cairo_surface_t *
_gdk_windowing_create_cairo_surface (GdkDrawable *drawable,
int width,
int height)
{
CGContextRef cg_context;
GdkQuartzCairoSurfaceData *surface_data;
cairo_surface_t *surface;
cg_context = gdk_quartz_drawable_get_context (drawable, TRUE);
if (!cg_context)
return NULL;
surface_data = g_new (GdkQuartzCairoSurfaceData, 1);
surface_data->drawable = drawable;
surface_data->cg_context = cg_context;
surface = cairo_quartz_surface_create_for_cg_context (cg_context,
width, height);
cairo_surface_set_user_data (surface, &gdk_quartz_cairo_key,
surface_data,
gdk_quartz_cairo_surface_destroy);
return surface;
}
/////////////////////////////////////////////////////////////////////////////
// SurfaceCgBitmapContext
SurfaceCgBitmapContext::SurfaceCgBitmapContext( int32_t width, int32_t height, bool alpha )
: SurfaceBase( width, height )
{
mSurface = cinder::Surface( width, height, alpha, SurfaceConstraintsCgBitmapContext() );
mCgContextRef = cinder::cocoa::createCgBitmapContext( mSurface );
// Need to flip this vertically since Quartz is lower-left origin
::CGContextTranslateCTM( mCgContextRef, 0.0f, height );
::CGContextScaleCTM( mCgContextRef, 1.0f, -1.0f );
mCairoSurface = cairo_quartz_surface_create_for_cg_context( mCgContextRef, width, height );
}
cairo_surface_t* cairo_box::set_surface(int wo, int ho)
{
#ifdef WIN32
#warning win32 mode
/* Get a Cairo surface for the current DC */
HDC dc = fl_gc; /* Exported by fltk */
return cairo_win32_surface_create(dc);
#elif defined (__APPLE__)
#warning Apple Quartz mode
/* Get a Cairo surface for the current CG context */
CGContext *ctx = fl_gc;
return cairo_quartz_surface_create_for_cg_context(ctx, wo, ho);
#else
/* Get a Cairo surface for the current display */
return cairo_xlib_surface_create(fl_display, fl_window, fl_visual->visual, wo, ho);
#endif
}
gfxQuartzSurface::gfxQuartzSurface(CGContextRef context,
const gfxIntSize& size,
bool aForPrinting)
: mCGContext(context), mSize(size), mForPrinting(aForPrinting)
{
if (!CheckSurfaceSize(size))
MakeInvalid();
unsigned int width = static_cast<unsigned int>(mSize.width);
unsigned int height = static_cast<unsigned int>(mSize.height);
cairo_surface_t *surf =
cairo_quartz_surface_create_for_cg_context(context,
width, height);
CGContextRetain(mCGContext);
Init(surf);
}
gfxQuartzSurface::gfxQuartzSurface(CGContextRef context,
const mozilla::gfx::IntSize& size)
: mCGContext(context), mSize(size)
{
if (!CheckSurfaceSize(size))
MakeInvalid();
unsigned int width = static_cast<unsigned int>(mSize.width);
unsigned int height = static_cast<unsigned int>(mSize.height);
cairo_surface_t *surf =
cairo_quartz_surface_create_for_cg_context(context,
width, height);
CGContextRetain(mCGContext);
Init(surf);
if (mSurfaceValid) {
RecordMemoryUsed(mSize.height * 4 + sizeof(gfxQuartzSurface));
}
}
gfxQuartzSurface::gfxQuartzSurface(CGContextRef context,
const gfxSize& desiredSize,
bool aForPrinting)
: mCGContext(context), mSize(desiredSize), mForPrinting(aForPrinting)
{
gfxIntSize size((unsigned int) floor(desiredSize.width),
(unsigned int) floor(desiredSize.height));
if (!CheckSurfaceSize(size))
MakeInvalid();
unsigned int width = static_cast<unsigned int>(mSize.width);
unsigned int height = static_cast<unsigned int>(mSize.height);
cairo_surface_t *surf =
cairo_quartz_surface_create_for_cg_context(context,
width, height);
CGContextRetain(mCGContext);
Init(surf);
if (mSurfaceValid) {
RecordMemoryUsed(mSize.height * 4 + sizeof(gfxQuartzSurface));
}
}
SurfaceQuartz::SurfaceQuartz( CGContextRef cgContext, int32_t width, int32_t height )
: SurfaceBase( width, height ), mCgContextRef( cgContext )
{
mCairoSurface = cairo_quartz_surface_create_for_cg_context( cgContext, width, height );
}
static VALUE
cr_quartz_surface_initialize (int argc, VALUE *argv, VALUE self)
{
id objc_object = nil;
CGContextRef context;
unsigned int width, height;
cairo_surface_t *surface = NULL;
cairo_format_t format = CAIRO_FORMAT_ARGB32;
VALUE arg1, arg2, arg3, rb_width, rb_height;
static VALUE rb_cOSXCGContextRef = Qnil;
rb_scan_args (argc, argv, "21", &arg1, &arg2, &arg3);
if (argc == 2)
{
rb_width = arg1;
rb_height = arg2;
}
else
{
switch (TYPE (arg1))
{
case T_NIL:
break;
case T_STRING:
case T_SYMBOL:
case T_FIXNUM:
format = RVAL2CRFORMAT (arg1);
break;
default:
if (NIL_P (rb_cOSXCGContextRef))
rb_cOSXCGContextRef =
rb_const_get (rb_const_get (rb_cObject, rb_intern ("OSX")),
rb_intern ("CGContextRef"));
if (RTEST (rb_obj_is_kind_of (arg1, rb_cOSXCGContextRef)))
rbobj_to_nsobj (arg1, &objc_object);
else
rb_raise (rb_eArgError,
"invalid argument (expect "
"(width, height), "
"(format, width, height) or "
"(cg_context, width, height)): %s",
inspect (rb_ary_new3 (3, arg1, arg2, arg3)));
break;
}
rb_width = arg2;
rb_height = arg3;
}
width = NUM2UINT (rb_width);
height = NUM2UINT (rb_height);
if (objc_object == nil)
{
surface = cairo_quartz_surface_create (format, width, height);
}
else
{
context = (CGContextRef)objc_object;
surface =
cairo_quartz_surface_create_for_cg_context (context, width, height);
}
cr_surface_check_status (surface);
DATA_PTR (self) = surface;
if (rb_block_given_p ())
yield_and_finish (self);
return Qnil;
}
