David Smart / RA8875 Featured

Library to control a Graphics TFT connected to 4-wire SPI - revised for the Raio RA8875 Display Controller.

Dependents:   FRDM_RA8875_mPaint RA8875_Demo RA8875_KeyPadDemo SignalGenerator ... more

Fork of SPI_TFT by Peter Drescher

See Components - RA8875 Based Display

Enhanced touch-screen support - where it previous supported both the Resistive Touch and Capacitive Touch based on the FT5206 Touch Controller, now it also has support for the GSL1680 Touch Controller.

Offline Help Manual (Windows chm)

/media/uploads/WiredHome/ra8875.zip.bin (download, rename to .zip and unzip)

GraphicsDisplay.h@61:8f3153bf0baa, 2014-08-17 (annotated)

Committer:
WiredHome
Date:
Sun Aug 17 13:46:06 2014 +0000
Revision:
61:8f3153bf0baa
Parent:
55:dfbabef7003e
Child:
72:ecffe56af969
Revised cls( ) to support layers.; Added a few handy color definitions.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dreschpe 0:de9d1462a835 1 /* mbed GraphicsDisplay Display Library Base Class
dreschpe 0:de9d1462a835 2 * Copyright (c) 2007-2009 sford
dreschpe 0:de9d1462a835 3 * Released under the MIT License: http://mbed.org/license/mit
dreschpe 0:de9d1462a835 4 *
dreschpe 0:de9d1462a835 5 * A library for providing a common base class for Graphics displays
dreschpe 0:de9d1462a835 6 * To port a new display, derive from this class and implement
dreschpe 0:de9d1462a835 7 * the constructor (setup the display), pixel (put a pixel
dreschpe 0:de9d1462a835 8 * at a location), width and height functions. Everything else
dreschpe 0:de9d1462a835 9 * (locate, printf, putc, cls, window, putp, fill, blit, blitbit)
dreschpe 0:de9d1462a835 10 * will come for free. You can also provide a specialised implementation
dreschpe 0:de9d1462a835 11 * of window and putp to speed up the results
dreschpe 0:de9d1462a835 12 */
dreschpe 0:de9d1462a835 13
dreschpe 0:de9d1462a835 14 #ifndef MBED_GRAPHICSDISPLAY_H
dreschpe 0:de9d1462a835 15 #define MBED_GRAPHICSDISPLAY_H
WiredHome 32:0e4f2ae512e2 16 #include "Bitmap.h"
dreschpe 0:de9d1462a835 17 #include "TextDisplay.h"
dreschpe 0:de9d1462a835 18
WiredHome 37:f19b7e7449dc 19 // GraphicsDisplay has one "soft font" which is in a different format
WiredHome 37:f19b7e7449dc 20 // then the primary font rendering api - see set_font(...). This is
WiredHome 37:f19b7e7449dc 21 // therefore deprecated, but preserved for a time for backward
WiredHome 37:f19b7e7449dc 22 // compatibility.
WiredHome 37:f19b7e7449dc 23 // #define LOCALFONT
WiredHome 37:f19b7e7449dc 24
WiredHome 37:f19b7e7449dc 25
WiredHome 32:0e4f2ae512e2 26 /// The GraphicsDisplay class
WiredHome 32:0e4f2ae512e2 27 ///
WiredHome 32:0e4f2ae512e2 28 /// This graphics display class supports both graphics and text operations.
WiredHome 32:0e4f2ae512e2 29 /// Typically, a subclass is derived from this which has localizations to
WiredHome 32:0e4f2ae512e2 30 /// adapt to a specific hardware platform (e.g. a display controller chip),
WiredHome 32:0e4f2ae512e2 31 /// that overrides methods in here to either add more capability or perhaps
WiredHome 32:0e4f2ae512e2 32 /// to improve performance, by leveraging specific hardware capabilities.
WiredHome 32:0e4f2ae512e2 33 ///
WiredHome 32:0e4f2ae512e2 34 class GraphicsDisplay : public TextDisplay
WiredHome 32:0e4f2ae512e2 35 {
WiredHome 32:0e4f2ae512e2 36 public:
WiredHome 32:0e4f2ae512e2 37 /// The constructor
dreschpe 0:de9d1462a835 38 GraphicsDisplay(const char* name);
WiredHome 32:0e4f2ae512e2 39
WiredHome 32:0e4f2ae512e2 40 /// Draw a pixel in the specified color.
WiredHome 32:0e4f2ae512e2 41 ///
WiredHome 32:0e4f2ae512e2 42 /// @note this method must be supported in the derived class.
