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https://github.com/amyinspace/MagicSetEditor2.git
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Change tabs to two spaces.
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Lymia Aluysia
+116
-116
@@ -35,124 +35,124 @@
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*/
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class TextViewer {
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public:
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/// Information on a line in the textbox
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struct Line;
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TextViewer();
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~TextViewer();
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// --------------------------------------------------- : Drawing
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/// Draw the given text with the given text style
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/** The drawing information is cached,
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* before calling draw again with different text/style reset() should be called
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*/
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void draw(RotatedDC& dc, const TextStyle& style, DrawWhat what);
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/// Draw an indicator for selected text
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void drawSelection(RotatedDC& dc, const TextStyle& style, size_t sel_start, size_t sel_end);
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/// Draw separators for <line> tags
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void drawSeparators(RotatedDC& dc);
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/// Prepare the text for drawing, if it is not already prepared
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/** Returns true if something has been done */
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bool prepare(RotatedDC& dc, const String& text, TextStyle& style, Context&);
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/// Reset the cached data, at a new call to draw it will be recalculated
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/** If related, the new value is related to the old one, and layout information should be reused where possible
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*/
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void reset(bool related);
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/// Is the viewer prepare()d?
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bool prepared() const;
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// --------------------------------------------------- : Positions
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/// Find the character index that is on a line above/below index
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/** If this would move outisde the text, returns the input index */
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size_t moveLine(size_t index, int delta) const;
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/// The character index of the start of the line that character #index is on
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size_t lineStart(size_t index) const;
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/// The character index past the end of the line that character #index is on
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size_t lineEnd (size_t index) const;
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/// Find the index of the character at the given position
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/** If the position is before everything returns 0,
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* if it is after everything returns text.size().
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* The position is in internal coordinates */
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size_t indexAt(const RealPoint& pos) const;
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/// Find the position of the character at the given index
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/** The position is in internal coordinates */
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RealPoint posOf(size_t index) const;
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/// Return the rectangle around a single character
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/** If 'first' prefers earlier lines */
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RealRect charRect(size_t index, bool first) const;
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/// Is the character at the given index visible?
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bool isVisible(size_t index) const;
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/// Find the first character index that is at/before/after the given index, and which has a nonzero width
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/** More precisely: it returns a position so that the character after it in the direction delta has nonzero width
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*/
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size_t firstVisibleChar(size_t index, int delta) const;
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/// Return the height of the last line
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double heightOfLastLine() const;
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// --------------------------------------------------- : Lines/scrolling
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/// The total number of lines
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size_t lineCount() const;
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/// number of fully visible lines, height gives the height of the box
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size_t visibleLineCount(double height) const;
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/// the index of the first visible line
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size_t firstVisibleLine() const;
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// scroll so line_id becomes the first visible line
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void scrollTo(size_t line_id);
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/// Ensure the specified character is fully visible
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/* Always scrolls by a whole line.
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* Returns true if the editor has scrolled.
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*/
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bool ensureVisible(double height, size_t char_id);
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/// Get exact scroll position
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double getExactScrollPosition() const;
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/// Set exact scroll position
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void setExactScrollPosition(double pos);
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/// Information on a line in the textbox
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struct Line;
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TextViewer();
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~TextViewer();
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// --------------------------------------------------- : Drawing
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/// Draw the given text with the given text style
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/** The drawing information is cached,
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* before calling draw again with different text/style reset() should be called
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*/
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void draw(RotatedDC& dc, const TextStyle& style, DrawWhat what);
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/// Draw an indicator for selected text
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void drawSelection(RotatedDC& dc, const TextStyle& style, size_t sel_start, size_t sel_end);
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/// Draw separators for <line> tags
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void drawSeparators(RotatedDC& dc);
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/// Prepare the text for drawing, if it is not already prepared
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/** Returns true if something has been done */
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bool prepare(RotatedDC& dc, const String& text, TextStyle& style, Context&);
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/// Reset the cached data, at a new call to draw it will be recalculated
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/** If related, the new value is related to the old one, and layout information should be reused where possible
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*/
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void reset(bool related);
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/// Is the viewer prepare()d?
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bool prepared() const;
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// --------------------------------------------------- : Positions
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/// Find the character index that is on a line above/below index
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/** If this would move outisde the text, returns the input index */
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size_t moveLine(size_t index, int delta) const;
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/// The character index of the start of the line that character #index is on
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size_t lineStart(size_t index) const;
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/// The character index past the end of the line that character #index is on
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size_t lineEnd (size_t index) const;
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/// Find the index of the character at the given position
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/** If the position is before everything returns 0,
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* if it is after everything returns text.size().
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* The position is in internal coordinates */
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size_t indexAt(const RealPoint& pos) const;
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/// Find the position of the character at the given index
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/** The position is in internal coordinates */
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RealPoint posOf(size_t index) const;
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/// Return the rectangle around a single character
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/** If 'first' prefers earlier lines */
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RealRect charRect(size_t index, bool first) const;
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/// Is the character at the given index visible?
