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engines/bagel/hodjnpodj/hnplibs/dibdoc.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "bagel/afxwin.h"
+#include "bagel/hodjnpodj/hnplibs/dibdoc.h"
+
+namespace Bagel {
+namespace HodjNPodj {
+
+/////////////////////////////////////////////////////////////////////////////
+// CDibDoc
+
+IMPLEMENT_DYNCREATE(CDibDoc, CDocument)
+
+BEGIN_MESSAGE_MAP(CDibDoc, CDocument)
+	//{{AFX_MSG_MAP(CDibDoc)
+	//}}AFX_MSG_MAP
+END_MESSAGE_MAP()
+
+/////////////////////////////////////////////////////////////////////////////
+// CDibDoc construction/destruction
+
+CDibDoc::CDibDoc() {
+	m_hDIB = nullptr;
+	m_palDIB = nullptr;
+	m_sizeDoc = CSize(1, 1);     // dummy value to make CScrollView happy
+}
+
+CDibDoc::~CDibDoc() {
+	delete m_hDIB;
+
+	if (m_palDIB != nullptr) {
+		(*m_palDIB).DeleteObject();
+		delete m_palDIB;
+	}
+}
+
+void CDibDoc::InitDIBData() {
+	if (m_palDIB != nullptr) {
+		delete m_palDIB;
+		m_palDIB = nullptr;
+	}
+	if (m_hDIB == nullptr) {
+		return;
+	}
+	// Set up document size
+	if (DIBWidth(m_hDIB) > INT_MAX || DIBHeight(m_hDIB) > INT_MAX) {
+		delete m_hDIB;
+		m_hDIB = nullptr;
+		return;
+	}
+
+	m_sizeDoc = CSize((int)DIBWidth(m_hDIB), (int)DIBHeight(m_hDIB));
+
+	// Create copy of palette
+	m_palDIB = new CPalette;
+	if (m_palDIB == nullptr) {
+		// we must be really low on memory
+		GlobalFree((HGLOBAL)m_hDIB);
+		m_hDIB = nullptr;
+		ShowMemoryInfo("Unable to create artwork palette", "Internal Problem");
+		return;
+	}
+
+	if (!CreateDIBPalette(m_hDIB, m_palDIB)) {
+		// DIB may not have a palette
+		delete m_palDIB;
+		m_palDIB = nullptr;
+		ShowMemoryInfo("Unable to create artwork palette", "Internal Problem");
+	}
+}
+
+
+bool CDibDoc::OpenResourceDocument(const int nResID) {
+	char    chResID[8];
+
+	DeleteContents();
+
+	Common::sprintf_s(chResID, "#%d", nResID);
+	m_hDIB = ReadDIBResource(chResID);
+	if (m_hDIB != nullptr)
+		InitDIBData();
+
+	if (m_hDIB == nullptr) {
+		char    buf[128];
+
+		Common::sprintf_s(buf, "Unable to load artwork resource: %s", chResID);
+		ShowMemoryInfo(buf, "Internal Problem");
+		return false;
+	}
+	SetPathName(chResID);
+	SetModifiedFlag(false);     // start off with unmodified
+	return true;
+}
+
+
+bool CDibDoc::OpenResourceDocument(const char *pszPathName) {
+	DeleteContents();
+
+	m_hDIB = ReadDIBResource(pszPathName);
+	if (m_hDIB != nullptr)
+		InitDIBData();
+
+	if (m_hDIB == nullptr) {
+		char    buf[128];
+
+		Common::sprintf_s(buf, "Unable to load artwork file: %s", pszPathName);
+		ShowMemoryInfo(buf, "Internal Problem");
+		return false;
+	}
+	SetPathName(" ");
+	SetModifiedFlag(false);     // start off with unmodified
+	return true;
+}
+
+
+
+CPalette *CDibDoc::DetachPalette() {
+	CPalette *pMyPalette;
+
+	pMyPalette = m_palDIB;
+	m_palDIB = nullptr;
+	return pMyPalette;
+}
+
+
+bool CDibDoc::OpenDocument(const char *pszPathName) {
+	CFile file;
+	CFileException fe;
+
+	if (!file.Open(pszPathName, CFile::modeRead | CFile::shareDenyWrite, &fe)) {
+		error("Unable to open artwork file: %s", pszPathName);
+		return false;
+	}
+
+	DeleteContents();
+	//  BeginWaitCursor();
+
+	// replace calls to Serialize with ReadDIBFile function
+	TRY {
+		m_hDIB = ReadDIBFile(file);
+
+		if (m_hDIB == nullptr)
+			error("Unable to load artwork file: %s", pszPathName);
+	}
+	CATCH(CFileException, eLoad) {
+		file.Abort(); // will not throw an exception
+		//      EndWaitCursor();
+		ReportSaveLoadException(pszPathName, eLoad,
+		                        false, AFX_IDP_FAILED_TO_OPEN_DOC);
+		m_hDIB = nullptr;
+		return false;
+	}
+	END_CATCH
+
+	InitDIBData();
+	//  EndWaitCursor();
+
+	if (m_hDIB == nullptr) {
+		char    buf[128];
+
+		Common::sprintf_s(buf, "Unable to load artwork file: %s", pszPathName);
+		ShowMemoryInfo(buf, "Internal Problem");
+		return false;
+	}
+
+	SetPathName(pszPathName);
+	SetModifiedFlag(false);     // start off with unmodified
+	return true;
+}
+
+
+bool CDibDoc::SaveDocument(const char *pszPathName) {
+	// No implementation
+	return true;
+}
+
+void CDibDoc::ReplaceHDIB(HDIB hDIB) {
+	if (m_hDIB != nullptr) {
+		GlobalFree((HGLOBAL)m_hDIB);
+	}
+	m_hDIB = hDIB;
+}
+
+} // namespace HodjNPodj
+} // namespace Bagel