void drawLineF(int x0, int x1, int y0, int y1, u16 color) {
#ifdef _DEBUG
fprintf(debug, "drawLineF(x0=//d, x1=//d, y0=//d, y1=//d, color=//X)\n",
x0, x1, y0, y1, color);
#endif
int dy = y1 - y0;
int dx = x1 - x0;
int stepx, stepy;
int fraction;
if (dy < 0) { dy = -dy; stepy = -1; } else { stepy = 1; }
if (dx < 0) { dx = -dx; stepx = -1; } else { stepx = 1; }
dy <<= 1; /* dy is now 2*dy */
dx <<= 1; /* dx is now 2*dx */
setPixel3(y0, x0, color);
if (dx > dy) {
fraction = dy - (dx >> 1); /* same as 2*dy - dx */
while (x0 != x1) {
if (fraction >= 0) {
y0 += stepy;
fraction -= dx; /* same as fraction -= 2*dx */
}
x0 += stepx;
fraction += dy; /* same as fraction -= 2*dy */
setPixel3(y0, x0, color);
}
} else {
//Draws a character
void drawChar3(int r, int c, char chr, u16 fg_color, u16 bg_color) {
for (int i = 0; i < TEXT_WIDTH; i++) {
for (int j = 0; j < TEXT_HEIGHT; j++) {
if (!get_bit(fontdata[OFFSET(chr, i, TEXT_WIDTH)], TEXT_HEIGHT-j-1)) {
setPixel3(j+r, i+c, bg_color);
} else {
setPixel3(j+r, i+c, fg_color);
}
}
}
}
//Draws a hollow rectangle
void drawHollowRect3(int r, int c, int width, int height, u16 color) {
//Draw the top and bottom of the rectangle
for (int j = 0; j < width; j++) {
setPixel3(r, j, color);
setPixel3(r+height-1, j, color);
}
//Draw the sides
for (int i = 1; i < height-1; i++) {
setPixel3(i, c, color);
setPixel3(i, c+width-1, color);
}
}
//Draws a filled rectangle
void drawRect3(int r, int c, int width, int height, u16 color) {
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
setPixel3(i+r, j+c, color);
}
}
}
//Draws an image array
void drawImage3(int r, int c, int width, int height, const u16* img) {
int img_ndx = 0;
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
setPixel3(i+r, j+c, img[img_ndx++]);
}
}
}
//Draws an image array slowly
void drawImageDelayed3(int r, int c, int width, int height, const u16* img, int delay) {
int img_ndx = 0;
volatile int k;
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
setPixel3(i+r, j+c, img[img_ndx++]);
for (k = 0; k < 250*delay; k++);
}
}
}
void drawChar3(int row, int col, char ch, unsigned short color)
{
int r, c;
for(r=0; r<8; r++)
{
for(c=0; c<6; c++)
{
if(fontdata_6x8[ch*6*8+r*6+c])
{
setPixel3(row+r, col+c, color);
}
}
}
}