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bool isVisible(size_t index) const;
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/// Find the first character index that is at/before/after the given index, and which has a nonzero width
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/** More precisely: it returns a position so that the character after it in the direction delta has nonzero width
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*/
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size_t firstVisibleChar(size_t index, int delta) const;
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/// Return the height of the last line
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double heightOfLastLine() const;
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// --------------------------------------------------- : Lines/scrolling
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/// The total number of lines
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size_t lineCount() const;
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/// number of fully visible lines, height gives the height of the box
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size_t visibleLineCount(double height) const;
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/// the index of the first visible line
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size_t firstVisibleLine() const;
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// scroll so line_id becomes the first visible line
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void scrollTo(size_t line_id);
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/// Ensure the specified character is fully visible
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/* Always scrolls by a whole line.
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* Returns true if the editor has scrolled.
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*/
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bool ensureVisible(double height, size_t char_id);
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/// Get exact scroll position
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double getExactScrollPosition() const;
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/// Set exact scroll position
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void setExactScrollPosition(double pos);
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private:
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/// Scroll all lines a given amount
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void scrollBy(double delta);
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/// Scroll all lines a given amount
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void scrollBy(double delta);
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private:
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// --------------------------------------------------- : More drawing
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double scale; ///< Scale when drawing
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// --------------------------------------------------- : Elements
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TextElements elements; ///< The elements of the prepared text
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/// Find the elements in a string and add them to elements
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void prepareElements(const String&, const TextStyle& style, Context& ctx);
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// --------------------------------------------------- : Lines
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vector<Line> lines; ///< The lines in the text box
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/// Prepare the lines, layout the text
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void prepareLines(RotatedDC& dc, const String& text, TextStyle& style, Context& ctx);
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/// Find the scale to use for the text
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void prepareLinesTryScales(RotatedDC& dc, const String& text, const TextStyle& style, vector<CharInfo>& chars_out);
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/// Prepare the lines, layout the text; at a specific scale
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/** Stores output in lines_out */
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bool prepareLinesScale(RotatedDC& dc, const vector<CharInfo>& chars, const TextStyle& style, bool stop_if_too_long, vector<Line>& lines_out) const;
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/// Align the lines within the textbox
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void alignLines(RotatedDC& dc, const vector<CharInfo>& chars, const TextStyle& style);
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/// Align the lines of a single paragraph (a set of lines)
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void alignParagraph(size_t start_line, size_t end_line, const vector<CharInfo>& chars, const TextStyle& style, const RealRect& box);
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/// Find the line the given index is on, returns the first line if the index is not found
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const Line& findLine(size_t index) const;
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// helper : get the start coordinate of a line, this is 0 unless there is a contour mask
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double lineLeft (RotatedDC& dc, const TextStyle& style, double y) const;
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// helper : get the end coordinate of a line, this is width unless there is a contour mask
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double lineRight(RotatedDC& dc, const TextStyle& style, double y) const;
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// --------------------------------------------------- : More drawing
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double scale; ///< Scale when drawing
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// --------------------------------------------------- : Elements
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TextElements elements; ///< The elements of the prepared text
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/// Find the elements in a string and add them to elements
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void prepareElements(const String&, const TextStyle& style, Context& ctx);
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// --------------------------------------------------- : Lines
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vector<Line> lines; ///< The lines in the text box
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/// Prepare the lines, layout the text
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void prepareLines(RotatedDC& dc, const String& text, TextStyle& style, Context& ctx);
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/// Find the scale to use for the text
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void prepareLinesTryScales(RotatedDC& dc, const String& text, const TextStyle& style, vector<CharInfo>& chars_out);
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/// Prepare the lines, layout the text; at a specific scale
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/** Stores output in lines_out */
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bool prepareLinesScale(RotatedDC& dc, const vector<CharInfo>& chars, const TextStyle& style, bool stop_if_too_long, vector<Line>& lines_out) const;
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/// Align the lines within the textbox
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void alignLines(RotatedDC& dc, const vector<CharInfo>& chars, const TextStyle& style);
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/// Align the lines of a single paragraph (a set of lines)
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void alignParagraph(size_t start_line, size_t end_line, const vector<CharInfo>& chars, const TextStyle& style, const RealRect& box);
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/// Find the line the given index is on, returns the first line if the index is not found
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const Line& findLine(size_t index) const;
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// helper : get the start coordinate of a line, this is 0 unless there is a contour mask
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double lineLeft (RotatedDC& dc, const TextStyle& style, double y) const;
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// helper : get the end coordinate of a line, this is width unless there is a contour mask
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double lineRight(RotatedDC& dc, const TextStyle& style, double y) const;
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};
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