da664d19ff
* NEW: Image.Mask is new method that mask the colors of an image with another color, and that enhance the alpha channel with the alpha channel of that another color. git-svn-id: svn://localhost/gambas/trunk@2539 867c0c6c-44f3-4631-809d-bfa615b0a4ec
254 lines
6.3 KiB
C
254 lines
6.3 KiB
C
/***************************************************************************
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CImage.c
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(c) 2000-2009 Benoît Minisini <gambas@users.sourceforge.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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***************************************************************************/
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#define __CIMAGE_C
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#include "main.h"
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#include "image.h"
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#include "CImage.h"
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BEGIN_METHOD(CIMAGE_new, GB_INTEGER w; GB_INTEGER h; GB_INTEGER col; GB_INTEGER format)
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int format = IMAGE_get_default_format();
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if (VARGOPT(format, 0) == 1)
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format = GB_IMAGE_FMT_SET_PREMULTIPLIED(format);
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IMAGE_create(THIS_IMAGE, VARGOPT(w, 0), VARGOPT(h, 0), format);
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if (!MISSING(col))
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IMAGE_fill(THIS_IMAGE, VARG(col));
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END_METHOD
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BEGIN_METHOD_VOID(CIMAGE_free)
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IMAGE_delete(THIS_IMAGE);
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END_METHOD
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BEGIN_PROPERTY(CIMAGE_width)
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GB.ReturnInteger(THIS_IMAGE->width);
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END_PROPERTY
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BEGIN_PROPERTY(CIMAGE_height)
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GB.ReturnInteger(THIS_IMAGE->height);
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END_PROPERTY
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BEGIN_PROPERTY(CIMAGE_depth)
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GB.ReturnInteger(32);
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END_PROPERTY
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BEGIN_METHOD(CIMAGE_fill, GB_INTEGER col)
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IMAGE_fill(THIS_IMAGE, VARG(col));
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GB.ReturnObject(THIS);
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END_METHOD
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BEGIN_METHOD(CIMAGE_get, GB_INTEGER x; GB_INTEGER y)
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GB.ReturnInteger(IMAGE_get_pixel(THIS_IMAGE, VARG(x), VARG(y)));
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END_METHOD
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BEGIN_METHOD(CIMAGE_put, GB_INTEGER col; GB_INTEGER x; GB_INTEGER y)
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IMAGE_set_pixel(THIS_IMAGE, VARG(x), VARG(y), VARG(col));
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END_METHOD
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BEGIN_PROPERTY(CIMAGE_data)
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GB.ReturnPointer((void *)THIS_IMAGE->data);
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END_PROPERTY
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BEGIN_METHOD_VOID(CIMAGE_gray)
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IMAGE_make_gray(THIS_IMAGE);
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GB.ReturnObject(THIS);
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END_METHOD
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BEGIN_METHOD_VOID(CIMAGE_clear)
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IMAGE_delete(THIS_IMAGE);
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END_METHOD
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BEGIN_METHOD(CIMAGE_replace, GB_INTEGER src; GB_INTEGER dst; GB_BOOLEAN noteq)
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IMAGE_replace(THIS_IMAGE, VARG(src), VARG(dst), VARGOPT(noteq, FALSE));
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GB.ReturnObject(THIS);
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END_METHOD
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BEGIN_METHOD(CIMAGE_transparent, GB_INTEGER color)
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IMAGE_make_transparent(THIS_IMAGE, VARGOPT(color, 0xFFFFFF));
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GB.ReturnObject(THIS);
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END_METHOD
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BEGIN_METHOD(CIMAGE_colorize, GB_INTEGER color)
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IMAGE_colorize(THIS_IMAGE, VARG(color));
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GB.ReturnObject(THIS);
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END_METHOD
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BEGIN_METHOD(CIMAGE_mask, GB_INTEGER color)
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IMAGE_mask(THIS_IMAGE, VARG(color));
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GB.ReturnObject(THIS);
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END_METHOD
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BEGIN_METHOD(CIMAGE_copy, GB_INTEGER x; GB_INTEGER y; GB_INTEGER w; GB_INTEGER h)
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CIMAGE *image;
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int x = VARGOPT(x, 0);
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int y = VARGOPT(y, 0);
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int w = VARGOPT(w, THIS_IMAGE->width);
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int h = VARGOPT(h, THIS_IMAGE->height);
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GB.New(POINTER(&image), GB.FindClass("Image"), NULL, NULL);
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IMAGE_create(&image->image, w, h, THIS_IMAGE->format);
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IMAGE_bitblt(&image->image, 0, 0, THIS_IMAGE, x, y, w, h);
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GB.ReturnObject(image);
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END_METHOD
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BEGIN_METHOD(CIMAGE_resize, GB_INTEGER width; GB_INTEGER height)
