void gdispDrawPoly(coord_t tx, coord_t ty, const point *pntarray, unsigned cnt, color_t color) {
const point *epnt, *p;
epnt = &pntarray[cnt-1];
for(p = pntarray; p < epnt; p++)
gdispDrawLine(tx+p->x, ty+p->y, tx+p[1].x, ty+p[1].y, color);
gdispDrawLine(tx+p->x, ty+p->y, tx+pntarray->x, ty+pntarray->y, color);
}
void gdispDrawRoundedBox(coord_t x, coord_t y, coord_t cx, coord_t cy, coord_t radius, color_t color) {
if (2*radius > cx || 2*radius > cy) {
gdispDrawBox(x, y, cx, cy, color);
return;
}
gdispDrawArc(x+radius, y+radius, radius, 90, 180, color);
gdispDrawLine(x+radius+1, y, x+cx-2-radius, y, color);
gdispDrawArc(x+cx-1-radius, y+radius, radius, 0, 90, color);
gdispDrawLine(x+cx-1, y+radius+1, x+cx-1, y+cy-2-radius, color);
gdispDrawArc(x+cx-1-radius, y+cy-1-radius, radius, 270, 360, color);
gdispDrawLine(x+radius+1, y+cy-1, x+cx-2-radius, y+cy-1, color);
gdispDrawArc(x+radius, y+cy-1-radius, radius, 180, 270, color);
gdispDrawLine(x, y+radius+1, x, y+cy-2-radius, color);
}
int main(void) {
coord_t width, height;
coord_t i, j;
halInit();
chSysInit();
/* Initialize and clear the display */
gdispInit();
gdispClear(Black);
// Get the screen size
width = gdispGetWidth();
height = gdispGetHeight();
// Code Here
gdispDrawBox(10, 10, width/2, height/2, Yellow);
gdispFillArea(width/2, height/2, width/2-10, height/2-10, Blue);
gdispDrawLine(5, 30, width-50, height-40, Red);
for(i = 5, j = 0; i < width && j < height; i += 7, j += i/20)
gdispDrawPixel (i, j, White);
while(TRUE) {
chThdSleepMilliseconds(500);
}
}
void gwinFrameDraw_Transparent(GWidgetObject *gw, void *param) {
const GColorSet *pcol;
coord_t pos;
color_t contrast;
color_t btn;
(void)param;
if (gw->g.vmt != (gwinVMT *)&frameVMT)
return;
pcol = (gw->g.flags & GWIN_FLG_SYSENABLED) ? &gw->pstyle->enabled : &gw->pstyle->disabled;
contrast = gdispContrastColor(pcol->edge);
btn = gdispBlendColor(pcol->edge, contrast, 128);
// Render the frame
gdispGFillStringBox(gw->g.display, gw->g.x, gw->g.y, gw->g.width, FRM_BORDER_T, gw->text, gw->g.font, contrast, pcol->edge, justifyCenter);
gdispGFillArea(gw->g.display, gw->g.x, gw->g.y+FRM_BORDER_T, FRM_BORDER_L, gw->g.height-(FRM_BORDER_T+FRM_BORDER_B), pcol->edge);
gdispGFillArea(gw->g.display, gw->g.x+gw->g.width-FRM_BORDER_R, gw->g.y+FRM_BORDER_T, FRM_BORDER_R, gw->g.height-(FRM_BORDER_T+FRM_BORDER_B), pcol->edge);
gdispGFillArea(gw->g.display, gw->g.x, gw->g.y+gw->g.height-FRM_BORDER_B, gw->g.width, FRM_BORDER_B, pcol->edge);
// Add the buttons
pos = gw->g.x+gw->g.width - (FRM_BORDER_R+FRM_BUTTON_X);
