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Improved Comments in whole emulator. Finalized emulator section in docu.

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This commit is contained in:
t-moe
2015-06-07 15:29:46 +02:00
parent 3e4fbab00a
commit 4b5768cedc
8 changed files with 131 additions and 146 deletions
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18
emulator/qt/ll_tft.cpp
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@@ -1,5 +1,4 @@
#include "mainwindow.h"
#include <QDebug>
extern "C" {
#include "ll_tft.h"
@@ -8,13 +7,14 @@ extern "C" {
MainWindow* mainwindow;
bool ll_tft_init() {
qDebug() << "tft init done";
mainwindow = new MainWindow();
mainwindow->show();
mainwindow = new MainWindow(); //create the designed window
mainwindow->show(); //open it (non blocking)
return true;
}
//the following functions redirect the call to the mainwindow, to a function with the same signature
void ll_tft_draw_line(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2, uint16_t color) {
mainwindow->draw_line(x1,y1,x2,y2,color);
}
@@ -44,9 +44,11 @@ void ll_tft_draw_circle(uint16_t x, uint16_t y, uint16_t r, uint16_t color) {
}
uint8_t ll_tft_num_fonts() {
return 2;
return 2; //we have two fonts (see below)
}
//Helper function to get the QFont to the corresponding font number
//Note: only return monospaced fonts!!!
QFont get_font(uint8_t fontnum) {
switch(fontnum) {
case 0:
@@ -62,20 +64,20 @@ QFont get_font(uint8_t fontnum) {
uint8_t ll_tft_font_height(uint8_t fontnum) {
QFont f = get_font(fontnum);
if(f == QFont()) return -1;
QFontMetrics m(f);
QFontMetrics m(f); //use font metcris object to calculate height of font
return m.height();
}
uint8_t ll_tft_font_width(uint8_t fontnum) {
QFont f = get_font(fontnum);
if(f == QFont()) return -1;
QFontMetrics m(f);
QFontMetrics m(f); //use font metcris object to calculate width of font
return m.averageCharWidth();
}
void ll_tft_draw_char(uint16_t x, uint16_t y, uint16_t color, uint16_t bgcolor, uint8_t font, char c) {
QFont f = get_font(font);
if(f == QFont()) return;
if(f == QFont()) return; //if the font is the default-font, we want to abort.
mainwindow->draw_char(x,y,color,bgcolor,f,c);
}