Guillermo Stedile / RA8875

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Fork of RA8875 by SNOCC

GraphicsDisplay.h@118:0973c6527882, 2017-06-23 (annotated)

Committer:
gstedile
Date:
Fri Jun 23 03:58:47 2017 +0000
Revision:
118:0973c6527882
Parent:
109:7b94f06f085b 
20170622

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 32:0e4f2ae512e2 19 /// The GraphicsDisplay class
WiredHome 32:0e4f2ae512e2 20 ///
WiredHome 32:0e4f2ae512e2 21 /// This graphics display class supports both graphics and text operations.
WiredHome 32:0e4f2ae512e2 22 /// Typically, a subclass is derived from this which has localizations to
WiredHome 32:0e4f2ae512e2 23 /// adapt to a specific hardware platform (e.g. a display controller chip),
WiredHome 32:0e4f2ae512e2 24 /// that overrides methods in here to either add more capability or perhaps
WiredHome 32:0e4f2ae512e2 25 /// to improve performance, by leveraging specific hardware capabilities.
WiredHome 32:0e4f2ae512e2 26 ///
WiredHome 32:0e4f2ae512e2 27 class GraphicsDisplay : public TextDisplay
WiredHome 32:0e4f2ae512e2 28 {
WiredHome 32:0e4f2ae512e2 29 public:
WiredHome 32:0e4f2ae512e2 30 /// The constructor
dreschpe 0:de9d1462a835 31 GraphicsDisplay(const char* name);
WiredHome 32:0e4f2ae512e2 32
WiredHome 104:8d1d3832a215 33 //~GraphicsDisplay();
WiredHome 104:8d1d3832a215 34
WiredHome 32:0e4f2ae512e2 35 /// Draw a pixel in the specified color.
WiredHome 32:0e4f2ae512e2 36 ///
WiredHome 32:0e4f2ae512e2 37 /// @note this method must be supported in the derived class.
WiredHome 32:0e4f2ae512e2 38 ///
WiredHome 76:c981284eb513 39 /// @param[in] x is the horizontal offset to this pixel.
WiredHome 76:c981284eb513 40 /// @param[in] y is the vertical offset to this pixel.
WiredHome 76:c981284eb513 41 /// @param[in] color defines the color for the pixel.
WiredHome 32:0e4f2ae512e2 42 /// @returns success/failure code. @see RetCode_t.
WiredHome 32:0e4f2ae512e2 43 ///
WiredHome 37:f19b7e7449dc 44 virtual RetCode_t pixel(loc_t x, loc_t y, color_t color) = 0;
WiredHome 32:0e4f2ae512e2 45
WiredHome 41:2956a0a221e5 46 /// Write a stream of pixels to the display.
WiredHome 41:2956a0a221e5 47 ///
WiredHome 41:2956a0a221e5 48 /// @note this method must be supported in the derived class.
WiredHome 41:2956a0a221e5 49 ///
WiredHome 76:c981284eb513 50 /// @param[in] p is a pointer to a color_t array to write.
WiredHome 76:c981284eb513 51 /// @param[in] count is the number of pixels to write.
WiredHome 76:c981284eb513 52 /// @param[in] x is the horizontal position on the display.
WiredHome 76:c981284eb513 53 /// @param[in] y is the vertical position on the display.
WiredHome 41:2956a0a221e5 54 /// @returns success/failure code. @see RetCode_t.
WiredHome 41:2956a0a221e5 55 ///
WiredHome 41:2956a0a221e5 56 virtual RetCode_t pixelStream(color_t * p, uint32_t count, loc_t x, loc_t y) = 0;
WiredHome 41:2956a0a221e5 57
WiredHome 41:2956a0a221e5 58 /// Get a pixel from the display.
WiredHome 41:2956a0a221e5 59 ///
WiredHome 41:2956a0a221e5 60 /// @note this method must be supported in the derived class.
WiredHome 41:2956a0a221e5 61 ///
WiredHome 76:c981284eb513 62 /// @param[in] x is the horizontal offset to this pixel.
WiredHome 76:c981284eb513 63 /// @param[in] y is the vertical offset to this pixel.
WiredHome 41:2956a0a221e5 64 /// @returns the pixel. see @color_t
WiredHome 41:2956a0a221e5 65 ///
WiredHome 41:2956a0a221e5 66 virtual color_t getPixel(loc_t x, loc_t y) = 0;
WiredHome 41:2956a0a221e5 67
WiredHome 41:2956a0a221e5 68 /// Get a stream of pixels from the display.
