Mini Project) - Games and Graphics Source Code in C

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Home » C Home » Games and Graphics Home » Bitmap Viewer (Mini Project)

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Title	Bitmap Viewer (Mini Project)
Author	B.Chidhambaram
Author Email	pachidhambaram [at] yahoo.com
Description	This program helps to view the Bitmap pictures files in dos mode.All the Bitmaps are displayed in GrayScale mode.
Category	C » Games and Graphics
Hits	385397
Code	Select and Copy the Code
Code : /* mouse.h / #include<dos.h> union REGS i,o; void InitMouse(); void ShowMousePtr(); void GetMousePos(int,int,int); void HideMousePtr(); void RestoreMousePtr(); void RestrictMousePtr(int, int, int, int); void SetMousePtr(int , int); void InitMouse() { i.x.ax = 0; int86(0x33,&i, &o); } void ShowMousePtr() { i.x.ax = 1; int86(0x33, &i, &o); } void HideMousePtr() { i.x.ax = 2; int86(0x33, &i, &o); } void GetMousePos(int button[1], int x[1], int y[1]) { i.x.ax = 3; int86(0x33, &i, &o); button[0]=o.x.bx; x[0]=o.x.cx; y[0]=o.x.dx; } void RestoreMousePtr() { i.x.ax = 7; i.x.cx = 0; i.x.dx = 798; int86(0x33, &i, &o); i.x.ax = 8; i.x.cx = 0; i.x.dx = 248; int86(0x33, &i, &o); } void RestrictMousePtr(int x1, int y1, int x2, int y2) { i.x.ax = 7; i.x.cx = x1; i.x.dx = x2; int86(0x33, &i, &o); i.x.ax = 8; i.x.cx = y1; i.x.dx = y2; int86(0x33, &i, &o); } void SetMousePtr(int x, int y) { i.x.ax = 4; i.x.cx = x; i.x.dx = y; int86(0x33, &i, &o); } /* bmps.h / char FileName; FILE fpImage; long Size; unsigned char PixelArray; //for Image pixel values typedef struct tagBITMAPFILEHEADER { char bfType[2]; //Bmp File Type long bfSize; //Total File Size int bfReserved1; //Not For Programmers int bfReserved2; //Not For Programmers long bfOffBits; //Starting Position Of Data }; typedef struct tagBITMAPINFOHEADER { long biSize; //Structure Size long biWidth; //Bmp Width long biHeight; //Bmp Height int biPlanes; int biBitCount; //No Of Bits Used long biCompression; long biSizeImage; //Bmp Total Size long biXPelsPerMeter; long biYPelsPerMeter; long biClrUsed; long biClrImportant; }; typedef struct tagRGBQUAD { unsigned char rgbBlue; //Blue Color Value unsigned char rgbGreen; //Green Color Value unsigned char rgbRed; //Red Color Value unsigned char rgbReserved ; //Not For Programmer's Use }; typedef struct tagBITMAPINFO { struct tagBITMAPINFOHEADER bmiHeader; //Bmp Information area struct tagRGBQUAD bmiColors[256]; //Color Table Entries }; struct tagBITMAPFILEHEADER bmpFileHeader; struct tagBITMAPINFO bmpInfo; void SetGrayScale() //SetGrayScale { int i; struct palettetype pal; getpalette(&pal); for (i=0; i<pal.size; i++) setrgbpalette(pal.colors[i],i4,i4,i4); } int Read(char fname,char oname) { int i,j; FileName = (char)malloc(strlen(fname)+1); strcpy(FileName,fname); //File Open if((fpImage=fopen(FileName,"rb"))==NULL) { strcpy(oname,"Sorry. File not found !"); return 0; } //Read The BitMAP FILE HEADER if(fread(&bmpFileHeader,sizeof(struct tagBITMAPFILEHEADER),1,fpImage)==0) { strcpy(oname,"File Is A Currupted One"); return 0; } if(bmpFileHeader.bfType[0]!='B' \|\| bmpFileHeader.bfType[1]!='M') { strcpy(oname,"File Is Not A Bitmap"); return 0; } //Read The BITMAP INFO HEADER if(fread(&(bmpInfo.bmiHeader),sizeof(struct tagBITMAPINFOHEADER),1,fpImage)==0) { strcpy(oname,"File Is A Corrupted One"); return 0; } //Reading Color Table for(i = 0 ;i<256;i++) if(fread(&(bmpInfo.bmiColors[i]),sizeof(struct tagRGBQUAD),1,fpImage)==0) { strcpy(oname,"File Is A Currupted One"); return -1; } strcpy(oname,"Image File is Loaded"); return 1; } void Display(char fname[]) { int i,j; char temp[30]; cleardevice(); SetGrayScale(); Read(fname,temp); PixelArray = (unsigned char)malloc(sizeof(unsigned char)); for(i=0;i<bmpInfo.bmiHeader.biHeight;i++) for(j=0;j<bmpInfo.bmiHeader.biWidth;j++) { fread(PixelArray,1,1,fpImage) ; putpixel(j,bmpInfo.bmiHeader.biHeight-i,PixelArray/16); } fclose(fpImage); } /bmpview.c/ #include<stdio.h> #include<conio.h> #include<dos.h> #include<mouse.h> #include<graphics.h> #include<string.h> #include<bmps.h> char Menus[]={" Load BMP File"," BMP Details"," View Image"," Exit Program"}; int FileLoaded=0; char FileName; void Box(int x1,int y1,int x2,int y2) { rectangle(x1,y1,x2,y2); rectangle(x1+5,y1+5,x2-5,y2-5); setfillstyle(SOLID_FILL, 7); floodfill(x1+1,y2-4,8); } void TextBox(int x,int y,int len,char str[]) { char ch;int curr=0; setfillstyle(1,15); bar(x, y-3, x+len, y+23); setcolor(0); rectangle(x+1, y-2, x+len-1, y+22); settextstyle(6,0,1); HideMousePtr(); do { ch=getch(); str[curr]=ch; if(curr14 < len) if(isalpha(ch)\|\|isdigit(ch) \|\|ch=='.') if(curr>=0) curr++; if(curr > 0 && ch==8) { curr--; bar(x, y-3, x+len, y+23); rectangle(x+1, y-2, x+len-1, y+22); } str[curr]='

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