Improve text class - #18

Summary of Changes

1. Function Enhancements:

   • oslLoadAltIntraFontFile:

     • Added checks to ensure the font is of type OSL_FONT_INTRA before proceeding.
     • Updated intraFontSetStyle and intraFontSetAltFont to handle alternative fonts properly.

   • oslDeleteFont:

     • Added null checks and improved resource cleanup by ensuring all dynamically allocated resources are freed properly.

   • oslDrawTextTileBack:

     • Updated to use sceGuDrawArray for rendering text background tiles with improved handling for texturing states.

   • oslSetTextColor and oslSetBkColor:

     • Simplified functions to set text and background colors.

   • oslGetStringWidth:

     • Added type checks to handle different font types (OSL_FONT_OFT and OSL_FONT_INTRA).
     • Calculated string width based on font type, utilizing either charWidths or intraFontMeasureText.

   • oslGetTextBoxHeight:

     • Added checks for font type and adjusted logic to handle text wrapping and height calculation based on font metrics.

   • oslIntraFontSetStyle:

     • Updated to handle alternative fonts and apply styles correctly.

   • oslIntraFontPrintColumn:

     • Adjusted y-coordinate to center text properly and used intraFontPrintColumn for rendering.

   • oslIntraFontInit and oslIntraFontShutdown:

     • Added functions to initialize and shut down IntraFont with appropriate options.

   • oslConsolePrint:

     • Improved handling of console text drawing, including scrolling and memory management.

   • oslInitConsole:

     • Added initialization for the console font and cleared the console.

   • oslMoveMem:

     • Implemented a memory-moving function for efficient buffer handling.

   • oslDrawTextBoxByWords:

     • Renamed contaCaratteri to charCount for clarity.
     • Improved word wrapping and line-breaking logic.

   • oslDrawTextBox:

     • Added checks for font type and improved text wrapping and line-breaking.

   • oslDrawStringLimited and oslDrawString:

     • Added checks for font type and adjusted drawing logic for both limited and unrestricted text rendering.

   • oslDrawChar:

     • Added handling for different font types and updated text rendering logic.

   • oslDrawTextTile:

     • Enhanced the tile drawing function to handle texturing and color blending.

   • oslLoadFont:

     • Added initialization of the OSL_FONT structure.
     • Improved resource management with proper cleanup of dynamically allocated memory.
     • Updated character positioning and palette handling.
     • Included comments for better code understanding and maintenance.

2. Code Quality Improvements:

   • Added detailed comments and improved code readability.
   • Enhanced error checking and resource management.
   • Improved handling of different font types and formats.
   • Ensured consistency in variable naming and function formatting.