usbloadergx/source/libwiigui/gui_imagedata.cpp

191 lines
4.4 KiB
C++

/***************************************************************************
* Copyright (C) 2010
* by Dimok
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
* for WiiXplorer 2010
***************************************************************************/
#include "gui.h"
#include "ImageOperations/TextureConverter.h"
#include "ImageOperations/TplImage.h"
#include "FileOperations/fileops.h"
#include "utils/ResourceManager.h"
#define ALIGN32(x) (((x) + 31) & ~31)
/**
* Constructor for the GuiImageData class.
*/
GuiImageData::GuiImageData(const char * filepath)
{
data = NULL;
width = 0;
height = 0;
format = GX_TF_RGBA8;
u8 *buffer = NULL;
u64 size = 0;
if(LoadFileToMem(filepath, &buffer, &size) < 0)
return;
LoadImage(buffer, size);
if(buffer)
free(buffer);
}
GuiImageData::GuiImageData(const u8 * img, int imgSize)
{
data = NULL;
width = 0;
height = 0;
format = GX_TF_RGBA8;
if(ResourceManager::Exists(img, imgSize) == true)
{
GuiImageData * Image = ResourceManager::GetImageData(img, imgSize);
data = Image->GetImage();
width = Image->GetWidth();
height = Image->GetHeight();
format = Image->GetTextureFormat();
}
else
{
LoadImage(img, imgSize);
}
}
/**
* Destructor for the GuiImageData class.
*/
GuiImageData::~GuiImageData()
{
if(data)
ResourceManager::Remove(data);
}
void GuiImageData::LoadImage(const u8 * img, int imgSize)
{
if(!img)
return;
if(data)
{
free(data);
data = NULL;
}
if (imgSize < 8)
{
return;
}
else if (img[0] == 0x89 && img[1] == 'P' && img[2] == 'N' && img[3] == 'G')
{
// IMAGE_PNG
LoadPNG(img, imgSize);
}
else if (img[0] == 0xFF && img[1] == 0xD8)
{
// IMAGE_JPEG
LoadJpeg(img, imgSize);
}
else if (img[0] == 'B' && img[1] == 'M')
{
// IMAGE_BMP
LoadBMP(img, imgSize);
}
else if (img[0] == 'G' && img[1] == 'I' && img[2] == 'F')
{
// IMAGE_GIF
LoadGIF(img, imgSize);
}
else if (img[0] == 0x00 && img[1] == 0x20 && img[2] == 0xAF && img[3] == 0x30)
{
// IMAGE_TPL
LoadTPL(img, imgSize);
}
}
void GuiImageData::LoadPNG(const u8 *img, int imgSize)
{
gdImagePtr gdImg = gdImageCreateFromPngPtr(imgSize, (u8*) img);
if(gdImg == 0)
return;
data = GDImageToRGBA8(&gdImg, &width, &height);
gdImageDestroy(gdImg);
}
void GuiImageData::LoadJpeg(const u8 *img, int imgSize)
{
gdImagePtr gdImg = gdImageCreateFromJpegPtr(imgSize, (u8*) img);
if(gdImg == 0)
return;
data = GDImageToRGBA8(&gdImg, &width, &height);
gdImageDestroy(gdImg);
}
void GuiImageData::LoadGIF(const u8 *img, int imgSize)
{
gdImagePtr gdImg = gdImageCreateFromGifPtr(imgSize, (u8*) img);
if(gdImg == 0)
return;
data = GDImageToRGBA8(&gdImg, &width, &height);
gdImageDestroy(gdImg);
}
void GuiImageData::LoadBMP(const u8 *img, int imgSize)
{
gdImagePtr gdImg = gdImageCreateFromBmpPtr(imgSize, (u8*) img);
if(gdImg == 0)
return;
data = GDImageToRGBA8(&gdImg, &width, &height);
gdImageDestroy(gdImg);
}
void GuiImageData::LoadTPL(const u8 *img, int imgSize)
{
TplImage TplFile(img, imgSize);
width = TplFile.GetWidth(0);
height = TplFile.GetHeight(0);
format = (u8) TplFile.GetFormat(0);
const u8 * ImgPtr = TplFile.GetTextureBuffer(0);
if(ImgPtr)
{
int len = ALIGN32(TplFile.GetTextureSize(0));
data = (u8 *) memalign(32, len);
if(!data)
return;
memcpy(data, ImgPtr, len);
DCFlushRange(data, len);
}
}