ÇáÓáÇã Úáíßã ..

åÐå ÓáÓáÉ ãä ÇáÊØÈíÞÇÊ ÇáÊí ÓäÚãáåÇ ãÚÇ .. áãÍÇæáÉ Ýåã ÂáíÉ ÇáÇßÓÇÁ .. Ýí opengl .


ãÇåæ ÇáÇßÓÇÁ ..

æÖÚ ÕæÑÉ Úáì Ôßá ãÇ .. ÈÇÈÓØ ÊÚÈíÑ .
ÔÇåÏ ÇáÕæÑÉ ( ááÇÚÖÇÁ ) ,



ÃÊãäì Çä áÇÊäÊÞá ãä ÎØæÉ ÇáÇ æÇäÊ ÝÇåãåÇ .. áÇäí æÖÚÊ ÚÏÉ ÊØÈíÞÇÊ ãÊÊÇÈÚÉ ..áÇÊÊÑß ÔíÁ ÇáÇ æÇäÊ ÝÇåãå .. áÇä ÇáÏÑæÓ ãÊÕáÉ ..

Ýí OpenGL íãÑ ÇáÇßÓÇÁ Ýí ËáÇË ãÑÇÍá ÑÆíÓíÉ :
1- ÊÞæã ÈÊÍãíá ÇáÕæÑÉ ÇáÊí ÊÑíÏ .

ÞÏ íÊØáÈ ÇáÇãÑ ÓØÑ æÇÍÏ ÇÐÇ ßäÊ ÊÓÊÎÏã ÏæÇá ÌÇåÒÉ .. æÞÏ íÊØáÈ ÇáÇãÑ ãäß 50 ÓØÑ ÇÐÇ áã ÊÓÊÎÏã ÏæÇá ÌÇåÒÉ .

Ýí opengl íæÌÏ ÏÇáÉ ãÓÇÚÏÉ áÊÍãíá ãáÝÇÊ bmp .

æÈÇáÊÇáí ÊÍãá ÇáÕæÑÉ Ýí ÇÞá ãä ÓØÑíä .

áßä åäÇß ÈÚÖ ÇáÇäÓÇÞ ãËá tga æ pcx æ jpg .. ÇáÊí ÊÊãíÒ ÇãÇ ÈæÌæÏ ÞäÇÉ ÇáÝÇ .. Çæ ÈÕÛÑ ÇáÍÌã ...... ÇáÎ .. æÈÇáÊÇáí íÊØáÈ ÇáÇãÑ ÞÑÇÁÉ Êáß ÇáÕæÑ ãä ÇáÕÝÑ Çæ ÊÓÊÎÏã ãßÊÈÉ ãÓÇÚÏÉ.

2- ÈÚÏ Çä ÍãáÊ ÇáÕæÑÉ ... ÊÎÈÑ opengl ÈÇäß ÊÑíÏ Çä ÊÖÚ åÐå ÇáÕæÑÉ ßÇßÓÇÁ .. æÇíÖÇ ÊÖÚ ÝáÇÊÑ ÇáÇßÓÇÁ ÇáÊí ÊÑíÏ .. åá ÊÑíÏ ÇáÇßÓÇÁ æÇÖÍ æÎÇáí ãä ÇáÊÔæíÔ .. Çæ ÊÑíÏ ÇÏÇÁ ÇÓÑÚ æÈÇáÊÇáí ÇßÓÇÁ ÇÞá ÏÞÉ ..
æÇíÖÇ ÊÎÈÑ Opengl ÈÚÑÖ æØæá ÇáÕæÑÉ ÇáÊí ÊÑíÏåÇ ßÇßÓÇÁ . . ÇáÎ .


3- ÊÚíä ÇáÇßÓÇÁ Úáì ÇáÔßá ÇáÐí ÊÑíÏå .. æÐáß ÈÇä ÊÖÚ ÇáÇÍÏÇËíÇÊ ÇáãäÇÓÈÉ .




ÏÚäÇ äØÈÞ ...
ÇäÓÎ åÐÇ ÇáßæÏ æÃáÕÞå :

/*1*/ GLuint  ID_1;


/*2*/ void LoadTexture(char *FileName , GLuint *ID)
/*3*/ {
/*4*/   FILE *File=NULL;         

/*5*/ File=fopen(FileName,"r");    

/*6*/ if (File)           
/*7*/ {
/*8*/   fclose(File);   
/*9*/ }

/*10*/  AUX_RGBImageRec *TextureImage=new(AUX_RGBImageRec);      
/*11*/  memset(TextureImage,0,sizeof(void *)*1);            
/*12*/ TextureImage = auxDIBImageLoad(FileName);



/*13*/  glGenTextures(1, ID);      
/*14*/  glBindTexture(GL_TEXTURE_2D,*ID);

/*15*/  glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
/*16*/  glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
/*17*/  glTexImage2D(GL_TEXTURE_2D, 0, 3, TextureImage->sizeX, TextureImage->sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE, TextureImage->data);



/*18*/  free(TextureImage->data);       
/*19*/  free(TextureImage);  

/*20*/ }

typedef struct _AUX_RGBImageRec {
    GLint sizeX, sizeY;
    unsigned char *data;
} AUX_RGBImageRec;

/*21*/  glGenTextures(1, ID);      
/*22*/  glBindTexture(GL_TEXTURE_2D, *ID);

