82 files changed, 49 insertions, 0 deletions

diff --git a/contrib/devtools/optimize-pngs.py b/contrib/devtools/optimize-pngs.py
new file mode 100755
index 0000000000..774968fc08
--- /dev/null
+++ b/contrib/devtools/optimize-pngs.py
@@ -0,0 +1,49 @@
+#!/usr/bin/env python
+
+import os
+import sys
+import subprocess
+
+#optimize png, remove various color profiles, remove ancillary chunks (alla) and text chunks (text)
+#pngcrush -brute -ow -rem gAMA -rem cHRM -rem iCCP -rem sRGB -rem alla -rem text
+
+folders = ["src/qt/res/movies", "src/qt/res/icons", "src/qt/res/images"]
+basePath = subprocess.check_output("git rev-parse --show-toplevel", shell=True).rstrip('\n')
+totalSaveBytes = 0
+
+outputArray = []
+for folder in folders:
+    absFolder=os.path.join(basePath, folder)
+    for file in os.listdir(absFolder):
+        extension = os.path.splitext(file)[1]
+        if extension.lower() == '.png':
+            print("optimizing "+file+"..."),
+            file_path = os.path.join(absFolder, file)
+            fileMetaMap = {'file' : file, 'osize': os.path.getsize(file_path), 'sha256Old' : subprocess.check_output("openssl dgst -sha256 "+file_path, shell=True).rstrip('\n')};
+        
+            pngCrushOutput = ""
+            try:
+                pngCrushOutput = subprocess.check_output("pngcrush -brute -ow -rem gAMA -rem cHRM -rem iCCP -rem sRGB -rem alla -rem text "+file_path+" >/dev/null 2>&1", shell=True).rstrip('\n')
+            except:
+                print "pngcrush is not installed, aborting..."
+                sys.exit(0)
+        
+            #verify
+            if "Not a PNG file" in subprocess.check_output("pngcrush -n -v "+file_path+" >/dev/null 2>&1", shell=True):
+                print "PNG file "+file+" is corrupted after crushing, check out pngcursh version"
+                sys.exit(1)
+            
+        
+            fileMetaMap['sha256New'] = subprocess.check_output("openssl dgst -sha256 "+file_path, shell=True).rstrip('\n')
+            fileMetaMap['psize'] = os.path.getsize(file_path)
+            outputArray.append(fileMetaMap)
+            print("done\n"),
+
+print "summary:\n+++++++++++++++++"
+for fileDict in outputArray:
+    oldHash = fileDict['sha256Old'].split("= ")[1]
+    newHash = fileDict['sha256New'].split("= ")[1]
+    totalSaveBytes += fileDict['osize'] - fileDict['psize']
+    print fileDict['file']+"\n  size diff from: "+str(fileDict['osize'])+" to: "+str(fileDict['psize'])+"\n  old sha256: "+oldHash+"\n  new sha256: "+newHash+"\n"
+    
+print "completed. Total reduction: "+str(totalSaveBytes)+" bytes"
\ No newline at end of file
diff --git a/src/qt/res/icons/about.png b/src/qt/res/icons/about.png
index eeef943355..83eb3c07ee 100644
--- a/src/qt/res/icons/about.png
+++ b/src/qt/res/icons/about.png
diff --git a/src/qt/res/icons/about_qt.png b/src/qt/res/icons/about_qt.png
index d3665e9892..dd27a99d0a 100644
--- a/src/qt/res/icons/about_qt.png
+++ b/src/qt/res/icons/about_qt.png
