Initial

2024-08-07 09:16:27 -04:00
parent fdfadd5c7e
commit 5f971cf684
5200 changed files with 731717 additions and 0 deletions
--- a/nntp/IMGVIEW.CPP
+++ b/nntp/IMGVIEW.CPP
@@ -0,0 +1,144 @@
+#include <nntp/imgview.hpp>
+#include <statbar/statbarx.hpp>
+#include <common/crsctrl.hpp>
+
+ImageView::ImageView(void)
+{
+  mCreateHandler.setCallback(this,&ImageView::createHandler);
+  mSizeHandler.setCallback(this,&ImageView::sizeHandler);
+	mPaintHandler.setCallback(this,&ImageView::paintHandler);
+	mHorizontalScrollHandler.setCallback(this,&ImageView::horizontalScrollHandler);
+	mVerticalScrollHandler.setCallback(this,&ImageView::verticalScrollHandler);
+	insertHandler(VectorHandler::CreateHandler,&mCreateHandler);
+	insertHandler(VectorHandler::SizeHandler,&mSizeHandler);
+	insertHandler(VectorHandler::PaintHandler,&mPaintHandler);
+	insertHandler(VectorHandler::VerticalScrollHandler,&mVerticalScrollHandler);
+	insertHandler(VectorHandler::HorizontalScrollHandler,&mHorizontalScrollHandler);
+}
+
+ImageView::~ImageView()
+{
+	removeHandler(VectorHandler::CreateHandler,&mCreateHandler);
+	removeHandler(VectorHandler::SizeHandler,&mSizeHandler);
+	removeHandler(VectorHandler::PaintHandler,&mPaintHandler);
+	removeHandler(VectorHandler::VerticalScrollHandler,&mVerticalScrollHandler);
+	removeHandler(VectorHandler::HorizontalScrollHandler,&mHorizontalScrollHandler);
+}
+
+CallbackData::ReturnType ImageView::createHandler(CallbackData &someCallbackData)
+{
+  mScrollInfo.hwndOwner(*this);
+	setTitle("None");
+  return FALSE;
+}
+
+CallbackData::ReturnType ImageView::sizeHandler(CallbackData &someCallbackData)
+{
+  mScrollInfo.handleSize(someCallbackData);
+  return FALSE;
+}
+
+CallbackData::ReturnType ImageView::paintHandler(CallbackData &someCallbackData)
+{
+  CursorControl cursorControl;
+
+	cursorControl.waitCursor(TRUE);
+  mMutex.requestMutex();
+	if(!mJPGImage.isOkay())
+	{
+	  mMutex.releaseMutex();
+	  cursorControl.waitCursor(FALSE);
+		return (CallbackData::ReturnType)FALSE;
+	}
+  PaintInformation &paintInfo=*((PaintInformation*)someCallbackData.lParam());
+	PureDevice &paintDevice=(PureDevice&)paintInfo;
+	if(mScrollInfo.sizeEvent())
+	{
+	  mScrollInfo.sizeEvent(FALSE);
+		mJPGImage.draw(paintDevice,Rect(0,0,mJPGImage.width(),mJPGImage.height()),Point(mScrollInfo.currScrollx(),mScrollInfo.currScrolly()));
+	}
+	if(mScrollInfo.scrollEvent()||(!mScrollInfo.sizeEvent()&&!mScrollInfo.scrollEvent()))
+	{
+	  Rect paintRect(paintInfo.paintRect());
+	  mScrollInfo.scrollEvent(FALSE);
+		paintRect.right(paintRect.right()-paintRect.left());
+		paintRect.bottom(paintRect.bottom()-paintRect.top());
+	  mJPGImage.draw(paintDevice,paintRect,Point(paintRect.left()+mScrollInfo.currScrollx(),paintRect.top()+mScrollInfo.currScrolly()));
+	}
+	mMutex.releaseMutex();
+	cursorControl.waitCursor(FALSE);
+	return (CallbackData::ReturnType)FALSE;
+}
+
+CallbackData::ReturnType ImageView::verticalScrollHandler(CallbackData &someCallbackData)
+{
+	mScrollInfo.handleVerticalScroll(someCallbackData);
+  return (CallbackData::ReturnType)FALSE;
+}
+
+CallbackData::ReturnType ImageView::horizontalScrollHandler(CallbackData &someCallbackData)
+{
+	mScrollInfo.handleHorizontalScroll(someCallbackData);
+  return (CallbackData::ReturnType)FALSE;
+}
+
+BOOL ImageView::open(const String &strPathFileName)
+{
+  String strString;
+	CursorControl cursorControl;
+  BOOL result;
+
+	if(strPathFileName.isNull())return FALSE;
+	cursorControl.waitCursor(TRUE);
+  mMutex.requestMutex();
+	PureDevice pureDevice(*this);
+	result=mJPGImage.decode(strPathFileName,pureDevice);
+	mMutex.releaseMutex();
+	cursorControl.waitCursor(FALSE);
+	if(!result)return FALSE;
+	mScrollInfo.scrollableObjectDimensions(mJPGImage.width(),mJPGImage.height());
+	setTitle(strPathFileName);
+	::sprintf(strString,"%s (%dx%d)",(LPSTR)strPathFileName,mJPGImage.width(),mJPGImage.height());
+	invalidate();
+  return TRUE;
+}
+
+void ImageView::setTitle(const String &strTitle)
+{
+  String strCaption;
+  String strString;
+
+	windowText(strCaption);
+	strString=strCaption;
+	strCaption=strCaption.betweenString(0,' ');
+	if(strCaption.isNull())strCaption=strString;
+	strCaption+=String(" - [")+strTitle+String("]");
+	setCaption(strCaption);
+}
+
+BOOL ImageView::fitToWindow(void)
+{
+  PureDevice pureDevice(*this);
+	CursorControl cursorControl;
+
+  if(!mJPGImage.isOkay())return false;
+	cursorControl.waitCursor(true);
+	mJPGImage.resample(pureDevice,width());
+	mScrollInfo.scrollableObjectDimensions(mJPGImage.width(),mJPGImage.height());
+	cursorControl.waitCursor(false);
+	invalidate();
+	return true;
+}
+
+// *** virtuals
+
+void ImageView::preRegister(WNDCLASS &wndClass)
+{
+  wndClass.style|=CS_SAVEBITS|CS_OWNDC;
+	wndClass.hbrBackground=(HBRUSH)::GetStockObject(WHITE_BRUSH);
+}
+
+void ImageView::preCreate(MDICREATESTRUCT &createStruct)
+{
+  createStruct.style|=WS_VSCROLL|WS_HSCROLL;
+}