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#include <string>
#include <sstream>
#include "imagemagickwrapper.h"
#include "../config.h"
#include "imagescaler.h"
cImageMagickWrapper::cImageMagickWrapper() {
InitializeMagick(NULL);
}
cImageMagickWrapper::~cImageMagickWrapper() {
}
cImage *cImageMagickWrapper::CreateImage(int width, int height, bool preserveAspect) {
int w, h;
w = buffer.columns();
h = buffer.rows();
if (width == 0)
width = w;
if (height == 0)
height = h;
if (preserveAspect) {
unsigned scale_w = 1000 * width / w;
unsigned scale_h = 1000 * height / h;
if (scale_w > scale_h)
width = w * height / h;
else
height = h * width / w;
}
const PixelPacket *pixels = buffer.getConstPixels(0, 0, w, h);
cImage *image = new cImage(cSize(width, height));
tColor *imgData = (tColor *)image->Data();
if (w != width || h != height) {
ImageScaler scaler;
scaler.SetImageParameters(imgData, width, width, height, w, h);
for (const void *pixels_end = &pixels[w*h]; pixels < pixels_end; ++pixels)
scaler.PutSourcePixel(pixels->blue / ((MaxRGB + 1) / 256),
pixels->green / ((MaxRGB + 1) / 256),
pixels->red / ((MaxRGB + 1) / 256),
~((unsigned char)(pixels->opacity / ((MaxRGB + 1) / 256))));
return image;
}
for (const void *pixels_end = &pixels[width*height]; pixels < pixels_end; ++pixels)
*imgData++ = ((~int(pixels->opacity / ((MaxRGB + 1) / 256)) << 24) |
(int(pixels->green / ((MaxRGB + 1) / 256)) << 8) |
(int(pixels->red / ((MaxRGB + 1) / 256)) << 16) |
(int(pixels->blue / ((MaxRGB + 1) / 256)) ));
return image;
}
bool cImageMagickWrapper::LoadImage(const char *fullpath) {
if ((fullpath == NULL) || (strlen(fullpath) < 5))
return false;
try {
if (config.debugImageLoading)
dsyslog("skindesigner: trying to load: %s", fullpath);
buffer.read(fullpath);
if (config.debugImageLoading)
dsyslog("skindesigner: %s sucessfully loaded", fullpath);
} catch( Magick::Warning &warning ) {
if (config.debugImageLoading)
dsyslog("skindesigner: Magick Warning: %s", warning.what());
return true;
} catch( Magick::Error &error ) {
if (config.debugImageLoading)
dsyslog("skindesigner: Magick Error: %s", error.what());
return false;
} catch(...) {
if (config.debugImageLoading)
dsyslog("skindesigner: an unknown Magick error occured during image loading");
return false;
}
return true;
}
// Just a different way to call LoadImage. Calls the above one.
bool cImageMagickWrapper::LoadImage(std::string FileName, std::string Path, std::string Extension) {
std::stringstream sstrImgFile;
sstrImgFile << Path << FileName << "." << Extension;
std::string imgFile = sstrImgFile.str();
return LoadImage(imgFile.c_str());
}
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