diff --git a/src/qt/res/icons/add.png b/src/qt/res/icons/add.png
index ef995cc0b5..7e46672f2d 100644
--- a/src/qt/res/icons/add.png
+++ b/src/qt/res/icons/add.png
diff --git a/src/qt/res/icons/address-book.png b/src/qt/res/icons/address-book.png
index 0c9238c18e..b11c7d5356 100644
--- a/src/qt/res/icons/address-book.png
+++ b/src/qt/res/icons/address-book.png
diff --git a/src/qt/res/icons/bitcoin.png b/src/qt/res/icons/bitcoin.png
index 705a20260a..435621af23 100644
--- a/src/qt/res/icons/bitcoin.png
+++ b/src/qt/res/icons/bitcoin.png
diff --git a/src/qt/res/icons/clock1.png b/src/qt/res/icons/clock1.png
index 65adba5e21..ceae5ed0d9 100644
--- a/src/qt/res/icons/clock1.png
+++ b/src/qt/res/icons/clock1.png
diff --git a/src/qt/res/icons/clock2.png b/src/qt/res/icons/clock2.png
index 196a79ce4a..159f69a8fc 100644
--- a/src/qt/res/icons/clock2.png
+++ b/src/qt/res/icons/clock2.png
diff --git a/src/qt/res/icons/clock3.png b/src/qt/res/icons/clock3.png
index 3d04655ed9..d668e35ffc 100644
--- a/src/qt/res/icons/clock3.png
+++ b/src/qt/res/icons/clock3.png
diff --git a/src/qt/res/icons/clock4.png b/src/qt/res/icons/clock4.png
index c3210c5af1..5ebf8ed7ac 100644
--- a/src/qt/res/icons/clock4.png
+++ b/src/qt/res/icons/clock4.png
diff --git a/src/qt/res/icons/clock5.png b/src/qt/res/icons/clock5.png
index 84a9fa2842..96f15ef7d9 100644
--- a/src/qt/res/icons/clock5.png
+++ b/src/qt/res/icons/clock5.png
diff --git a/src/qt/res/icons/configure.png b/src/qt/res/icons/configure.png
index fe9c6ec5ec..5333c83d5e 100644
--- a/src/qt/res/icons/configure.png
+++ b/src/qt/res/icons/configure.png
diff --git a/src/qt/res/icons/connect0.png b/src/qt/res/icons/connect0.png
index 99bb2575d6..58e2c3e965 100644
--- a/src/qt/res/icons/connect0.png
+++ b/src/qt/res/icons/connect0.png
diff --git a/src/qt/res/icons/connect1.png b/src/qt/res/icons/connect1.png
index dffc692c76..949e7a922d 100644
--- a/src/qt/res/icons/connect1.png
+++ b/src/qt/res/icons/connect1.png
diff --git a/src/qt/res/icons/connect2.png b/src/qt/res/icons/connect2.png
index 3594fb117c..143b2054fb 100644
--- a/src/qt/res/icons/connect2.png
+++ b/src/qt/res/icons/connect2.png
diff --git a/src/qt/res/icons/connect3.png b/src/qt/res/icons/connect3.png
index 3594fb117c..143b2054fb 100644
--- a/src/qt/res/icons/connect3.png
+++ b/src/qt/res/icons/connect3.png
diff --git a/src/qt/res/icons/connect4.png b/src/qt/res/icons/connect4.png
index 0c667c7e06..f96e3455ce 100644
--- a/src/qt/res/icons/connect4.png
+++ b/src/qt/res/icons/connect4.png
diff --git a/src/qt/res/icons/debugwindow.png b/src/qt/res/icons/debugwindow.png
index 576e57ab03..290fe60864 100644
--- a/src/qt/res/icons/debugwindow.png
+++ b/src/qt/res/icons/debugwindow.png
diff --git a/src/qt/res/icons/edit.png b/src/qt/res/icons/edit.png
index 4df2229e98..46582716ef 100644
--- a/src/qt/res/icons/edit.png
+++ b/src/qt/res/icons/edit.png
diff --git a/src/qt/res/icons/editcopy.png b/src/qt/res/icons/editcopy.png
index db0c51772c..74ac8b2774 100644