WiredHome 41:2956a0a221e5 69 ///
WiredHome 41:2956a0a221e5 70 /// @note this method must be supported in the derived class.
WiredHome 41:2956a0a221e5 71 ///
WiredHome 76:c981284eb513 72 /// @param[out] p is a pointer to a color_t array to accept the stream.
WiredHome 76:c981284eb513 73 /// @param[in] count is the number of pixels to read.
WiredHome 76:c981284eb513 74 /// @param[in] x is the horizontal offset to this pixel.
WiredHome 76:c981284eb513 75 /// @param[in] y is the vertical offset to this pixel.
WiredHome 41:2956a0a221e5 76 /// @returns success/failure code. @see RetCode_t.
WiredHome 41:2956a0a221e5 77 ///
WiredHome 41:2956a0a221e5 78 virtual RetCode_t getPixelStream(color_t * p, uint32_t count, loc_t x, loc_t y) = 0;
WiredHome 41:2956a0a221e5 79
WiredHome 32:0e4f2ae512e2 80 /// get the screen width in pixels
WiredHome 32:0e4f2ae512e2 81 ///
WiredHome 32:0e4f2ae512e2 82 /// @note this method must be supported in the derived class.
WiredHome 32:0e4f2ae512e2 83 ///
WiredHome 32:0e4f2ae512e2 84 /// @returns screen width in pixels.
WiredHome 32:0e4f2ae512e2 85 ///
WiredHome 32:0e4f2ae512e2 86 virtual uint16_t width() = 0;
WiredHome 32:0e4f2ae512e2 87
WiredHome 32:0e4f2ae512e2 88 /// get the screen height in pixels
WiredHome 32:0e4f2ae512e2 89 ///
WiredHome 32:0e4f2ae512e2 90 /// @note this method must be supported in the derived class.
WiredHome 32:0e4f2ae512e2 91 ///
WiredHome 32:0e4f2ae512e2 92 /// @returns screen height in pixels.
WiredHome 32:0e4f2ae512e2 93 ///
WiredHome 32:0e4f2ae512e2 94 virtual uint16_t height() = 0;
WiredHome 32:0e4f2ae512e2 95
WiredHome 32:0e4f2ae512e2 96 /// Prepare the controller to write binary data to the screen by positioning
WiredHome 32:0e4f2ae512e2 97 /// the memory cursor.
WiredHome 32:0e4f2ae512e2 98 ///
WiredHome 32:0e4f2ae512e2 99 /// @note this method must be supported in the derived class.
WiredHome 32:0e4f2ae512e2 100 ///
WiredHome 76:c981284eb513 101 /// @param[in] x is the horizontal position in pixels (from the left edge)
WiredHome 76:c981284eb513 102 /// @param[in] y is the vertical position in pixels (from the top edge)
WiredHome 32:0e4f2ae512e2 103 /// @returns success/failure code. @see RetCode_t.
WiredHome 32:0e4f2ae512e2 104 ///
WiredHome 37:f19b7e7449dc 105 virtual RetCode_t SetGraphicsCursor(loc_t x, loc_t y) = 0;
WiredHome 32:0e4f2ae512e2 106
WiredHome 41:2956a0a221e5 107 /// Prepare the controller to read binary data from the screen by positioning
WiredHome 41:2956a0a221e5 108 /// the memory read cursor.
WiredHome 41:2956a0a221e5 109 ///
WiredHome 76:c981284eb513 110 /// @param[in] x is the horizontal position in pixels (from the left edge)
WiredHome 76:c981284eb513 111 /// @param[in] y is the vertical position in pixels (from the top edge)
WiredHome 41:2956a0a221e5 112 /// @returns success/failure code. @see RetCode_t.
WiredHome 41:2956a0a221e5 113 ///
WiredHome 41:2956a0a221e5 114 virtual RetCode_t SetGraphicsCursorRead(loc_t x, loc_t y) = 0;
WiredHome 41:2956a0a221e5 115
WiredHome 32:0e4f2ae512e2 116 /// Draw a filled rectangle in the specified color
WiredHome 32:0e4f2ae512e2 117 ///
WiredHome 32:0e4f2ae512e2 118 /// @note As a side effect, this changes the current
WiredHome 32:0e4f2ae512e2 119 /// foreground color for subsequent operations.
WiredHome 32:0e4f2ae512e2 120 ///
WiredHome 32:0e4f2ae512e2 121 /// @note this method must be supported in the derived class.
WiredHome 32:0e4f2ae512e2 122 ///
WiredHome 76:c981284eb513 123 /// @param[in] x1 is the horizontal start of the line.
