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55 lines
2.0 KiB
C++
55 lines
2.0 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "graphics/scalerplugin.h"
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SourceScaler::SourceScaler() {
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for (int i = 0; i < SRC_MAX; ++i) {
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oldSrcs[i] = NULL;
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}
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}
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void SourceScaler::setSource(const byte *src, uint pitch, int width, int height, int padding, SourceType type) {
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widths[type] = width;
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heights[type] = height;
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pitches[type] = pitch;
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newSrcs[type] = src;
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paddings[type] = padding;
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if (oldSrcs[type] != NULL)
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free(oldSrcs[type]);
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int size = (height + _format.bytesPerPixel * padding) * 2 * pitch;
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oldSrcs[type] = new byte[size];
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memset(oldSrcs[type], 0, size);
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}
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void SourceScaler::oldSrcScale(byte *dst, uint dstPitch, SourceType type) {
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// Call user defined scale function
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internScale(newSrcs[type] + paddings[type] * 2 + pitches[type] * paddings[type], pitches[type],
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dst, dstPitch,
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oldSrcs[type] + paddings[type] * 2 + pitches[type] * paddings[type], pitches[type],
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widths[type], heights[type]);
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// Update old src
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memcpy(oldSrcs[type], newSrcs[type], (heights[type] + _format.bytesPerPixel * paddings[type]) * 2 * pitches[type]);
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}
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