5839e98745
* NEW: Image.Opacity() is a new method that changes the opacity of an image. git-svn-id: svn://localhost/gambas/trunk@4658 867c0c6c-44f3-4631-809d-bfa615b0a4ec
384 lines
9.8 KiB
C
384 lines
9.8 KiB
C
/***************************************************************************
|
|
|
|
CImage.c
|
|
|
|
(c) 2000-2012 Benoît 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 2, 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., 51 Franklin Street, Fifth Floor, Boston,
|
|
MA 02110-1301, USA.
|
|
|
|
***************************************************************************/
|
|
|
|
#define __CIMAGE_C
|
|
|
|
#include "main.h"
|
|
#include "image.h"
|
|
#include "CImage.h"
|
|
|
|
BEGIN_METHOD(Image_new, GB_INTEGER w; GB_INTEGER h; GB_INTEGER col; GB_INTEGER format)
|
|
|
|
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(Image_free)
|
|
|
|
IMAGE_delete(THIS_IMAGE);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_PROPERTY(Image_Width)
|
|
|
|
GB.ReturnInteger(THIS_IMAGE->width);
|
|
|
|
END_PROPERTY
|
|
|
|
BEGIN_PROPERTY(Image_Height)
|
|
|
|
GB.ReturnInteger(THIS_IMAGE->height);
|
|
|
|
END_PROPERTY
|
|
|
|
BEGIN_PROPERTY(Image_Depth)
|
|
|
|
GB.ReturnInteger(32);
|
|
|
|
END_PROPERTY
|
|
|
|
BEGIN_METHOD(Image_Fill, GB_INTEGER col)
|
|
|
|
IMAGE_fill(THIS_IMAGE, VARG(col));
|
|
GB.ReturnObject(THIS);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD(Image_FillRect, GB_INTEGER x; GB_INTEGER y; GB_INTEGER width; GB_INTEGER height; GB_INTEGER col)
|
|
|
|
IMAGE_fill_rect(THIS_IMAGE, VARG(x), VARG(y), VARG(width), VARG(height), VARG(col), TRUE);
|
|
GB.ReturnObject(THIS);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD(Image_PaintRect, GB_INTEGER x; GB_INTEGER y; GB_INTEGER width; GB_INTEGER height; GB_INTEGER col)
|
|
|
|
IMAGE_fill_rect(THIS_IMAGE, VARG(x), VARG(y), VARG(width), VARG(height), VARG(col), FALSE);
|
|
GB.ReturnObject(THIS);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD(Image_get, GB_INTEGER x; GB_INTEGER y)
|
|
|
|
GB.ReturnInteger(IMAGE_get_pixel(THIS_IMAGE, VARG(x), VARG(y)));
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD(Image_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(Image_Data)
|
|
|
|
GB.ReturnPointer((void *)THIS_IMAGE->data);
|
|
|
|
END_PROPERTY
|
|
|
|
BEGIN_METHOD_VOID(Image_Desaturate)
|
|
|
|
IMAGE_make_gray(THIS_IMAGE);
|
|
GB.ReturnObject(THIS);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD_VOID(Image_Gray)
|
|
|
|
fprintf(stderr, "warning: Image.Gray is deprecated, use Image.Desaturate instead.\n");
|
|
Image_Desaturate(_object, _param);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD_VOID(Image_Clear)
|
|
|
|
//IMAGE_fill(THIS_IMAGE, 0XFF000000);
