static dl_code_e text_render_transparent(void * pcom,
dl_context_t * context)
{
struct text_command * c = pcom;
///$$$
// text_set_properties(0,16,1);
text_set_color(c->a * context->color.a, c->r * context->color.r,
c->g * context->color.g, c->b * context->color.b);
text_draw_str(context->trans[0][0] * c->x + context->trans[3][0],
context->trans[1][1] * c->y + context->trans[3][1],
context->trans[2][2] * c->z + context->trans[3][2],
c->text);
return DL_COMMAND_OK;
}
/**
* Initializes the timestamp library with a font file and face index.
*/
void subtitle_init(const char *font_file, long face_index, int points, int dpi) {
if (text_id != -1) {
text_destroy(text_id);
}
text_id = text_create(
font_file, face_index,
points,
dpi
);
text_set_stroke_color(text_id, 0x000000);
text_set_letter_spacing(text_id, 1);
text_set_color(text_id, 0xffffff);
text_set_layout(text_id,
LAYOUT_ALIGN_BOTTOM | LAYOUT_ALIGN_CENTER, // layout alignment for the box
0, // horizontal margin from the right edge
30); // vertical margin from the bottom edge
text_set_align(text_id, TEXT_ALIGN_CENTER); // text alignment inside the box
}
static void
flow_update_data(Flow *flow)
{
Connection *conn = &flow->connection;
DiaObject *obj = &conn->object;
Rectangle rect;
Color* color = NULL;
if (connpoint_is_autogap(flow->connection.endpoint_handles[0].connected_to) ||
connpoint_is_autogap(flow->connection.endpoint_handles[1].connected_to)) {
connection_adjust_for_autogap(conn);
}
obj->position = conn->endpoints[0];
switch (flow->type) {
case FLOW_ENERGY:
color = &flow_color_energy ;
break ;
case FLOW_MATERIAL:
color = &flow_color_material ;
break ;
case FLOW_SIGNAL:
color = &flow_color_signal ;
break ;
}
text_set_color( flow->text, color ) ;
flow->text->position = flow->textpos;
flow->text_handle.pos = flow->textpos;
connection_update_handles(conn);
/* Boundingbox: */
connection_update_boundingbox(conn);
/* Add boundingbox for text: */
text_calc_boundingbox(flow->text, &rect) ;
rectangle_union(&obj->bounding_box, &rect);
}
static dl_code_e scrolltext_render_transparent(void * pcom,
dl_context_t * context)
{
struct scrolltext_command * c = pcom;
float x, xs;
/* Set text color */
text_set_color(c->a * context->color.a, c->r * context->color.r,
c->g * context->color.g, c->b * context->color.b);
xs = c->xs;
x = c->x + xs;
text_draw_str(context->trans[0][0] * x + context->trans[3][0],
context->trans[1][1] * c->y + context->trans[3][1],
context->trans[2][2] * c->z + context->trans[3][2],
c->text);
/* Scroll */
if (c->spd) {
xs -= c->spd;
switch (c->pingpong) {
/* ping-pong when text is outside window */
case 1:
if (c->spd > 0) {
/* scrolling to the left */
float xlim = xs + c->w;
if (xlim < 0) {
c->spd = -c->spd; /* Change dir */
xs -= xlim;
}
} else {
/* scrolling to the right */
float xlim = xs - c->window;
if (xlim > 0) {
c->spd = -c->spd; /* Change dir */
xs -= xlim;
}
}
break;
/* ping-pong keep text inside window */
case 2:
if (c->spd > 0) {
/* scrolling to the left */
float xlim = xs + c->w - c->window;
if (xlim < 0) {
c->spd = -c->spd; /* Change dir */
xs -= xlim;
}
} else {
/* scrolling to the right */
float xlim = xs;
if (xlim > 0) {
c->spd = -c->spd; /* Change dir */
xs = 0;
}
}
break;
/* Loop at start */
default:
if (c->spd > 0) {
/* scrolling to the left */
float xlim = xs + c->w;
if (xlim < 0) {
xs = c->window + xlim; /* reset outside to the right */
}
} else {
/* scrolling to the right */
float xlim = xs - c->window;
if (xlim > 0) {
xs = -c->w + xlim; /* reset outside to the left */
}
}
break;
}
c->xs = xs;
}
return DL_COMMAND_OK;
}
/**
* Sets text color.
*/
void subtitle_set_color(int color) {
text_set_color(text_id, color);
}
