How to insert a picture on canvas using OpenGL (Java, JOGL)? Well, or at least not in Java ...

    1 answer 1

    Well, or at least not in Java.

    But at least on OpenGL? ) The general idea is:

    1. Upload the image as an array of pixels. It strongly depends on the format in which you have the image. But, a suitable library can always be found ( Slick2D is suitable for Java).

    2. Create texture in video memory.

      glGenTextures(...);

    3. Bind these pictures to the texture.

       glBindTexture(...); glTexImage2D(...);

    4. Draw a quad using the prepared texture.

       glBegin(GL_QUADS); glVertex2d(0,0); glTexCoord2f(0, 0); glVertex2d(100,0); glTexCoord2f(1, 0); glVertex2d(100,100); glTexCoord2f(1, 1); glVertex2d(0,100); glTexCoord2f(0, 1); glEnd();

    Shl. To find out what's what in OpenGL, I recommend a series of articles from NeHe .