|
|
IMAGE_delete(THIS_IMAGE);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD(Image_Replace, GB_INTEGER src; GB_INTEGER dst; GB_BOOLEAN noteq)
|
|
|
|
IMAGE_replace(THIS_IMAGE, VARG(src), VARG(dst), VARGOPT(noteq, FALSE));
|
|
GB.ReturnObject(THIS);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD(Image_Erase, GB_INTEGER color)
|
|
|
|
IMAGE_make_transparent(THIS_IMAGE, VARGOPT(color, 0xFFFFFF));
|
|
GB.ReturnObject(THIS);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD_VOID(Image_Transparent)
|
|
|
|
fprintf(stderr, "warning: Image.Transparent is deprecated, use Image.Erase instead.\n");
|
|
Image_Erase(_object, _param);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD(Image_Colorize, GB_INTEGER color)
|
|
|
|
IMAGE_colorize(THIS_IMAGE, VARG(color));
|
|
GB.ReturnObject(THIS);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD(Image_Mask, GB_INTEGER color)
|
|
|
|
IMAGE_mask(THIS_IMAGE, VARG(color));
|
|
GB.ReturnObject(THIS);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD(Image_Copy, GB_INTEGER x; GB_INTEGER y; GB_INTEGER w; GB_INTEGER h)
|
|
|
|
CIMAGE *image;
|
|
int x = VARGOPT(x, 0);
|
|
int y = VARGOPT(y, 0);
|
|
int w = VARGOPT(w, THIS_IMAGE->width);
|
|
int h = VARGOPT(h, THIS_IMAGE->height);
|
|
|
|
image = GB.New(GB.FindClass("Image"), NULL, NULL);
|
|
|
|
IMAGE_create(&image->image, w, h, THIS_IMAGE->format);
|
|
IMAGE_bitblt(&image->image, 0, 0, -1, -1, THIS_IMAGE, x, y, w, h);
|
|
|
|
GB.ReturnObject(image);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD(Image_Resize, GB_INTEGER width; GB_INTEGER height)
|
|
|
|
GB_IMG tmp;
|
|
int w = VARG(width);
|
|
int h = VARG(height);
|
|
|
|
if (w < 0) w = THIS_IMAGE->width;
|
|
if (h < 0) h = THIS_IMAGE->height;
|
|
|
|
//IMAGE_convert(THIS_IMAGE, IMAGE_get_default_format());
|
|
//fprintf(stderr, "format = %d\n", THIS_IMAGE->format);
|
|
tmp.ob = THIS_IMAGE->ob;
|
|
IMAGE_create(&tmp, w, h, THIS_IMAGE->format);
|
|
IMAGE_bitblt(&tmp, 0, 0, -1, -1, THIS_IMAGE, 0, 0, w, h);
|
|
|
|
IMAGE_delete(THIS_IMAGE);
|
|
*THIS_IMAGE = tmp;
|
|
GB.ReturnObject(THIS);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD(Image_Mirror, GB_BOOLEAN horz; GB_BOOLEAN vert)
|
|
|
|
GB_IMG tmp;
|
|
|
|
tmp.ob = THIS_IMAGE->ob;
|
|
IMAGE_create(&tmp, THIS_IMAGE->width, THIS_IMAGE->height, THIS_IMAGE->format);
|
|
IMAGE_mirror(THIS_IMAGE, &tmp, VARG(horz), VARG(vert));
|
|
|
|
IMAGE_delete(THIS_IMAGE);
|
|
*THIS_IMAGE = tmp;
|
|
GB.ReturnObject(THIS);
|
|
|
|
END_METHOD
|
|
|
|
#if 0
|
|
BEGIN_METHOD(CIMAGE_transform, GB_FLOAT sx; GB_FLOAT sy; GB_FLOAT dx; GB_FLOAT dy)
|
|
|
|
CIMAGE *image;
|
|
int w, h;
|
|
double dx = VARG(dx);
|
|
double dy = VARG(dy);
|
|