if ((gw->g.flags & GWIN_FRAME_CLOSE_BTN)) {
if ((gw->g.flags & GWIN_FRAME_CLOSE_PRESSED))
gdispFillArea(pos, gw->g.y+FRM_BUTTON_T, FRM_BUTTON_X, FRM_BUTTON_Y, btn);
gdispDrawLine(pos+FRM_BUTTON_I, gw->g.y+(FRM_BUTTON_T+FRM_BUTTON_I), pos+(FRM_BUTTON_X-FRM_BUTTON_I-1), gw->g.y+(FRM_BUTTON_T+FRM_BUTTON_Y-FRM_BUTTON_I-1), contrast);
gdispDrawLine(pos+(FRM_BUTTON_X-FRM_BUTTON_I-1), gw->g.y+(FRM_BUTTON_T+FRM_BUTTON_I), pos+FRM_BUTTON_I, gw->g.y+(FRM_BUTTON_T+FRM_BUTTON_Y-FRM_BUTTON_I-1), contrast);
pos -= FRM_BUTTON_X;
}
if ((gw->g.flags & GWIN_FRAME_MINMAX_BTN)) {
if ((gw->g.flags & GWIN_FRAME_MAX_PRESSED))
gdispFillArea(pos, gw->g.y+FRM_BUTTON_T, FRM_BUTTON_X, FRM_BUTTON_Y, btn);
// the symbol
gdispDrawBox(pos+FRM_BUTTON_I, gw->g.y+(FRM_BUTTON_T+FRM_BUTTON_I), FRM_BUTTON_X-2*FRM_BUTTON_I, FRM_BUTTON_Y-2*FRM_BUTTON_I, contrast);
gdispDrawLine(pos+(FRM_BUTTON_I+1), gw->g.y+(FRM_BUTTON_T+FRM_BUTTON_I+1), pos+(FRM_BUTTON_X-FRM_BUTTON_I-2), gw->g.y+(FRM_BUTTON_T+FRM_BUTTON_I+1), contrast);
gdispDrawLine(pos+(FRM_BUTTON_I+1), gw->g.y+(FRM_BUTTON_T+FRM_BUTTON_I+2), pos+(FRM_BUTTON_X-FRM_BUTTON_I-2), gw->g.y+(FRM_BUTTON_T+FRM_BUTTON_I+2), contrast);
pos -= FRM_BUTTON_X;
if ((gw->g.flags & GWIN_FRAME_MIN_PRESSED))
gdispFillArea(pos, gw->g.y+FRM_BUTTON_T, FRM_BUTTON_X, FRM_BUTTON_Y, btn);
gdispDrawLine(pos+FRM_BUTTON_I, gw->g.y+(FRM_BUTTON_T+FRM_BUTTON_Y-FRM_BUTTON_I-1), pos+(FRM_BUTTON_X-FRM_BUTTON_I-1), gw->g.y+(FRM_BUTTON_T+FRM_BUTTON_Y-FRM_BUTTON_I-1), contrast);
pos -= FRM_BUTTON_X;
}
// Don't touch the client area
}
void gdispDrawBox(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
/* No mutex required as we only call high level functions which have their own mutex */
coord_t x1, y1;
x1 = x+cx-1;
y1 = y+cy-1;
if (cx > 2) {
if (cy >= 1) {
gdispDrawLine(x, y, x1, y, color);
if (cy >= 2) {
gdispDrawLine(x, y1, x1, y1, color);
if (cy > 2) {
gdispDrawLine(x, y+1, x, y1-1, color);
gdispDrawLine(x1, y+1, x1, y1-1, color);
}
}
}
} else if (cx == 2) {
gdispDrawLine(x, y, x, y1, color);
gdispDrawLine(x1, y, x1, y1, color);
} else if (cx == 1) {
gdispDrawLine(x, y, x, y1, color);
}
}
void gwinDrawLine(GHandle gh, coord_t x0, coord_t y0, coord_t x1, coord_t y1) {
if (!((gh->flags & GWIN_FLG_VISIBLE)))
return;
#if GDISP_NEED_CLIP
gdispSetClip(gh->x, gh->y, gh->width, gh->height);
#endif
gdispDrawLine(gh->x+x0, gh->y+y0, gh->x+x1, gh->y+y1, gh->color);
}
/// \method line(x1, y1, x2, y2, colour)
///
/// Draw a line from (x1,y1) to (x2,y2) using the given colour.
