-void drawTriangle ( uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color);
-void drawTriangleFilled ( uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color);
-void drawString ( uint16_t x, uint16_t y, uint16_t color, const FONT_INFO *fontInfo, char *str );
-uint16_t drawGetStringWidth ( const FONT_INFO *fontInfo, char *str );
+void drawGradient ( uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t startColor, uint16_t endColor );
+void drawTriangle ( uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color );
+void drawTriangleFilled ( uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color );