84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
#include "mainwindow.h"
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extern "C" {
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#include "ll_tft.h"
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}
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MainWindow* mainwindow;
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bool ll_tft_init() {
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mainwindow = new MainWindow(); //create the designed window
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mainwindow->show(); //open it (non blocking)
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return true;
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}
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//the following functions redirect the call to the mainwindow, to a function with the same signature
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void ll_tft_draw_line(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color) {
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mainwindow->draw_line(x1,y1,x2,y2,color);
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}
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void ll_tft_clear(uint16_t color) {
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mainwindow->clear(color);
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}
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void ll_tft_draw_pixel(uint16_t x,uint16_t y,uint16_t color) {
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mainwindow->draw_pixel(x,y,color);
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}
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void ll_tft_draw_rectangle(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2, uint16_t color) {
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mainwindow->draw_rectangle(x1,y1,x2,y2,color);
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}
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void ll_tft_fill_rectangle(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2, uint16_t color) {
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mainwindow->fill_rectangle(x1,y1,x2,y2,color);
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}
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void ll_tft_draw_bitmap_unscaled(uint16_t x, uint16_t y, uint16_t width, uint16_t height, const uint16_t* dat) {
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mainwindow->draw_bitmap_unscaled(x,y,width,height,dat);
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}
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void ll_tft_draw_circle(uint16_t x, uint16_t y, uint16_t r, uint16_t color) {
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mainwindow->draw_circle(x,y,r,color);
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}
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uint8_t ll_tft_num_fonts() {
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return 2; //we have two fonts (see below)
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}
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//Helper function to get the QFont to the corresponding font number
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//Note: only return monospaced fonts!!!
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QFont get_font(uint8_t fontnum) {
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switch(fontnum) {
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case 0:
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return QFont("Courier New",8);
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case 1:
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return QFont("Courier New",14);
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default:
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return QFont();
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}
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}
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uint8_t ll_tft_font_height(uint8_t fontnum) {
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QFont f = get_font(fontnum);
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if(f == QFont()) return -1;
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QFontMetrics m(f); //use font metcris object to calculate height of font
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return m.height();
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}
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uint8_t ll_tft_font_width(uint8_t fontnum) {
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QFont f = get_font(fontnum);
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if(f == QFont()) return -1;
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QFontMetrics m(f); //use font metcris object to calculate width of font
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return m.averageCharWidth();
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}
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void ll_tft_draw_char(uint16_t x, uint16_t y, uint16_t color, uint16_t bgcolor, uint8_t font, char c) {
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QFont f = get_font(font);
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if(f == QFont()) return; //if the font is the default-font, we want to abort.
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mainwindow->draw_char(x,y,color,bgcolor,f,c);
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}
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