WiredHome 76:c981284eb513 124 /// @param[in] y1 is the vertical start of the line.
WiredHome 76:c981284eb513 125 /// @param[in] x2 is the horizontal end of the line.
WiredHome 76:c981284eb513 126 /// @param[in] y2 is the vertical end of the line.
WiredHome 76:c981284eb513 127 /// @param[in] color defines the foreground color.
WiredHome 76:c981284eb513 128 /// @param[in] fillit is optional to NOFILL the rectangle. default is FILL.
WiredHome 32:0e4f2ae512e2 129 /// @returns success/failure code. @see RetCode_t.
WiredHome 32:0e4f2ae512e2 130 ///
WiredHome 37:f19b7e7449dc 131 virtual RetCode_t fillrect(loc_t x1, loc_t y1, loc_t x2, loc_t y2,
WiredHome 32:0e4f2ae512e2 132 color_t color, fill_t fillit = FILL) = 0;
WiredHome 32:0e4f2ae512e2 133
WiredHome 32:0e4f2ae512e2 134
WiredHome 32:0e4f2ae512e2 135 virtual RetCode_t WriteCommand(unsigned char command, unsigned int data = 0xFFFF) = 0;
WiredHome 32:0e4f2ae512e2 136 virtual RetCode_t WriteData(unsigned char data) = 0;
WiredHome 32:0e4f2ae512e2 137
WiredHome 32:0e4f2ae512e2 138 /// Set the window, which controls where items are written to the screen.
WiredHome 32:0e4f2ae512e2 139 ///
WiredHome 32:0e4f2ae512e2 140 /// When something hits the window width, it wraps back to the left side
WiredHome 32:0e4f2ae512e2 141 /// and down a row. If the initial write is outside the window, it will
WiredHome 32:0e4f2ae512e2 142 /// be captured into the window when it crosses a boundary.
WiredHome 32:0e4f2ae512e2 143 ///
WiredHome 76:c981284eb513 144 /// @param[in] x is the left edge in pixels.
WiredHome 76:c981284eb513 145 /// @param[in] y is the top edge in pixels.
WiredHome 76:c981284eb513 146 /// @param[in] w is the window width in pixels.
WiredHome 76:c981284eb513 147 /// @param[in] h is the window height in pixels.
WiredHome 32:0e4f2ae512e2 148 /// @returns success/failure code. @see RetCode_t.
WiredHome 32:0e4f2ae512e2 149 ///
WiredHome 37:f19b7e7449dc 150 virtual RetCode_t window(loc_t x, loc_t y, dim_t w, dim_t h);
WiredHome 32:0e4f2ae512e2 151
WiredHome 32:0e4f2ae512e2 152 /// Clear the screen.
WiredHome 32:0e4f2ae512e2 153 ///
WiredHome 32:0e4f2ae512e2 154 /// The behavior is to clear the whole screen.
WiredHome 32:0e4f2ae512e2 155 ///
WiredHome 76:c981284eb513 156 /// @param[in] layers is ignored, but supports maintaining the same
WiredHome 61:8f3153bf0baa 157 /// API for the graphics layer.
WiredHome 32:0e4f2ae512e2 158 /// @returns success/failure code. @see RetCode_t.
WiredHome 32:0e4f2ae512e2 159 ///
WiredHome 61:8f3153bf0baa 160 virtual RetCode_t cls(uint16_t layers = 0);
WiredHome 32:0e4f2ae512e2 161
WiredHome 76:c981284eb513 162 /// method to set the window region to the full screen.
WiredHome 76:c981284eb513 163 ///
WiredHome 76:c981284eb513 164 /// This restores the 'window' to the full screen, so that
WiredHome 76:c981284eb513 165 /// other operations (@see cls) would clear the whole screen.
WiredHome 76:c981284eb513 166 ///
WiredHome 79:544eb4964795 167 /// @returns success/failure code. @see RetCode_t.
WiredHome 79:544eb4964795 168 ///
WiredHome 79:544eb4964795 169 virtual RetCode_t WindowMax(void);
dreschpe 0:de9d1462a835 170
WiredHome 32:0e4f2ae512e2 171 /// method to put a single color pixel to the screen.
WiredHome 32:0e4f2ae512e2 172 ///
WiredHome 32:0e4f2ae512e2 173 /// This method may be called as many times as necessary after
WiredHome 32:0e4f2ae512e2 174 /// @see _StartGraphicsStream() is called, and it should be followed
WiredHome 32:0e4f2ae512e2 175 /// by _EndGraphicsStream.