WiredHome 32:0e4f2ae512e2 43 ///
WiredHome 32:0e4f2ae512e2 44 /// @param x is the horizontal offset to this pixel.
WiredHome 32:0e4f2ae512e2 45 /// @param y is the vertical offset to this pixel.
WiredHome 32:0e4f2ae512e2 46 /// @param color defines the color for the pixel.
WiredHome 32:0e4f2ae512e2 47 /// @returns success/failure code. @see RetCode_t.
WiredHome 32:0e4f2ae512e2 48 ///
WiredHome 37:f19b7e7449dc 49 virtual RetCode_t pixel(loc_t x, loc_t y, color_t color) = 0;
WiredHome 32:0e4f2ae512e2 50
WiredHome 41:2956a0a221e5 51 /// Write a stream of pixels to the display.
WiredHome 41:2956a0a221e5 52 ///
WiredHome 41:2956a0a221e5 53 /// @note this method must be supported in the derived class.
WiredHome 41:2956a0a221e5 54 ///
WiredHome 41:2956a0a221e5 55 /// @param p is a pointer to a color_t array to write.
WiredHome 41:2956a0a221e5 56 /// @param count is the number of pixels to write.
WiredHome 41:2956a0a221e5 57 /// @param x is the horizontal position on the display.
WiredHome 41:2956a0a221e5 58 /// @param y is the vertical position on the display.
WiredHome 41:2956a0a221e5 59 /// @returns success/failure code. @see RetCode_t.
WiredHome 41:2956a0a221e5 60 ///
WiredHome 41:2956a0a221e5 61 virtual RetCode_t pixelStream(color_t * p, uint32_t count, loc_t x, loc_t y) = 0;
WiredHome 41:2956a0a221e5 62
WiredHome 41:2956a0a221e5 63 /// Get a pixel from the display.
WiredHome 41:2956a0a221e5 64 ///
WiredHome 41:2956a0a221e5 65 /// @note this method must be supported in the derived class.
WiredHome 41:2956a0a221e5 66 ///
WiredHome 41:2956a0a221e5 67 /// @param x is the horizontal offset to this pixel.
WiredHome 41:2956a0a221e5 68 /// @param y is the vertical offset to this pixel.
WiredHome 41:2956a0a221e5 69 /// @returns the pixel. see @color_t
WiredHome 41:2956a0a221e5 70 ///
WiredHome 41:2956a0a221e5 71 virtual color_t getPixel(loc_t x, loc_t y) = 0;
WiredHome 41:2956a0a221e5 72
WiredHome 41:2956a0a221e5 73 /// Get a stream of pixels from the display.
WiredHome 41:2956a0a221e5 74 ///
WiredHome 41:2956a0a221e5 75 /// @note this method must be supported in the derived class.
WiredHome 41:2956a0a221e5 76 ///
WiredHome 41:2956a0a221e5 77 /// @param p is a pointer to a color_t array to accept the stream.
WiredHome 41:2956a0a221e5 78 /// @param count is the number of pixels to read.
WiredHome 41:2956a0a221e5 79 /// @param x is the horizontal offset to this pixel.
WiredHome 41:2956a0a221e5 80 /// @param y is the vertical offset to this pixel.
WiredHome 41:2956a0a221e5 81 /// @returns success/failure code. @see RetCode_t.
WiredHome 41:2956a0a221e5 82 ///
WiredHome 41:2956a0a221e5 83 virtual RetCode_t getPixelStream(color_t * p, uint32_t count, loc_t x, loc_t y) = 0;
WiredHome 41:2956a0a221e5 84
WiredHome 32:0e4f2ae512e2 85 /// get the screen width in pixels
WiredHome 32:0e4f2ae512e2 86 ///
WiredHome 32:0e4f2ae512e2 87 /// @note this method must be supported in the derived class.
WiredHome 32:0e4f2ae512e2 88 ///
WiredHome 32:0e4f2ae512e2 89 /// @returns screen width in pixels.
WiredHome 32:0e4f2ae512e2 90 ///
WiredHome 32:0e4f2ae512e2 91 virtual uint16_t width() = 0;
WiredHome 32:0e4f2ae512e2 92
WiredHome 32:0e4f2ae512e2 93 /// get the screen height in pixels
WiredHome 32:0e4f2ae512e2 94 ///
WiredHome 32:0e4f2ae512e2 95 /// @note this method must be supported in the derived class.
WiredHome 32:0e4f2ae512e2 96 ///
WiredHome 32:0e4f2ae512e2 97 /// @returns screen height in pixels.
