draw-text
wayland/vidor-graphics/draw-text
Draw text.
draw-text
@/draw-text
Draw text.
GFX@/gfx-device
A Vidor graphics device.
Xnumber
X coordinate.
Ynumber
Y coordinate.
Textstring
Text string.
Sizenumber
Font size.
Fontnumber
Font index.
Colorxod/color/color
Color of text.
Alphanumber
Alpha compositing. Takes a value from 0 to 255.
UPDpulse
Update
Donepulse
Pulse on completion.
C++ implementation
#pragma XOD evaluate_on_pin disable
#pragma XOD evaluate_on_pin enable input_UPD
node {
void evaluate(Context ctx) {
if (!isInputDirty<input_UPD>(ctx))
return;
auto gfx = getValue<input_GFX>(ctx);
auto xString = getValue<input_Text>(ctx);
int N=length(xString) + 1;
char cString[N];
for(int i=0;i<N;i++)
cString[i]=0;
dump(xString, cString);
auto color = getValue<input_Color>(ctx);
uint32_t color32 = gfx->Color(color.r, color.g, color.b);
gfx->text.setCursor(
getValue<input_X>(ctx),
getValue<input_Y>(ctx));
gfx->text.setAlpha(getValue<input_Alpha>(ctx));
gfx->text.setSize(getValue<input_Size>(ctx));
gfx->setFont(getValue<input_Font>(ctx));
gfx->text.setColor(color32);
gfx->println(cString);
emitValue<output_Done>(ctx, 1);
}
}