--- a/src/qt/res/icons/editcopy.png
+++ b/src/qt/res/icons/editcopy.png
diff --git a/src/qt/res/icons/editpaste.png b/src/qt/res/icons/editpaste.png
index be8634674d..7b47f4d52b 100644
--- a/src/qt/res/icons/editpaste.png
+++ b/src/qt/res/icons/editpaste.png
diff --git a/src/qt/res/icons/export.png b/src/qt/res/icons/export.png
index 18d0596194..ac76cc1eff 100644
--- a/src/qt/res/icons/export.png
+++ b/src/qt/res/icons/export.png
diff --git a/src/qt/res/icons/eye.png b/src/qt/res/icons/eye.png
index 7036708de5..f2f139dbb2 100644
--- a/src/qt/res/icons/eye.png
+++ b/src/qt/res/icons/eye.png
diff --git a/src/qt/res/icons/eye_minus.png b/src/qt/res/icons/eye_minus.png
index bdbe073627..795bf6436a 100644
--- a/src/qt/res/icons/eye_minus.png
+++ b/src/qt/res/icons/eye_minus.png
diff --git a/src/qt/res/icons/eye_plus.png b/src/qt/res/icons/eye_plus.png
index 2ba5e68c76..eaab69297a 100644
--- a/src/qt/res/icons/eye_plus.png
+++ b/src/qt/res/icons/eye_plus.png
diff --git a/src/qt/res/icons/filesave.png b/src/qt/res/icons/filesave.png
index a53390f594..f4e6f58d05 100644
--- a/src/qt/res/icons/filesave.png
+++ b/src/qt/res/icons/filesave.png
diff --git a/src/qt/res/icons/history.png b/src/qt/res/icons/history.png
index cb723abc5f..68d841fa85 100644
--- a/src/qt/res/icons/history.png
+++ b/src/qt/res/icons/history.png
diff --git a/src/qt/res/icons/info.png b/src/qt/res/icons/info.png
index 085fa8ea73..692b50c2a9 100644
--- a/src/qt/res/icons/info.png
+++ b/src/qt/res/icons/info.png
diff --git a/src/qt/res/icons/key.png b/src/qt/res/icons/key.png
index d21f81364d..f301c4f38c 100644
--- a/src/qt/res/icons/key.png
+++ b/src/qt/res/icons/key.png
diff --git a/src/qt/res/icons/lock_closed.png b/src/qt/res/icons/lock_closed.png
index 77914ab2ce..1bd98b21a6 100644
--- a/src/qt/res/icons/lock_closed.png
+++ b/src/qt/res/icons/lock_closed.png
diff --git a/src/qt/res/icons/lock_open.png b/src/qt/res/icons/lock_open.png
index 50615b7336..a7045133b1 100644
--- a/src/qt/res/icons/lock_open.png
+++ b/src/qt/res/icons/lock_open.png
diff --git a/src/qt/res/icons/open.png b/src/qt/res/icons/open.png
index 390d3dab64..4d958f0e18 100644
--- a/src/qt/res/icons/open.png
+++ b/src/qt/res/icons/open.png
diff --git a/src/qt/res/icons/overview.png b/src/qt/res/icons/overview.png
index 36e1003c3c..411595413d 100644
--- a/src/qt/res/icons/overview.png
+++ b/src/qt/res/icons/overview.png
diff --git a/src/qt/res/icons/quit.png b/src/qt/res/icons/quit.png
index 6e44a2d329..55e34de4b8 100644
--- a/src/qt/res/icons/quit.png
+++ b/src/qt/res/icons/quit.png
diff --git a/src/qt/res/icons/receive.png b/src/qt/res/icons/receive.png
index a53390f594..f4e6f58d05 100644
--- a/src/qt/res/icons/receive.png
+++ b/src/qt/res/icons/receive.png
diff --git a/src/qt/res/icons/remove.png b/src/qt/res/icons/remove.png
index 3849cdd6d8..8e738d6301 100644
--- a/src/qt/res/icons/remove.png
+++ b/src/qt/res/icons/remove.png
diff --git a/src/qt/res/icons/send.png b/src/qt/res/icons/send.png
