Restructured losungepaper.ino
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123
display.ino
Normal file
123
display.ino
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String pad(String text, int pad_length, char pad_letter) {
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if(text.length() >= pad_length) return text; // if theres nothing to fill, return the text unmodified
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for(int i = 0; text.length()<pad_length; i++) text += pad_letter; // fill with pad_letter until the text is as long as padlength specifies
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return text;
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}
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String pad(String text, int pad_length) { return pad(text, pad_length, ' '); } // just a fallback for pad_letter
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/* Tell how many rows of text will be needed at given font-width and box-width for the text given */
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int getMaxRows(String text, int width, int letter_width) {
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int lettersPerRow = width / letter_width;
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float maxRows = float(text.length())/float(lettersPerRow);
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int maxRowsFloor = text.length()/lettersPerRow;
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if(maxRows>maxRowsFloor) maxRows = maxRowsFloor+1.0; // if maxRows is e.g. 5.2, write the next-bigger integer into maxRows
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return maxRows;
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}
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/* text_of_row_x tells which row shall be given, 0 for first row */
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String getRow(String text, int width, int letter_width, int text_of_row_x) { // width should be a multiple of letter_width to fit perfect
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// calculate needed vars
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int lettersPerRow = width / letter_width;
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int maxRows = getMaxRows(text, width, letter_width);
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text = pad(text, maxRows*lettersPerRow, ' ');
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// some tests
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if(text_of_row_x > maxRows) return String();
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if(text_of_row_x < 0) return String();
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return text.substring(lettersPerRow*text_of_row_x, lettersPerRow*(text_of_row_x+1));
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}
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// remove special characters (ä,ö,ü,ß)
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String removeSpecialChars(String text) {
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text.replace("ä", "ae");
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text.replace("Ä", "AE");
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text.replace("ö", "oe");
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text.replace("Ö", "OE");
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text.replace("ü", "ue");
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text.replace("Ü", "UE");
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text.replace("ß", "ss");
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text.replace("ẞ", "SS");
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return text;
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}
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// show the daily text on the epd
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void showDailyText(String losung, String lehrtext, String losungPosition, String lehrtextPosition) {
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// clean the strings for
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losung = removeSpecialChars(losung);
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lehrtext = removeSpecialChars(lehrtext);
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Serial.println(lehrtext);
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// position vars
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int text_x = 0;
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int text_y = 0;
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/* This clears the SRAM of the e-paper display and displays it */
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epd.ClearFrame();
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epd.DisplayFrame();
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// now the drawing init
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unsigned char image[2048];
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Paint paint(image, 176, TITLE_FONT.Height+2); // width should be the multiple of 8
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// display title
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paint.Clear(UNCOLORED);
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int startTitleAtX = round((paint.GetWidth()-strlen(TITLE_TEXT)*TITLE_FONT.Width)/2);
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paint.DrawStringAt(startTitleAtX, 2, TITLE_TEXT, &TITLE_FONT, COLORED);
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paint.DrawHorizontalLine(startTitleAtX+15, TITLE_FONT.Height+1, paint.GetWidth()-(startTitleAtX+15)*2, COLORED);
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epd.TransmitPartialData(paint.GetImage(), text_x, text_y, paint.GetWidth(), paint.GetHeight());
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text_y += TITLE_FONT.Height+2;
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// Losung
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paint.SetWidth(TEXT_WIDTH);
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paint.SetHeight(TEXT_FONT.Height);
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text_y += TEXT_PADDING_TOP;
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for(int row = 0; row<getMaxRows(losung, TEXT_WIDTH, TEXT_FONT.Width); row++) {
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String text_of_row = getRow(losung, TEXT_WIDTH, TEXT_FONT.Width, row);
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paint.Clear(COLORED);
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paint.DrawStringAt(0, 0, text_of_row.c_str(), &TEXT_FONT, UNCOLORED);