WiredHome 32:0e4f2ae512e2 176 ///
WiredHome 76:c981284eb513 177 /// @param[in] pixel is a color value to be put on the screen.
WiredHome 79:544eb4964795 178 /// @returns success/failure code. @see RetCode_t.
WiredHome 32:0e4f2ae512e2 179 ///
WiredHome 55:dfbabef7003e 180 virtual RetCode_t _putp(color_t pixel);
WiredHome 32:0e4f2ae512e2 181
WiredHome 79:544eb4964795 182 /// method to fill a region.
WiredHome 79:544eb4964795 183 ///
WiredHome 79:544eb4964795 184 /// This method fills a region with the specified color.
WiredHome 79:544eb4964795 185 ///
WiredHome 79:544eb4964795 186 /// @param[in] x is the left-edge of the region.
WiredHome 79:544eb4964795 187 /// @param[in] y is the top-edge of the region.
WiredHome 79:544eb4964795 188 /// @param[in] w specifies the width of the region.
WiredHome 79:544eb4964795 189 /// @param[in] h specifies the height of the region.
WiredHome 79:544eb4964795 190 /// @returns success/failure code. @see RetCode_t.
WiredHome 79:544eb4964795 191 ///
WiredHome 109:7b94f06f085b 192 virtual RetCode_t fill(loc_t x, loc_t y, dim_t w, dim_t h, color_t color);
WiredHome 76:c981284eb513 193
WiredHome 79:544eb4964795 194
WiredHome 109:7b94f06f085b 195 virtual RetCode_t blit(loc_t x, loc_t y, dim_t w, dim_t h, const int * color);
WiredHome 29:422616aa04bd 196
WiredHome 101:e0aad446094a 197 /// This method returns the width in pixels of the chosen character
WiredHome 101:e0aad446094a 198 /// from the previously selected external font.
WiredHome 101:e0aad446094a 199 ///
WiredHome 101:e0aad446094a 200 /// @param[in] c is the character of interest.
WiredHome 106:c80828f5dea4 201 /// @param[in, out] width is a pointer to where the width will be stored.
WiredHome 101:e0aad446094a 202 /// This parameter is NULL tested and will only be written if not null
WiredHome 101:e0aad446094a 203 /// which is convenient if you only want the height.
WiredHome 106:c80828f5dea4 204 /// @param[in, out] height is a pointer to where the height will be stored.
WiredHome 101:e0aad446094a 205 /// This parameter is NULL tested and will only be written if not null
WiredHome 101:e0aad446094a 206 /// which is convenient if you only want the width.
WiredHome 101:e0aad446094a 207 /// @returns a pointer to the raw character data or NULL if not found.
WiredHome 101:e0aad446094a 208 ///
WiredHome 109:7b94f06f085b 209 virtual const uint8_t * getCharMetrics(const unsigned char c, dim_t * width, dim_t * height);
WiredHome 101:e0aad446094a 210
WiredHome 29:422616aa04bd 211 /// This method transfers one character from the external font data
WiredHome 29:422616aa04bd 212 /// to the screen.
WiredHome 29:422616aa04bd 213 ///
WiredHome 101:e0aad446094a 214 /// The font being used has already been set with the SelectUserFont
WiredHome 101:e0aad446094a 215 /// API.
WiredHome 101:e0aad446094a 216 ///
WiredHome 29:422616aa04bd 217 /// @note the font data is in a special format as generate by
WiredHome 95:ef538bd687c0 218 /// the mikroe font creator.
WiredHome 29:422616aa04bd 219 /// See http://www.mikroe.com/glcd-font-creator/
WiredHome 29:422616aa04bd 220 ///
WiredHome 76:c981284eb513 221 /// @param[in] x is the horizontal pixel coordinate
WiredHome 76:c981284eb513 222 /// @param[in] y is the vertical pixel coordinate
WiredHome 98:ecebed9b80b2 223 /// @param[in] c is the character to render
WiredHome 98:ecebed9b80b2 224 /// @returns how far the cursor should advance to the right in pixels.
WiredHome 98:ecebed9b80b2 225 /// @returns zero if the character could not be rendered.
WiredHome 29:422616aa04bd 226 ///
WiredHome 109:7b94f06f085b 227 virtual int fontblit(loc_t x, loc_t y, const unsigned char c);
WiredHome 29:422616aa04bd 228
WiredHome 32:0e4f2ae512e2 229 /// This method returns the color value from a palette.
