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46 #ifndef vtkTextRenderer_h
47 #define vtkTextRenderer_h
49 #include "vtkRenderingCoreModule.h"
61 class RegularExpression;
85 TopLeft(0), TopRight(0), BottomLeft(0), BottomRight(0)
148 vtkGetMacro(DefaultBackend,
int)
174 int bbox[4],
int dpi,
int backend = Default)
176 return this->GetBoundingBoxInternal(tprop, str, bbox, dpi, backend);
179 int bbox[4],
int dpi,
int backend = Default)
181 return this->GetBoundingBoxInternal(tprop, str, bbox, dpi, backend);
193 Metrics &metrics,
int dpi,
int backend = Default)
195 return this->GetMetricsInternal(tprop, str, metrics, dpi, backend);
198 Metrics &metrics,
int dpi,
int backend = Default)
200 return this->GetMetricsInternal(tprop, str, metrics, dpi, backend);
221 int backend = Default)
223 return this->RenderStringInternal(tprop, str,
data, textDims, dpi, backend);
227 int backend = Default)
229 return this->RenderStringInternal(tprop, str,
data, textDims, dpi, backend);
241 int targetWidth,
int targetHeight,
int dpi,
242 int backend = Default)
244 return this->GetConstrainedFontSizeInternal(str, tprop, targetWidth,
245 targetHeight, dpi, backend);
248 int targetWidth,
int targetHeight,
int dpi,
249 int backend = Default)
251 return this->GetConstrainedFontSizeInternal(str, tprop, targetWidth,
252 targetHeight, dpi, backend);
265 vtkPath *path,
int dpi,
int backend = Default)
267 return this->StringToPathInternal(tprop, str, path, dpi, backend);
270 vtkPath *path,
int dpi,
int backend = Default)
272 return this->StringToPathInternal(tprop, str, path, dpi, backend);
284 this->SetScaleToPowerOfTwoInternal(
scale);
299 int bbox[4],
int dpi,
int backend) = 0;
302 int bbox[4],
int dpi,
int backend) = 0;
305 Metrics &metrics,
int dpi,
int backend) = 0;
308 Metrics &metrics,
int dpi,
int backend) = 0;
312 int dpi,
int backend) = 0;
316 int dpi,
int backend) = 0;
317 virtual int GetConstrainedFontSizeInternal(
const vtkStdString &str,
319 int targetWidth,
int targetHeight,
320 int dpi,
int backend) = 0;
323 int targetWidth,
int targetHeight,
324 int dpi,
int backend) = 0;
327 int dpi,
int backend) = 0;
330 int dpi,
int backend) = 0;
331 virtual void SetScaleToPowerOfTwoInternal(
bool scale) = 0;
369 #endif //vtkTextRenderer_h
Backend
Available backends.
void SetScaleToPowerOfTwo(bool scale)
Set to true if the graphics implmentation requires texture image dimensions to be a power of two.
Metrics()
Construct a Metrics object with all members initialized to 0.
int GetConstrainedFontSize(const vtkStdString &str, vtkTextProperty *tprop, int targetWidth, int targetHeight, int dpi, int backend=Default)
This function returns the font size (in points) and sets the size in tprop that is required to fit th...
static vtkTextRendererCleanup Cleanup
static vtkObject * New()
Create an object with Debug turned off, modified time initialized to zero, and reference counting on.
virtual bool MathTextIsSupported()
concrete dataset representing a path defined by Bezier curves.
abstract base class for most VTK objects
static vtkTextRenderer * Instance
The singleton instance and the singleton cleanup instance.
vtkVector2i TopLeft
The corners of the rendered text (or background, if applicable), in pixels.
vtksys::RegularExpression * MathTextRegExp
bool GetBoundingBox(vtkTextProperty *tprop, const vtkStdString &str, int bbox[4], int dpi, int backend=Default)
Given a text property and a string, get the bounding box {xmin, xmax, ymin, ymax} of the rendered str...
bool GetMetrics(vtkTextProperty *tprop, const vtkUnicodeString &str, Metrics &metrics, int dpi, int backend=Default)
virtual bool FreeTypeIsSupported()
Test for availability of various backends.
bool StringToPath(vtkTextProperty *tprop, const vtkUnicodeString &str, vtkPath *path, int dpi, int backend=Default)
vtksys::RegularExpression * MathTextRegExp2
int DefaultBackend
The backend to use when none is specified.
bool GetBoundingBox(vtkTextProperty *tprop, const vtkUnicodeString &str, int bbox[4], int dpi, int backend=Default)
topologically and geometrically regular array of data
a simple class to control print indentation
String class that stores Unicode text.
bool RenderString(vtkTextProperty *tprop, const vtkUnicodeString &str, vtkImageData *data, int textDims[2], int dpi, int backend=Default)
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
vtkTuple< int, 4 > BoundingBox
The axis-aligned bounding box of the rendered text and background, in pixels.
bool GetMetrics(vtkTextProperty *tprop, const vtkStdString &str, Metrics &metrics, int dpi, int backend=Default)
Given a text property and a string, get some metrics for the rendered string.
bool StringToPath(vtkTextProperty *tprop, const vtkStdString &str, vtkPath *path, int dpi, int backend=Default)
Given a text property and a string, this function populates the vtkPath path with the outline of the ...
represent text properties.
vtkSetMacro(IgnoreDriverBugs, bool)
Updates the extensions string.
Interface for generating images and path data from string data, using multiple backends.
Some derived classes for the different vectors commonly used.
Wrapper around std::string to keep symbols short.
int GetConstrainedFontSize(const vtkUnicodeString &str, vtkTextProperty *tprop, int targetWidth, int targetHeight, int dpi, int backend=Default)
bool RenderString(vtkTextProperty *tprop, const vtkStdString &str, vtkImageData *data, int textDims[2], int dpi, int backend=Default)
Given a text property and a string, this function initializes the vtkImageData *data and renders it i...