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epd.TransmitPartialData(paint.GetImage(), EPD_WIDTH-TEXT_WIDTH, text_y, paint.GetWidth(), paint.GetHeight());
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text_y += paint.GetHeight();
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text_y += TEXT_PADDING_BETWEEN_LINES;
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}
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// Losung bible position
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paint.SetWidth(losungPosition.length()*SOURCE_FONT.Width);
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paint.SetHeight(SOURCE_FONT.Height);
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paint.Clear(UNCOLORED);
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paint.DrawStringAt(0, 0, losungPosition.c_str(), &SOURCE_FONT, COLORED);
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epd.TransmitPartialData(paint.GetImage(), EPD_WIDTH-losungPosition.length()*SOURCE_FONT.Width, text_y, paint.GetWidth(), paint.GetHeight());
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// Lehrtext
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paint.SetWidth(TEXT_WIDTH); // text block width
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paint.SetHeight(TEXT_FONT.Height);
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text_y += TEXT_PADDING_BETWEEN_BLOCKS; // some space between "losung" block
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for(int row = 0; row<getMaxRows(lehrtext, TEXT_WIDTH, TEXT_FONT.Width); row++) {
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String text_of_row = getRow(lehrtext, TEXT_WIDTH, TEXT_FONT.Width, row);
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paint.Clear(UNCOLORED);
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paint.DrawStringAt(0, 0, text_of_row.c_str(), &TEXT_FONT, COLORED);
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epd.TransmitPartialData(paint.GetImage(), 0, text_y, paint.GetWidth(), paint.GetHeight());
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text_y += paint.GetHeight();
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text_y += TEXT_PADDING_BETWEEN_LINES;
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}
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// Lehrtext bible position
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paint.SetWidth(lehrtextPosition.length()*SOURCE_FONT.Width);
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paint.SetHeight(SOURCE_FONT.Height);
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paint.Clear(COLORED);
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paint.DrawStringAt(0, 0, lehrtextPosition.c_str(), &SOURCE_FONT, UNCOLORED);
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epd.TransmitPartialData(paint.GetImage(), 5, text_y, paint.GetWidth(), paint.GetHeight());
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// display the whole sent data
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epd.DisplayFrame();
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}
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126
losungepaper.ino
126
losungepaper.ino
@@ -17,132 +17,6 @@ int TEXT_PADDING_BETWEEN_BLOCKS = 20; // pixels between the lines
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int TEXT_PADDING_BETWEEN_LINES = 1; // pixels between the lines
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sFONT SOURCE_FONT = Font8; // for the position in bible
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String pad(String text, int pad_length, char pad_letter) {
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if(text.length() >= pad_length) return text; // if theres nothing to fill, return the text unmodified
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for(int i = 0; text.length()<pad_length; i++) text += pad_letter; // fill with pad_letter until the text is as long as padlength specifies
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return text;
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}
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String pad(String text, int pad_length) { return pad(text, pad_length, ' '); } // just a fallback for pad_letter
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/* Tell how many rows of text will be needed at given font-width and box-width for the text given */
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int getMaxRows(String text, int width, int letter_width) {
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int lettersPerRow = width / letter_width;
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float maxRows = float(text.length())/float(lettersPerRow);
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int maxRowsFloor = text.length()/lettersPerRow;
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if(maxRows>maxRowsFloor) maxRows = maxRowsFloor+1.0; // if maxRows is e.g. 5.2, write the next-bigger integer into maxRows
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return maxRows;
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}
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/* text_of_row_x tells which row shall be given, 0 for first row */
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String getRow(String text, int width, int letter_width, int text_of_row_x) { // width should be a multiple of letter_width to fit perfect
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// calculate needed vars
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int lettersPerRow = width / letter_width;
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int maxRows = getMaxRows(text, width, letter_width);
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text = pad(text, maxRows*lettersPerRow, ' ');
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// some tests
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if(text_of_row_x > maxRows) return String();
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if(text_of_row_x < 0) return String();
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return text.substring(lettersPerRow*text_of_row_x, lettersPerRow*(text_of_row_x+1));
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}
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// remove special characters (ä,ö,ü,ß)
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String removeSpecialChars(String text) {
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text.replace("ä", "ae");
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text.replace("Ä", "AE");
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text.replace("ö", "oe");
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text.replace("Ö", "OE");
