mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-09-08 08:33:19 +02:00
447 lines
9.4 KiB
C++
447 lines
9.4 KiB
C++
/****************************************************************************
|
|
* libwiigui
|
|
*
|
|
* Tantric 2009
|
|
*
|
|
* gui_imagedata.cpp
|
|
*
|
|
* LoadJpeg copyright by r-win for WiiXplorer
|
|
* check WiiXplorer source for license conditions
|
|
*
|
|
* GUI class definitions
|
|
***************************************************************************/
|
|
|
|
#include "gui.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
#include <jpeglib.h>
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#define new_width 640
|
|
#define new_height 480
|
|
|
|
/**
|
|
* Constructor for the GuiImageData class.
|
|
*/
|
|
|
|
extern int idiotFlag;
|
|
extern char idiotChar[50];
|
|
GuiImageData::GuiImageData(const u8 * img)
|
|
{
|
|
data = NULL;
|
|
width = 0;
|
|
height = 0;
|
|
|
|
if(img)
|
|
{
|
|
PNGUPROP imgProp;
|
|
IMGCTX ctx = PNGU_SelectImageFromBuffer(img);
|
|
|
|
if(!ctx)
|
|
return;
|
|
|
|
int res = PNGU_GetImageProperties(ctx, &imgProp);
|
|
//if (((4%imgProp.imgWidth)!=0)||((4%imgProp.imgHeight)!=0))idiotFlag=1;
|
|
|
|
if(res == PNGU_OK)
|
|
{
|
|
int len = imgProp.imgWidth * imgProp.imgHeight * 4;
|
|
if(len%32) len += (32-len%32);
|
|
data = (u8 *)memalign (32, len);
|
|
|
|
if(data)
|
|
{
|
|
res = PNGU_DecodeTo4x4RGBA8 (ctx, imgProp.imgWidth, imgProp.imgHeight, data, 255);
|
|
|
|
if(res == PNGU_OK)
|
|
{
|
|
width = imgProp.imgWidth;
|
|
height = imgProp.imgHeight;
|
|
DCFlushRange(data, len);
|
|
}
|
|
else
|
|
{
|
|
free(data);
|
|
data = NULL;
|
|
idiotFlag=1;
|
|
snprintf(idiotChar, sizeof(idiotChar), "%s", img);
|
|
|
|
}
|
|
}
|
|
}
|
|
PNGU_ReleaseImageContext (ctx);
|
|
}
|
|
}
|
|
|
|
GuiImageData::GuiImageData(const u8 * img, int imgSize)
|
|
{
|
|
data = NULL;
|
|
width = 0;
|
|
height = 0;
|
|
|
|
if(img)
|
|
{
|
|
if (img[0] == 0xFF && img[1] == 0xD8) { // IMAGE_JPEG
|
|
LoadJpeg(img, imgSize);
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* Constructor for the GuiImageData class.
