OpenCPN Partial API docs
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OpenGL-optimized chart base class for plugin chart types. More...
#include <ocpn_plugin.h>
Public Member Functions | |
virtual int | RenderRegionViewOnGL (const wxGLContext &glc, const PlugIn_ViewPort &VPoint, const wxRegion &Region, bool b_use_stencil) |
Renders chart content using OpenGL. | |
virtual ListOfPI_S57Obj * | GetObjRuleListAtLatLon (float lat, float lon, float select_radius, PlugIn_ViewPort *VPoint) |
Gets chart objects near specified position. | |
virtual wxString | CreateObjDescriptions (ListOfPI_S57Obj *obj_list) |
Creates description text for chart objects. | |
virtual int | GetNoCOVREntries () |
Gets number of no-coverage areas in chart. | |
virtual int | GetNoCOVRTablePoints (int iTable) |
Gets number of points in no-coverage area boundary. | |
virtual int | GetNoCOVRTablenPoints (int iTable) |
Alternative to GetNoCOVRTablePoints(). | |
virtual float * | GetNoCOVRTableHead (int iTable) |
Gets coordinate data for no-coverage area boundary. | |
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virtual wxString | GetFileSearchMask (void) |
Returns file pattern(s) for chart files this plugin can handle. | |
virtual int | Init (const wxString &full_path, int init_flags) |
Initializes a chart instance from a file. | |
virtual void | SetColorScheme (int cs, bool bApplyImmediate) |
Sets the color scheme for chart display. | |
virtual double | GetNormalScaleMin (double canvas_scale_factor, bool b_allow_overzoom) |
Returns the minimum recommended scale for this chart. | |
virtual double | GetNormalScaleMax (double canvas_scale_factor, int canvas_width) |
Returns the maximum recommended scale for this chart. | |
virtual double | GetNearestPreferredScalePPM (double target_scale_ppm) |
Returns the nearest preferred scale value for this chart. | |
virtual bool | GetChartExtent (ExtentPI *pext) |
Gets the geographic boundaries of the chart. | |
virtual wxBitmap & | RenderRegionView (const PlugIn_ViewPort &VPoint, const wxRegion &Region) |
Renders a region of the chart for display. | |
virtual bool | AdjustVP (PlugIn_ViewPort &vp_last, PlugIn_ViewPort &vp_proposed) |
Adjusts viewport parameters for chart-specific requirements. | |
virtual void | GetValidCanvasRegion (const PlugIn_ViewPort &VPoint, wxRegion *pValidRegion) |
Determines the valid display area for this chart. | |
virtual int | GetCOVREntries () |
Returns the number of coverage table entries for this chart. | |
virtual int | GetCOVRTablePoints (int iTable) |
Returns the number of points in a specific coverage table entry. | |
virtual int | GetCOVRTablenPoints (int iTable) |
Alternative method to get the number of points in a coverage table entry. | |
virtual float * | GetCOVRTableHead (int iTable) |
Returns a pointer to the coverage table data for a specific entry. | |
virtual wxBitmap * | GetThumbnail (int tnx, int tny, int cs) |
Generates a thumbnail image of the chart. | |
virtual wxString | GetFullPath () const |
Returns the full file path of the chart. | |
virtual ChartTypeEnumPI | GetChartType () |
Returns the chart type identifier. | |
virtual ChartFamilyEnumPI | GetChartFamily () |
Returns the chart family classification. | |
virtual OcpnProjTypePI | GetChartProjection () |
Returns the projection type used by the chart. | |
virtual wxString | GetName () |
Returns the chart's name or title. | |
virtual wxString | GetDescription () |
Returns a descriptive text about the chart. | |
virtual wxString | GetID () |
Returns a unique identifier for the chart. | |
virtual wxString | GetSE () |
Returns the chart's source edition identifier. | |
virtual wxString | GetDepthUnits () |
Returns the depth units used in the chart. | |
virtual wxString | GetSoundingsDatum () |
Returns the vertical datum used for soundings in the chart. | |
virtual wxString | GetDatumString () |
Returns the horizontal geodetic datum of the chart. | |
