void
SvgWindow::updateSvgContext ()
{
if (context)
{
finiTexture (context->texture[0]);
finiTexture (context->texture[1]);
}
else
{
context = new SvgContext;
if (!context)
return;
}
int x1, y1, x2, y2;
CompSize wSize;
initTexture (source, context->texture[1], context->size);
context->source = source;
wSize.setWidth (window->geometry ().width ());
wSize.setHeight (window->geometry ().height ());
decor_apply_gravity (source->p1.gravity,
source->p1.x, source->p1.y,
wSize.width (), wSize.height (),
&x1, &y1);
decor_apply_gravity (source->p2.gravity,
source->p2.x, source->p2.y,
wSize.width (), wSize.height (),
&x2, &y2);
x1 = MAX (x1, 0);
y1 = MAX (y1, 0);
x2 = MIN (x2, wSize.width ());
y2 = MIN (y2, wSize.height ());
if (!initTexture (source, context->texture[0], wSize))
{
delete context;
context = NULL;
}
else
{
renderSvg (source, context->texture[0], wSize, 0.0f, 0.0f, 1.0f, 1.0f);
initTexture (source, context->texture[1], CompSize ());
context->box += CompRect (x1, y1, x2 - x1, y2 - y1);
context->box.translate (window->geometry ().x (), window->geometry ().y ());
updateSvgMatrix ();
}
}
static void
updateWindowVideoContext(CompWindow *w,
VideoSource *source)
{
int x1, y1, x2, y2;
VIDEO_WINDOW(w);
if (!vw->context)
{
vw->context = malloc(sizeof (VideoContext));
if (!vw->context)
return;
}
vw->context->source = source;
vw->context->box.rects = &vw->context->box.extents;
vw->context->box.numRects = 1;
decor_apply_gravity(source->p1.gravity,
source->p1.x, source->p1.y,
w->width, w->height,
&x1, &y1);
decor_apply_gravity(source->p2.gravity,
source->p2.x, source->p2.y,
w->width, w->height,
&x2, &y2);
x1 = MAX(x1, 0);
y1 = MAX(y1, 0);
x2 = MIN(x2, w->width);
y2 = MIN(y2, w->height);
vw->context->width = x2 - x1;
vw->context->height = y2 - y1;
vw->context->panX = 0.0f;
vw->context->panY = 0.0f;
if (source->aspect)
{
float aspect, width, height, v;
width = vw->context->width;
height = vw->context->height;
aspect = width / height;
if (aspect < source->aspectRatio)
{
v = (width + width * source->panScan) / source->aspectRatio;
height = MIN(vw->context->height, v);
width = height * source->aspectRatio;
}
else
{
v = (height + height * source->panScan) * source->aspectRatio;
width = MIN(vw->context->width, v);
height = width / source->aspectRatio;
}
x1 = (vw->context->width / 2.0f) - (width / 2.0f);
y1 = (vw->context->height / 2.0f) - (height / 2.0f);
x2 = ((vw->context->width / 2.0f) + (width / 2.0f) + 0.5f);
y2 = ((vw->context->height / 2.0f) + (height / 2.0f) + 0.5f);
vw->context->width = x2 - x1;
vw->context->height = y2 - y1;
if (x1 < 0)
vw->context->panX = -x1;
if (y1 < 0)
vw->context->panY = -y1;
x1 = MAX(x1, 0);
y1 = MAX(y1, 0);
x2 = MIN(x2, w->width);
y2 = MIN(y2, w->height);
}
if (x1 == 0 &&
y1 == 0 &&
x2 == w->width &&
y2 == w->height)
{
vw->context->full = TRUE;
}
else
{
vw->context->full = FALSE;
}
vw->context->box.extents.x1 = x1;
