129 lines
4.0 KiB
Plaintext
129 lines
4.0 KiB
Plaintext
/**
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* A library of functions for displaying graphics on the screen.
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* The connected LCD physical screen consists of 320 rows (indexed 0..319, top to bottom)
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* of 240 pixels each (indexed 0..239, left to right). The top left pixel on
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* the screen is indexed (0,0). Every pixel can be set to a 16 bit color code composed of
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* RGB parts of 5 bit red, 6 bit green and 5 bit blue: rrrrrggggggbbbbb.
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*/
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class Screen {
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/** Initializes the Screen. */
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function void init(int addr){
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}
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/** Erases the entire screen. */
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function void clearScreen(){
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}
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/** Sets the current pen color, to be used for all subsequent drawXXX
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* commands. Colors are represented by 16 bit RGB values with
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* binary representation: rrrrrggggggbbbbb */
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function void setPenColor(int color){
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}
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/** Sets the current back ground color, to be used for clearScreen()
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* and drawBitMap() commands.
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* Colors are represented by 16 bit RGB values: rrrrrggggggbbbbb */
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function void setBackColor(int color){
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}
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/** Draws the (x,y) pixel, using the current pen color. */
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function void drawPixel(int x,int y){
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}
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/** Draws a line from pixel (x1,y1) to pixel (x2,y2), using the current
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* pen color. */
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function void drawLine(int x1,int y1,int x2,int y2){
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}
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/** Draws a filled rectangle whose top left corner is (x1, y1)
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* and bottom right corner is (x2,y2), using the current pen color. */
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function void drawRectangle(int x1, int y1, int x2, int y2){
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}
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/** Draws a filled circle of radius r<=181 around (x,y), using the
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* current pen color. */
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function void drawCircle(int x, int y, int r){
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}
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/** sets the Window to a rectangle with upper left corner (x1,y1)
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* and lower right corner (x2,y2). The next w*h calls to
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* writeData16(int color) will paint the w*h pixels in the rectangle
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* in the corresponding color.*/
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function void setWindow(int x1, int y1, int x2, int y2){
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}
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/** sets the rgb color for the next pixel in the rectangle set by
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* setWindow(int x1, int y1, int x2, int y2).*/
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function void writeData16(int color){
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}
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/** writes 8 bit data to LCD with DCX wire set to high. */
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function void writeData(int data){
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}
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/** writes the 8 bit command with DCX wire set to low */
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function void writeCommand(int command){
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}
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/** draws the BitMap into the rectangle with upper left corner (x1,y1)
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* and lower right corner (x2,y2) using the pen color for all 1s and the
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* back color for all 0s in the BitMap. BitMap is an Array of h integers
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* representing up to 16 pixel in the row. The rectangle is limited
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* to maximal 16 pixels in width.*/
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function void drawBitMap(int x1, int y1, int x2, int y2, Array map){
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}
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/** RGB values for various colors. */
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function int BLACK(){
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}
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function int NAVY(){
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return 30; //00000 000000 11110
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}
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function int BLUE(){
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return 31; //00000 000000 11111
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}
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function int LIME(){
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return 2016; //00000 111111 00000
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}
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function int GREEN(){
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return 1920; //00000 111100 00000
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}
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function int CYAN(){
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return 2047; //00000 111111 11111
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}
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function int MAROON(){
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return -4096; //11110 000000 00000
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}
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function int PURPLE(){
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return -4066; //11110 000000 11110
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}
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function int OLIVE(){
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return -2176; //11110 111100 00000
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}
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function int DARKGREY(){
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return -14824; //11000 110000 11000
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}
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function int TEAL(){
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return 1950; //00000 111000 11100
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}
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function int LIGHTGREY(){
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return -6372; //11100 111000 11100
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}
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function int RED(){
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return -2048; //11111 000000 00000
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}
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function int MAGENTA(){
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return -2017; //11111 000000 11111
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}
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function int YELLOW(){
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return -32; //11111 111111 00000
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}
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function int ORANGE(){
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return -128; //11111 111000 00000
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}
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function int WHITE(){
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return -1; //11111 111111 11111
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}
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}
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