index 18d0596194..ac76cc1eff 100644
--- a/src/qt/res/icons/send.png
+++ b/src/qt/res/icons/send.png
diff --git a/src/qt/res/icons/synced.png b/src/qt/res/icons/synced.png
index d33914f0b4..5ac28d36a3 100644
--- a/src/qt/res/icons/synced.png
+++ b/src/qt/res/icons/synced.png
diff --git a/src/qt/res/icons/transaction0.png b/src/qt/res/icons/transaction0.png
index fd41da0680..1091b86e68 100644
--- a/src/qt/res/icons/transaction0.png
+++ b/src/qt/res/icons/transaction0.png
diff --git a/src/qt/res/icons/transaction2.png b/src/qt/res/icons/transaction2.png
index d33914f0b4..5ac28d36a3 100644
--- a/src/qt/res/icons/transaction2.png
+++ b/src/qt/res/icons/transaction2.png
diff --git a/src/qt/res/icons/transaction_conflicted.png b/src/qt/res/icons/transaction_conflicted.png
index 6e44a2d329..55e34de4b8 100644
--- a/src/qt/res/icons/transaction_conflicted.png
+++ b/src/qt/res/icons/transaction_conflicted.png
diff --git a/src/qt/res/icons/tx_inout.png b/src/qt/res/icons/tx_inout.png
index cecd332ad1..0a6e72a898 100644
--- a/src/qt/res/icons/tx_inout.png
+++ b/src/qt/res/icons/tx_inout.png
diff --git a/src/qt/res/icons/tx_input.png b/src/qt/res/icons/tx_input.png
index 1b4cfd967c..9e9ee92932 100644
--- a/src/qt/res/icons/tx_input.png
+++ b/src/qt/res/icons/tx_input.png
diff --git a/src/qt/res/icons/tx_mined.png b/src/qt/res/icons/tx_mined.png
index 421a9cf639..5a6ef521c0 100644
--- a/src/qt/res/icons/tx_mined.png
+++ b/src/qt/res/icons/tx_mined.png
diff --git a/src/qt/res/icons/tx_output.png b/src/qt/res/icons/tx_output.png
index 06d9d0adf2..6f66ab6547 100644
--- a/src/qt/res/icons/tx_output.png
+++ b/src/qt/res/icons/tx_output.png
diff --git a/src/qt/res/icons/verify.png b/src/qt/res/icons/verify.png
index 9ff35c2793..8e2cb2cc14 100644
--- a/src/qt/res/icons/verify.png
+++ b/src/qt/res/icons/verify.png
diff --git a/src/qt/res/movies/spinner-000.png b/src/qt/res/movies/spinner-000.png
index b296a58481..1e92d859da 100644
--- a/src/qt/res/movies/spinner-000.png
+++ b/src/qt/res/movies/spinner-000.png
diff --git a/src/qt/res/movies/spinner-001.png b/src/qt/res/movies/spinner-001.png
index 4f6f9a487b..d167f20541 100644
--- a/src/qt/res/movies/spinner-001.png
+++ b/src/qt/res/movies/spinner-001.png
diff --git a/src/qt/res/movies/spinner-002.png b/src/qt/res/movies/spinner-002.png
index 4f14e3ca93..4a1f1f8e56 100644
--- a/src/qt/res/movies/spinner-002.png
+++ b/src/qt/res/movies/spinner-002.png
diff --git a/src/qt/res/movies/spinner-003.png b/src/qt/res/movies/spinner-003.png
index d7756e73bf..fb1c2cd4ad 100644
--- a/src/qt/res/movies/spinner-003.png
+++ b/src/qt/res/movies/spinner-003.png
diff --git a/src/qt/res/movies/spinner-004.png b/src/qt/res/movies/spinner-004.png
index 4b381b81b2..4df2132344 100644
--- a/src/qt/res/movies/spinner-004.png
+++ b/src/qt/res/movies/spinner-004.png
diff --git a/src/qt/res/movies/spinner-005.png b/src/qt/res/movies/spinner-005.png
index cbdb5b5797..5d6f41e0dc 100644
--- a/src/qt/res/movies/spinner-005.png
+++ b/src/qt/res/movies/spinner-005.png
