gambas-source-code/main/lib/image/CImage.c
Benoît Minisini dd5be3f66b [GB.IMAGE]
* BUG: The third argument of Image constructor is now ignored if it is -1, 
  so that the old syntax does not create an image with premultiplied alpha.


git-svn-id: svn://localhost/gambas/trunk@1809 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2009-01-21 19:57:53 +00:00

144 lines
3.5 KiB
C

/***************************************************************************
CImage.c
(c) 2000-2007 Benoit Minisini <gambas@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
***************************************************************************/
#define __CIMAGE_C
#include "main.h"
#include "image.h"
#include "CImage.h"
BEGIN_METHOD(CIMAGE_new, GB_INTEGER w; GB_INTEGER h; GB_INTEGER format; GB_INTEGER col)
int format = IMAGE_get_default_format();
if (VARGOPT(format, 0) == 1)
format = GB_IMAGE_FMT_SET_PREMULTIPLIED(format);
IMAGE_create(THIS_IMAGE, VARGOPT(w, 0), VARGOPT(h, 0), format);
if (!MISSING(col))
IMAGE_fill(THIS_IMAGE, VARG(col));
END_METHOD
BEGIN_METHOD_VOID(CIMAGE_free)
IMAGE_delete(THIS_IMAGE);
END_METHOD
BEGIN_PROPERTY(CIMAGE_width)
GB.ReturnInteger(THIS_IMAGE->width);
END_PROPERTY
BEGIN_PROPERTY(CIMAGE_height)
GB.ReturnInteger(THIS_IMAGE->height);
END_PROPERTY
BEGIN_PROPERTY(CIMAGE_depth)
GB.ReturnInteger(32);
END_PROPERTY
BEGIN_METHOD(CIMAGE_fill, GB_INTEGER col)
IMAGE_fill(THIS_IMAGE, VARG(col));
END_METHOD
BEGIN_METHOD(CIMAGE_get, GB_INTEGER x; GB_INTEGER y)
GB.ReturnInteger(IMAGE_get_pixel(THIS_IMAGE, VARG(x), VARG(y)));
END_METHOD
BEGIN_METHOD(CIMAGE_put, GB_INTEGER col; GB_INTEGER x; GB_INTEGER y)
IMAGE_set_pixel(THIS_IMAGE, VARG(x), VARG(y), VARG(col));
END_METHOD
BEGIN_PROPERTY(CIMAGE_data)
GB.ReturnPointer((void *)THIS_IMAGE->data);
END_PROPERTY
BEGIN_METHOD_VOID(CIMAGE_make_gray)
IMAGE_make_gray(THIS_IMAGE);
END_METHOD
BEGIN_METHOD_VOID(CIMAGE_clear)
IMAGE_delete(THIS_IMAGE);
END_METHOD
BEGIN_METHOD(CIMAGE_replace, GB_INTEGER src; GB_INTEGER dst; GB_BOOLEAN noteq)
IMAGE_replace(THIS_IMAGE, VARG(src), VARG(dst), VARGOPT(noteq, FALSE));
END_METHOD
BEGIN_METHOD(CIMAGE_make_transparent, GB_INTEGER color)
IMAGE_make_transparent(THIS_IMAGE, VARGOPT(color, 0xFFFFFF));
END_METHOD
GB_DESC CImageDesc[] =
{
GB_DECLARE("Image", sizeof(CIMAGE)),
GB_CONSTANT("Standard", "i", 0),
GB_CONSTANT("Premultiplied", "i", 1),
GB_METHOD("_new", NULL, CIMAGE_new, "[(Width)i(Height)i(Format)i(Color)i]"),
GB_METHOD("_free", NULL, CIMAGE_free, NULL),
GB_METHOD("_get", "i", CIMAGE_get, "(X)i(Y)i"),
GB_METHOD("_put", NULL, CIMAGE_put, "(Color)i(X)i(Y)i"),
//GB_PROPERTY_READ("Format", "i", CIMAGE_format),
GB_PROPERTY_READ("Width", "i", CIMAGE_width),
GB_PROPERTY_READ("Height", "i", CIMAGE_height),
GB_PROPERTY_READ("W", "i", CIMAGE_width),
GB_PROPERTY_READ("H", "i", CIMAGE_height),
GB_PROPERTY_READ("Depth", "i", CIMAGE_depth),
GB_PROPERTY_READ("Data", "i", CIMAGE_data),
GB_METHOD("Clear", NULL, CIMAGE_clear, NULL),
GB_METHOD("Fill", NULL, CIMAGE_fill, "(Color)i"),
GB_METHOD("MakeGray", NULL, CIMAGE_make_gray, NULL),
GB_METHOD("MakeTransparent", NULL, CIMAGE_make_transparent, "[(Color)i]"),
GB_METHOD("Replace", NULL, CIMAGE_replace, "(OldColor)i(NewColor)i[(NotEqual)b]"),
GB_END_DECLARE
};