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Transparent background, absolute font loading paths #7

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Transparent background, absolute font loading paths #7

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dcfd453
Enable transparent background by default (instead of clearing to black)
jholster Sep 18, 2016
f32e54b
Use __dirname when loading default fonts to make util.js requirable f…
jholster Sep 18, 2016
7559837
Merge branch 'master' into master
eendeego Jul 2, 2017
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2 changes: 1 addition & 1 deletion examples/modules/util.js
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ const fonts = {
};

function start() {
const color = new Float32Array([255, 255, 255, 1]);
const color = new Float32Array([255, 255, 255, 0]);
openVG.setFVOL(VG_CLEAR_COLOR, color, 0, 4);
openVG.clear(0, 0, openVG.screen.width, openVG.screen.height);
(color[0] = 0), (color[1] = 0), (color[2] = 0);
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9 changes: 7 additions & 2 deletions src/egl.cc
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Expand Up @@ -66,6 +66,11 @@ extern void egl::Init() {

static EGL_DISPMANX_WINDOW_T nativewindow;

static VC_DISPMANX_ALPHA_T alpha = {
DISPMANX_FLAGS_ALPHA_FROM_SOURCE,
255, 0
};

// bcm_host_init() must be called before anything else
bcm_host_init();

Expand Down Expand Up @@ -107,10 +112,10 @@ extern void egl::Init() {
dispman_update = vc_dispmanx_update_start(0);

dispman_element =
vc_dispmanx_element_add(dispman_update, dispman_display, 0 /*layer */ ,
vc_dispmanx_element_add(dispman_update, dispman_display, 1 /*layer */ ,
&dst_rect, 0 /*src */ , &src_rect,
DISPMANX_PROTECTION_NONE,
0 /*alpha */ , 0 /*clamp */ ,
&alpha /*alpha */ , 0 /*clamp */ ,
DISPMANX_NO_ROTATE /*transform */);

nativewindow.element = dispman_element;
Expand Down