diff --git a/src/qt/res/movies/spinner-006.png b/src/qt/res/movies/spinner-006.png
index 55d4540c92..c1f7d18899 100644
--- a/src/qt/res/movies/spinner-006.png
+++ b/src/qt/res/movies/spinner-006.png
diff --git a/src/qt/res/movies/spinner-007.png b/src/qt/res/movies/spinner-007.png
index b25f59a445..1e794b2626 100644
--- a/src/qt/res/movies/spinner-007.png
+++ b/src/qt/res/movies/spinner-007.png
diff --git a/src/qt/res/movies/spinner-008.png b/src/qt/res/movies/spinner-008.png
index 6493184a7a..df12ea8719 100644
--- a/src/qt/res/movies/spinner-008.png
+++ b/src/qt/res/movies/spinner-008.png
diff --git a/src/qt/res/movies/spinner-009.png b/src/qt/res/movies/spinner-009.png
index 938c49f9d3..18fc3a7d16 100644
--- a/src/qt/res/movies/spinner-009.png
+++ b/src/qt/res/movies/spinner-009.png
diff --git a/src/qt/res/movies/spinner-010.png b/src/qt/res/movies/spinner-010.png
index 7eb645eda5..a79c845fe8 100644
--- a/src/qt/res/movies/spinner-010.png
+++ b/src/qt/res/movies/spinner-010.png
diff --git a/src/qt/res/movies/spinner-011.png b/src/qt/res/movies/spinner-011.png
index fd4b63ca5a..57baf66895 100644
--- a/src/qt/res/movies/spinner-011.png
+++ b/src/qt/res/movies/spinner-011.png
diff --git a/src/qt/res/movies/spinner-012.png b/src/qt/res/movies/spinner-012.png
index 10d26a3a53..9deae7853a 100644
--- a/src/qt/res/movies/spinner-012.png
+++ b/src/qt/res/movies/spinner-012.png
diff --git a/src/qt/res/movies/spinner-013.png b/src/qt/res/movies/spinner-013.png
index 863a9d2908..0659d48dec 100644
--- a/src/qt/res/movies/spinner-013.png
+++ b/src/qt/res/movies/spinner-013.png
diff --git a/src/qt/res/movies/spinner-014.png b/src/qt/res/movies/spinner-014.png
index d01086cb98..bc1ef51bde 100644
--- a/src/qt/res/movies/spinner-014.png
+++ b/src/qt/res/movies/spinner-014.png
diff --git a/src/qt/res/movies/spinner-015.png b/src/qt/res/movies/spinner-015.png
index 402dbea693..24b57b62c2 100644
--- a/src/qt/res/movies/spinner-015.png
+++ b/src/qt/res/movies/spinner-015.png
diff --git a/src/qt/res/movies/spinner-016.png b/src/qt/res/movies/spinner-016.png
index 1db20e6078..d622872651 100644
--- a/src/qt/res/movies/spinner-016.png
+++ b/src/qt/res/movies/spinner-016.png
diff --git a/src/qt/res/movies/spinner-017.png b/src/qt/res/movies/spinner-017.png
index e2c2e2ef78..f48f688db2 100644
--- a/src/qt/res/movies/spinner-017.png
+++ b/src/qt/res/movies/spinner-017.png
diff --git a/src/qt/res/movies/spinner-018.png b/src/qt/res/movies/spinner-018.png
index 6f1fe73756..a2c8f38b1d 100644
--- a/src/qt/res/movies/spinner-018.png
+++ b/src/qt/res/movies/spinner-018.png
diff --git a/src/qt/res/movies/spinner-019.png b/src/qt/res/movies/spinner-019.png
index 5f18f65608..9d7cc35d82 100644
--- a/src/qt/res/movies/spinner-019.png
+++ b/src/qt/res/movies/spinner-019.png
diff --git a/src/qt/res/movies/spinner-020.png b/src/qt/res/movies/spinner-020.png
index c12ae20016..1a07acc454 100644
--- a/src/qt/res/movies/spinner-020.png
+++ b/src/qt/res/movies/spinner-020.png
