Re: [Dev-C++] Strange compilation unit errors
Open Source C & C++ IDE for Windows
Brought to you by:
claplace
Menu
▾
▴
Re: [Dev-C++] Strange compilation unit errors
|
From: Per W. <pw...@ia...> - 2004-11-02 15:22:13
|
First of all, you forgot to specify bool as return type for the LoadTGA()
member function.
Then you have also misspelled the some property fields 'height' instead of
'height_' for example.
/Per W
On Tue, 2 Nov 2004, Scott Simontis wrote:
> Here it is:
>
> TGALOADER.H
>
> #ifndef TGALOADER_H
> #define TGALOADER_H
>
> #include <gl/gl.h>
> #include <string>
> using std::string;
>
> class TGAImage
> {
> public:
> bool LoadTGA( TGAImage* texture, string filename, GLuint texType );
> private:
> GLubyte* imageData_;
> GLuint bpp_;
> GLuint width_;
> GLuint height_;
> GLuint texID_;
> };
>
> #endif
>
>
> TGALOADER.CPP
>
> #include "tgaloader.h"
> #include <gl/gl.h>
> #include <string>
> #include <cstdio>
> using std::string;
>
> TGAImage::LoadTGA( TGAImage* texture, string filename, GLuint texType )
> {
> GLubyte tgaHeader[12] = { 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
> GLubyte imgHeader[12]; //The files header, to be compared with the
> above header
> GLubyte header[6]; //Width, height, and bpp info
> GLuint bpp;
> GLuint imageSize;
> GLuint swap;
> GLuint type = GL_RGBA;
>
> FILE* image = fopen( filename.c_str(), "rb" );
>
> if( NULL == image ||
> fread( imgHeader, 1, sizeof(imgHeader), image ) !=
> sizeof(imgHeader) ||
> memcmp( tgaHeader, imgHeader, sizeof(tgaHeader) ) != 0 ||
> fread( header, 1, sizeof(header), image ) != sizeof(header) )
> {
> if( NULL == image )
> {
> return false;
> }
> else
> {
> fclose( image );
> return false;
> }
> }
>
> texture->width_ = header[1] * 256 + header[0];
> texture->height_ = header[3] * 256 + header[2];
>
> if( texture->width_ <= 0 ||
> texture->height <= 0 ||
> ( header[4] != 24 && header[4] != 32 ) )
> {
> fclose( image );
> return false;
> }
>
> texture->bpp_ = header[4];
> bpp = texture->bpp_ / 8; //Get the bytes per pixel from the bits
> per pixel
> imageSize = texture->width_ * texture->height_ * bpp;
> texture->imageData_ = (GLubyte*)malloc( imageSize );
>
> if( NULL == texture->imageData_ ||
> fread( texture->imageData_, 1, imageSize, image ) != imageSize )
> {
> if( texture->imageData_ != NULL )
> {
> free( texture->imageData_ );
> }
> fclose( image );
> return false;
> }
>
> for( int i = 0; i < int(imageSize); i+= bpp )
> {
> swap = texture->imageData_[i];
> texture->imageData_[i] = texture->imageData_[i + 2];
> texture->imageData_[i + 2] = swap;
> }
> fclose( image );
>
> glGenTextures( 1, &texture[0]->texID_ );
> glBindTexture( GL_TEXTURE_2D, &texture[0]->texID_ );
>
> if( 0 == texType )
> {
> glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
> GL_NEAREST );
> glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
> GL_NEAREST );
> }
> if( 1 == texType )
> {
> glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
> glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
> }
>
>
> if( 24 == texture[0].bpp_ )
> {
> type = GL_RGB;
> }
>
> glTexImage2D( GL_TEXTURE_2D, 0, type, texture[0].width_,
> texture[0]->height_, 0, GL_UNSIGNED_BYTE, texture[0]->imageData_ );
>
> return true;
> }
>
> --Scott Simontis--
>
> Per Westermark wrote:
> > It is nice that you have posted your error messages. However, since we
> > can't see your code, we can't say what you are doing wrong.
