diff options
Diffstat (limited to 'viewport.c')
| -rw-r--r-- | viewport.c | 28 |
1 files changed, 22 insertions, 6 deletions
@@ -11,31 +11,33 @@ static void viewport_draw(Viewport *v, Image *dst) { - Point scale; + Point off, scale; + off = Pt(v->p.x, v->p.y); /* no downsampling support yet */ scale.x = max(min(v->bx.x, Dx(dst->r)/Dx(v->r)), 1); scale.y = max(min(v->by.y, Dy(dst->r)/Dy(v->r)), 1); if(scale.x > 1 || scale.y > 1) - v->fbctl->upscaledraw(v->fbctl, dst, scale); + v->fbctl->upscaledraw(v->fbctl, dst, off, scale); else - v->fbctl->draw(v->fbctl, dst); + v->fbctl->draw(v->fbctl, dst, off); } static void viewport_memdraw(Viewport *v, Memimage *dst) { - Point scale; + Point off, scale; + off = Pt(v->p.x, v->p.y); /* no downsampling support yet */ scale.x = max(min(v->bx.x, Dx(dst->r)/Dx(v->r)), 1); scale.y = max(min(v->by.y, Dy(dst->r)/Dy(v->r)), 1); if(scale.x > 1 || scale.y > 1) - v->fbctl->upscalememdraw(v->fbctl, dst, scale); + v->fbctl->upscalememdraw(v->fbctl, dst, off, scale); else - v->fbctl->memdraw(v->fbctl, dst); + v->fbctl->memdraw(v->fbctl, dst, off); } static void @@ -59,6 +61,18 @@ viewport_getfb(Viewport *v) return v->fbctl->getfb(v->fbctl); } +static int +viewport_getwidth(Viewport *v) +{ + return Dx(v->r)*v->bx.x; +} + +static int +viewport_getheight(Viewport *v) +{ + return Dy(v->r)*v->by.y; +} + Viewport * mkviewport(Rectangle r) { @@ -75,6 +89,8 @@ mkviewport(Rectangle r) v->setscale = viewport_setscale; v->setscalefilter = viewport_setscalefilter; v->getfb = viewport_getfb; + v->getwidth = viewport_getwidth; + v->getheight = viewport_getheight; return v; } |