WiredHome 32:0e4f2ae512e2 230 ///
WiredHome 32:0e4f2ae512e2 231 /// This method accepts a pointer to a Bitmap color palette, which
WiredHome 32:0e4f2ae512e2 232 /// is a table in memory composed of RGB Quad values (r, g, b, 0),
WiredHome 32:0e4f2ae512e2 233 /// and an index into that table. It then extracts the color information
WiredHome 32:0e4f2ae512e2 234 /// and downsamples it to a color_t value which it returns.
WiredHome 32:0e4f2ae512e2 235 ///
WiredHome 32:0e4f2ae512e2 236 /// @note This method probably has very little value outside of
WiredHome 32:0e4f2ae512e2 237 /// the internal methods for reading BMP files.
WiredHome 32:0e4f2ae512e2 238 ///
WiredHome 76:c981284eb513 239 /// @param[in] colorPaletteArray is the handle to the color palette array to use.
WiredHome 76:c981284eb513 240 /// @param[in] index is the index into the color palette.
WiredHome 32:0e4f2ae512e2 241 /// @returns the color in color_t format.
WiredHome 32:0e4f2ae512e2 242 ///
WiredHome 73:f22a18707b5e 243 color_t RGBQuadToRGB16(RGBQUAD * colorPaletteArray, uint16_t index);
WiredHome 32:0e4f2ae512e2 244
WiredHome 41:2956a0a221e5 245 /// This method converts a 16-bit color value into a 24-bit RGB Quad.
WiredHome 41:2956a0a221e5 246 ///
WiredHome 76:c981284eb513 247 /// @param[in] c is the 16-bit color. @see color_t.
WiredHome 41:2956a0a221e5 248 /// @returns an RGBQUAD value. @see RGBQUAD
WiredHome 41:2956a0a221e5 249 ///
WiredHome 41:2956a0a221e5 250 RGBQUAD RGB16ToRGBQuad(color_t c);
WiredHome 41:2956a0a221e5 251
WiredHome 42:7cbdfd2bbfc5 252 /// This method attempts to render a specified graphics image file at
WiredHome 42:7cbdfd2bbfc5 253 /// the specified screen location.
WiredHome 42:7cbdfd2bbfc5 254 ///
WiredHome 42:7cbdfd2bbfc5 255 /// This supports several variants of the following file types:
WiredHome 42:7cbdfd2bbfc5 256 /// \li Bitmap file format,
WiredHome 42:7cbdfd2bbfc5 257 /// \li Icon file format.
WiredHome 42:7cbdfd2bbfc5 258 ///
WiredHome 42:7cbdfd2bbfc5 259 /// @note The specified image width and height, when adjusted for the
WiredHome 42:7cbdfd2bbfc5 260 /// x and y origin, must fit on the screen, or the image will not
WiredHome 42:7cbdfd2bbfc5 261 /// be shown (it does not clip the image).
WiredHome 42:7cbdfd2bbfc5 262 ///
WiredHome 42:7cbdfd2bbfc5 263 /// @note The file extension is tested, and if it ends in a supported
WiredHome 42:7cbdfd2bbfc5 264 /// format, the appropriate handler is called to render that image.
WiredHome 42:7cbdfd2bbfc5 265 ///
WiredHome 76:c981284eb513 266 /// @param[in] x is the horizontal pixel coordinate
WiredHome 76:c981284eb513 267 /// @param[in] y is the vertical pixel coordinate
WiredHome 76:c981284eb513 268 /// @param[in] FileName refers to the fully qualified path and file on
WiredHome 42:7cbdfd2bbfc5 269 /// a mounted file system.
WiredHome 42:7cbdfd2bbfc5 270 /// @returns success or error code.
WiredHome 42:7cbdfd2bbfc5 271 ///
WiredHome 42:7cbdfd2bbfc5 272 RetCode_t RenderImageFile(loc_t x, loc_t y, const char *FileName);
WiredHome 42:7cbdfd2bbfc5 273
WiredHome 31:c72e12cd5c67 274 /// This method reads a disk file that is in bitmap format and
WiredHome 31:c72e12cd5c67 275 /// puts it on the screen.
WiredHome 31:c72e12cd5c67 276 ///
WiredHome 36:300f6ee0b2cf 277 /// Supported formats:
WiredHome 36:300f6ee0b2cf 278 /// \li 4-bit color format (16 colors)
WiredHome 36:300f6ee0b2cf 279 /// \li 8-bit color format (256 colors)
WiredHome 36:300f6ee0b2cf 280 /// \li 16-bit color format (65k colors)
WiredHome 36:300f6ee0b2cf 281 /// \li compression: no.
