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