|
|
*/
|
|
GuiImageData::GuiImageData(const char * imgPath, const u8 * buffer)
|
|
{
|
|
data = NULL;
|
|
width = 0;
|
|
height = 0;
|
|
|
|
if(imgPath)
|
|
{
|
|
PNGUPROP imgProp;
|
|
IMGCTX ctx = PNGU_SelectImageFromDevice(imgPath);
|
|
//if (((4%imgProp.imgWidth)!=0)||((4%imgProp.imgHeight)!=0))idiotFlag=1;
|
|
|
|
if(ctx)
|
|
{
|
|
int res = PNGU_GetImageProperties(ctx, &imgProp);
|
|
|
|
if(res == PNGU_OK)
|
|
{
|
|
int len = imgProp.imgWidth * imgProp.imgHeight * 4;
|
|
if(len%32) len += (32-len%32);
|
|
data = (u8 *)memalign (32, len);
|
|
|
|
if(data)
|
|
{
|
|
res = PNGU_DecodeTo4x4RGBA8 (ctx, imgProp.imgWidth, imgProp.imgHeight, data, 255);
|
|
|
|
if(res == PNGU_OK)
|
|
{
|
|
width = imgProp.imgWidth;
|
|
height = imgProp.imgHeight;
|
|
DCFlushRange(data, len);
|
|
}
|
|
else
|
|
{
|
|
free(data);
|
|
data = NULL;
|
|
idiotFlag=1;
|
|
snprintf(idiotChar, sizeof(idiotChar), "%s", imgPath);
|
|
}
|
|
}
|
|
}
|
|
PNGU_ReleaseImageContext (ctx);
|
|
}
|
|
}
|
|
|
|
if (!data) //use buffer data instead
|
|
{
|
|
width = 0;
|
|
height = 0;
|
|
if(buffer)
|
|
{
|
|
PNGUPROP imgProp;
|
|
IMGCTX ctx = PNGU_SelectImageFromBuffer(buffer);
|
|
|
|
if(!ctx)
|
|
return;
|
|
|
|
int res = PNGU_GetImageProperties(ctx, &imgProp);
|
|
|
|
if(res == PNGU_OK)
|
|
{
|
|
int len = imgProp.imgWidth * imgProp.imgHeight * 4;
|
|
if(len%32) len += (32-len%32);
|
|
data = (u8 *)memalign (32, len);
|
|
|
|
if(data)
|
|
{
|
|
res = PNGU_DecodeTo4x4RGBA8 (ctx, imgProp.imgWidth, imgProp.imgHeight, data, 255);
|
|
|
|
if(res == PNGU_OK)
|
|
{
|
|
width = imgProp.imgWidth;
|
|
height = imgProp.imgHeight;
|
|
DCFlushRange(data, len);
|
|
}
|
|
else
|
|
{
|
|
free(data);
|
|
data = NULL;
|
|
}
|
|
}
|
|
}
|
|
PNGU_ReleaseImageContext (ctx);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Constructor for the GuiImageData class.
|
|
*/
|
|
GuiImageData::GuiImageData(const char *path, const char *file, const u8 *buffer, bool force_widescreen/*=false*/, const u8 *wbuffer/*=NULL*/)
|
|
{
|
|
data = NULL;
|
|
width = 0;
|
|
height = 0;
|
|
char path_4_3[100];
|
|
char path_16_9[100];
|
|
char *imgPath;
|
|
|
|
snprintf(path_4_3, sizeof(path_4_3), "%s%s", path, file);
|
|
if(force_widescreen)
|
|
{
|
|
snprintf(path_16_9, sizeof(path_16_9), "%sw%s", path, file);
|
|
imgPath = path_16_9;
|
|
if(wbuffer)
|
|
buffer = wbuffer;
|
|
}
|
|
else
|
|
imgPath = path_4_3;
|
|
|
|
for(;;)
|
|
{
|
|
if(imgPath)
|
|
{
|
|
PNGUPROP imgProp;
|
|
IMGCTX ctx = PNGU_SelectImageFromDevice(imgPath);
|
|
//if (((4%imgProp.imgWidth)!=0)||((4%imgProp.imgHeight)!=0))idiotFlag=1;
|
|
|
|
if(ctx)
|
|
{
|
|
int res = PNGU_GetImageProperties(ctx, &imgProp);
|
|
|
|
if(res == PNGU_OK)
