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graphics/macgui/mactext-canvas.h
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211
graphics/macgui/mactext-canvas.h
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/* 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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef GRAPHICS_MACGUI_MACTEXTCANVAS_H
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#define GRAPHICS_MACGUI_MACTEXTCANVAS_H
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#include "graphics/macgui/macwindowmanager.h"
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#include "graphics/image-archive.h"
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namespace Graphics {
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class MacText;
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struct MacFontRun {
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Common::U32String text;
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uint16 fontId;
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byte textSlant;
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uint16 fontSize;
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uint16 palinfo1;
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uint16 palinfo2;
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uint16 palinfo3;
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uint32 fgcolor;
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const Font *font;
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MacWindowManager *wm;
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Common::String link; // Substitute to return when hover or click
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MacFontRun() {
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wm = nullptr;
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fontId = textSlant = fontSize = 0;
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palinfo1 = palinfo2 = palinfo3 = 0;
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fgcolor = 0;
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font = nullptr;
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}
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MacFontRun(MacWindowManager *wm_) {
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wm = wm_;
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fontId = textSlant = fontSize = 0;
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palinfo1 = palinfo2 = palinfo3 = 0;
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fgcolor = 0;
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font = nullptr;
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}
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MacFontRun(MacWindowManager *wm_, uint16 fontId_, byte textSlant_, uint16 fontSize_,
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uint16 palinfo1_, uint16 palinfo2_, uint16 palinfo3_) {
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setValues(wm_, fontId_, textSlant_, fontSize_, palinfo1_, palinfo2_, palinfo3_);
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}
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MacFontRun(MacWindowManager *wm_, const Font *font_, byte textSlant_, uint16 fontSize_,
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uint16 palinfo1_, uint16 palinfo2_, uint16 palinfo3_) {
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setValues(wm_, 0, textSlant_, fontSize_, palinfo1_, palinfo2_, palinfo3_);
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font = font_;
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}
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void setValues(MacWindowManager *wm_, uint16 fontId_, byte textSlant_, uint16 fontSize_,
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uint16 palinfo1_, uint16 palinfo2_, uint16 palinfo3_) {
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wm = wm_;
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fontId = fontId_;
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textSlant = textSlant_;
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fontSize = fontSize_;
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palinfo1 = palinfo1_;
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palinfo2 = palinfo2_;
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palinfo3 = palinfo3_;
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fgcolor = wm_->findBestColor(palinfo1_ & 0xff, palinfo2_ & 0xff, palinfo3_ & 0xff);
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font = nullptr;
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}
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const Font *getFont();
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const Common::String toString();
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bool equals(MacFontRun &to);
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Common::CodePage getEncoding();
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bool plainByteMode();
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Common::String getEncodedText();
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bool equals(const MacFontRun *y) {
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return (fontId == y->fontId &&
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textSlant == y->textSlant &&
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fontSize == y->fontSize &&
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palinfo1 == y->palinfo1 &&
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palinfo2 == y->palinfo2 &&
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palinfo3 == y->palinfo3 &&
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fgcolor == y->fgcolor);
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}
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void debugPrint();
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};
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struct MacTextLine;
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class MacTextCanvas {
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public:
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Common::Array<MacTextLine> _text;
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ManagedSurface *_surface = nullptr, *_shadowSurface = nullptr;
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int _maxWidth = 0;
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int _textMaxWidth = 0;
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int _textMaxHeight = 0;
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TextAlign _textAlignment = kTextAlignLeft;
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int _interLinear = 0;
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int _textShadow = 0;
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MacWindowManager *_wm = nullptr;
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uint32 _tfgcolor = 0;
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uint32 _tbgcolor = 0;
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bool _macFontMode = true;
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MacText *_macText;
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MacFontRun _defaultFormatting;
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ImageArchive _imageArchive;
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public:
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~MacTextCanvas();
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void recalcDims();
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void reallocSurface();
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void render(int from, int to);
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void render(int from, int to, int shadow);
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int getAlignOffset(int row);
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/**
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* Returns line width in pixels. This takes into account chunks.
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* The result is cached for faster subsequent calls.
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*
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* @param line Line number
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* @param enforce Flag for indicating skipping the cache and computing the width,
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* must be called when text gets changed
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* @param col Compute line width up to specified column, including this column
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* @return line width in pixels, or 0 for non-existent lines
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*/
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int getLineWidth(int line, bool enforce = false, int col = -1);
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int getLineHeight(int line);
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int getLineCharWidth(int line, bool enforce = false);
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void splitString(const Common::U32String &str, int curLine, MacFontRun &defaultFormatting);
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const Common::U32String::value_type *splitString(const Common::U32String::value_type *s, int curLine, MacFontRun &defaultFormatting);
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void chopChunk(const Common::U32String &str, int *curLinePtr, int indent, int maxWidth);
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Common::U32String getTextChunk(int startRow, int startCol, int endRow, int endCol, bool formatted = false, bool newlines = true);
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/**
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* Rewraps paragraph containing given text row.
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* When text is modified, we redo whole thing again without touching
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* other paragraphs. Also, cursor position is returned in the arguments
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*/
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void reshuffleParagraph(int *row, int *col, MacFontRun &defaultFormatting);
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void setMaxWidth(int maxWidth, MacFontRun &defaultFormatting);
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void debugPrint(const char *prefix = nullptr);
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private:
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void processTable(int line, int maxWidth);
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void parsePicExt(const Common::U32String &ext, uint16 &w, uint16 &h, int defpercent);
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};
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struct MacTextTableRow {
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Common::Array<MacTextCanvas> cells;
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int heght = -1;
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};
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struct MacTextLine {
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int width = -1;
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int height = -1;
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int minWidth = -1;
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int y = 0;
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int charwidth = -1;
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bool paragraphEnd = false;
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bool wordContinuation = false;
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int indent = 0; // in units
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int firstLineIndent = 0; // in pixels
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Common::Path picfname;
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Common::U32String picalt, pictitle, picext;
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uint16 picpercent = 50;
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Common::Array<MacTextTableRow> *table = nullptr;
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ManagedSurface *tableSurface = nullptr;
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Common::Array<MacFontRun> chunks;
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MacFontRun &firstChunk() { return chunks[0]; }
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MacFontRun &lastChunk() { return chunks[chunks.size() - 1]; }
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/**
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* Search for a chunk at given char column.
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*
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* @param col Requested column, gets modified with in-chunk column
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* @returns Chunk number
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*
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* @note If requested column is too big, returns last character in the line
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*/
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uint getChunkNum(int *col);
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};
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} // End of namespace Graphics
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#endif
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