double f, s;
|
|
|
|
GB.New(POINTER(&image), GB.FindClass("Image"), NULL, NULL);
|
|
GB.ReturnObject(image);
|
|
|
|
f = fabs(dx);
|
|
if (f > fabs(dy))
|
|
f = fabs(dy);
|
|
|
|
s = 1 / sqrt(dx * dx + dy * dy);
|
|
|
|
w = (int)(THIS_IMAGE->width * (1.0 + f) * s + 0.5);
|
|
h = (int)(THIS_IMAGE->height * (1.0 + f) * s + 0.5);
|
|
|
|
if (!w || !h)
|
|
return;
|
|
|
|
IMAGE_create(&image->image, w, h, THIS_IMAGE->format);
|
|
IMAGE_transform(&image->image, THIS_IMAGE, VARG(sx), VARG(sy), VARG(dx), VARG(dy));
|
|
|
|
END_METHOD
|
|
#endif
|
|
|
|
BEGIN_METHOD(Image_DrawAlpha, GB_OBJECT image; GB_INTEGER x; GB_INTEGER y; GB_INTEGER srcx; GB_INTEGER srcy; GB_INTEGER srcw; GB_INTEGER srch)
|
|
|
|
CIMAGE *image = VARG(image);
|
|
|
|
if (GB.CheckObject(image))
|
|
return;
|
|
|
|
IMAGE_draw_alpha(THIS_IMAGE, VARGOPT(x, 0), VARGOPT(y, 0), &image->image, VARGOPT(srcx, 0), VARGOPT(srcy, 0), VARGOPT(srcw, -1), VARGOPT(srch, -1));
|
|
GB.ReturnObject(THIS);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD(Image_DrawImage, GB_OBJECT image; GB_INTEGER x; GB_INTEGER y; GB_INTEGER w; GB_INTEGER h; GB_INTEGER srcx; GB_INTEGER srcy; GB_INTEGER srcw; GB_INTEGER srch)
|
|
|
|
CIMAGE *image = VARG(image);
|
|
|
|
if (GB.CheckObject(image))
|
|
return;
|
|
|
|
IMAGE_bitblt(THIS_IMAGE, VARGOPT(x, 0), VARGOPT(y, 0), VARGOPT(w, -1), VARGOPT(h, -1), &image->image, VARGOPT(srcx, 0), VARGOPT(srcy, 0), VARGOPT(srcw, -1), VARGOPT(srch, -1));
|
|
GB.ReturnObject(THIS);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_METHOD(Image_PaintImage, GB_OBJECT image; GB_INTEGER x; GB_INTEGER y; GB_INTEGER w; GB_INTEGER h; GB_INTEGER srcx; GB_INTEGER srcy; GB_INTEGER srcw; GB_INTEGER srch)
|
|
|
|
CIMAGE *image = VARG(image);
|
|
|
|
if (GB.CheckObject(image))
|
|
return;
|
|
|
|
IMAGE_compose(THIS_IMAGE, VARGOPT(x, 0), VARGOPT(y, 0), VARGOPT(w, -1), VARGOPT(h, -1), &image->image, VARGOPT(srcx, 0), VARGOPT(srcy, 0), VARGOPT(srcw, -1), VARGOPT(srch, -1));
|
|
GB.ReturnObject(THIS);
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_PROPERTY(Image_Format)
|
|
|
|
char *format;
|
|
int fmt;
|
|
|
|
if (READ_PROPERTY)
|
|
{
|
|
GB.ReturnConstZeroString(IMAGE_format_to_string(THIS_IMAGE->format));
|
|
}
|
|
else
|
|
{
|
|
format = GB.ToZeroString(PROP(GB_STRING));
|
|
|
|
if (!strcasecmp(format, "BGRA"))
|
|
fmt = GB_IMAGE_BGRA;
|
|
else if (!strcasecmp(format, "BGRP"))
|
|
fmt = GB_IMAGE_BGRP;
|
|
else if (!strcasecmp(format, "RGBA"))
|
|
fmt = GB_IMAGE_RGBA;
|
|
else if (!strcasecmp(format, "RGBP"))
|
|
fmt = GB_IMAGE_RGBP;
|
|
else
|
|
{
|
|
GB.Error("Unsupported conversion");
|
|
return;
|
|
}
|
|
|
|
IMAGE_convert(THIS_IMAGE, fmt);
|
|
}
|
|
|
|
END_PROPERTY
|
|
|
|
