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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 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.
*
* $URL$
* $Id$
*
*/
#include "common/stdafx.h"
#include "common/endian.h"
#include "touche/graphics.h"
namespace Touche {
void Graphics::setupFont(Common::Language language) {
switch (language) {
case Common::FR_FRA:
case Common::DE_DEU:
_fontOffs = _freGerFontOffs;
_fontSize = _freGerFontSize;
_fontData = _freGerFontData;
break;
case Common::ES_ESP:
_fontOffs = _spaFontOffs;
_fontSize = _spaFontSize;
_fontData = _spaFontData;
break;
case Common::IT_ITA:
case Common::EN_ANY:
default:
_fontOffs = _engFontOffs;
_fontSize = _engFontSize;
_fontData = _engFontData;
break;
}
}
int Graphics::getStringWidth16(const char *str) {
int w = 0;
while (*str) {
char chr = *str++;
w += getCharWidth16((uint8)chr);
if (*str == '\\') {
break;
}
}
return w;
}
int Graphics::getCharWidth16(uint8 chr) {
assert(chr >= 32 && chr < 32 + _fontSize);
const uint8 *chrData = _fontData + _fontOffs[chr - 32];
return chrData[2];
}
void Graphics::drawString16(uint8 *dst, int dstPitch, uint16 color, int x, int y, const char *str) {
while (*str) {
uint8 chr = (uint8)*str++;
x += drawChar16(dst, dstPitch, chr, x, y, color);
}
}
int Graphics::drawChar16(uint8 *dst, int dstPitch, uint8 chr, int x, int y, uint16 color) {
dst += y * dstPitch + x;
uint8 color1 = color & 0xFF;
uint8 color2 = color >> 8;
assert(chr >= 32 && chr < 32 + _fontSize);
const uint8 *chrData = _fontData + _fontOffs[chr - 32];
int chrHeight = chrData[1];
int chrWidth = chrData[2];
chrData += 3;
while (chrHeight--) {
int shiftCount = 0;
int mask = 0;
for (int i = 0; i < chrWidth; ++i) {
if (shiftCount == 0) {
mask = READ_BE_UINT16(chrData); chrData += 2;
shiftCount = 8;
}
int b = (mask & 0xC000) >> 14;
mask <<= 2;
--shiftCount;
if (b) {
if (b & 2) {
dst[i] = color2;
} else {
dst[i] = color1;
}
}
}
dst += dstPitch;
}
return chrWidth;
}
void Graphics::fillRect(uint8 *dst, int dstPitch, int x, int y, int w, int h, uint8 color) {
dst += y * dstPitch + x;
while (h--) {
memset(dst, color, w);
dst += dstPitch;
}
}
void Graphics::drawRect(uint8 *dst, int dstPitch, int x, int y, int w, int h, uint8 color1, uint8 color2) {
const int x1 = x;
const int y1 = y;
const int x2 = x + w - 1;
const int y2 = y + h - 1;
drawLine(dst, dstPitch, x1, y1, x2, y1, color1);
drawLine(dst, dstPitch, x1, y1, x1, y2, color1);
drawLine(dst, dstPitch, x2, y1 + 1, x2, y2, color2);
drawLine(dst, dstPitch, x1 + 1, y2, x2, y2, color2);
}
void Graphics::drawLine(uint8 *dst, int dstPitch, int x1, int y1, int x2, int y2, uint8 color) {
assert(x1 >= 0 && y1 >= 0 && x2 >= 0 && y2 >= 0);
dst += y1 * dstPitch + x1;
int yInc, dy = y2 - y1;
if (dy < 0) {
dy = -dy;
yInc = -dstPitch;
} else {
yInc = dstPitch;
}
int xInc, dx = x2 - x1;
if (dx < 0) {
dx = -dx;
xInc = -1;
} else {
xInc = 1;
}
int step = 0;
if (dx > dy) {
for (int i = 0; i < dx + 1; ++i) {
*dst = color;
dst += xInc;
step += dy;
if (step > dx) {
step -= dx;
dst += yInc;
}
}
} else {
for (int i = 0; i < dy + 1; ++i) {
*dst = color;
dst += yInc;
step += dx;
if (step > 0) {
step -= dy;
dst += xInc;
}
}
}
}
void Graphics::copyRect(uint8 *dst, int dstPitch, int dstX, int dstY, const uint8 *src, int srcPitch, int srcX, int srcY, int w, int h, int flags) {
if (w != 0 && h != 0) {
dst += dstY * dstPitch + dstX;
src += srcY * srcPitch + srcX;
while (h--) {
for (int i = 0; i < w; ++i) {
if ((flags & kTransparent) == 0 || src[i] != 0) {
dst[i] = src[i];
}
}
dst += dstPitch;
src += srcPitch;
}
}
}
void Graphics::copyMask(uint8 *dst, int dstPitch, int dstX, int dstY, const uint8 *src, int srcPitch, int srcX, int srcY, int w, int h, uint8 fillColor) {
if (w != 0 && h != 0) {
dst += dstY * dstPitch + dstX;
src += srcY * srcPitch + srcX;
while (h--) {
for (int i = 0; i < w; ++i) {
if (src[i] != 0) {
dst[i] = fillColor;
}
}
dst += dstPitch;
src += srcPitch;
}
}
}
} // namespace Touche
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