WiredHome 32:0e4f2ae512e2 98 ///
WiredHome 32:0e4f2ae512e2 99 virtual uint16_t height() = 0;
WiredHome 32:0e4f2ae512e2 100
WiredHome 32:0e4f2ae512e2 101 /// Prepare the controller to write binary data to the screen by positioning
WiredHome 32:0e4f2ae512e2 102 /// the memory cursor.
WiredHome 32:0e4f2ae512e2 103 ///
WiredHome 32:0e4f2ae512e2 104 /// @note this method must be supported in the derived class.
WiredHome 32:0e4f2ae512e2 105 ///
WiredHome 32:0e4f2ae512e2 106 /// @param x is the horizontal position in pixels (from the left edge)
WiredHome 32:0e4f2ae512e2 107 /// @param y is the vertical position in pixels (from the top edge)
WiredHome 32:0e4f2ae512e2 108 /// @returns success/failure code. @see RetCode_t.
WiredHome 32:0e4f2ae512e2 109 ///
WiredHome 37:f19b7e7449dc 110 virtual RetCode_t SetGraphicsCursor(loc_t x, loc_t y) = 0;
WiredHome 32:0e4f2ae512e2 111
WiredHome 41:2956a0a221e5 112 /// Prepare the controller to read binary data from the screen by positioning
WiredHome 41:2956a0a221e5 113 /// the memory read cursor.
WiredHome 41:2956a0a221e5 114 ///
WiredHome 41:2956a0a221e5 115 /// @param x is the horizontal position in pixels (from the left edge)
WiredHome 41:2956a0a221e5 116 /// @param y is the vertical position in pixels (from the top edge)
WiredHome 41:2956a0a221e5 117 /// @returns success/failure code. @see RetCode_t.
WiredHome 41:2956a0a221e5 118 ///
WiredHome 41:2956a0a221e5 119 virtual RetCode_t SetGraphicsCursorRead(loc_t x, loc_t y) = 0;
WiredHome 41:2956a0a221e5 120
WiredHome 32:0e4f2ae512e2 121 /// Draw a filled rectangle in the specified color
WiredHome 32:0e4f2ae512e2 122 ///
WiredHome 32:0e4f2ae512e2 123 /// @note As a side effect, this changes the current
WiredHome 32:0e4f2ae512e2 124 /// foreground color for subsequent operations.
WiredHome 32:0e4f2ae512e2 125 ///
WiredHome 32:0e4f2ae512e2 126 /// @note this method must be supported in the derived class.
WiredHome 32:0e4f2ae512e2 127 ///
WiredHome 32:0e4f2ae512e2 128 /// @param x1 is the horizontal start of the line.
WiredHome 32:0e4f2ae512e2 129 /// @param y1 is the vertical start of the line.
WiredHome 32:0e4f2ae512e2 130 /// @param x2 is the horizontal end of the line.
WiredHome 32:0e4f2ae512e2 131 /// @param y2 is the vertical end of the line.
WiredHome 32:0e4f2ae512e2 132 /// @param color defines the foreground color.
WiredHome 32:0e4f2ae512e2 133 /// @param fillit is optional to NOFILL the rectangle. default is FILL.
WiredHome 32:0e4f2ae512e2 134 /// @returns success/failure code. @see RetCode_t.
WiredHome 32:0e4f2ae512e2 135 ///
WiredHome 37:f19b7e7449dc 136 virtual RetCode_t fillrect(loc_t x1, loc_t y1, loc_t x2, loc_t y2,
WiredHome 32:0e4f2ae512e2 137 color_t color, fill_t fillit = FILL) = 0;
WiredHome 32:0e4f2ae512e2 138
WiredHome 32:0e4f2ae512e2 139
WiredHome 32:0e4f2ae512e2 140 virtual RetCode_t WriteCommand(unsigned char command, unsigned int data = 0xFFFF) = 0;
WiredHome 32:0e4f2ae512e2 141 virtual RetCode_t WriteData(unsigned char data) = 0;
WiredHome 32:0e4f2ae512e2 142
WiredHome 32:0e4f2ae512e2 143 /// Set the window, which controls where items are written to the screen.
WiredHome 32:0e4f2ae512e2 144 ///
WiredHome 32:0e4f2ae512e2 145 /// When something hits the window width, it wraps back to the left side
WiredHome 32:0e4f2ae512e2 146 /// and down a row. If the initial write is outside the window, it will
WiredHome 32:0e4f2ae512e2 147 /// be captured into the window when it crosses a boundary.
WiredHome 32:0e4f2ae512e2 148 ///
WiredHome 32:0e4f2ae512e2 149 /// @param x is the left edge in pixels.
WiredHome 32:0e4f2ae512e2 150 /// @param y is the top edge in pixels.
