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Loading Texture From Resource Tutorial



Texture From Resource

This tutorial is almost identical to Lesson 6:Texture Mapping. The only change is in the init_scene() procedure where the texture is loaded. Before I show that piece of code I should briefly explain how to create the resource in your executable. NOTE:This is Microsoft Visual C++ specific. It may be possible with other compliers, but I don't know how to do it.

When you have your project set up, go to the Insert menu and select Resource. The Insert Resource dialog will appear. Select Bitmap and then press the Import button. The OpenFile dialog will appear, change File Types to All Files and select your bitmap file. It will be added as a resource and automatically named something like 'IDB_BITMAP1'. That name is important because you'll use it to load the resource.

This process will also create a header file called 'resource.h'. You need to add it to your includes at the top of your source file (DXWindow.cpp in this case).

Finally, here is the code to load the texture, it replaces the call to D3DXCreateTextureFrom File

   //Direct3D allows you to load textures from resources embedded in the executable.
   hr=D3DXCreateTextureFromResourceA(g_d3d_device, //Our Direct3D device
                                     NULL,   //Our 'instance', NULL uses current
                                     MAKEINTRESOURCE(IDB_BITMAP1),
                                     &g_texture);