WiredHome 36:300f6ee0b2cf 282 ///
WiredHome 36:300f6ee0b2cf 283 /// @note This is a slow operation, typically due to the use of
WiredHome 36:300f6ee0b2cf 284 /// the file system, and partially because bmp files
WiredHome 31:c72e12cd5c67 285 /// are stored from the bottom up, and the memory is written
WiredHome 32:0e4f2ae512e2 286 /// from the top down; as a result, it constantly 'seeks'
WiredHome 32:0e4f2ae512e2 287 /// on the file system for the next row of information.
WiredHome 31:c72e12cd5c67 288 ///
WiredHome 34:c99ec28fac66 289 /// As a performance test, a sample picture was timed. A family picture
WiredHome 34:c99ec28fac66 290 /// was converted to Bitmap format; shrunk to 352 x 272 pixels and save
WiredHome 34:c99ec28fac66 291 /// in 8-bit color format. The resulting file size was 94.5 KByte.
WiredHome 34:c99ec28fac66 292 /// The SPI port interface was set to 20 MHz.
WiredHome 34:c99ec28fac66 293 /// The original bitmap rendering software was purely in software,
WiredHome 34:c99ec28fac66 294 /// pushing 1 pixel at a time to the write function, which did use SPI
WiredHome 34:c99ec28fac66 295 /// hardware (not pin wiggling) to transfer commands and data to the
WiredHome 34:c99ec28fac66 296 /// display. Then, the driver was improved to leverage the capability
WiredHome 34:c99ec28fac66 297 /// of the derived display driver. As a final check, instead of the
WiredHome 34:c99ec28fac66 298 /// [known slow] local file system, a randomly chosen USB stick was
WiredHome 34:c99ec28fac66 299 /// used. The performance results are impressive (but depend on the
WiredHome 34:c99ec28fac66 300 /// listed factors).
WiredHome 34:c99ec28fac66 301 ///
WiredHome 35:7dcab9e3ab25 302 /// \li 34 seconds, LocalFileSystem, Software Rendering
WiredHome 35:7dcab9e3ab25 303 /// \li 9 seconds, LocalFileSystem, Hardware Rending for RA8875
WiredHome 35:7dcab9e3ab25 304 /// \li 3 seconds, MSCFileSystem, Hardware Rendering for RA8875
WiredHome 34:c99ec28fac66 305 ///
WiredHome 76:c981284eb513 306 /// @param[in] x is the horizontal pixel coordinate
WiredHome 76:c981284eb513 307 /// @param[in] y is the vertical pixel coordinate
WiredHome 76:c981284eb513 308 /// @param[in] Name_BMP is the filename on the mounted file system.
WiredHome 31:c72e12cd5c67 309 /// @returns success or error code.
WiredHome 31:c72e12cd5c67 310 ///
WiredHome 37:f19b7e7449dc 311 RetCode_t RenderBitmapFile(loc_t x, loc_t y, const char *Name_BMP);
WiredHome 31:c72e12cd5c67 312
WiredHome 42:7cbdfd2bbfc5 313
WiredHome 42:7cbdfd2bbfc5 314 /// This method reads a disk file that is in ico format and
WiredHome 42:7cbdfd2bbfc5 315 /// puts it on the screen.
WiredHome 42:7cbdfd2bbfc5 316 ///
WiredHome 42:7cbdfd2bbfc5 317 /// Reading the disk is slow, but a typical icon file is small
WiredHome 42:7cbdfd2bbfc5 318 /// so it should be ok.
WiredHome 42:7cbdfd2bbfc5 319 ///
WiredHome 42:7cbdfd2bbfc5 320 /// @note An Icon file can have more than one icon in it. This
WiredHome 42:7cbdfd2bbfc5 321 /// implementation only processes the first image in the file.
WiredHome 42:7cbdfd2bbfc5 322 ///
WiredHome 76:c981284eb513 323 /// @param[in] x is the horizontal pixel coordinate
WiredHome 76:c981284eb513 324 /// @param[in] y is the vertical pixel coordinate
WiredHome 76:c981284eb513 325 /// @param[in] Name_ICO is the filename on the mounted file system.
WiredHome 42:7cbdfd2bbfc5 326 /// @returns success or error code.
WiredHome 42:7cbdfd2bbfc5 327 ///
WiredHome 42:7cbdfd2bbfc5 328 RetCode_t RenderIconFile(loc_t x, loc_t y, const char *Name_ICO);
WiredHome 42:7cbdfd2bbfc5 329
WiredHome 42:7cbdfd2bbfc5 330
WiredHome 29:422616aa04bd 331 /// prints one character at the specified coordinates.
