mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-09-09 09:03:20 +02:00
172 lines
3.0 KiB
C++
172 lines
3.0 KiB
C++
![]() |
/****************************************************************************
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* libwiigui
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*
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* Tantric 2009
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*
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* gui_imagedata.cpp
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*
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* GUI class definitions
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***************************************************************************/
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#include "gui.h"
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/**
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* Constructor for the GuiImageData class.
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*/
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GuiImageData::GuiImageData(const u8 * img)
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{
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data = NULL;
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width = 0;
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height = 0;
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if(img)
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{
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PNGUPROP imgProp;
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IMGCTX ctx = PNGU_SelectImageFromBuffer(img);
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if(!ctx)
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return;
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int res = PNGU_GetImageProperties(ctx, &imgProp);
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if(res == PNGU_OK)
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{
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int len = imgProp.imgWidth * imgProp.imgHeight * 4;
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if(len%32) len += (32-len%32);
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data = (u8 *)memalign (32, len);
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if(data)
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{
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res = PNGU_DecodeTo4x4RGBA8 (ctx, imgProp.imgWidth, imgProp.imgHeight, data, 255);
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if(res == PNGU_OK)
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{
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width = imgProp.imgWidth;
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height = imgProp.imgHeight;
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DCFlushRange(data, len);
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}
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else
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{
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free(data);
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data = NULL;
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}
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}
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}
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PNGU_ReleaseImageContext (ctx);
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}
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}
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/**
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* Constructor for the GuiImageData class.
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*/
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GuiImageData::GuiImageData(const char * imgPath, const u8 * buffer)
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{
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data = NULL;
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width = 0;
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height = 0;
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if(imgPath)
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{
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PNGUPROP imgProp;
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IMGCTX ctx = PNGU_SelectImageFromDevice(imgPath);
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if(ctx)
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{
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int res = PNGU_GetImageProperties(ctx, &imgProp);
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if(res == PNGU_OK)
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{
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int len = imgProp.imgWidth * imgProp.imgHeight * 4;
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if(len%32) len += (32-len%32);
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data = (u8 *)memalign (32, len);
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if(data)
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{
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res = PNGU_DecodeTo4x4RGBA8 (ctx, imgProp.imgWidth, imgProp.imgHeight, data, 255);
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if(res == PNGU_OK)
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{
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width = imgProp.imgWidth;
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height = imgProp.imgHeight;
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DCFlushRange(data, len);
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}
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else
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{
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free(data);
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data = NULL;
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}
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}
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}
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PNGU_ReleaseImageContext (ctx);
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}
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}
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if (!data) //use buffer data instead
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{
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width = 0;
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height = 0;
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if(buffer)
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{
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PNGUPROP imgProp;
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IMGCTX ctx = PNGU_SelectImageFromBuffer(buffer);
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if(!ctx)
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return;
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int res = PNGU_GetImageProperties(ctx, &imgProp);
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if(res == PNGU_OK)
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{
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int len = imgProp.imgWidth * imgProp.imgHeight * 4;
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if(len%32) len += (32-len%32);
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data = (u8 *)memalign (32, len);
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if(data)
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{
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res = PNGU_DecodeTo4x4RGBA8 (ctx, imgProp.imgWidth, imgProp.imgHeight, data, 255);
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if(res == PNGU_OK)
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{
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width = imgProp.imgWidth;
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height = imgProp.imgHeight;
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DCFlushRange(data, len);
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}
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else
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{
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free(data);
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data = NULL;
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}
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}
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}
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PNGU_ReleaseImageContext (ctx);
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}
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}
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}
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/**
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* Destructor for the GuiImageData class.
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*/
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GuiImageData::~GuiImageData()
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{
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if(data)
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{
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free(data);
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data = NULL;
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}
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}
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u8 * GuiImageData::GetImage()
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{
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return data;
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}
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int GuiImageData::GetWidth()
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{
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return width;
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}
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int GuiImageData::GetHeight()
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{
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return height;
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}
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