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Changes:

• Add TGL_DOUBLE_WIDTH setting to draw wide characters
• Add optional 24bit RGB colors
• Add mouse tracking
• Add RGB demo
• Add Mouse demo
• Delete star polygon demo

Changes:

• Interpolate uv co-ordinates instead of intensity in drawing functions
• Use pixel shaders for determining color and char instead of gradient and intensity
• Use vertex shaders in 3D rendering
• Create default pixel shaders for char gradients and affine textures
• Create default vertex shader
• Replace x,y,z,i parameters to drawing functions with a TGLVertex struct
• Fix bugs caused by performing clipping in NDCS instead of CCS
• Implement TERMGL_MINIMAL define to disable features that aren't necessary
• Add tgl_boot function that must be called prior to any other functions
• Use POSIX version macros correctly in demo
• Implement Textured Cube demo
• Add tglutil_set_window_title
• Rewrite Makefile

Improvements:

• Provide TGL_PROGRESSIVE setting to over-write previous frame instead of clearing screen, thereby eliminating strobing.

Improvements:

• Support for multi-line strings in tgl_puts
• const correctness

Bugfixes:

• Fix z-buffer being inverted in tgl_line
• Fix vertical lines being too short in tgl_line

Features:

• High-Intensity text and background color modifiers
• Bold and underline text
• Error handling
• Added color palette demo to show above modifiers

Improvements:

• Optimized SGR code emission

Bugfixes:

• Remove surplus newlines when calling tgl_flush
• Fix certain macros that relied on externally-declared variables

Changelog:

• Add c99 compliance
• Re-work demo
• Implement tglutil_get_console_size and tglutil_set_console_size
• Improve macro safety
• Add clean option to Makefile

Initial Release.