/*23*/  glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
/*24*/  glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
/*25*/  glTexImage2D(GL_TEXTURE_2D, 0, 3, TextureImage->sizeX, TextureImage->sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE, TextureImage->data);



/*26*/  free(TextureImage->data);       
/*27*/  free(TextureImage);  

/*28*/ }

glGenTextures(1, ID);
glGenTextures(1, ID2);

glBindTexture(GL_TEXTURE_2D, *ID);
.
.
.

glBindTexture(GL_TEXTURE_2D, *ID2);

ÈÇáäÓÈÉ ááÈÇÑãÊÑ ÇáÇæá ÏÇÆãÇ äÖÚå GL_TEXTURE_2D ÇÝÖá .. æÇÓåá


3- ÇáÓØÑ ÇáËÇáË æÇáÚÔÑíä æÇáÑÇÈÚ æÇáÚÔÑíä äÚíä ÝáÇÊÑ ÇáÇßÓÇÁ ... ÈÕÑÇÍÉ ÇáØÑíÞÉ ÕÚÈÉ æÚÞíãÉ ..
ÈÇáÚÑÈí

glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);

glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);

free(TextureImage->data);       
free(TextureImage);

glTexImage2D (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);

******
ÇáÈÇÑãÊÑ ÇáÇæá ÏÇÆãÇ :GL_TEXTURE_2D ..
ÇáÈÇÑãÊÑ ÇáËÇäí ÏÇÆãÇ ÕÝÑ ( åÐÇ ÎÇÕ ÈÇáÇßÓÇÁ ÇáÓãì MIPMAPPING ,, ÓäÚÑÝå áÇÍÞÇ ) ,
ÇáÈÇÑãÊÑ ÇáËÇáË : ÚÏÏ ÞäæÇÊ ÇáÇáæÇä .. ÚäÏäÇ ÇÑÈÚ ÞäæÇÊ RED æ GREEN æ BLUE æ ALPHA .
ÇÐÇ ßÊÈäÇ " 1 " íÚäí red ÝÞØ .. ÇÐÇ ßÊÈäÇ 2 ,,íÚäí red , alpha æÇÐÇ ßÊÈÊ " 3 " íÚäí RGB .. æÇÐÇ ßÊÈäÇ 4 íÚäíRGBA

ãæ ãåã ÔÑÍåÇ ÇáÇä

ÇáÈÇÑãÊÑ ÇáÑÇÈÚ æÇáÎÇãÓ .. ÚÑÖ æÇÑÊÝÇÚ ÇáÕæÑÉ .
ÇáÈÇÑãÊÑ ÇáÓÇÏÓ : ÍÏæÏ ÇáÕæÑÉ .. ÏÇÆãÇ äÖÚ ÕÝÑ .
ÇáÈÇÑãÊÑ ÇáÓÇÈÚ : íÃÎÐ ÇÍÏ ÇáÞíã ÇáÊÇáíÉ :
GL_COLOR_INDEX
GL_STENCIL_INDEX
GL_DEPTH_COMPONENT
GL_RED
GL_GREEN
GL_BLUE
GL_ALPHA
GL_RGB
GL_RGBA
GL_LUMINANCE
GL_LUMINANCE_ALPHA

ÖÚ GL_RGB .. ÍíË äÑíÏ ÇÓÊÎÏÇã ËáÇË ÞäæÇÊ .. ÍíË åÐÇ åæ ÊäÓíÞ ÇáÕæÑÉ .

ÇáÈÇÑãÊÑ ÇáËÇãä ÇáÈíÇäÇÊ ÇáÊí ÊÑíÏ ÊÍãíáåÇ ãä Ãí äæÚ ¿ .. åäÇ ãä äæÚ GL_UNSIGNED_BYTE ..
ÍíË Çä TextureImage->data ãä äæÚ unsigned char .



ÈåÐÇ ÇäåíäÇ äÕÝ ÇáãÔæÇÑ ...

áßä áä íÚáã ÊØÈíÞäÇ Úä ÏÇáÉ ÇáÇßÓÇÁ ÔíÁ ..
ÈÚÏ Çä ÊäÔÆ ÇáäÇÝÐÉ .. æÊÖÚ ÇÚÏÇÏÇÊ opengl ... ÇÖÝ åÐÇ ÇáÓØÑ . .Çáì ÇáÇÚÏÇÏÇÊ

glEnable(GL_TEXTURE_2D);
LoadTexture("image.bmp" ,&D_1)

/*1*/ void Render()
/*2*/ {
/*3*/   glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

/*4*/   glLoadIdentity();        
/*5*/   glTranslatef(-1.0f,0, -3.0f );


/*6*/   glBindTexture(GL_TEXTURE_2D,  ID_1);

/*7*/   glBegin(GL_QUADS);////

/*8*/   glTexCoord2f(0.0f, 0.0f);
/*9*/   glVertex2f(-0.5f, -0.5f );

/*10*/  glTexCoord2f(1.0f, 0.0f);
/*11*/  glVertex2f( 0.5f, -0.5f );

/*12*/  glTexCoord2f(1.0f, 1.0f);
/*13*/  glVertex2f( 0.5f, 0.5f );

/*14*/  glTexCoord2f(0.0f, 1.0f);
/*15*/  glVertex2f(-0.5f, 0.5f );

/*16*/  glEnd();
/*17*/ }

•  1_texture_glut.zip (4.17ßíáæ )
  ÚÏÏ ãÑÇÊ ÇáÊÍãíá : 658
•  1_texture_win.zip (5.59ßíáæ )