WiredHome 33:b6b710758ab3 151 /// @param w is the window width in pixels.
WiredHome 33:b6b710758ab3 152 /// @param h is the window height in pixels.
WiredHome 32:0e4f2ae512e2 153 /// @returns success/failure code. @see RetCode_t.
WiredHome 32:0e4f2ae512e2 154 ///
WiredHome 37:f19b7e7449dc 155 virtual RetCode_t window(loc_t x, loc_t y, dim_t w, dim_t h);
WiredHome 32:0e4f2ae512e2 156
WiredHome 32:0e4f2ae512e2 157 /// Clear the screen.
WiredHome 32:0e4f2ae512e2 158 ///
WiredHome 32:0e4f2ae512e2 159 /// The behavior is to clear the whole screen.
WiredHome 32:0e4f2ae512e2 160 ///
WiredHome 61:8f3153bf0baa 161 /// @param layers is ignored, but supports maintaining the same
WiredHome 61:8f3153bf0baa 162 /// API for the graphics layer.
WiredHome 32:0e4f2ae512e2 163 /// @returns success/failure code. @see RetCode_t.
WiredHome 32:0e4f2ae512e2 164 ///
WiredHome 61:8f3153bf0baa 165 virtual RetCode_t cls(uint16_t layers = 0);
WiredHome 32:0e4f2ae512e2 166
WiredHome 32:0e4f2ae512e2 167
WiredHome 31:c72e12cd5c67 168 virtual void WindowMax(void);
dreschpe 0:de9d1462a835 169
WiredHome 32:0e4f2ae512e2 170 /// method to put a single color pixel to the screen.
WiredHome 32:0e4f2ae512e2 171 ///
WiredHome 32:0e4f2ae512e2 172 /// This method may be called as many times as necessary after
WiredHome 32:0e4f2ae512e2 173 /// @see _StartGraphicsStream() is called, and it should be followed
WiredHome 32:0e4f2ae512e2 174 /// by _EndGraphicsStream.
WiredHome 32:0e4f2ae512e2 175 ///
WiredHome 32:0e4f2ae512e2 176 /// @param pixel is a color value to be put on the screen.
WiredHome 32:0e4f2ae512e2 177 /// @returns error code.
WiredHome 32:0e4f2ae512e2 178 ///
WiredHome 55:dfbabef7003e 179 virtual RetCode_t _putp(color_t pixel);
WiredHome 32:0e4f2ae512e2 180
WiredHome 32:0e4f2ae512e2 181
WiredHome 33:b6b710758ab3 182 virtual void fill(int x, int y, int w, int h, color_t color);
WiredHome 33:b6b710758ab3 183 virtual void blit(int x, int y, int w, int h, const int * color);
WiredHome 29:422616aa04bd 184
WiredHome 29:422616aa04bd 185 /// This method transfers one character from the external font data
WiredHome 29:422616aa04bd 186 /// to the screen.
WiredHome 29:422616aa04bd 187 ///
WiredHome 29:422616aa04bd 188 /// @note the font data is in a special format as generate by
WiredHome 29:422616aa04bd 189 /// the mikroe font creator. \\
WiredHome 29:422616aa04bd 190 /// See http://www.mikroe.com/glcd-font-creator/
WiredHome 29:422616aa04bd 191 ///
WiredHome 29:422616aa04bd 192 /// @param x is the horizontal pixel coordinate
WiredHome 29:422616aa04bd 193 /// @param y is the vertical pixel coordinate
WiredHome 29:422616aa04bd 194 /// @param fontTable is the base of the table which has the metrics
WiredHome 29:422616aa04bd 195 /// @param fontChar is the start of that record in the table for the char (e.g. 'A' - 'Z')
WiredHome 29:422616aa04bd 196 /// @returns how far the cursor should advance to the right in pixels
WiredHome 29:422616aa04bd 197 ///
WiredHome 29:422616aa04bd 198 virtual int fontblit(int x, int y, const unsigned char * fontTable, const unsigned char * fontChar);
WiredHome 29:422616aa04bd 199
WiredHome 32:0e4f2ae512e2 200 /// This method returns the color value from a palette.
WiredHome 32:0e4f2ae512e2 201 ///
WiredHome 32:0e4f2ae512e2 202 /// This method accepts a pointer to a Bitmap color palette, which
WiredHome 32:0e4f2ae512e2 203 /// is a table in memory composed of RGB Quad values (r, g, b, 0),
WiredHome 32:0e4f2ae512e2 204 /// and an index into that table. It then extracts the color information
WiredHome 32:0e4f2ae512e2 205 /// and downsamples it to a color_t value which it returns.
