diff options
Diffstat (limited to 'engines/wintermute/Base/gfx/base_image.cpp')
-rw-r--r-- | engines/wintermute/Base/gfx/base_image.cpp | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/engines/wintermute/Base/gfx/base_image.cpp b/engines/wintermute/Base/gfx/base_image.cpp new file mode 100644 index 0000000000..e6a6881807 --- /dev/null +++ b/engines/wintermute/Base/gfx/base_image.cpp @@ -0,0 +1,269 @@ +/* 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.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+#include "engines/wintermute/dcgf.h"
+#include "engines/wintermute/Base/gfx/base_image.h"
+#include "engines/wintermute/Base/BGame.h"
+#include "engines/wintermute/Base/BFileManager.h"
+#include "engines/wintermute/graphics/transparentSurface.h"
+#include "engines/wintermute/utils/StringUtil.h"
+#include "graphics/decoders/png.h"
+#include "graphics/decoders/jpeg.h"
+#include "graphics/decoders/bmp.h"
+#include "graphics/surface.h"
+#include "engines/wintermute/graphics/tga.h"
+#include "common/textconsole.h"
+#include "common/stream.h"
+#include "common/system.h"
+
+namespace WinterMute {
+
+//////////////////////////////////////////////////////////////////////
+CBImage::CBImage(CBGame *inGame, FIBITMAP *bitmap): CBBase(inGame) {
+#if 0
+ _bitmap = bitmap;
+#endif
+ _bitmap = NULL;
+ _palette = NULL;
+ _surface = NULL;
+ _decoder = NULL;
+ _deletableSurface = NULL;
+}
+
+
+//////////////////////////////////////////////////////////////////////
+CBImage::~CBImage() {
+ /* delete _bitmap; */
+ delete _decoder;
+ if (_deletableSurface) {
+ _deletableSurface->free();
+ }
+ delete _deletableSurface;
+#if 0
+ if (_bitmap) FreeImage_Unload(_bitmap);
+#endif
+}
+
+bool CBImage::loadFile(const Common::String &filename) {
+ _filename = filename;
+ _filename.toLowercase();
+ if (StringUtil::startsWith(filename, "savegame:", true)) {
+ _decoder = new Graphics::BitmapDecoder();
+ } else if (_filename.hasSuffix(".png")) {
+ _decoder = new Graphics::PNGDecoder();
+ } else if (_filename.hasSuffix(".bmp")) {
+ _decoder = new Graphics::BitmapDecoder();
+ } else if (_filename.hasSuffix(".tga")) {
+ _decoder = new WinterMute::TGA();
+ } else if (_filename.hasSuffix(".jpg")) {
+ _decoder = new Graphics::JPEGDecoder();
+ } else {
+ error("CBImage::loadFile : Unsupported fileformat %s", filename.c_str());
+ }
+ _filename = filename;
+ Common::SeekableReadStream *file = _gameRef->_fileManager->openFile(filename.c_str());
+ if (!file) return STATUS_FAILED;
+
+ _decoder->loadStream(*file);
+ _surface = _decoder->getSurface();
+ _palette = _decoder->getPalette();
+ _gameRef->_fileManager->closeFile(file);
+
+ return STATUS_OK;
+}
+
+byte CBImage::getAlphaAt(int x, int y) {
+ if (!_surface) return 0xFF;
+ uint32 color = *(uint32 *)_surface->getBasePtr(x, y);
+ byte r, g, b, a;
+ _surface->format.colorToARGB(color, a, r, g, b);
+ return a;
+}
+
+void CBImage::copyFrom(Graphics::Surface *surface) {
+ _surface = _deletableSurface = new Graphics::Surface();
+ _deletableSurface->copyFrom(*surface);
+}
+
+//////////////////////////////////////////////////////////////////////////
+bool CBImage::saveBMPFile(const char *filename) {
+#if 0
+ if (!_bitmap) return STATUS_FAILED;
+
+ if (FreeImage_Save(FIF_BMP, _bitmap, filename)) return STATUS_OK;
+ else return STATUS_FAILED;
+#endif
+ return STATUS_FAILED;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool CBImage::resize(int newWidth, int newHeight) {
+#if 0
+ if (!_bitmap) return STATUS_FAILED;
+
+ if (newWidth == 0) NewWidth = FreeImage_GetWidth(_bitmap);
+ if (newHeight == 0) NewHeight = FreeImage_GetHeight(_bitmap);
+
+
+ FIBITMAP *newImg = FreeImage_Rescale(_bitmap, NewWidth, NewHeight, FILTER_BILINEAR);