WiredHome 29:422616aa04bd 332 ///
WiredHome 29:422616aa04bd 333 /// This will print the character at the specified pixel coordinates.
WiredHome 29:422616aa04bd 334 ///
WiredHome 76:c981284eb513 335 /// @param[in] x is the horizontal offset in pixels.
WiredHome 76:c981284eb513 336 /// @param[in] y is the vertical offset in pixels.
WiredHome 76:c981284eb513 337 /// @param[in] value is the character to print.
WiredHome 29:422616aa04bd 338 /// @returns number of pixels to index to the right if a character was printed, 0 otherwise.
WiredHome 29:422616aa04bd 339 ///
WiredHome 29:422616aa04bd 340 virtual int character(int x, int y, int value);
WiredHome 29:422616aa04bd 341
WiredHome 32:0e4f2ae512e2 342 /// get the number of colums based on the currently active font
WiredHome 32:0e4f2ae512e2 343 ///
WiredHome 32:0e4f2ae512e2 344 /// @returns number of columns.
WiredHome 32:0e4f2ae512e2 345 ///
WiredHome 32:0e4f2ae512e2 346 virtual int columns(void);
WiredHome 32:0e4f2ae512e2 347
WiredHome 32:0e4f2ae512e2 348 /// get the number of rows based on the currently active font
WiredHome 32:0e4f2ae512e2 349 ///
WiredHome 32:0e4f2ae512e2 350 /// @returns number of rows.
WiredHome 32:0e4f2ae512e2 351 ///
WiredHome 32:0e4f2ae512e2 352 virtual int rows(void);
WiredHome 32:0e4f2ae512e2 353
WiredHome 98:ecebed9b80b2 354 /// Select a User Font for all subsequent text.
WiredHome 98:ecebed9b80b2 355 ///
WiredHome 98:ecebed9b80b2 356 /// @note Tool to create the fonts is accessible from its creator
WiredHome 98:ecebed9b80b2 357 /// available at http://www.mikroe.com.
WiredHome 98:ecebed9b80b2 358 /// For version 1.2.0.0, choose the "Export for TFT and new GLCD"
WiredHome 98:ecebed9b80b2 359 /// format.
WiredHome 98:ecebed9b80b2 360 ///
WiredHome 98:ecebed9b80b2 361 /// @param[in] font is a pointer to a specially formed font resource.
WiredHome 98:ecebed9b80b2 362 /// @returns error code.
WiredHome 98:ecebed9b80b2 363 ///
WiredHome 98:ecebed9b80b2 364 virtual RetCode_t SelectUserFont(const uint8_t * font = NULL);
WiredHome 98:ecebed9b80b2 365
WiredHome 32:0e4f2ae512e2 366
WiredHome 32:0e4f2ae512e2 367 protected:
WiredHome 32:0e4f2ae512e2 368
WiredHome 32:0e4f2ae512e2 369 /// Pure virtual method indicating the start of a graphics stream.
WiredHome 32:0e4f2ae512e2 370 ///
WiredHome 32:0e4f2ae512e2 371 /// This is called prior to a stream of pixel data being sent.
WiredHome 32:0e4f2ae512e2 372 /// This may cause register configuration changes in the derived
WiredHome 32:0e4f2ae512e2 373 /// class in order to prepare the hardware to accept the streaming
WiredHome 32:0e4f2ae512e2 374 /// data.
WiredHome 32:0e4f2ae512e2 375 ///
WiredHome 32:0e4f2ae512e2 376 /// @note this method must be supported in the derived class.
WiredHome 32:0e4f2ae512e2 377 ///
WiredHome 32:0e4f2ae512e2 378 /// @returns error code.
WiredHome 32:0e4f2ae512e2 379 ///
WiredHome 32:0e4f2ae512e2 380 virtual RetCode_t _StartGraphicsStream(void) = 0;
dreschpe 0:de9d1462a835 381
WiredHome 32:0e4f2ae512e2 382 /// Pure virtual method indicating the end of a graphics stream.
WiredHome 32:0e4f2ae512e2 383 ///
WiredHome 32:0e4f2ae512e2 384 /// This is called to conclude a stream of pixel data that was sent.
WiredHome 32:0e4f2ae512e2 385 /// This may cause register configuration changes in the derived
WiredHome 32:0e4f2ae512e2 386 /// class in order to stop the hardware from accept the streaming
WiredHome 32:0e4f2ae512e2 387 /// data.
