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/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
Copyright (C) 2010 Red Hat, Inc.
This library 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 2.1 of the License, or (at your option) any later version.
This library 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 this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "common.h"
#include "softtexture.h"
#include "softrenderer.h"
#include "CEGUIImageCodec.h"
#include "CEGUISystem.h"
#include "CEGUIExceptions.h"
namespace CEGUI
{
SoftTexture::SoftTexture(Renderer* owner)
: Texture (owner)
, _surf (NULL)
, _width (0)
, _height (0)
{
}
SoftTexture::SoftTexture(Renderer* owner, uint size)
: Texture (owner)
, _surf (new uint32[size * size])
, _width (size)
, _height (size)
{
}
SoftTexture::SoftTexture(Renderer* owner, const String& filename,
const String& resourceGroup)
: Texture (owner)
, _surf (NULL)
, _width (0)
, _height (0)
{
loadFromFile(filename, resourceGroup);
}
SoftTexture::~SoftTexture()
{
freeSurf();
}
void SoftTexture::freeSurf()
{
_width = _height = 0;
delete[] _surf;
_surf = NULL;
}
void SoftTexture::loadFromFile(const String& filename, const String& resourceGroup)
{
freeSurf();
SoftRenderer* renderer = static_cast<SoftRenderer*>(getRenderer());
RawDataContainer texture_file;
ResourceProvider* resource_provider = System::getSingleton().getResourceProvider();
resource_provider->loadRawDataContainer(filename, texture_file, resourceGroup);
ImageCodec *codec = renderer->getImageCodec();
Texture* res = codec->load(texture_file, this);
resource_provider->unloadRawDataContainer(texture_file);
if (!res) {
throw RendererException("load from file failed");
}
}
void SoftTexture::loadFromMemory(const void* buffPtr, uint buffWidth,
uint buffHeight,
PixelFormat pixelFormat)
{
freeSurf();
_surf = new uint32[buffWidth * buffHeight];
_width = buffWidth;
_height = buffHeight;
switch (pixelFormat) {
case PF_RGBA: {
const uint32_t *src = static_cast<const uint32_t *>(buffPtr);
uint32* line = _surf;
uint32* end_line = _surf + _width * _height;
for (int i = 0; line != end_line; line += _width, i++) {
uint32* pixel = line;
uint32* end_pixel = pixel + _width;
for (; pixel != end_pixel; pixel++, src++) {
((uint8_t*)pixel)[0] = ((uint8_t*)src)[2];
((uint8_t*)pixel)[1] = ((uint8_t*)src)[1];
((uint8_t*)pixel)[2] = ((uint8_t*)src)[0];
((uint8_t*)pixel)[3] = ((uint8_t*)src)[3];
}
}
break;
}
case PF_RGB: {
const uint8_t *src = static_cast<const uint8_t *>(buffPtr);
uint32* line = _surf;
uint32* end_line = _surf + _width * _height;
for (int i = 0; line != end_line; line += _width, i++) {
uint8* pixel = (uint8*)line;
uint8* end_pixel = (uint8*)(line + _width);
for (; pixel != end_pixel; pixel += 4, src += 3) {
pixel[2] = src[0];
pixel[1] = src[1];
pixel[0] = src[2];
pixel[3] = 0xff;
}
}
break;
}
default:
throw RendererException("invalid pixel format");
}
}
}
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