///
STATIC mp_obj_t pyb_ugfx_line(mp_uint_t n_args, const mp_obj_t *args) {
// extract arguments
//pyb_ugfx_obj_t *self = args[0];
int x0 = mp_obj_get_int(args[1]);
int y0 = mp_obj_get_int(args[2]);
int x1 = mp_obj_get_int(args[3]);
int y1 = mp_obj_get_int(args[4]);
int col = mp_obj_get_int(args[5]);
gdispDrawLine(x0, y0, x1, y1, col);
return mp_const_none;
}
void gdispFillConvexPoly(coord_t tx, coord_t ty, const point *pntarray, unsigned cnt, color_t color) {
const point *lpnt, *rpnt, *epnts;
fpcoord_t lx, rx, lk, rk;
coord_t y, ymax, lxc, rxc;
epnts = &pntarray[cnt-1];
/* Find a top point */
rpnt = pntarray;
for(lpnt=pntarray+1; lpnt <= epnts; lpnt++) {
if (lpnt->y < rpnt->y)
rpnt = lpnt;
}
lx = rx = rpnt->x<<16;
y = rpnt->y;
/* Work out the slopes of the two attached line segs */
lpnt = rpnt <= pntarray ? epnts : rpnt-1;
while (lpnt->y == y) {
lx = lpnt->x<<16;
lpnt = lpnt <= pntarray ? epnts : lpnt-1;
if (!cnt--) return;
}
rpnt = rpnt >= epnts ? pntarray : rpnt+1;
while (rpnt->y == y) {
rx = rpnt->x<<16;
rpnt = rpnt >= epnts ? pntarray : rpnt+1;
if (!cnt--) return;
}
lk = (((fpcoord_t)(lpnt->x)<<16) - lx) / (lpnt->y - y);
rk = (((fpcoord_t)(rpnt->x)<<16) - rx) / (rpnt->y - y);
while(1) {
/* Determine our boundary */
ymax = rpnt->y < lpnt->y ? rpnt->y : lpnt->y;
/* Scan down the line segments until we hit a boundary */
for(; y < ymax; y++) {
lxc = lx>>16;
rxc = rx>>16;
/*
* Doesn't print the right hand point in order to allow polygon joining.
* Also ensures that we draw from left to right with the minimum number
* of pixels.
*/
if (lxc < rxc) {
if (rxc - lxc == 1)
gdispDrawPixel(tx+lxc, ty+y, color);
else
gdispDrawLine(tx+lxc, ty+y, tx+rxc-1, ty+y, color);
} else if (lxc > rxc) {
if (lxc - rxc == 1)
gdispDrawPixel(tx+rxc, ty+y, color);
else
gdispDrawLine(tx+rxc, ty+y, tx+lxc-1, ty+y, color);
}
lx += lk;
rx += rk;
}
if (!cnt--) return;
/* Replace the appropriate point */
if (ymax == lpnt->y) {
lpnt = lpnt <= pntarray ? epnts : lpnt-1;
while (lpnt->y == y) {
lx = lpnt->x<<16;
lpnt = lpnt <= pntarray ? epnts : lpnt-1;
if (!cnt--) return;
}
lk = (((fpcoord_t)(lpnt->x)<<16) - lx) / (lpnt->y - y);
} else {
rpnt = rpnt >= epnts ? pntarray : rpnt+1;
while (rpnt->y == y) {
rx = rpnt->x<<16;
rpnt = rpnt >= epnts ? pntarray : rpnt+1;
if (!cnt--) return;
}
rk = (((fpcoord_t)(rpnt->x)<<16) - rx) / (rpnt->y - y);
}
}
}
static inline void _tsDrawCross(const MousePoint *pp) {