WiredHome 32:0e4f2ae512e2 388 ///
WiredHome 32:0e4f2ae512e2 389 /// @note this method must be supported in the derived class.
WiredHome 32:0e4f2ae512e2 390 ///
WiredHome 32:0e4f2ae512e2 391 /// @returns error code.
WiredHome 32:0e4f2ae512e2 392 ///
WiredHome 32:0e4f2ae512e2 393 virtual RetCode_t _EndGraphicsStream(void) = 0;
WiredHome 32:0e4f2ae512e2 394
WiredHome 42:7cbdfd2bbfc5 395 /// Protected method to render an image given a file handle and
WiredHome 42:7cbdfd2bbfc5 396 /// coordinates.
WiredHome 42:7cbdfd2bbfc5 397 ///
WiredHome 76:c981284eb513 398 /// @param[in] x is the horizontal pixel coordinate
WiredHome 76:c981284eb513 399 /// @param[in] y is the vertical pixel coordinate
WiredHome 76:c981284eb513 400 /// @param[in] w is the image width restriction, or zero to permit full image width.
WiredHome 76:c981284eb513 401 /// @param[in] h is the image height restriction, or zero to permit full image height.
WiredHome 76:c981284eb513 402 /// @param[in] fileOffset is the offset into the file where the image data starts
WiredHome 76:c981284eb513 403 /// @param[in] Image is the filename stream already opened for the data.
WiredHome 42:7cbdfd2bbfc5 404 /// @returns success or error code.
WiredHome 42:7cbdfd2bbfc5 405 ///
WiredHome 42:7cbdfd2bbfc5 406 RetCode_t _RenderBitmap(loc_t x, loc_t y, uint32_t fileOffset, FILE * Image);
WiredHome 42:7cbdfd2bbfc5 407
WiredHome 109:7b94f06f085b 408 /// Pure virtual method to write a boolean stream to the display.
WiredHome 109:7b94f06f085b 409 ///
WiredHome 109:7b94f06f085b 410 /// This takes a bit stream in memory and using the current color settings
WiredHome 109:7b94f06f085b 411 /// it will stream it to the display. Along the way, each bit is translated
WiredHome 109:7b94f06f085b 412 /// to either the foreground or background color value and then that pixel
WiredHome 109:7b94f06f085b 413 /// is pushed onward.
WiredHome 109:7b94f06f085b 414 ///
WiredHome 109:7b94f06f085b 415 /// This is similar, but different, to the @ref pixelStream API, which is
WiredHome 109:7b94f06f085b 416 /// given a stream of color values.
WiredHome 109:7b94f06f085b 417 ///
WiredHome 109:7b94f06f085b 418 /// @param[in] x is the horizontal position on the display.
WiredHome 109:7b94f06f085b 419 /// @param[in] y is the vertical position on the display.
WiredHome 109:7b94f06f085b 420 /// @param[in] w is the width of the rectangular region to fill.
WiredHome 109:7b94f06f085b 421 /// @param[in] h is the height of the rectangular region to fill.
WiredHome 109:7b94f06f085b 422 /// @param[in] boolStream is the inline memory image from which to extract
WiredHome 109:7b94f06f085b 423 /// the bitstream.
WiredHome 109:7b94f06f085b 424 /// @returns success/failure code. See @ref RetCode_t.
WiredHome 109:7b94f06f085b 425 ///
WiredHome 109:7b94f06f085b 426 virtual RetCode_t booleanStream(loc_t x, loc_t y, dim_t w, dim_t h, const uint8_t * boolStream) = 0;
WiredHome 109:7b94f06f085b 427
WiredHome 109:7b94f06f085b 428
WiredHome 29:422616aa04bd 429 const unsigned char * font; ///< reference to an external font somewhere in memory
WiredHome 29:422616aa04bd 430
dreschpe 0:de9d1462a835 431 // pixel location
dreschpe 0:de9d1462a835 432 short _x;
dreschpe 0:de9d1462a835 433 short _y;
dreschpe 0:de9d1462a835 434
dreschpe 0:de9d1462a835 435 // window location
dreschpe 0:de9d1462a835 436 short _x1;
dreschpe 0:de9d1462a835 437 short _x2;
dreschpe 0:de9d1462a835 438 short _y1;
dreschpe 0:de9d1462a835 439 short _y2;
dreschpe 0:de9d1462a835 440 };
dreschpe 0:de9d1462a835 441
dreschpe 0:de9d1462a835 442 #endif
WiredHome 33:b6b710758ab3 443