26 #ifndef __TERRALIB_QT_WIDGETS_INTERNAL_CANVAS_H
27 #define __TERRALIB_QT_WIDGETS_INTERNAL_CANVAS_H
30 #include "../../../maptools/Canvas.h"
31 #include "../Config.h"
70 Canvas(
int w,
int h,
int devType = QInternal::Pixmap);
79 Canvas(QPaintDevice* device);
91 void setWindow(
const double& llx,
const double& lly,
92 const double& urx,
const double& ury);
94 void calcAspectRatio(
double& llx,
double& lly,
double& urx,
double& ury,
107 void resize(
int w,
int h);
109 int getWidth()
const;
111 int getHeight()
const;
129 void save(
const char* fileName,
te::map::ImageType t,
int quality = 75,
int fg = 0)
const;
135 void freeImage(
char* img)
const;
145 void drawImage(
int x,
int y,
int w,
int h,
char* src, std::size_t size,
te::map::ImageType t);
149 void drawImage(
int x,
int y,
int w,
int h,
char* src, std::size_t size,
te::map::ImageType t,
int sx,
int sy,
int sw,
int sh);
151 void drawImage(
int x,
int y,
int w,
int h,
te::color::RGBAColor** src,
int sx,
int sy,
int sw,
int sh);
155 void drawImage(
int x,
int y,
int w,
int h,
te::rst::Raster* src,
int sx,
int sy,
int sw,
int sh,
int opacity =
TE_OPAQUE);
157 void drawPixel(
int x,
int y);
161 void drawText(
int x,
int y,
162 const std::string& txt,
168 const std::string& txt,
173 void drawText(
const double& x,
const double& y,
174 const std::string& txt,
182 const std::string& txt,
188 const std::string& txt,
194 const std::string& txt,
201 void setTextOpacity(
int opacity);
203 void setFontFamily(
const std::string& family);
205 void setTextPointSize(
double psize);
211 void setTextStretch(std::size_t stretch);
213 void setTextUnderline(
bool b);
215 void setTextOverline(
bool b);
217 void setTextStrikeOut(
bool b);
221 void setTextDecorationWidth(
int width);
225 void setTextContourEnabled(
bool b);
227 void setTextContourOpacity(
int opacity);
229 void setTextContourWidth(
int width);
233 void setTextMultiLineSpacing(
int spacing);
237 void setPointWidth(
int w);
243 void setPointPatternRotation(
const double& angle);
245 void setPointPatternOpacity(
int opacity);
253 void setLinePatternRotation(
const double& angle);
255 void setLinePatternOpacity(
int opacity);
259 void setLineDashStyle(
const std::vector<double>& style);
265 void setLineWidth(
int w);
275 void setPolygonPatternWidth(
int w);
277 void setPolygonPatternRotation(
const double& angle);
279 void setPolygonPatternOpacity(
int opacity);
285 void setPolygonContourWidth(
int w);
287 void setPolygonContourPatternRotation(
const double& angle);
289 void setPolygonContourPatternOpacity(
int opacity);
293 void setPolygonContourDashStyle(
const std::vector<double>& style);
301 void setNormalMode();
323 void drawText(
const QPoint& p,
324 const std::string& txt,
344 te::gm::Polygon* getTextBoundary(
const QPoint& p,
const std::string& txt,
float angle = 0.0,
357 QPixmap* getPixmap()
const;
379 QPaintDevice* getDevice()
const;
387 void setDevice(QPaintDevice* device,
bool takeOwnerShip);
403 void setMatrix(
const QMatrix& matrix);
406 void setRenderHint(QPainter::RenderHint hint,
bool on =
true);
446 void setLineDashStyle(QPen& pen,
const std::vector<double>& style);
454 void updateAlpha(QImage& img,
const int& opacity);
460 void createPointPatterns();
521 #endif // __TERRALIB_QT_WIDGETS_INTERNAL_CANVAS_H
ImageType
This enum specifies the possible input and output image formats supported by the canvas API...
MultiPolygon is a MultiSurface whose elements are Polygons.
FontWeight
Font weight for drawing text.
LineJustification
Line justification for drawing multi line text.
FontStyle
Font style for drawing text.
A Text may contain 1 or more Text Elements.
AlignType
This enum contains values to control the alignment of components (like Canvas and MapDisplay)...
LineCapStyle
This enum encodes enumerated values telling how line strings should be capped (at the two ends of the...
MultiPoint is a GeometryCollection whose elements are restricted to points.
LineString is a curve with linear interpolation between points.
HorizontalAlignment
Horizontal alignment for drawing text.
A point with x and y coordinate values.
An Envelope defines a 2D rectangular region.
An abstract class for raster data strucutures.
#define TE_OPAQUE
For an RGBA color this is the value of the alpha-channel for totally opaque.
Geometry is the root class of the geometries hierarchy, it follows OGC and ISO standards.
MultiLineString is a MultiCurve whose elements are LineStrings.
A canvas is an abstraction of a drawing area.
Polygon is a subclass of CurvePolygon whose rings are defined by linear rings.
LineDashStyle
This enum encodes enumerated values telling how lines should be drawn. e.g. as a plain line or dash l...
LineJoinStyle
This enum encodes enumerated values telling how line strings should be joined (between line segments)...
VerticalAlignment
Vertical alignment for drawing text.
A helper class for 32-bit RGBA (Red-Green-Blue-Alpha channel) color.
It is a collection of other geometric objects.