WiredHome 32:0e4f2ae512e2 206 ///
WiredHome 32:0e4f2ae512e2 207 /// @note This method probably has very little value outside of
WiredHome 32:0e4f2ae512e2 208 /// the internal methods for reading BMP files.
WiredHome 32:0e4f2ae512e2 209 ///
WiredHome 32:0e4f2ae512e2 210 /// @param colorPalette is the handle to the color palette to use.
WiredHome 32:0e4f2ae512e2 211 /// @param i is the index into the color palette.
WiredHome 32:0e4f2ae512e2 212 /// @returns the color in color_t format.
WiredHome 32:0e4f2ae512e2 213 ///
WiredHome 32:0e4f2ae512e2 214 color_t RGBQuadToRGB16(RGBQUAD * colorPalette, uint16_t i);
WiredHome 32:0e4f2ae512e2 215
WiredHome 41:2956a0a221e5 216 /// This method converts a 16-bit color value into a 24-bit RGB Quad.
WiredHome 41:2956a0a221e5 217 ///
WiredHome 41:2956a0a221e5 218 /// @param c is the 16-bit color. @see color_t
WiredHome 41:2956a0a221e5 219 /// @returns an RGBQUAD value. @see RGBQUAD
WiredHome 41:2956a0a221e5 220 ///
WiredHome 41:2956a0a221e5 221 RGBQUAD RGB16ToRGBQuad(color_t c);
WiredHome 41:2956a0a221e5 222
WiredHome 42:7cbdfd2bbfc5 223 /// This method attempts to render a specified graphics image file at
WiredHome 42:7cbdfd2bbfc5 224 /// the specified screen location.
WiredHome 42:7cbdfd2bbfc5 225 ///
WiredHome 42:7cbdfd2bbfc5 226 /// This supports several variants of the following file types:
WiredHome 42:7cbdfd2bbfc5 227 /// \li Bitmap file format,
WiredHome 42:7cbdfd2bbfc5 228 /// \li Icon file format.
WiredHome 42:7cbdfd2bbfc5 229 ///
WiredHome 42:7cbdfd2bbfc5 230 /// @note The specified image width and height, when adjusted for the
WiredHome 42:7cbdfd2bbfc5 231 /// x and y origin, must fit on the screen, or the image will not
WiredHome 42:7cbdfd2bbfc5 232 /// be shown (it does not clip the image).
WiredHome 42:7cbdfd2bbfc5 233 ///
WiredHome 42:7cbdfd2bbfc5 234 /// @note The file extension is tested, and if it ends in a supported
WiredHome 42:7cbdfd2bbfc5 235 /// format, the appropriate handler is called to render that image.
WiredHome 42:7cbdfd2bbfc5 236 ///
WiredHome 42:7cbdfd2bbfc5 237 /// @param x is the horizontal pixel coordinate
WiredHome 42:7cbdfd2bbfc5 238 /// @param y is the vertical pixel coordinate
WiredHome 42:7cbdfd2bbfc5 239 /// @param FileName refers to the fully qualified path and file on
WiredHome 42:7cbdfd2bbfc5 240 /// a mounted file system.
WiredHome 42:7cbdfd2bbfc5 241 /// @returns success or error code.
WiredHome 42:7cbdfd2bbfc5 242 ///
WiredHome 42:7cbdfd2bbfc5 243 RetCode_t RenderImageFile(loc_t x, loc_t y, const char *FileName);
WiredHome 42:7cbdfd2bbfc5 244
WiredHome 31:c72e12cd5c67 245 /// This method reads a disk file that is in bitmap format and
WiredHome 31:c72e12cd5c67 246 /// puts it on the screen.
WiredHome 31:c72e12cd5c67 247 ///
WiredHome 36:300f6ee0b2cf 248 /// Supported formats:
WiredHome 36:300f6ee0b2cf 249 /// \li 4-bit color format (16 colors)
WiredHome 36:300f6ee0b2cf 250 /// \li 8-bit color format (256 colors)
WiredHome 36:300f6ee0b2cf 251 /// \li 16-bit color format (65k colors)
WiredHome 36:300f6ee0b2cf 252 /// \li compression: no.
WiredHome 36:300f6ee0b2cf 253 ///
WiredHome 36:300f6ee0b2cf 254 /// @note This is a slow operation, typically due to the use of
WiredHome 36:300f6ee0b2cf 255 /// the file system, and partially because bmp files
WiredHome 31:c72e12cd5c67 256 /// are stored from the bottom up, and the memory is written
WiredHome 32:0e4f2ae512e2 257 /// from the top down; as a result, it constantly 'seeks'
WiredHome 32:0e4f2ae512e2 258 /// on the file system for the next row of information.
