From 702adaf9f807f19cd8849af737168461169734d3 Mon Sep 17 00:00:00 2001
From: Filippos Karapetis
Date: Wed, 24 Dec 2014 14:04:56 +0200
Subject: ZVISION: Remove duplicate code

---
 engines/zvision/graphics/render_manager.cpp | 91 +----------------------------
 1 file changed, 1 insertion(+), 90 deletions(-)

(limited to 'engines')

diff --git a/engines/zvision/graphics/render_manager.cpp b/engines/zvision/graphics/render_manager.cpp
index b9305f5dcc..2f0d2a3a2c 100644
--- a/engines/zvision/graphics/render_manager.cpp
+++ b/engines/zvision/graphics/render_manager.cpp
@@ -162,97 +162,8 @@ void RenderManager::renderImageToBackground(const Common::String &fileName, int1
 }
 
 void RenderManager::readImageToSurface(const Common::String &fileName, Graphics::Surface &destination) {
-	Common::File file;
-
-	if (!_engine->getSearchManager()->openFile(file, fileName)) {
-		warning("Could not open file %s", fileName.c_str());
-		return;
-	}
-
-	// Read the magic number
-	// Some files are true TGA, while others are TGZ
-	uint32 fileType = file.readUint32BE();
-
-	uint32 imageWidth;
-	uint32 imageHeight;
-	Image::TGADecoder tga;
-	uint16 *buffer;
 	bool isTransposed = _renderTable.getRenderState() == RenderTable::PANORAMA;
-	// All ZVision images are in RGB 555
-	Graphics::PixelFormat pixelFormat555 = Graphics::PixelFormat(2, 5, 5, 5, 0, 10, 5, 0, 0);
-	destination.format = pixelFormat555;
-
-	bool isTGZ;
-
-	// Check for TGZ files
-	if (fileType == MKTAG('T', 'G', 'Z', '\0')) {
-		isTGZ = true;
-
-		// TGZ files have a header and then Bitmap data that is compressed with LZSS
-		uint32 decompressedSize = file.readSint32LE();
-		imageWidth = file.readSint32LE();
-		imageHeight = file.readSint32LE();
-
-		LzssReadStream lzssStream(&file);
-		buffer = (uint16 *)(new uint16[decompressedSize]);
-		lzssStream.read(buffer, decompressedSize);
-	} else {
-		isTGZ = false;
-
-		// Reset the cursor
-		file.seek(0);
-
-		// Decode
-		if (!tga.loadStream(file)) {
-			warning("Error while reading TGA image");
-			return;
-		}
-
-		Graphics::Surface tgaSurface = *(tga.getSurface());
-		imageWidth = tgaSurface.w;
-		imageHeight = tgaSurface.h;
-
-		buffer = (uint16 *)tgaSurface.getPixels();
-	}
-
-	// Flip the width and height if transposed
-	if (isTransposed) {
-		uint16 temp = imageHeight;
-		imageHeight = imageWidth;
-		imageWidth = temp;
-	}
-
-	// If the destination internal buffer is the same size as what we're copying into it,
-	// there is no need to free() and re-create
-	if (imageWidth != destination.w || imageHeight != destination.h) {
-		destination.create(imageWidth, imageHeight, pixelFormat555);
-	}
-
-	// If transposed, 'un-transpose' the data while copying it to the destination
-	// Otherwise, just do a simple copy
-	if (isTransposed) {
-		uint16 *dest = (uint16 *)destination.getPixels();
-
-		for (uint32 y = 0; y < imageHeight; ++y) {
-			uint32 columnIndex = y * imageWidth;
-
-			for (uint32 x = 0; x < imageWidth; ++x) {
-				dest[columnIndex + x] = buffer[x * imageHeight + y];
-			}
-		}
-	} else {
-		memcpy(destination.getPixels(), buffer, imageWidth * imageHeight * _pixelFormat.bytesPerPixel);
-	}
-
-	// Cleanup
-	if (isTGZ) {
-		delete[] buffer;
-	} else {
-		tga.destroy();
-	}
-
-	// Convert in place to RGB 565 from RGB 555
-	destination.convertToInPlace(_pixelFormat);
+	readImageToSurface(fileName, destination, isTransposed);
 }
 
 void RenderManager::readImageToSurface(const Common::String &fileName, Graphics::Surface &destination, bool transposed) {
-- 
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