vw->context->box.extents.y1 = y1;
vw->context->box.extents.x2 = x2;
vw->context->box.extents.y2 = y2;
vw->context->box.extents.x1 += w->attrib.x;
vw->context->box.extents.y1 += w->attrib.y;
vw->context->box.extents.x2 += w->attrib.x;
vw->context->box.extents.y2 += w->attrib.y;
updateWindowVideoMatrix(w);
}
static void
updateWindowSvgContext(CompWindow *w,
SvgSource *source)
{
int x1, y1, x2, y2;
SVG_WINDOW(w);
if (sw->context)
{
finiSvgTexture(w->screen, &sw->context->texture[0]);
finiSvgTexture(w->screen, &sw->context->texture[1]);
}
else
{
sw->context = malloc(sizeof (SvgContext));
if (!sw->context)
return;
}
memset(&sw->context->rect, 0, sizeof (BoxRec));
sw->context->width = 0;
sw->context->height = 0;
initSvgTexture(w, source, &sw->context->texture[1], 0, 0);
sw->context->source = source;
sw->context->box.rects = &sw->context->box.extents;
sw->context->box.numRects = 1;
decor_apply_gravity(source->p1.gravity,
source->p1.x, source->p1.y,
w->width, w->height,
&x1, &y1);
decor_apply_gravity(source->p2.gravity,
source->p2.x, source->p2.y,
w->width, w->height,
&x2, &y2);
x1 = MAX(x1, 0);
y1 = MAX(y1, 0);
x2 = MIN(x2, w->width);
y2 = MIN(y2, w->height);
if (!initSvgTexture(w, source, &sw->context->texture[0],
w->width, w->height))
{
free(sw->context);
sw->context = NULL;
}
else
{
renderSvg(w->screen, source, &sw->context->texture[0],
0.0f, 0.0f, 1.0f, 1.0f, w->width, w->height);
initSvgTexture(w, source, &sw->context->texture[1], 0, 0);
sw->context->box.extents.x1 = x1;
sw->context->box.extents.y1 = y1;
sw->context->box.extents.x2 = x2;
sw->context->box.extents.y2 = y2;
sw->context->box.extents.x1 += w->attrib.x;
sw->context->box.extents.y1 += w->attrib.y;
sw->context->box.extents.x2 += w->attrib.x;
sw->context->box.extents.y2 += w->attrib.y;
updateWindowSvgMatrix(w);
}
}
static void
computeQuadBox (decor_quad_t *q,
int width,
int height,
int *return_x1,
int *return_y1,
int *return_x2,
int *return_y2,
float *return_sx,
float *return_sy)
{
int x1, y1, x2, y2;
float sx = 1.0f;
float sy = 1.0f;
decor_apply_gravity (q->p1.gravity, q->p1.x, q->p1.y, width, height,
&x1, &y1);
decor_apply_gravity (q->p2.gravity, q->p2.x, q->p2.y, width, height,
&x2, &y2);
if (q->clamp & CLAMP_HORZ)
{
if (x1 < 0)
x1 = 0;
if (x2 > width)
x2 = width;
}
if (q->clamp & CLAMP_VERT)
{
if (y1 < 0)
y1 = 0;
if (y2 > height)
y2 = height;
}
if (q->stretch & STRETCH_X)
{
sx = (float)q->max_width / ((float)(x2 - x1));
}
else if (q->max_width < x2 - x1)
{
if (q->align & ALIGN_RIGHT)
x1 = x2 - q->max_width;
else
x2 = x1 + q->max_width;
}
if (q->stretch & STRETCH_Y)
{
sy = (float)q->max_height / ((float)(y2 - y1));
}
else if (q->max_height < y2 - y1)
{
if (q->align & ALIGN_BOTTOM)
y1 = y2 - q->max_height;
else
y2 = y1 + q->max_height;
}
*return_x1 = x1;
*return_y1 = y1;
*return_x2 = x2;
*return_y2 = y2;
if (return_sx)
*return_sx = sx;
if (return_sy)
*return_sy = sy;
}