|
|
{
|
|
int len = imgProp.imgWidth * imgProp.imgHeight * 4;
|
|
if(len%32) len += (32-len%32);
|
|
data = (u8 *)memalign (32, len);
|
|
|
|
if(data)
|
|
{
|
|
res = PNGU_DecodeTo4x4RGBA8 (ctx, imgProp.imgWidth, imgProp.imgHeight, data, 255);
|
|
|
|
if(res == PNGU_OK)
|
|
{
|
|
width = imgProp.imgWidth;
|
|
height = imgProp.imgHeight;
|
|
DCFlushRange(data, len);
|
|
}
|
|
else
|
|
{
|
|
free(data);
|
|
data = NULL;
|
|
idiotFlag=1;
|
|
snprintf(idiotChar, sizeof(idiotChar), "%s", imgPath);
|
|
}
|
|
}
|
|
}
|
|
PNGU_ReleaseImageContext (ctx);
|
|
}
|
|
}
|
|
if(data || imgPath == path_4_3)
|
|
break;
|
|
imgPath = path_4_3;
|
|
}
|
|
|
|
if (!data) //use buffer data instead
|
|
{
|
|
width = 0;
|
|
height = 0;
|
|
if(buffer)
|
|
{
|
|
PNGUPROP imgProp;
|
|
IMGCTX ctx = PNGU_SelectImageFromBuffer(buffer);
|
|
|
|
if(!ctx)
|
|
return;
|
|
|
|
int res = PNGU_GetImageProperties(ctx, &imgProp);
|
|
|
|
if(res == PNGU_OK)
|
|
{
|
|
int len = imgProp.imgWidth * imgProp.imgHeight * 4;
|
|
if(len%32) len += (32-len%32);
|
|
data = (u8 *)memalign (32, len);
|
|
|
|
if(data)
|
|
{
|
|
res = PNGU_DecodeTo4x4RGBA8 (ctx, imgProp.imgWidth, imgProp.imgHeight, data, 255);
|
|
|
|
if(res == PNGU_OK)
|
|
{
|
|
width = imgProp.imgWidth;
|
|
height = imgProp.imgHeight;
|
|
DCFlushRange(data, len);
|
|
}
|
|
else
|
|
{
|
|
free(data);
|
|
data = NULL;
|
|
}
|
|
}
|
|
}
|
|
PNGU_ReleaseImageContext (ctx);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Destructor for the GuiImageData class.
|
|
*/
|
|
GuiImageData::~GuiImageData()
|
|
{
|
|
if(data)
|
|
{
|
|
free(data);
|
|
data = NULL;
|
|
}
|
|
}
|
|
|
|
u8 * GuiImageData::GetImage()
|
|
{
|
|
return data;
|
|
}
|
|
|
|
int GuiImageData::GetWidth()
|
|
{
|
|
return width;
|
|
}
|
|
|
|
int GuiImageData::GetHeight()
|
|
{
|
|
return height;
|
|
}
|
|
void GuiImageData::SetGrayscale(void)
|
|
{
|
|
GXColor color;
|
|
u32 offset, gray;
|
|
|
|
for(int x = 0; x < width; x++) {
|
|
for(int y = 0; y < height; y++) {
|
|
offset = (((y >> 2)<<4)*width) + ((x >> 2)<<6) + (((y%4 << 2) + x%4 ) << 1);
|
|
color.r = *(data+offset+1);
|
|
color.g = *(data+offset+32);
|
|
color.b = *(data+offset+33);
|
|
|
|
gray = (77*color.r + 150*color.g + 28*color.b)/255;
|
|
|
|
*(data+offset+1) = gray;
|
|
*(data+offset+32) = gray;
|
|
*(data+offset+33) = gray;
|
|
}
|
|
}
|
|
}
|
|
|
|
// This function finds it's origin in GRRLIB, which can be found here: http://code.google.com/p/grrlib/
|
|
void GuiImageData::LoadJpeg(const u8 *img, int imgSize)
|
|
{
|
|
struct jpeg_decompress_struct cinfo;
|
|
struct jpeg_error_mgr jerr;
|
|
|
|
int n = imgSize;
|
|
|
|
while (n > 1) {
|
|
if (img[n - 1] == 0xff && img[n] == 0xd9) {
