From 68928cb9f07eb2461f25a5d082fea4f9bfc94d7f Mon Sep 17 00:00:00 2001
From: louis <louis.braun@gmx.de>
Date: Thu, 17 Jan 2013 14:33:53 +0100
Subject: Changed color buttons to nOpacity style

---
 imageloader.c | 144 ++++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 90 insertions(+), 54 deletions(-)

(limited to 'imageloader.c')

diff --git a/imageloader.c b/imageloader.c
index 015f805..6221cac 100644
--- a/imageloader.c
+++ b/imageloader.c
@@ -1,5 +1,8 @@
 #include "imageloader.h"
 #include <math.h>
+#include <string>
+#include <dirent.h>
+#include <iostream>
 
 using namespace Magick;
 
@@ -9,70 +12,103 @@ cImageLoader::cImageLoader() {
 cImageLoader::~cImageLoader() {
 }
 
-bool cImageLoader::LoadLogo(const char *logo)
-{
-  try
-  {
-	int width = tvguideConfig.logoWidth;
-	int height = tvguideConfig.logoHeight;
-	cString extension;
-	if (tvguideConfig.logoExtension == 0) {
+bool cImageLoader::LoadLogo(const char *logo, int width = tvguideConfig.logoWidth, int height = tvguideConfig.logoHeight) {
+    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";
 	}
-	cString Filename = cString::sprintf("%s%s.%s", *tvguideConfig.logoPath, logo, *extension);
-    osdImage.read(*Filename);
+    if (!LoadImage(logoLower.c_str(), tvguideConfig.logoPath, extension))
+        return false;
+    if (height != 0 || width != 0) {
+        buffer.sample( Geometry(width, height));
+    }
+    return true;
+}
 
-	if (height != 0 || width != 0) {
-		osdImage.sample( Geometry(width, height));
-	
-	}
-	return true;
-  }
-  catch (...)
-  {
-    return false;
-  }
+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::LoadEPGImage(int eventID)
-{
-  try
-  {
-	int width = tvguideConfig.epgImageWidth;
-	int height = tvguideConfig.epgImageHeight;
-	cString Filename = cString::sprintf("%s%d.jpg", *tvguideConfig.epgImagePath, eventID);
-    osdImage.read(*Filename);
+void cImageLoader::DrawBackground(tColor back, tColor blend, int width, int height) {
+    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;
+}
 
-	if (height != 0 || width != 0)
-	  osdImage.sample( Geometry(width, height));
-	
-	return true;
-  }
-  catch (...)
-  {
-    return false;
-  }
+void cImageLoader::DrawBackground2(tColor back, tColor blend, int width, int height) {
+    Color Back = Argb2Color(back);
+    Color Blend = Argb2Color(blend);
+    Image tmp(Geometry(width, height), Blend);
+    double arguments[9] = {0.0,(double)height,0.0,-0.5*(double)width,0.0,0.0,0.75*(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;
 }
 
+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;
+}
 
-cImage cImageLoader::GetImage()
-{
-  int w, h;
-  w = osdImage.columns();
-  h = osdImage.rows();
-  cImage image (cSize(w, h));
-  const PixelPacket *pixels = osdImage.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;
+void cImageLoader::toLowerCase(std::string &str) {
+    const int length = str.length();
+    for(int i=0; i < length; ++i) {
+        str[i] = std::tolower(str[i]);
     }
-  }
-  return image;
 }
+
+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;
+}
\ No newline at end of file
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