101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
//------------------------------------------------------------------------------
|
|
// Copyright (c) 2001-2002, Haiku, Inc.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the "Software"),
|
|
// to deal in the Software without restriction, including without limitation
|
|
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
// and/or sell copies of the Software, and to permit persons to whom the
|
|
// Software is furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
// DEALINGS IN THE SOFTWARE.
|
|
//
|
|
// File Name: PatternHandler.h
|
|
// Author: DarkWyrm <bpmagic@columbus.rr.com>
|
|
// Description: Class for easy calculation and use of patterns
|
|
//
|
|
//------------------------------------------------------------------------------
|
|
#ifndef PATTERNHADLER_H
|
|
#define PATTERNHADLER_H
|
|
|
|
#include <SupportDefs.h>
|
|
#include "RGBColor.h"
|
|
|
|
class Pattern
|
|
{
|
|
public:
|
|
|
|
Pattern(void) {}
|
|
|
|
Pattern(const uint64 &pat) { _pat.type64=pat; }
|
|
|
|
Pattern(int8 *pat) { _pat.type64=*((uint64*)pat); }
|
|
|
|
Pattern(const Pattern &src) { _pat.type64=src._pat.type64; }
|
|
|
|
const int8 *GetInt8(void) const { return _pat.type8; }
|
|
|
|
uint64 GetInt64(void) const { return _pat.type64; }
|
|
|
|
void Set(int8 *pat) { _pat.type64=*((uint64*)pat); }
|
|
|
|
void Set(const uint64 &pat) { _pat.type64=pat; }
|
|
|
|
Pattern & operator=(const Pattern &from) { _pat.type64=from._pat.type64; return *this; }
|
|
Pattern & operator=(const int64 &from) { _pat.type64=from; return *this; }
|
|
private:
|
|
|
|
typedef union
|
|
{
|
|
uint64 type64;
|
|
int8 type8[8];
|
|
} pattern_union;
|
|
|
|
pattern_union _pat;
|
|
};
|
|
|
|
/*!
|
|
\brief Class for easy calculation and use of patterns
|
|
|
|
PatternHandlers are designed specifically for DisplayDriver subclasses.
|
|
Pattern support can be easily added by setting the pattern to use via
|
|
SetTarget, and then merely retrieving the value for the coordinates
|
|
specified.
|
|
*/
|
|
class PatternHandler
|
|
{
|
|
public:
|
|
PatternHandler(void);
|
|
PatternHandler(int8 *pat);
|
|
PatternHandler(const uint64 &pat);
|
|
PatternHandler(const Pattern &pat);
|
|
~PatternHandler(void);
|
|
void SetTarget(int8 *pat);
|
|
void SetTarget(const uint64 &pat);
|
|
void SetTarget(const Pattern &pat);
|
|
void SetColors(const RGBColor &high, const RGBColor &low);
|
|
RGBColor GetColor(const BPoint &pt);
|
|
RGBColor GetColor(const float &x, const float &y);
|
|
bool GetValue(const float &x, const float &y);
|
|
bool GetValue(const BPoint &pt);
|
|
pattern *GetR5Pattern(void) { return (pattern*)_pat.GetInt8(); }
|
|
private:
|
|
Pattern _pat;
|
|
RGBColor *_high,*_low;
|
|
};
|
|
|
|
extern const Pattern pat_solidhigh;
|
|
extern const Pattern pat_solidlow;
|
|
extern const Pattern pat_mixedcolors;
|
|
|
|
#endif
|