diff --git a/src/qt/res/movies/spinner-021.png b/src/qt/res/movies/spinner-021.png
index d81ceade23..9cea8f2543 100644
--- a/src/qt/res/movies/spinner-021.png
+++ b/src/qt/res/movies/spinner-021.png
diff --git a/src/qt/res/movies/spinner-022.png b/src/qt/res/movies/spinner-022.png
index 69c6657942..60250f6dea 100644
--- a/src/qt/res/movies/spinner-022.png
+++ b/src/qt/res/movies/spinner-022.png
diff --git a/src/qt/res/movies/spinner-023.png b/src/qt/res/movies/spinner-023.png
index 7bed5bae85..fc290a0cf2 100644
--- a/src/qt/res/movies/spinner-023.png
+++ b/src/qt/res/movies/spinner-023.png
diff --git a/src/qt/res/movies/spinner-024.png b/src/qt/res/movies/spinner-024.png
index b3be8d3e8e..c5dcf1eae9 100644
--- a/src/qt/res/movies/spinner-024.png
+++ b/src/qt/res/movies/spinner-024.png
diff --git a/src/qt/res/movies/spinner-025.png b/src/qt/res/movies/spinner-025.png
index 3a7fa9ab0d..7f3577a4de 100644
--- a/src/qt/res/movies/spinner-025.png
+++ b/src/qt/res/movies/spinner-025.png
diff --git a/src/qt/res/movies/spinner-026.png b/src/qt/res/movies/spinner-026.png
index dd92fc4fc1..1663ddf44c 100644
--- a/src/qt/res/movies/spinner-026.png
+++ b/src/qt/res/movies/spinner-026.png
diff --git a/src/qt/res/movies/spinner-027.png b/src/qt/res/movies/spinner-027.png
index 9adefee268..d0e6da4503 100644
--- a/src/qt/res/movies/spinner-027.png
+++ b/src/qt/res/movies/spinner-027.png
diff --git a/src/qt/res/movies/spinner-028.png b/src/qt/res/movies/spinner-028.png
index 83e7cdd583..2a7aba50e2 100644
--- a/src/qt/res/movies/spinner-028.png
+++ b/src/qt/res/movies/spinner-028.png
diff --git a/src/qt/res/movies/spinner-029.png b/src/qt/res/movies/spinner-029.png
index 6cbdbb0fe1..c8ca15c1e1 100644
--- a/src/qt/res/movies/spinner-029.png
+++ b/src/qt/res/movies/spinner-029.png
diff --git a/src/qt/res/movies/spinner-030.png b/src/qt/res/movies/spinner-030.png
index e4a09a44bc..c847c99a93 100644
--- a/src/qt/res/movies/spinner-030.png
+++ b/src/qt/res/movies/spinner-030.png
diff --git a/src/qt/res/movies/spinner-031.png b/src/qt/res/movies/spinner-031.png
index 3c3d505741..403443144e 100644
--- a/src/qt/res/movies/spinner-031.png
+++ b/src/qt/res/movies/spinner-031.png
diff --git a/src/qt/res/movies/spinner-032.png b/src/qt/res/movies/spinner-032.png
index 7460f80da3..f9db080567 100644
--- a/src/qt/res/movies/spinner-032.png
+++ b/src/qt/res/movies/spinner-032.png
diff --git a/src/qt/res/movies/spinner-033.png b/src/qt/res/movies/spinner-033.png
index d327e8fb08..43f57719e7 100644
--- a/src/qt/res/movies/spinner-033.png
+++ b/src/qt/res/movies/spinner-033.png
diff --git a/src/qt/res/movies/spinner-034.png b/src/qt/res/movies/spinner-034.png
index d8432751da..c26656ff17 100644
--- a/src/qt/res/movies/spinner-034.png
+++ b/src/qt/res/movies/spinner-034.png
diff --git a/src/qt/res/movies/spinner-035.png b/src/qt/res/movies/spinner-035.png
index c89c959c94..e471f950a3 100644
--- a/src/qt/res/movies/spinner-035.png
+++ b/src/qt/res/movies/spinner-035.png