+ if (newImg) {
+ FreeImage_Unload(_bitmap);
+ _bitmap = newImg;
+ return STATUS_OK;
+ } else return STATUS_FAILED;
+#endif
+ return STATUS_FAILED;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool CBImage::writeBMPToStream(Common::WriteStream *stream) {
+ if (!_surface) return false;
+
+ /* The following is just copied over and inverted to write-ops from the BMP-decoder */
+ stream->writeByte('B');
+ stream->writeByte('M');
+
+ /* Since we don't care during reads, we don't care during writes: */
+ /* uint32 fileSize = */
+ stream->writeUint32LE(54 + _surface->h * _surface->pitch);
+ /* uint16 res1 = */
+ stream->writeUint16LE(0);
+ /* uint16 res2 = */
+ stream->writeUint16LE(0);
+ const uint32 imageOffset = 54;
+ stream->writeUint32LE(imageOffset);
+
+ const uint32 infoSize = 40; /* Windows v3 BMP */
+ stream->writeUint32LE(infoSize);
+
+ uint32 width = _surface->w;
+ int32 height = _surface->h;
+ stream->writeUint32LE(width);
+ stream->writeUint32LE((uint32)height);
+
+ if (width == 0 || height == 0)
+ return false;
+
+ if (height < 0) {
+ warning("Right-side up bitmaps not supported");
+ return false;
+ }
+
+ /* uint16 planes = */ stream->writeUint16LE(1);
+ const uint16 bitsPerPixel = 24;
+ stream->writeUint16LE(bitsPerPixel);
+
+ const uint32 compression = 0;
+ stream->writeUint32LE(compression);
+
+ /* uint32 imageSize = */
+ stream->writeUint32LE(_surface->h * _surface->pitch);
+ /* uint32 pixelsPerMeterX = */
+ stream->writeUint32LE(0);
+ /* uint32 pixelsPerMeterY = */
+ stream->writeUint32LE(0);
+ const uint32 paletteColorCount = 0;
+ stream->writeUint32LE(paletteColorCount);
+ /* uint32 colorsImportant = */
+ stream->writeUint32LE(0);
+
+ // Start us at the beginning of the image (54 bytes in)
+ Graphics::PixelFormat format = Graphics::PixelFormat::createFormatCLUT8();
+
+ // BGRA for 24bpp
+ if (bitsPerPixel == 24)
+ format = Graphics::PixelFormat(4, 8, 8, 8, 8, 8, 16, 24, 0);
+
+ Graphics::Surface *surface = _surface->convertTo(format);
+
+ int srcPitch = width * (bitsPerPixel >> 3);
+ const int extraDataLength = (srcPitch % 4) ? 4 - (srcPitch % 4) : 0;
+
+ for (int32 i = height - 1; i >= 0; i--) {
+ for (uint32 j = 0; j < width; j++) {
+ byte b, g, r;
+ uint32 color = *(uint32 *)surface->getBasePtr(j, i);
+ surface->format.colorToRGB(color, r, g, b);
+ stream->writeByte(b);
+ stream->writeByte(g);
+ stream->writeByte(r);
+ }
+
+ for (int k = 0; k < extraDataLength; k++) {
+ stream->writeByte(0);
+ }
+ }
+ surface->free();
+ delete surface;
+ return true;
+
+ //*BufferSize = 0;
+#if 0
+ FIMEMORY *fiMem = FreeImage_OpenMemory();
+ FreeImage_SaveToMemory(FIF_PNG, _bitmap, fiMem);
+ uint32 size;
+ byte *data;
+ FreeImage_AcquireMemory(fiMem, &data, &size);
+
+
+ byte *Buffer = new byte[size];
+ memcpy(Buffer, data, size);
+
+ FreeImage_CloseMemory(fiMem);
+
+ if (BufferSize) *BufferSize = size;
+
+ return Buffer;
+#endif
+ return false;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+bool CBImage::copyFrom(CBImage *origImage, int newWidth, int newHeight) {
+#if 0
+ if (_bitmap) FreeImage_Unload(_bitmap);
+
+ if (NewWidth == 0) NewWidth = FreeImage_GetWidth(OrigImage->GetBitmap());
+ if (NewHeight == 0) NewHeight = FreeImage_GetHeight(OrigImage->GetBitmap());
+
+ _bitmap = FreeImage_Rescale(OrigImage->GetBitmap(), NewWidth, NewHeight, FILTER_BILINEAR);
+#endif
+ TransparentSurface temp(*origImage->_surface, false);
+ if (_deletableSurface) {
+ _deletableSurface->free();
+ delete _deletableSurface;
+ _deletableSurface = NULL;
+ }
+ _surface = _deletableSurface = temp.scale(newWidth, newHeight);
+ return STATUS_OK;
+}
+
+} // end of namespace WinterMute
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