WiredHome 31:c72e12cd5c67 259 ///
WiredHome 34:c99ec28fac66 260 /// As a performance test, a sample picture was timed. A family picture
WiredHome 34:c99ec28fac66 261 /// was converted to Bitmap format; shrunk to 352 x 272 pixels and save
WiredHome 34:c99ec28fac66 262 /// in 8-bit color format. The resulting file size was 94.5 KByte.
WiredHome 34:c99ec28fac66 263 /// The SPI port interface was set to 20 MHz.
WiredHome 34:c99ec28fac66 264 /// The original bitmap rendering software was purely in software,
WiredHome 34:c99ec28fac66 265 /// pushing 1 pixel at a time to the write function, which did use SPI
WiredHome 34:c99ec28fac66 266 /// hardware (not pin wiggling) to transfer commands and data to the
WiredHome 34:c99ec28fac66 267 /// display. Then, the driver was improved to leverage the capability
WiredHome 34:c99ec28fac66 268 /// of the derived display driver. As a final check, instead of the
WiredHome 34:c99ec28fac66 269 /// [known slow] local file system, a randomly chosen USB stick was
WiredHome 34:c99ec28fac66 270 /// used. The performance results are impressive (but depend on the
WiredHome 34:c99ec28fac66 271 /// listed factors).
WiredHome 34:c99ec28fac66 272 ///
WiredHome 35:7dcab9e3ab25 273 /// \li 34 seconds, LocalFileSystem, Software Rendering
WiredHome 35:7dcab9e3ab25 274 /// \li 9 seconds, LocalFileSystem, Hardware Rending for RA8875
WiredHome 35:7dcab9e3ab25 275 /// \li 3 seconds, MSCFileSystem, Hardware Rendering for RA8875
WiredHome 34:c99ec28fac66 276 ///
WiredHome 31:c72e12cd5c67 277 /// @param x is the horizontal pixel coordinate
WiredHome 31:c72e12cd5c67 278 /// @param y is the vertical pixel coordinate
WiredHome 42:7cbdfd2bbfc5 279 /// @param Name_BMP is the filename on the mounted file system.
WiredHome 31:c72e12cd5c67 280 /// @returns success or error code.
WiredHome 31:c72e12cd5c67 281 ///
WiredHome 37:f19b7e7449dc 282 RetCode_t RenderBitmapFile(loc_t x, loc_t y, const char *Name_BMP);
WiredHome 31:c72e12cd5c67 283
WiredHome 42:7cbdfd2bbfc5 284
WiredHome 42:7cbdfd2bbfc5 285 /// This method reads a disk file that is in ico format and
WiredHome 42:7cbdfd2bbfc5 286 /// puts it on the screen.
WiredHome 42:7cbdfd2bbfc5 287 ///
WiredHome 42:7cbdfd2bbfc5 288 /// Reading the disk is slow, but a typical icon file is small
WiredHome 42:7cbdfd2bbfc5 289 /// so it should be ok.
WiredHome 42:7cbdfd2bbfc5 290 ///
WiredHome 42:7cbdfd2bbfc5 291 /// @note An Icon file can have more than one icon in it. This
WiredHome 42:7cbdfd2bbfc5 292 /// implementation only processes the first image in the file.
WiredHome 42:7cbdfd2bbfc5 293 ///
WiredHome 42:7cbdfd2bbfc5 294 /// @param x is the horizontal pixel coordinate
WiredHome 42:7cbdfd2bbfc5 295 /// @param y is the vertical pixel coordinate
WiredHome 42:7cbdfd2bbfc5 296 /// @param Name_ICO is the filename on the mounted file system.
WiredHome 42:7cbdfd2bbfc5 297 /// @returns success or error code.
WiredHome 42:7cbdfd2bbfc5 298 ///
WiredHome 42:7cbdfd2bbfc5 299 RetCode_t RenderIconFile(loc_t x, loc_t y, const char *Name_ICO);
WiredHome 42:7cbdfd2bbfc5 300
WiredHome 42:7cbdfd2bbfc5 301
WiredHome 41:2956a0a221e5 302 /// This method captures the specified area as a 24-bit bitmap file.
WiredHome 41:2956a0a221e5 303 ///
WiredHome 41:2956a0a221e5 304 /// Even though this is a 16-bit display, the stored image is in
WiredHome 41:2956a0a221e5 305 /// 24-bit format.
WiredHome 41:2956a0a221e5 306 ///
WiredHome 41:2956a0a221e5 307 /// @param x is the left edge of the region to capture
WiredHome 41:2956a0a221e5 308 /// @param y is the top edge of the region to capture
WiredHome 41:2956a0a221e5 309 /// @param w is the width of the region to capture
WiredHome 41:2956a0a221e5 310 /// @param h is the height of the region to capture.
