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Diffstat (limited to 'gui/font.cpp')
| -rw-r--r-- | gui/font.cpp | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/gui/font.cpp b/gui/font.cpp deleted file mode 100644 index 5d68eb7f07..0000000000 --- a/gui/font.cpp +++ /dev/null @@ -1,156 +0,0 @@ -/* ScummVM - Scumm Interpreter - * Copyright (C) 2002-2004 The ScummVM project - * - * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * $Header$ - */ - -#include "common/stdafx.h" -#include "gui/font.h" - -namespace GUI { - -int NewFont::getCharWidth(byte chr) const { - // If no width table is specified, return the maximum width - if (!width) - return maxwidth; - // If this character is not included in the font, use the default char. - if (chr < firstchar || firstchar + size < chr) { - if (chr == ' ') - return maxwidth / 2; - chr = defaultchar; - } - return width[chr - firstchar]; -} - -void NewFont::drawChar(const Surface *dst, byte chr, int x, int y, uint32 color) const { - assert(dst != 0); - byte *ptr = (byte *)dst->pixels + x * dst->bytesPerPixel + y * dst->pitch; - - assert(bits != 0 && maxwidth <= 16); - assert(dst->bytesPerPixel == 1 || dst->bytesPerPixel == 2); - - // If this character is not included in the font, use the default char. - if (chr < firstchar || chr >= firstchar + size) { - if (chr == ' ') - return; - chr = defaultchar; - } - - const int w = getCharWidth(chr); - chr -= firstchar; - const bitmap_t *tmp = bits + (offset ? offset[chr] : (chr * height)); - - for (y = 0; y < height; y++) { - const bitmap_t buffer = *tmp++; - bitmap_t mask = 0x8000; - for (x = 0; x < w; x++) { - if ((buffer & mask) != 0) { - if (dst->bytesPerPixel == 1) - ptr[x] = color; - else if (dst->bytesPerPixel == 2) - ((uint16 *)ptr)[x] = color; - } - mask >>= 1; - } - ptr += dst->pitch; - } -} - - -#pragma mark - - - -int Font::getStringWidth(const Common::String &str) const { - int space = 0; - - for (uint i = 0; i < str.size(); ++i) - space += getCharWidth(str[i]); - return space; -} - -void Font::drawString(const Surface *dst, const Common::String &s, int x, int y, int w, uint32 color, TextAlignment align, int deltax, bool useEllipsis) const { - assert(dst != 0); - const int leftX = x, rightX = x + w; - uint i; - int width = getStringWidth(s); - Common::String str; - - if (useEllipsis && width > w) { - // String is too wide. So we shorten it "intellegently", by replacing - // parts of it by an ellipsis ("..."). There are three possibilities - // for this: replace the start, the end, or the middle of the string. - // What is best really depends on the context; but unless we want to - // make this configurable, replacing the middle probably is a good - // compromise. - const int ellipsisWidth = getStringWidth("..."); - - // SLOW algorithm to remove enough of the middle. But it is good enough - // for now. - const int halfWidth = (w - ellipsisWidth) / 2; - int w2 = 0; - - for (i = 0; i < s.size(); ++i) { - int charWidth = getCharWidth(s[i]); - if (w2 + charWidth > halfWidth) - break; - w2 += charWidth; - str += s[i]; - } - // At this point we know that the first 'i' chars are together 'w2' - // pixels wide. We took the first i-1, and add "..." to them. - str += "..."; - - // The original string is width wide. Of those we already skipped past - // w2 pixels, which means (width - w2) remain. - // The new str is (w2+ellipsisWidth) wide, so we can accomodate about - // (w - (w2+ellipsisWidth)) more pixels. - // Thus we skip ((width - w2) - (w - (w2+ellipsisWidth))) = - // (width + ellipsisWidth - w) - int skip = width + ellipsisWidth - w; - for (; i < s.size() && skip > 0; ++i) { - skip -= getCharWidth(s[i]); - } - - // Append the remaining chars, if any - for (; i < s.size(); ++i) { - str += s[i]; - } - - width = getStringWidth(str); - - } else { - str = s; - } - - if (align == kTextAlignCenter) - x = x + (w - width - 1)/2; - else if (align == kTextAlignRight) - x = x + w - width; - x += deltax; - - for (i = 0; i < str.size(); ++i) { - w = getCharWidth(str[i]); - if (x+w > rightX) - break; - if (x >= leftX) - drawChar(dst, str[i], x, y, color); - x += w; - } -} - - -} // End of namespace GUI |