> >
> > /Per W
> >
> > On Mon, 1 Nov 2004, Scott Simontis wrote:
> >
> >
> >>I am working on a TGA file loader for OpenGL. I keep getting lots of
> >>errors. It looks like the header file for the TGA loader isn't being
> >>seen, so the definition cannot be found. Does anyone know why it isn't
> >>working? Its about 130 lines of code or so, and is at
> >>http://home.comcast.net/~ageofscott/tgacode.zip
> >>compilation errors are below:
> >>
> >>
> >>Compiler: Default compiler
> >>Building Makefile: "C:\Code\scifair\Makefile.win"
> >>Executing make...
> >>mingw32-make.exe -f "C:\Code\scifair\Makefile.win" all
> >>g++.exe -c tgaloader.cpp -o tgaloader.o -I"C:/Dev-Cpp/include/c++/3.3.1"
> >> -I"C:/Dev-Cpp/include/c++/3.3.1/mingw32"
> >>-I"C:/Dev-Cpp/include/c++/3.3.1/backward"
> >>-I"C:/Dev-Cpp/lib/gcc-lib/mingw32/3.3.1/include" -I"C:/Dev-Cpp/include"
> >> -I"C:/Dev-Cpp/include/GL" -I"C:/Dev-Cpp/include/SDL"
> >>-I"C:/Dev-Cpp/include/allegro" -I"C:/Dev-Cpp/allegro/include"
> >>-I"C:/wx/include" -I"C:/Code"
> >>
> >>tgaloader.cpp:29: error: ISO C++ forbids declaration of `LoadTGA' with
> >>no type
> >>
> >>tgaloader.cpp:29: error: prototype for `int TGAImage::LoadTGA(TGAImage*,
> >>std::string, GLuint)' does not match any in class `TGAImage'
> >>tgaloader.h:18: error: candidate is: bool TGAImage::LoadTGA(TGAImage*,
> >>std::string, GLuint)
> >>tgaloader.cpp:29: error: `int TGAImage::LoadTGA(TGAImage*, std::string,
> >>GLuint)' and `bool TGAImage::LoadTGA(TGAImage*, std::string, GLuint)'
> >>cannot be overloaded
> >>
> >>tgaloader.cpp: In member function `int TGAImage::LoadTGA(TGAImage*,
> >>std::string, GLuint)':
> >>tgaloader.cpp:60: error: 'class TGAImage' has no member named 'height'
> >>tgaloader.cpp:91: error: base operand of `->' has non-pointer type
> >>`TGAImage'
> >>tgaloader.cpp:92: error: base operand of `->' has non-pointer type
> >>`TGAImage'
> >>tgaloader.cpp:111: error: base operand of `->' has non-pointer type
> >>`TGAImage'
> >>tgaloader.cpp:111: error: base operand of `->' has non-pointer type
> >>`TGAImage'
> >>
> >>mingw32-make.exe: *** [tgaloader.o] Error 1
> >>
> >>Execution terminated
> >>
> >>Thanks in advanced for any help.
> >>--
> >>--Scott Simontis--
> >>
> >>
> >>-------------------------------------------------------
> >>This SF.Net email is sponsored by:
> >>Sybase ASE Linux Express Edition - download now for FREE
> >>LinuxWorld Reader's Choice Award Winner for best database on Linux.
> >>http://ads.osdn.com/?ad_id=5588&alloc_id=12065&op=click
> >>_______________________________________________
> >>Dev-cpp-users mailing list
> >>Dev...@li...
> >>TO UNSUBSCRIBE: http://www23.brinkster.com/noicys/devcpp/ub.htm
> >>https://lists.sourceforge.net/lists/listinfo/dev-cpp-users
> >>
> >
> >
> >
>
|