gdispDrawLine(pp->x-15, pp->y, pp->x-2, pp->y, White);
gdispDrawLine(pp->x+2, pp->y, pp->x+15, pp->y, White);
gdispDrawLine(pp->x, pp->y-15, pp->x, pp->y-2, White);
gdispDrawLine(pp->x, pp->y+2, pp->x, pp->y+15, White);
gdispDrawLine(pp->x-15, pp->y+15, pp->x-7, pp->y+15, RGB2COLOR(184,158,131));
gdispDrawLine(pp->x-15, pp->y+7, pp->x-15, pp->y+15, RGB2COLOR(184,158,131));
gdispDrawLine(pp->x-15, pp->y-15, pp->x-7, pp->y-15, RGB2COLOR(184,158,131));
gdispDrawLine(pp->x-15, pp->y-7, pp->x-15, pp->y-15, RGB2COLOR(184,158,131));
gdispDrawLine(pp->x+7, pp->y+15, pp->x+15, pp->y+15, RGB2COLOR(184,158,131));
gdispDrawLine(pp->x+15, pp->y+7, pp->x+15, pp->y+15, RGB2COLOR(184,158,131));
gdispDrawLine(pp->x+7, pp->y-15, pp->x+15, pp->y-15, RGB2COLOR(184,158,131));
gdispDrawLine(pp->x+15, pp->y-15, pp->x+15, pp->y-7, RGB2COLOR(184,158,131));
}
static void lineto(GGraphObject *gg, coord_t x0, coord_t y0, coord_t x1, coord_t y1, const GGraphLineStyle *style) {
coord_t dy, dx;
coord_t addx, addy;
coord_t P, diff, i;
coord_t run_on, run_off, run;
if (style->type == GGRAPH_LINE_NONE)
return;
// Convert to device space. Note the y-axis is inverted.
x0 += gg->g.x + gg->xorigin;
y0 = gg->g.y + gg->g.height - 1 - gg->yorigin - y0;
x1 += gg->g.x + gg->xorigin;
y1 = gg->g.y + gg->g.height - 1 - gg->yorigin - y1;
if (style->size <= 0) {
// Use the driver to draw a solid line
gdispDrawLine(x0, y0, x1, y1, style->color);
return;
}
switch (style->type) {
case GGRAPH_LINE_DOT:
run_on = 1;
run_off = -style->size;
break;
case GGRAPH_LINE_DASH:
run_on = style->size;
run_off = -style->size;
break;
case GGRAPH_LINE_SOLID:
default:
// Use the driver to draw a solid line
gdispDrawLine(x0, y0, x1, y1, style->color);
return;
}
// Use Bresenham's algorithm modified to draw a stylized line
run = 0;
if (x1 >= x0) {
dx = x1 - x0;
addx = 1;
} else {
dx = x0 - x1;
addx = -1;
}
if (y1 >= y0) {
dy = y1 - y0;
addy = 1;
} else {
dy = y0 - y1;
addy = -1;
}
if (dx >= dy) {
dy *= 2;
P = dy - dx;
diff = P - dx;
for(i=0; i<=dx; ++i) {
if (run++ >= 0) {
if (run >= run_on)
run = run_off;
gdispDrawPixel(x0, y0, style->color);
}
if (P < 0) {
P += dy;
x0 += addx;
} else {
P += diff;
x0 += addx;
y0 += addy;
}
}
} else {
dx *= 2;
P = dx - dy;
diff = P - dy;
for(i=0; i<=dy; ++i) {
if (run++ >= 0) {
if (run >= run_on)
run = run_off;
gdispDrawPixel(x0, y0, style->color);
}
if (P < 0) {
P += dx;
y0 += addy;
} else {
P += diff;
x0 += addx;
y0 += addy;
}
}
}
}
