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commandergenius/project/jni/application/alienblaster/font.cpp

159 lines
4.3 KiB
C++

/***************************************************************************
alienBlaster
Copyright (C) 2004
Paul Grathwohl, Arne Hormann, Daniel Kuehn, Soenke Schwardt
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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
***************************************************************************/
using namespace std;
#include "font.h"
#include "global.h"
#include "surfaceDB.h"
#include <iostream>
Font::Font(string fn) {
sprites[0] = surfaceDB.loadSurface( fn + "-1.bmp" );
sprites[1] = surfaceDB.loadSurface( fn + "-2.bmp" );
sprites[2] = surfaceDB.loadSurface( fn + "-3.bmp" );
charset = " ABCDEFGHIJKLMNOPQRSTUVWXYZÜÄÖabcdefghijklmnopqrstuvwxyzüäöß0123456789!\"§$%&/()=?*+'#,.-;:_@°\\";
// 94 Zeichen
charWidth = sprites[0]->w / MAX_CHARS_PER_TEXTURE;
charHeight = sprites[0]->h;
}
Font::~Font() {
;
}
void Font::setCharWidth(int width) {
charWidth = width;
}
int Font::getCharWidth() {
return charWidth;
}
int Font::getCharHeight() {
return sprites[0]->h;
}
void Font::drawInt(SdlCompat_AcceleratedSurface *screen, int posx, int posy, int val, int alignDigitCnt, int flags) {
int indent = 0;
int digitCnt = 1;
int i=1;
while ( val >= i*10 ) {
digitCnt++;
i *= 10;
}
// cout << endl << "drawInt.val=" << val << endl;
// cout << "drawInt.digitCnt=" << digitCnt << endl;
// cout << "drawInt.alignDigitCnt-old=" << alignDigitCnt << endl;
if (alignDigitCnt < digitCnt) {
alignDigitCnt = digitCnt;
}
// cout << "drawInt.alignDigitCnt-new=" << alignDigitCnt << endl;
if (flags & FONT_ALIGN_CENTERED) {
indent = -(alignDigitCnt * charWidth) / 2;
}
if (flags & FONT_ALIGN_RIGHT) {
indent = -(alignDigitCnt * charWidth);
}
SDL_Rect destR;
SDL_Rect srcR;
while (alignDigitCnt > 0) {
if ((digitCnt > 0) ||
((flags & FONT_ALIGN_FILL_ZERO) != 0)) {
destR.x = indent + posx + (alignDigitCnt-1) * charWidth;
destR.y = posy;
destR.w = charWidth;
destR.h = charHeight;
unsigned int charsetpos = charset.find( (char)((val % 10) + '0') );
if (charsetpos == string::npos )
charsetpos = 0; // Space
srcR.x = (charsetpos % MAX_CHARS_PER_TEXTURE) * charWidth;
// srcR.x = (1 + 2*26 + (val % 10)) * charWidth;
srcR.y = 0;
srcR.w = charWidth;
srcR.h = charHeight;
SDL_BlitSurface( sprites[charsetpos / MAX_CHARS_PER_TEXTURE], &srcR, screen, &destR );
}
val /= 10;
digitCnt--;
alignDigitCnt--;
}
}
void Font::drawStr(SdlCompat_AcceleratedSurface *screen, int posx, int posy, const string &text, int flags) {
int indent = 0;
if ( flags & (FONT_ALIGN_CENTERED | FONT_ALIGN_RIGHT) ) {
for(unsigned int i=0; i < text.size(); ++i) {
if (!(flags & FONT_MONOSPACE) && text[i] == ' ') {
indent += ((charWidth * 2) / 3);
} else {
indent += charWidth;
}
}
if (flags & FONT_ALIGN_CENTERED) {
indent = -indent / 2;
} else {
indent = -indent;
}
}
SDL_Rect destR;
SDL_Rect srcR;
int x = 0;
unsigned int charsetpos;
for(unsigned int i=0; i < text.size(); ++i) {
x = 0;
charsetpos = charset.find(text[i]);
if (charsetpos == string::npos )
charsetpos = 0; // Space
x = (charsetpos % MAX_CHARS_PER_TEXTURE) * charWidth;
destR.x = posx + indent;
destR.y = posy;
destR.w = charWidth;
destR.h = sprites[0]->h;
srcR.x = x;
srcR.y = 0;
srcR.w = charWidth;
srcR.h = sprites[0]->h;
SDL_BlitSurface( sprites[charsetpos / MAX_CHARS_PER_TEXTURE], &srcR, screen, &destR );
if (!(flags & FONT_MONOSPACE) && text[i] == ' ') {
posx += ((charWidth * 2) / 3);
} else {
posx += charWidth;
}
}
}