|
|
break;
|
|
}
|
|
n--;
|
|
}
|
|
|
|
jpeg_create_decompress(&cinfo);
|
|
cinfo.err = jpeg_std_error(&jerr);
|
|
cinfo.progress = NULL;
|
|
jpeg_memory_src(&cinfo, img, n);
|
|
jpeg_read_header(&cinfo, TRUE);
|
|
jpeg_calc_output_dimensions(&cinfo);
|
|
|
|
if (cinfo.output_width > new_width || cinfo.output_height > new_height)
|
|
{
|
|
float factor = (cinfo.output_width > cinfo.output_height) ? (1.0 * cinfo.output_width) / new_width : (1.0 * cinfo.output_height) / new_height;
|
|
cinfo.scale_num = 1;
|
|
cinfo.scale_denom = factor;
|
|
cinfo.do_fancy_upsampling = true;
|
|
cinfo.do_block_smoothing = false;
|
|
cinfo.dct_method = JDCT_IFAST;
|
|
}
|
|
|
|
jpeg_start_decompress(&cinfo);
|
|
|
|
int rowsize = cinfo.output_width * cinfo.num_components;
|
|
unsigned char *tempBuffer = (unsigned char *) malloc(rowsize * cinfo.output_height);
|
|
|
|
JSAMPROW row_pointer[1];
|
|
|
|
row_pointer[0] = (unsigned char*) malloc(rowsize);
|
|
size_t location = 0;
|
|
while (cinfo.output_scanline < cinfo.output_height) {
|
|
jpeg_read_scanlines(&cinfo, row_pointer, 1);
|
|
memcpy(tempBuffer + location, row_pointer[0], rowsize);
|
|
location += rowsize;
|
|
}
|
|
|
|
int len = ((cinfo.output_width+3)>>2)*((cinfo.output_height+3)>>2)*32*2;
|
|
|
|
data = (u8 *) memalign(32, len);
|
|
|
|
RawTo4x4RGBA(tempBuffer, data, cinfo.output_width, cinfo.output_height);
|
|
DCFlushRange(data, len);
|
|
|
|
width = cinfo.output_width;
|
|
height = cinfo.output_height;
|
|
|
|
jpeg_finish_decompress(&cinfo);
|
|
jpeg_destroy_decompress(&cinfo);
|
|
free(row_pointer[0]);
|
|
free(tempBuffer);
|
|
}
|
|
|
|
/**
|
|
* Convert a raw bmp (RGB, no alpha) to 4x4RGBA.
|
|
* @author DragonMinded
|
|
* @param src
|
|
* @param dst
|
|
* @param width
|
|
* @param height
|
|
*/
|
|
void GuiImageData::RawTo4x4RGBA(const unsigned char *src, void *dst, const unsigned int width, const unsigned int height)
|
|
{
|
|
unsigned int block;
|
|
unsigned int i;
|
|
unsigned int c;
|
|
unsigned int ar;
|
|
unsigned int gb;
|
|
unsigned char *p = (unsigned char*)dst;
|
|
|
|
for (block = 0; block < height; block += 4) {
|
|
for (i = 0; i < width; i += 4) {
|
|
/* Alpha and Red */
|
|
for (c = 0; c < 4; ++c) {
|
|
for (ar = 0; ar < 4; ++ar) {
|
|
/* Alpha pixels */
|
|
*p++ = 255;
|
|
/* Red pixels */
|
|
*p++ = src[((i + ar) + ((block + c) * width)) * 3];
|
|
}
|
|
}
|
|
|
|
/* Green and Blue */
|
|
for (c = 0; c < 4; ++c) {
|
|
for (gb = 0; gb < 4; ++gb) {
|
|
/* Green pixels */
|
|
*p++ = src[(((i + gb) + ((block + c) * width)) * 3) + 1];
|
|
/* Blue pixels */
|
|
*p++ = src[(((i + gb) + ((block + c) * width)) * 3) + 2];
|
|
}
|
|
}
|
|
} /* i */
|
|
} /* block */
|
|
}
|