BEGIN_PROPERTY(Image_Debug)
|
|
|
|
if (READ_PROPERTY)
|
|
GB.ReturnBoolean(IMAGE_debug);
|
|
else
|
|
IMAGE_debug = VPROP(GB_BOOLEAN);
|
|
|
|
END_PROPERTY
|
|
|
|
BEGIN_METHOD(Image_Opacity, GB_FLOAT opacity)
|
|
|
|
int alpha = VARG(opacity) * 255;
|
|
|
|
if (alpha < 0)
|
|
alpha = 0;
|
|
else if (alpha > 255)
|
|
alpha = 255;
|
|
|
|
IMAGE_set_opacity(THIS_IMAGE, (uchar)alpha);
|
|
GB.ReturnObject(THIS);
|
|
|
|
END_METHOD
|
|
|
|
GB_DESC CImageDesc[] =
|
|
{
|
|
GB_DECLARE("Image", sizeof(CIMAGE)),
|
|
|
|
GB_CONSTANT("Standard", "i", 0),
|
|
GB_CONSTANT("Premultiplied", "i", 1),
|
|
|
|
GB_STATIC_PROPERTY("Debug", "b", Image_Debug),
|
|
|
|
GB_METHOD("_new", NULL, Image_new, "[(Width)i(Height)i(Color)i(Format)i]"),
|
|
GB_METHOD("_free", NULL, Image_free, NULL),
|
|
|
|
GB_METHOD("_get", "i", Image_get, "(X)i(Y)i"),
|
|
GB_METHOD("_put", NULL, Image_put, "(Color)i(X)i(Y)i"),
|
|
|
|
GB_PROPERTY_READ("Width", "i", Image_Width),
|
|
GB_PROPERTY_READ("Height", "i", Image_Height),
|
|
GB_PROPERTY_READ("W", "i", Image_Width),
|
|
GB_PROPERTY_READ("H", "i", Image_Height),
|
|
GB_PROPERTY_READ("Depth", "i", Image_Depth),
|
|
GB_PROPERTY_READ("Data", "p", Image_Data),
|
|
GB_PROPERTY("Format", "s", Image_Format),
|
|
|
|
GB_METHOD("Clear", NULL, Image_Clear, NULL),
|
|
GB_METHOD("Fill", "Image", Image_Fill, "(Color)i"),
|
|
GB_METHOD("Gray", "Image", Image_Gray, NULL),
|
|
GB_METHOD("Transparent", "Image", Image_Transparent, "[(Color)i]"),
|
|
GB_METHOD("Desaturate", "Image", Image_Desaturate, NULL),
|
|
GB_METHOD("Erase", "Image", Image_Erase, "[(Color)i]"),
|
|
GB_METHOD("Replace", "Image", Image_Replace, "(OldColor)i(NewColor)i[(NotEqual)b]"),
|
|
GB_METHOD("Colorize", "Image", Image_Colorize, "(Color)i"),
|
|
GB_METHOD("Mask", "Image", Image_Mask, "(Color)i"),
|
|
GB_METHOD("Opacity", "Image", Image_Opacity, "(Opacity)f"),
|
|
|
|
GB_METHOD("Copy", "Image", Image_Copy, "[(X)i(Y)i(Width)i(Height)i]"),
|
|
GB_METHOD("Resize", "Image", Image_Resize, "(Width)i(Height)i"),
|
|
|
|
GB_METHOD("Mirror", "Image", Image_Mirror, "(Horizontal)b(Vertical)b"),
|
|
|
|
GB_METHOD("FillRect", "Image", Image_FillRect, "(X)i(Y)i(Width)i(Height)i(Color)i"),
|
|
GB_METHOD("PaintRect", "Image", Image_PaintRect, "(X)i(Y)i(Width)i(Height)i(Color)i"),
|
|
GB_METHOD("DrawAlpha", "Image", Image_DrawAlpha, "(Image)Image;[(X)i(Y)i(SrcX)i(SrcY)i(SrcWidth)i(SrcHeight)i]"),
|
|
|
|
GB_METHOD("DrawImage", "Image", Image_DrawImage, "(Image)Image;[(X)i(Y)i(Width)i(Height)i(SrcX)i(SrcY)i(SrcWidth)i(SrcHeight)i]"),
|
|
GB_METHOD("PaintImage", "Image", Image_PaintImage, "(Image)Image;[(X)i(Y)i(Width)i(Height)i(SrcX)i(SrcY)i(SrcWidth)i(SrcHeight)i]"),
|
|
|
|
GB_END_DECLARE
|
|
};
|
|
|