ZVISION: Create renderImageToScreen method and add a console command for it

4 files changed, 67 insertions, 0 deletions

diff --git a/engines/zvision/console.cpp b/engines/zvision/console.cpp
index a26dba9d6d..d9d4182646 100644
--- a/engines/zvision/console.cpp
+++ b/engines/zvision/console.cpp
@@ -30,6 +30,17 @@
 namespace ZVision {
 
 	Console::Console(ZVision *engine) : GUI::Debugger(), _engine(engine) {
+		DCmd_Register("loadimage", WRAP_METHOD(Console, cmdLoadImage));
+	}
+
+	bool Console::cmdLoadImage(int argc, const char **argv) {
+		if (argc != 6) {
+			DebugPrintf("Use loadimage <fileName> <x> <y> <width> <height> to load an image to the screen");
+			return false;
+		}
+		_engine->renderImageToScreen(argv[1], atoi(argv[2]), atoi(argv[3]), atoi(argv[4]), atoi(argv[5]));
+
+		return true;
 	}
 
 } // End of namespace ZVision
diff --git a/engines/zvision/console.h b/engines/zvision/console.h
index c91b362451..c341b8d226 100644
--- a/engines/zvision/console.h
+++ b/engines/zvision/console.h
@@ -36,6 +36,8 @@ namespace ZVision {
 
 	private:
 		ZVision *_engine;
+
+		bool cmdLoadImage(int argc, const char **argv);
 	};
 
 } // End of namespace ZVision
diff --git a/engines/zvision/image.cpp b/engines/zvision/image.cpp
new file mode 100644
index 0000000000..95fed0c73c
--- /dev/null
+++ b/engines/zvision/image.cpp
@@ -0,0 +1,53 @@
+/* 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 2
+* 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, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*
+*/
+
+#include "common/scummsys.h"
+
+#include "common/file.h"
+#include "common/system.h"
+
+#include "graphics/decoders/tga.h"
+
+#include "zvision/zvision.h"
+
+namespace ZVision {
+
+void ZVision::renderImageToScreen(const Common::String &fileName, uint32 x, uint32 y, uint32 width, uint32 height) {
+	Common::File file;
+
+	if (file.open(fileName)) {
+		Graphics::TGADecoder tga;
+		if (!tga.loadStream(file))
+			error("Error while reading TGA image");
+		file.close();
+
+		const Graphics::Surface *tgaSurface = tga.getSurface();
+
+		_system->copyRectToScreen(tgaSurface->pixels, tgaSurface->pitch, x, y, width, height);
+
+		tga.destroy();
+
+		_needsScreenUpdate = true;
+	}
+}
+
+} // End of namespace ZVision
diff --git a/engines/zvision/zvision.h b/engines/zvision/zvision.h
index 9dd36662f7..7ff03ca719 100644
--- a/engines/zvision/zvision.h
+++ b/engines/zvision/zvision.h
@@ -71,6 +71,7 @@ public:
 	virtual Common::Error run();
 	ScriptManager *getScriptManager() const;
 	Common::RandomSource *getRandomSource() const;
+	void renderImageToScreen(const Common::String &fileName, uint32 x, uint32 y, uint32 width, uint32 height);
 
 private:
 	void initialize();