WiredHome 41:2956a0a221e5 311 /// @return success or error code.
WiredHome 41:2956a0a221e5 312 ///
WiredHome 41:2956a0a221e5 313 RetCode_t PrintScreen(loc_t x, loc_t y, dim_t w, dim_t h, const char *Name_BMP);
WiredHome 41:2956a0a221e5 314
WiredHome 29:422616aa04bd 315 /// prints one character at the specified coordinates.
WiredHome 29:422616aa04bd 316 ///
WiredHome 29:422616aa04bd 317 /// This will print the character at the specified pixel coordinates.
WiredHome 29:422616aa04bd 318 ///
WiredHome 29:422616aa04bd 319 /// @param x is the horizontal offset in pixels.
WiredHome 29:422616aa04bd 320 /// @param y is the vertical offset in pixels.
WiredHome 29:422616aa04bd 321 /// @param value is the character to print.
WiredHome 29:422616aa04bd 322 /// @returns number of pixels to index to the right if a character was printed, 0 otherwise.
WiredHome 29:422616aa04bd 323 ///
WiredHome 29:422616aa04bd 324 virtual int character(int x, int y, int value);
WiredHome 29:422616aa04bd 325
WiredHome 32:0e4f2ae512e2 326 /// get the number of colums based on the currently active font
WiredHome 32:0e4f2ae512e2 327 ///
WiredHome 32:0e4f2ae512e2 328 /// @returns number of columns.
WiredHome 32:0e4f2ae512e2 329 ///
WiredHome 32:0e4f2ae512e2 330 virtual int columns(void);
WiredHome 32:0e4f2ae512e2 331
WiredHome 32:0e4f2ae512e2 332 /// get the number of rows based on the currently active font
WiredHome 32:0e4f2ae512e2 333 ///
WiredHome 32:0e4f2ae512e2 334 /// @returns number of rows.
WiredHome 32:0e4f2ae512e2 335 ///
WiredHome 32:0e4f2ae512e2 336 virtual int rows(void);
WiredHome 32:0e4f2ae512e2 337
WiredHome 36:300f6ee0b2cf 338 /// Select a bitmap font (provided by the user) for all subsequent text
WiredHome 36:300f6ee0b2cf 339 /// rendering.
WiredHome 36:300f6ee0b2cf 340 ///
WiredHome 36:300f6ee0b2cf 341 /// This API permits selection of a special memory mapped font, which
WiredHome 36:300f6ee0b2cf 342 /// enables the presentation of many font sizes and styles, including
WiredHome 36:300f6ee0b2cf 343 /// proportional fonts.
WiredHome 32:0e4f2ae512e2 344 ///
WiredHome 32:0e4f2ae512e2 345 /// @note Tool to create the fonts is accessible from its creator
WiredHome 36:300f6ee0b2cf 346 /// available at http://www.mikroe.com.
WiredHome 36:300f6ee0b2cf 347 /// Hint: Change the data to an array of type char[].
WiredHome 32:0e4f2ae512e2 348 ///
WiredHome 32:0e4f2ae512e2 349 /// This special font array has a 4-byte header, followed by
WiredHome 32:0e4f2ae512e2 350 /// the data:
WiredHome 36:300f6ee0b2cf 351 /// \li the number of bytes per char
WiredHome 36:300f6ee0b2cf 352 /// \li the vertical size in pixels for each character
WiredHome 36:300f6ee0b2cf 353 /// \li the horizontal size in pixels for each character
WiredHome 36:300f6ee0b2cf 354 /// \li the number of bytes per vertical line (width of the array)
WiredHome 36:300f6ee0b2cf 355 /// \li the subsequent records are the font information.
WiredHome 36:300f6ee0b2cf 356 ///
WiredHome 36:300f6ee0b2cf 357 /// @param font is a pointer to a specially formed font array.
WiredHome 36:300f6ee0b2cf 358 /// NULL, or the omission of this parameter will restore the default
WiredHome 36:300f6ee0b2cf 359 /// font capability, which may use the display controllers hardware
WiredHome 36:300f6ee0b2cf 360 /// font (if available), or no font.
WiredHome 32:0e4f2ae512e2 361 /// @returns error code.
WiredHome 32:0e4f2ae512e2 362 ///
WiredHome 29:422616aa04bd 363 virtual RetCode_t set_font(const unsigned char * font = NULL);
WiredHome 32:0e4f2ae512e2 364
WiredHome 32:0e4f2ae512e2 365 protected:
WiredHome 32:0e4f2ae512e2 366
WiredHome 32:0e4f2ae512e2 367 /// Pure virtual method indicating the start of a graphics stream.