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GB_IMG tmp;
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int w = VARG(width);
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int h = VARG(height);
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if (w < 0) w = THIS_IMAGE->width;
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if (h < 0) h = THIS_IMAGE->height;
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//IMAGE_convert(THIS_IMAGE, IMAGE_get_default_format());
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//fprintf(stderr, "format = %d\n", THIS_IMAGE->format);
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tmp.ob = THIS_IMAGE->ob;
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IMAGE_create(&tmp, w, h, THIS_IMAGE->format);
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IMAGE_bitblt(&tmp, 0, 0, THIS_IMAGE, 0, 0, w, h);
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IMAGE_delete(THIS_IMAGE);
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*THIS_IMAGE = tmp;
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GB.ReturnObject(THIS);
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END_METHOD
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BEGIN_METHOD(CIMAGE_mirror, GB_BOOLEAN horz; GB_BOOLEAN vert)
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GB_IMG tmp;
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tmp.ob = THIS_IMAGE->ob;
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IMAGE_create(&tmp, THIS_IMAGE->width, THIS_IMAGE->height, THIS_IMAGE->format);
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IMAGE_mirror(THIS_IMAGE, &tmp, VARG(horz), VARG(vert));
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IMAGE_delete(THIS_IMAGE);
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*THIS_IMAGE = tmp;
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GB.ReturnObject(THIS);
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END_METHOD
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#if 0
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BEGIN_METHOD(CIMAGE_transform, GB_FLOAT sx; GB_FLOAT sy; GB_FLOAT dx; GB_FLOAT dy)
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CIMAGE *image;
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int w, h;
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double dx = VARG(dx);
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double dy = VARG(dy);
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double f, s;
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GB.New(POINTER(&image), GB.FindClass("Image"), NULL, NULL);
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GB.ReturnObject(image);
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f = fabs(dx);
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if (f > fabs(dy))
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f = fabs(dy);
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s = 1 / sqrt(dx * dx + dy * dy);
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w = (int)(THIS_IMAGE->width * (1.0 + f) * s + 0.5);
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h = (int)(THIS_IMAGE->height * (1.0 + f) * s + 0.5);
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if (!w || !h)
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return;
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IMAGE_create(&image->image, w, h, THIS_IMAGE->format);
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IMAGE_transform(&image->image, THIS_IMAGE, VARG(sx), VARG(sy), VARG(dx), VARG(dy));
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END_METHOD
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#endif
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GB_DESC CImageDesc[] =
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{
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GB_DECLARE("Image", sizeof(CIMAGE)),
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GB_CONSTANT("Standard", "i", 0),
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GB_CONSTANT("Premultiplied", "i", 1),
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GB_METHOD("_new", NULL, CIMAGE_new, "[(Width)i(Height)i(Color)i(Format)i]"),
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GB_METHOD("_free", NULL, CIMAGE_free, NULL),
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GB_METHOD("_get", "i", CIMAGE_get, "(X)i(Y)i"),
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GB_METHOD("_put", NULL, CIMAGE_put, "(Color)i(X)i(Y)i"),
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//GB_PROPERTY_READ("Format", "i", CIMAGE_format),
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GB_PROPERTY_READ("Width", "i", CIMAGE_width),
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GB_PROPERTY_READ("Height", "i", CIMAGE_height),
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GB_PROPERTY_READ("W", "i", CIMAGE_width),
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GB_PROPERTY_READ("H", "i", CIMAGE_height),
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GB_PROPERTY_READ("Depth", "i", CIMAGE_depth),
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GB_PROPERTY_READ("Data", "p", CIMAGE_data),
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GB_METHOD("Clear", "Image", CIMAGE_clear, NULL),
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GB_METHOD("Fill", "Image", CIMAGE_fill, "(Color)i"),
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GB_METHOD("Gray", "Image", CIMAGE_gray, NULL),
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GB_METHOD("Transparent", "Image", CIMAGE_transparent, "[(Color)i]"),
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GB_METHOD("Replace", "Image", CIMAGE_replace, "(OldColor)i(NewColor)i[(NotEqual)b]"),
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GB_METHOD("Colorize", "Image", CIMAGE_colorize, "(Color)i"),
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GB_METHOD("Mask", "Image", CIMAGE_mask, "(Color)i"),
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GB_METHOD("Copy", "Image", CIMAGE_copy, "[(X)i(Y)i(Width)i(Height)i]"),
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GB_METHOD("Resize", "Image", CIMAGE_resize, "(Width)i(Height)i"),
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GB_METHOD("Mirror", "Image", CIMAGE_mirror, "(Horizontal)b(Vertical)b"),
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//GB_METHOD("Transform", "Image", CIMAGE_transform, "(SrcX)f(SrcY)f(DepX)f(DepY)f"),
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//GB_METHOD("Draw", NULL, CIMAGE_draw, "(Image)Image;(X)i(Y)i[(Width)i(Height)i(SrcX)i(SrcY)i(SrcWidth)i(SrcHeight)i]"),
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GB_END_DECLARE
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};
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