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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* pixelbuffer.h
*
* Thu Nov 10 09:00:37 CET 2011
* Copyright 2011 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#pragma once
#include "colour.h"
#include <cstddef>
namespace GUI
{
class PixelBuffer {
public:
PixelBuffer(size_t width, size_t height);
~PixelBuffer();
void realloc(size_t width, size_t height);
void setPixel(size_t x, size_t y,
unsigned char red,
unsigned char green,
unsigned char blue,
unsigned char alpha);
unsigned char* buf{nullptr};
size_t width{0};
size_t height{0};
};
class PixelBufferAlpha {
public:
PixelBufferAlpha() = default;
PixelBufferAlpha(size_t width, size_t height);
~PixelBufferAlpha();
void realloc(size_t width, size_t height);
void setPixel(size_t x, size_t y,
unsigned char red,
unsigned char green,
unsigned char blue,
unsigned char alpha);
void addPixel(size_t x, size_t y,
unsigned char red,
unsigned char green,
unsigned char blue,
unsigned char alpha);
void addPixel(size_t x, size_t y, const Colour& c);
void pixel(size_t x, size_t y,
unsigned char* red,
unsigned char* green,
unsigned char* blue,
unsigned char* alpha) const;
bool managed{false};
unsigned char* buf{nullptr};
std::size_t width{0};
std::size_t height{0};
int x{0};
int y{0};
bool dirty{true};
};
} // GUI::
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