WiredHome 32:0e4f2ae512e2 368 ///
WiredHome 32:0e4f2ae512e2 369 /// This is called prior to a stream of pixel data being sent.
WiredHome 32:0e4f2ae512e2 370 /// This may cause register configuration changes in the derived
WiredHome 32:0e4f2ae512e2 371 /// class in order to prepare the hardware to accept the streaming
WiredHome 32:0e4f2ae512e2 372 /// data.
WiredHome 32:0e4f2ae512e2 373 ///
WiredHome 32:0e4f2ae512e2 374 /// @note this method must be supported in the derived class.
WiredHome 32:0e4f2ae512e2 375 ///
WiredHome 32:0e4f2ae512e2 376 /// @returns error code.
WiredHome 32:0e4f2ae512e2 377 ///
WiredHome 32:0e4f2ae512e2 378 virtual RetCode_t _StartGraphicsStream(void) = 0;
dreschpe 0:de9d1462a835 379
WiredHome 32:0e4f2ae512e2 380 /// Pure virtual method indicating the end of a graphics stream.
WiredHome 32:0e4f2ae512e2 381 ///
WiredHome 32:0e4f2ae512e2 382 /// This is called to conclude a stream of pixel data that was sent.
WiredHome 32:0e4f2ae512e2 383 /// This may cause register configuration changes in the derived
WiredHome 32:0e4f2ae512e2 384 /// class in order to stop the hardware from accept the streaming
WiredHome 32:0e4f2ae512e2 385 /// data.
WiredHome 32:0e4f2ae512e2 386 ///
WiredHome 32:0e4f2ae512e2 387 /// @note this method must be supported in the derived class.
WiredHome 32:0e4f2ae512e2 388 ///
WiredHome 32:0e4f2ae512e2 389 /// @returns error code.
WiredHome 32:0e4f2ae512e2 390 ///
WiredHome 32:0e4f2ae512e2 391 virtual RetCode_t _EndGraphicsStream(void) = 0;
WiredHome 32:0e4f2ae512e2 392
WiredHome 42:7cbdfd2bbfc5 393 /// Protected method to render an image given a file handle and
WiredHome 42:7cbdfd2bbfc5 394 /// coordinates.
WiredHome 42:7cbdfd2bbfc5 395 ///
WiredHome 42:7cbdfd2bbfc5 396 /// @param x is the horizontal pixel coordinate
WiredHome 42:7cbdfd2bbfc5 397 /// @param y is the vertical pixel coordinate
WiredHome 42:7cbdfd2bbfc5 398 /// @param w is the image width restriction, or zero to permit full image width.
WiredHome 42:7cbdfd2bbfc5 399 /// @param h is the image height restriction, or zero to permit full image height.
WiredHome 42:7cbdfd2bbfc5 400 /// @param fileOffset is the offset into the file where the image data starts
WiredHome 42:7cbdfd2bbfc5 401 /// @param Image is the filename stream already opened for the data.
WiredHome 42:7cbdfd2bbfc5 402 /// @returns success or error code.
WiredHome 42:7cbdfd2bbfc5 403 ///
WiredHome 42:7cbdfd2bbfc5 404 RetCode_t _RenderBitmap(loc_t x, loc_t y, uint32_t fileOffset, FILE * Image);
WiredHome 42:7cbdfd2bbfc5 405
WiredHome 37:f19b7e7449dc 406 #ifdef LOCALFONT
WiredHome 37:f19b7e7449dc 407 virtual int blitbit(int x, int y, int w, int h, const char * color);
WiredHome 37:f19b7e7449dc 408 #endif
WiredHome 37:f19b7e7449dc 409
WiredHome 29:422616aa04bd 410 const unsigned char * font; ///< reference to an external font somewhere in memory
WiredHome 29:422616aa04bd 411
dreschpe 0:de9d1462a835 412 // pixel location
dreschpe 0:de9d1462a835 413 short _x;
dreschpe 0:de9d1462a835 414 short _y;
dreschpe 0:de9d1462a835 415
dreschpe 0:de9d1462a835 416 // window location
dreschpe 0:de9d1462a835 417 short _x1;
dreschpe 0:de9d1462a835 418 short _x2;
dreschpe 0:de9d1462a835 419 short _y1;
dreschpe 0:de9d1462a835 420 short _y2;
dreschpe 0:de9d1462a835 421 };
dreschpe 0:de9d1462a835 422
dreschpe 0:de9d1462a835 423 #endif
WiredHome 33:b6b710758ab3 424