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text.replace("ü", "ue");
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text.replace("Ü", "UE");
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text.replace("ß", "ss");
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text.replace("ẞ", "SS");
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return text;
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}
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// show the daily text on the epd
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void showDailyText(String losung, String lehrtext, String losungPosition, String lehrtextPosition) {
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// clean the strings for
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losung = removeSpecialChars(losung);
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lehrtext = removeSpecialChars(lehrtext);
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Serial.println(lehrtext);
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// position vars
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int text_x = 0;
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int text_y = 0;
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/* This clears the SRAM of the e-paper display and displays it */
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epd.ClearFrame();
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epd.DisplayFrame();
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// now the drawing init
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unsigned char image[2048];
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Paint paint(image, 176, TITLE_FONT.Height+2); // width should be the multiple of 8
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// display title
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paint.Clear(UNCOLORED);
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int startTitleAtX = round((paint.GetWidth()-strlen(TITLE_TEXT)*TITLE_FONT.Width)/2);
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paint.DrawStringAt(startTitleAtX, 2, TITLE_TEXT, &TITLE_FONT, COLORED);
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paint.DrawHorizontalLine(startTitleAtX+15, TITLE_FONT.Height+1, paint.GetWidth()-(startTitleAtX+15)*2, COLORED);
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epd.TransmitPartialData(paint.GetImage(), text_x, text_y, paint.GetWidth(), paint.GetHeight());
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text_y += TITLE_FONT.Height+2;
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// Losung
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paint.SetWidth(TEXT_WIDTH);
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paint.SetHeight(TEXT_FONT.Height);
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text_y += TEXT_PADDING_TOP;
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for(int row = 0; row<getMaxRows(losung, TEXT_WIDTH, TEXT_FONT.Width); row++) {
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String text_of_row = getRow(losung, TEXT_WIDTH, TEXT_FONT.Width, row);
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paint.Clear(COLORED);
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paint.DrawStringAt(0, 0, text_of_row.c_str(), &TEXT_FONT, UNCOLORED);
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epd.TransmitPartialData(paint.GetImage(), EPD_WIDTH-TEXT_WIDTH, text_y, paint.GetWidth(), paint.GetHeight());
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text_y += paint.GetHeight();
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text_y += TEXT_PADDING_BETWEEN_LINES;
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}
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// Losung bible position
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paint.SetWidth(losungPosition.length()*SOURCE_FONT.Width);
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paint.SetHeight(SOURCE_FONT.Height);
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paint.Clear(UNCOLORED);
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paint.DrawStringAt(0, 0, losungPosition.c_str(), &SOURCE_FONT, COLORED);
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epd.TransmitPartialData(paint.GetImage(), EPD_WIDTH-losungPosition.length()*SOURCE_FONT.Width, text_y, paint.GetWidth(), paint.GetHeight());
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// Lehrtext
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paint.SetWidth(TEXT_WIDTH); // text block width
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paint.SetHeight(TEXT_FONT.Height);
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text_y += TEXT_PADDING_BETWEEN_BLOCKS; // some space between "losung" block
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for(int row = 0; row<getMaxRows(lehrtext, TEXT_WIDTH, TEXT_FONT.Width); row++) {
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String text_of_row = getRow(lehrtext, TEXT_WIDTH, TEXT_FONT.Width, row);
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paint.Clear(UNCOLORED);
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paint.DrawStringAt(0, 0, text_of_row.c_str(), &TEXT_FONT, COLORED);
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epd.TransmitPartialData(paint.GetImage(), 0, text_y, paint.GetWidth(), paint.GetHeight());
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text_y += paint.GetHeight();
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text_y += TEXT_PADDING_BETWEEN_LINES;
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}
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// Lehrtext bible position
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paint.SetWidth(lehrtextPosition.length()*SOURCE_FONT.Width);
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paint.SetHeight(SOURCE_FONT.Height);
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paint.Clear(COLORED);
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paint.DrawStringAt(0, 0, lehrtextPosition.c_str(), &SOURCE_FONT, UNCOLORED);
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epd.TransmitPartialData(paint.GetImage(), 5, text_y, paint.GetWidth(), paint.GetHeight());
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// display the whole sent data
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epd.DisplayFrame();
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}
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void setup() {
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// put your setup code here, to run once:
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Serial.begin(115200);
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