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//Copyright Paul Reiche, Fred Ford. 1992-2002
/*
* 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 of the License, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef LIBS_GRAPHICS_CONTEXT_H_
#define LIBS_GRAPHICS_CONTEXT_H_
#include "tfb_draw.h"
#include "libs/memlib.h"
typedef UWORD FBK_FLAGS;
#define FBK_DIRTY (1 << 0)
#define FBK_IMAGE (1 << 1)
struct context_desc
{
UWORD Flags;
// Low nibble currently unused
// High nibble contains GRAPHICS_STATUS
Color ForeGroundColor, BackGroundColor;
DrawMode Mode;
FRAME ForeGroundFrame;
FONT Font;
RECT ClipRect;
FRAME FontEffect;
TFB_Image *FontBacking;
FBK_FLAGS BackingFlags;
#ifdef DEBUG
const char *name;
CONTEXT next;
#endif
};
#define AllocContext() HCalloc (sizeof (CONTEXT_DESC))
#define FreeContext HFree
extern CONTEXT _pCurContext;
extern PRIMITIVE _locPrim;
#define _get_context_fg_color() (_pCurContext->ForeGroundColor)
#define _get_context_bg_color() (_pCurContext->BackGroundColor)
#define _get_context_flags() (_pCurContext->Flags)
#define _get_context_fg_frame() (_pCurContext->ForeGroundFrame)
#define _get_context_font() (_pCurContext->Font)
#define _get_context_fbk_flags() (_pCurContext->BackingFlags)
#define _get_context_fonteff() (_pCurContext->FontEffect)
#define _get_context_font_backing() (_pCurContext->FontBacking)
#define _get_context_draw_mode() (_pCurContext->Mode)
#define SwitchContextDrawMode(m) \
{ \
_pCurContext->Mode = (m); \
}
#define SwitchContextForeGroundColor(c) \
{ \
_pCurContext->ForeGroundColor = (c); \
}
#define SwitchContextBackGroundColor(c) \
{ \
_pCurContext->BackGroundColor = (c); \
}
#define SetContextFlags(f) \
{ \
_pCurContext->Flags |= (f); \
}
#define UnsetContextFlags(f) \
{ \
_pCurContext->Flags &= ~(f); \
}
#define SwitchContextFGFrame(f) \
{ \
_pCurContext->ForeGroundFrame = (f); \
}
#define SwitchContextFont(f) \
{ \
_pCurContext->Font = (f); \
SetContextFBkFlags (FBK_DIRTY); \
}
#define SwitchContextBGFunc(f) \
{ \
_pCurContext->BackGroundFunc = (f); \
}
#define SetContextFBkFlags(f) \
{ \
_pCurContext->BackingFlags |= (f); \
}
#define UnsetContextFBkFlags(f) \
{ \
_pCurContext->BackingFlags &= ~(f); \
}
#define SwitchContextFontEffect(f) \
{ \
_pCurContext->FontEffect = (f); \
SetContextFBkFlags (FBK_DIRTY); \
}
typedef BYTE GRAPHICS_STATUS;
extern GRAPHICS_STATUS _GraphicsStatusFlags;
#define GRAPHICS_ACTIVE (GRAPHICS_STATUS)(1 << 0)
#define GRAPHICS_VISIBLE (GRAPHICS_STATUS)(1 << 1)
#define CONTEXT_ACTIVE (GRAPHICS_STATUS)(1 << 2)
#define DRAWABLE_ACTIVE (GRAPHICS_STATUS)(1 << 3)
#define DeactivateGraphics() (_GraphicsStatusFlags &= ~GRAPHICS_ACTIVE)
#define ActivateGraphics() (_GraphicsStatusFlags |= GRAPHICS_ACTIVE)
#define GraphicsActive() (_GraphicsStatusFlags & GRAPHICS_ACTIVE)
#define DeactivateVisible() (_GraphicsStatusFlags &= ~GRAPHICS_VISIBLE)
#define ActivateVisible() (_GraphicsStatusFlags |= GRAPHICS_VISIBLE)
#define DeactivateContext() (_GraphicsStatusFlags &= ~CONTEXT_ACTIVE)
#define ActivateContext() (_GraphicsStatusFlags |= CONTEXT_ACTIVE)
#define ContextActive() (_GraphicsStatusFlags & CONTEXT_ACTIVE)
#define DeactivateDrawable() (_GraphicsStatusFlags &= ~DRAWABLE_ACTIVE)
#define ActivateDrawable() (_GraphicsStatusFlags |= DRAWABLE_ACTIVE)
#define DrawableActive() (_GraphicsStatusFlags & DRAWABLE_ACTIVE)
#define SYSTEM_ACTIVE (GRAPHICS_STATUS)(CONTEXT_ACTIVE | DRAWABLE_ACTIVE)
#define GraphicsSystemActive() \
((_GraphicsStatusFlags & SYSTEM_ACTIVE) == SYSTEM_ACTIVE)
#define GraphicsStatus() \
(_GraphicsStatusFlags & (GRAPHICS_STATUS)(GRAPHICS_ACTIVE \
| GRAPHICS_VISIBLE))
// pValidRect or origin may be NULL
BOOLEAN GetContextValidRect (RECT *pValidRect, POINT *origin);
extern void FixContextFontEffect (void);
#endif /* LIBS_GRAPHICS_CONTEXT_H_ */
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