大理水控初始版本
diff --git a/lcd/glcd_graphics.h b/lcd/glcd_graphics.h
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+/**
+ \file glcd_graphics.h
+ \brief Graphics routines
+ \author Andy Gock
+ */
+
+/*
+ Copyright (c) 2012, Andy Gock
+
+ All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+ * Neither the name of Andy Gock nor the
+ names of its contributors may be used to endorse or promote products
+ derived from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED. IN NO EVENT SHALL ANDY GOCK BE LIABLE FOR ANY
+ DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#ifndef GLCD_GRAPHICS_H_
+#define GLCD_GRAPHICS_H_
+
+/** \addtogroup Graphics Graphics
+ * Graphics specific functions such as drawing lines, circles, rectangles etc.
+ * @{
+ */
+
+/**
+ * Set pixel to specified colour
+ * \param x X-coordinate
+ * \param y Y-coordinate
+ * \param color Colour to set pixel
+ * \see ColourConstants
+ */
+void glcd_set_pixel(uint8_t x, uint8_t y, uint8_t color);
+
+/**
+ * Get state of pixel from specified location
+ * \param x X-coordinate
+ * \param y Y-coordinate
+ * \return Colour
+ */
+uint8_t glcd_get_pixel(uint8_t x, uint8_t y);
+
+/**
+ * Invert state of pixel of specified location
+ * \param x X-coordinate
+ * \param y Y-coordinate
+ */
+void glcd_invert_pixel(uint8_t x, uint8_t y);
+
+/**
+ * Draw line
+ * \param x0 Start x-coordinate
+ * \param y0 Start y-coordinate
+ * \param x1 End x-coordinate
+ * \param y1 End y-coordinate
+ * \param color Colour to set pixels
+ * \see ColourConstants
+ */
+void glcd_draw_line(uint8_t x0, uint8_t y0, uint8_t x1, uint8_t y1, uint8_t color);
+
+/**
+ * Draw rectangle and fill with colour.
+ * The border of the rectangle is the same as fill colour
+ * \param x Start x-coordinate (left-most)
+ * \param y Start y-coordinate (top-most)
+ * \param w Width
+ * \param h Height
+ * \param color Colour to fill with
+ * \see ColourConstants
+ */
+void glcd_fill_rect(uint8_t x, uint8_t y, uint8_t w, uint8_t h, uint8_t color);
+
+/**
+ * Draw rectangle but do not fill.
+ * The border of the rectangle is the same as fill colour
+ * \param x Start x-coordinate (left-most)
+ * \param y Start y-coordinate (top-most)
+ * \param w Width
+ * \param h Height
+ * \param color Colour of border
+ * \see ColourConstants
+ */
+void glcd_draw_rect(uint8_t x, uint8_t y, uint8_t w, uint8_t h, uint8_t color);
+
+/**
+ * Draw rectangle but do not fill. User specified thickness.
+ * The border of the rectangle is the same as fill colour
+ * \param x Start x-coordinate (left-most)
+ * \param y Start y-coordinate (top-most)
+ * \param w Width (outermost pixels)
+ * \param h Height
+ * \param tx Thickness of horizontal border along X axis
+ * \param ty Thickness of vertical border along Y axis
+ * \param color Colour of border
+ * \see ColourConstants
+ */
+void glcd_draw_rect_thick(uint8_t x, uint8_t y, uint8_t w, uint8_t h, uint8_t tx, uint8_t ty, uint8_t color);
+
+/**
+ * Draw rectangle but do not fill. Place a shadow line on the bottom-right of the window.
+ * The border of the rectangle is the same as fill colour
+ * \param x Start x-coordinate (left-most)
+ * \param y Start y-coordinate (top-most)
+ * \param w Width
+ * \param h Height
+ * \param color Colour of border
+ * \see ColourConstants
+ */
+void glcd_draw_rect_shadow(uint8_t x, uint8_t y, uint8_t w, uint8_t h, uint8_t color);
+
+/**
+ * Draw circle but do not fill.
+ * The border of the rectangle is the same as fill colour
+ * \param x0 Centre x-coordinate (left-most)
+ * \param y0 Centre y-coordinate (top-most)
+ * \param r Radius
+ * \param color Colour of border
+ * \see ColourConstants
+ */
+void glcd_draw_circle(uint8_t x0, uint8_t y0, uint8_t r, uint8_t color);
+
+/**
+ * Draw circle and fill.
+ * The border of the rectangle is the same as fill colour
+ * \param x0 Centre x-coordinate (left-most)
+ * \param y0 Centre y-coordinate (top-most)
+ * \param r Radius
+ * \param color Colour of border
+ * \see ColourConstants
+ */
+void glcd_fill_circle(uint8_t x0, uint8_t y0, uint8_t r, uint8_t color);
+
+/**
+ * Invert pixels in a retangular area.
+ * \param x Start x-coordinate (left-most)
+ * \param y Start y-coordinate (top-most)
+ * \param w Width
+ * \param h Height
+ */
+void glcd_invert_area(uint8_t x, uint8_t y, uint8_t w, uint8_t h);
+
+/**
+ * Draw bitmap to screen buffer.
+ * Note this will draw to the entire buffer, its not yet possible to draw partially to the LCD.
+ * Not yet supported with AVR pgmspace.
+ * \param data Pointer to bitmap data.
+ */
+void glcd_draw_bitmap(const unsigned char *data);
+
+/** @}*/
+
+#endif /* GLCD_GRAPHICS_H_ */