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#include "imageloader.h"
#include <math.h>
#include <string>
#include <dirent.h>
#include <iostream>
using namespace Magick;
cImageLoader::cImageLoader() {
InitializeMagick(NULL);
}
cImageLoader::~cImageLoader() {
}
bool cImageLoader::LoadLogo(const char *logo, int width, int height) {
if ((width == 0)||(height==0))
return false;
std::string logoLower = logo;
toLowerCase(logoLower);
cString extension;
if (tvguideConfig.logoExtension == 0) {
extension = "png";
} else if (tvguideConfig.logoExtension == 1) {
extension = "jpg";
}
if (!LoadImage(logoLower.c_str(), tvguideConfig.logoPath, extension))
return false;
buffer.sample( Geometry(width, height));
return true;
}
bool cImageLoader::LoadEPGImage(int eventID) {
int width = tvguideConfig.epgImageWidth;
int height = tvguideConfig.epgImageHeight;
if ((width == 0)||(height==0))
return false;
if (!LoadImage(cString::sprintf("%d", eventID), tvguideConfig.epgImagePath, "jpg"))
return false;
if (height != 0 || width != 0) {
buffer.sample( Geometry(width, height));
}
return true;
}
bool cImageLoader::LoadAdditionalEPGImage(cString name) {
int width = tvguideConfig.epgImageWidthLarge;
int height = tvguideConfig.epgImageHeightLarge;
if ((width == 0)||(height==0))
return false;
bool success = false;
success = LoadImage(name, tvguideConfig.epgImagePath, "jpg");
if (!success)
return false;
if (height != 0 || width != 0) {
buffer.sample( Geometry(width, height));
}
return true;
}
bool cImageLoader::LoadIcon(const char *cIcon, int size) {
if (size==0)
return false;
bool success = false;
success = LoadImage(cString(cIcon), tvguideConfig.iconPath, "png");
if (!success)
return false;
buffer.sample(Geometry(size, size));
return true;
}
bool cImageLoader::DrawBackground(tColor back, tColor blend, int width, int height) {
if ((width < 1) || (height < 1) || (width > 1920) || (height > 1080))
return false;
Color Back = Argb2Color(back);
Color Blend = Argb2Color(blend);
Image tmp(Geometry(width, height), Blend);
double arguments[9] = {0.0,(double)height,0.0,-1*(double)width,0.0,0.0,1.5*(double)width,0.0,1.0};
tmp.sparseColor(MatteChannel, BarycentricColorInterpolate, 9, arguments);
Image tmp2(Geometry(width, height), Back);
tmp.composite(tmp2, 0, 0, OverlayCompositeOp);
buffer = tmp;
return true;
}
cImage cImageLoader::GetImage() {
int w, h;
w = buffer.columns();
h = buffer.rows();
cImage image (cSize(w, h));
const PixelPacket *pixels = buffer.getConstPixels(0, 0, w, h);
for (int iy = 0; iy < h; ++iy) {
for (int ix = 0; ix < w; ++ix) {
tColor col = (~int(pixels->opacity * 255 / MaxRGB) << 24)
| (int(pixels->green * 255 / MaxRGB) << 8)
| (int(pixels->red * 255 / MaxRGB) << 16)
| (int(pixels->blue * 255 / MaxRGB) );
image.SetPixel(cPoint(ix, iy), col);
++pixels;
}
}
return image;
}
Color cImageLoader::Argb2Color(tColor col) {
tIndex alpha = (col & 0xFF000000) >> 24;
tIndex red = (col & 0x00FF0000) >> 16;
tIndex green = (col & 0x0000FF00) >> 8;
tIndex blue = (col & 0x000000FF);
Color color(MaxRGB*red/255, MaxRGB*green/255, MaxRGB*blue/255, MaxRGB*(0xFF-alpha)/255);
return color;
}
void cImageLoader::toLowerCase(std::string &str) {
const int length = str.length();
for(int i=0; i < length; ++i) {
str[i] = std::tolower(str[i]);
}
}
bool cImageLoader::LoadImage(cString FileName, cString Path, cString Extension) {
try {
cString File = cString::sprintf("%s%s.%s", *Path, *FileName, *Extension);
//dsyslog("tvguide: trying to load: %s", *File);
buffer.read(*File);
//dsyslog("tvguide: %s sucessfully loaded", *File);
} catch (...) {
return false;
}
return true;
}
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