gambas-source-code/main/lib/draw/gb.draw.h

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/***************************************************************************
gb.draw.h
(c) 2000-2017 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.
***************************************************************************/
#ifndef __GB_DRAW_H
#define __GB_DRAW_H
#include "gb_common.h"
#include "gambas.h"
#define GB_DRAW_ALIGN_DEFAULT (-1)
[INFORMER] * BUG: The informer algorithm was redesigned. Now a sub-process is launched for each component that should be analyzed, and LD_PRELOAD is used to load the component shared library before the process is launched. Otherwise, some component may crash. [GB.DRAW] * BUG: Correctly initialize color properties of the Draw class at Draw.Begin(). * NEW: Draw.FillRect() is a new method to draw a filled rectangle with the specified color. * NEW: Draw.Clear() is a new method that clears the drawing device with its background color. [GB.FORM.MDI] * NEW: Do not use BackColor and ForeColor properties anymore. [GB.GTK] * NEW: Control.Backcolor and Control.Forecolor properties were removed. * BUG: Desktop.Resolution now uses the accurate GTK+ API. * BUG: Setting the ListBox.List to NULL property does not lock the ListBox control anymore. * BUG: Fix the Font object management. Using Font properties should not crash anymore. * BUG: Image.Save() and Picture.Save() now understand the "~" shortcut in path names. [GB.QT] * NEW: Control.Backcolor and Control.Forecolor properties were removed. * NEW: Do not check if we should quit too often. * NEW: Allow windows to be closed during a WAIT instruction as in other components. I do not know why it was forbidden before. * NEW: Prevent a crash in arrangement routines if a child widget is not associated with a Gambas control anymore. [GB.QT4] * NEW: Control.Backcolor and Control.Forecolor properties were removed. * NEW: The source code is now up to date with gb.qt. But many things do not work as expected! [GB.QT4.EXT] * NEW: The source code is now up to date with gb.qt.ext. But many things do not work as expected! git-svn-id: svn://localhost/gambas/trunk@1776 867c0c6c-44f3-4631-809d-bfa615b0a4ec
2009-01-03 23:24:02 +01:00
#define GB_DRAW_COLOR_DEFAULT (-1)
enum {
GB_DRAW_STATE_NORMAL = 0,
GB_DRAW_STATE_DISABLED = 1,
GB_DRAW_STATE_FOCUS = 2,
GB_DRAW_STATE_HOVER = 4,
GB_DRAW_STATE_ACTIVE = 8
};
typedef
void *GB_PICTURE;
typedef
struct {
int width;
int height;
}
GB_PICTURE_INFO;
#ifndef __GB_IMAGE_DEFINED
#define __GB_IMAGE_DEFINED
typedef
void *GB_IMAGE;
#endif
#ifndef __GB_COLOR_DEFINED
#define __GB_COLOR_DEFINED
typedef
unsigned int GB_COLOR;
#endif
typedef
void *GB_FONT;
#define DRAW_INTERFACE_VERSION 1
typedef
struct {
int version;
struct {
void *(*GetCurrent)();
void (*Begin)(void *);
void (*End)();
bool (*IsPainted)(void *);
}
Paint;
}
DRAW_INTERFACE;
#define DRAW_NORMALIZE(x, y, w, h, sx, sy, sw, sh, width, height) \
if (sw < 0) sw = width; \
if (sh < 0) sh = height; \
if (w < 0) w = sw; \
if (h < 0) h = sh; \
if (sx < 0) sw += sx, sx = 0; \
if (sy < 0) sh += sy, sy = 0; \
if (sw > ((width) - sx)) \
sw = ((width) - sx); \
if (sh > ((height) - sy)) \
sh = ((height) - sy); \
if (sx >= (width) || sy >= (height) || sw <= 0 || sh <= 0) \
return;
#endif