This article shows how to use the Graphics Resource Converter (GRC) to import fonts into a Graphics project based on Microchip's Library for Applications (MLA). This tutorial places the imported font into program memory.
Starting the Graphics Resource Converter utility
The GRC is located in the MLA Installation directory:
Linux and Apple OSX users launch the resource converter by executing grc.jar, and Microsoft Windows users invoke it by executing launch_grc.bat
Configuring the GRC
- From the GRC user interface select Project then Settings.
- For this example configure the CRC to place imported images into internal program memory (internal flash).
- Set the Graphics Module Bits per pixel to 16 (16 bpp).
- When working with PIC® MCUs which have an internal graphics module, such as the PIC24FDA series, the Graphics Module option can be selected to set the image format.
- After configuring the GRC select "OK"
Convert the Image
When you have finished selecting the images you wish to import, select Project then Convert.
Before importing, the GRC will ask you to select a file name and location to store the imported image. The conversion process will create an assembly file (.s), a c file (.c) and a header file (.h) using the name selected.
Include the C code and Header file in the MPLAB® X Project
The conversion process creates an assembly file (.s), a C file (.c), and a header file (.h) for each imported image. These files need to be included in the MLA Graphics project just as all other source files and header files.
You will have to edit the appropriate files to add a #include for the newly created header file.
The image on the left shows the files for the image NewImage.bmp included in a project which were saved in files with the name of NewImage.*. The three files created are:
All three of these files are added to the project tree automatically by the GRC.
Build the Project
Re-building the project after the the new image's header and source files have been added makes the image available for use.