CQQtImageTexturizer Class Reference

#include <CQQtImageTexturizer.h>

Inheritance diagram for CQQtImageTexturizer:

Collaboration diagram for CQQtImageTexturizer:

Public Member Functions
virtual CLTextureSpec *	operator() (const std::string &filename, const std::string &basedir)

Protected Member Functions
CLTextureSpec *	create_texture_for_image (const std::string &filename, const char *format=NULL)

Additional Inherited Members
Static Protected Member Functions inherited from CLImageTexturizer
static std::string	to_absolute_path (const std::string &filename, const std::string &basedir)

Detailed Description

Definition at line 23 of file CQQtImageTexturizer.h.

Member Function Documentation

CLTextureSpec * CQQtImageTexturizer::create_texture_for_image ( const std::string &  filename, const char *  format = NULL  )

protected

Definition at line 60 of file CQQtImageTexturizer.cpp.

References CCopasiMessage::ERROR, FROM_UTF8, GL_CLAMP_TO_EDGE, MCLayout, CLTextureSpec::mNumComponents, CLTextureSpec::mTextHeight, CLTextureSpec::mTextureHeight, CLTextureSpec::mTextureName, CLTextureSpec::mTextureWidth, CLTextureSpec::mTextWidth, and pResult.

Referenced by operator()().

{
  CLTextureSpec* pResult = NULL;
  // use UTF8 strings for filenames since this seems to be safer across platforms
  QImage image(FROM_UTF8(filename), format);

  if (!image.isNull())
    {
      image = image.mirrored();
      QImage glImage = QGLWidget::convertToGLFormat(image);
      pResult = new CLTextureSpec;
      pResult->mTextureWidth = pResult->mTextWidth = glImage.width();
      pResult->mTextureHeight = pResult->mTextHeight = glImage.height();
      pResult->mNumComponents = 4;
      glGenTextures(1, &pResult->mTextureName);
      assert(pResult->mTextureName != 0);
      glBindTexture(GL_TEXTURE_2D, pResult->mTextureName);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
      glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, (GLsizei)pResult->mTextureWidth, (GLsizei)pResult->mTextureHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, glImage.bits());
    }
  else
    {
      CCopasiMessage(CCopasiMessage::ERROR, MCLayout + 1, filename.c_str());
    }

  return pResult;
}

CLTextureSpec * CQQtImageTexturizer::operator() ( const std::string &  filename, const std::string &  basedir  )

virtual

Implements CLImageTexturizer.

Definition at line 30 of file CQQtImageTexturizer.cpp.

References create_texture_for_image(), CLImageTexturizer::to_absolute_path(), and transform().

{
  std::string reference = to_absolute_path(filename, basedir);
  CLTextureSpec* pTexture = NULL;
  // test if the filename ends in "JPG","JPEG","jpeg" or "jpg"
  std::string::size_type pos = reference.rfind(".");
  std::string ending;

  if (pos != std::string::npos)
    {
      ++pos;
      ending = reference.substr(pos);
      std::transform(ending.begin(), ending.end(), ending.begin(), &tolower);
    }

  if (!ending.empty())
    {
      if (ending == "jpeg" || ending == "jpg")
        {
          pTexture = create_texture_for_image(reference/*,"JPG"*/);
        }
      else if (ending == "png")
        {
          pTexture = create_texture_for_image(reference/*,"PNG"*/);
        }
    }

  return pTexture;
}

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The documentation for this class was generated from the following files:

• CQQtImageTexturizer.h
• CQQtImageTexturizer.cpp