virtual wxString | GetExtraInfo () |
Returns additional information about the chart. | |
virtual wxString | GetPubDate () |
Returns the publication date/year of the chart. | |
virtual double | GetChartErrorFactor () |
Returns the error factor for the chart. | |
virtual ChartDepthUnitTypePI | GetDepthUnitId () |
Returns the depth unit type identifier. | |
virtual bool | IsReadyToRender () |
Indicates whether the chart is ready for rendering. | |
virtual int | GetNativeScale () |
Returns the native scale of the chart. | |
virtual double | GetChartSkew () |
Returns the skew/rotation angle of the chart. | |
virtual wxDateTime | GetEditionDate (void) |
Returns the edition date of the chart. | |
virtual void | ComputeSourceRectangle (const PlugIn_ViewPort &vp, wxRect *pSourceRect) |
Computes the source rectangle for the chart based on a given viewport. | |
virtual double | GetRasterScaleFactor () |
Returns the scale factor for raster chart rendering. | |
virtual bool | GetChartBits (wxRect &source, unsigned char *pPix, int sub_samp) |
Gets pixel data for a portion of a raster chart. | |
virtual int | GetSize_X () |
Gets the width of the chart in pixels. | |
virtual int | GetSize_Y () |
Gets the height of the chart in pixels. | |
virtual void | latlong_to_chartpix (double lat, double lon, double &pixx, double &pixy) |
Converts geographic coordinates to chart pixel coordinates. | |
virtual void | chartpix_to_latlong (double pixx, double pixy, double *plat, double *plon) |
Converts chart pixel coordinates to geographic coordinates. | |
Additional Inherited Members | |
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ChartTypeEnumPI | m_ChartType |
ChartFamilyEnumPI | m_ChartFamily |
wxString | m_FullPath |
OcpnProjTypePI | m_projection |
int | m_Chart_Scale |
double | m_Chart_Skew |
wxDateTime | m_EdDate |
bool | m_bReadyToRender |
wxString | m_Name |
wxString | m_Description |
wxString | m_ID |
wxString | m_SE |
wxString | m_SoundingsDatum |
wxString | m_datum_str |
wxString | m_PubYear |
wxString | m_DepthUnits |
wxString | m_ExtraInfo |
ChartDepthUnitTypePI | m_depth_unit_id |
double | m_Chart_Error_Factor |
OpenGL-optimized chart base class for plugin chart types.
Derived from PlugInChartBase, this class adds OpenGL-specific rendering methods for vector charts. It's designed for charts that can benefit from hardware acceleration and OpenGL features.
Key capabilities:
Definition at line 3307 of file ocpn_plugin.h.
PlugInChartBaseGL::PlugInChartBaseGL | ( | ) |
Definition at line 3508 of file pluginmanager.cpp.
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Definition at line 3510 of file pluginmanager.cpp.
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Creates description text for chart objects.
Generates human-readable descriptions of S57 objects for tooltips and info displays.
obj_list | List of objects to describe |
Definition at line 3524 of file pluginmanager.cpp.
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Gets number of no-coverage areas in chart.
Definition at line 3528 of file pluginmanager.cpp.
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Gets coordinate data for no-coverage area boundary.
iTable | Index of no-coverage area |
Definition at line 3534 of file pluginmanager.cpp.
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Alternative to GetNoCOVRTablePoints().
iTable | Index of no-coverage area |
Definition at line 3532 of file pluginmanager.cpp.
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Gets number of points in no-coverage area boundary.
iTable | Index of no-coverage area |
Definition at line 3530 of file pluginmanager.cpp.
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Gets chart objects near specified position.
Returns list of S57 objects within selection radius of given position. Used for object queries and pick operations.
lat | Position latitude |
lon | Position longitude |
select_radius | Search radius in pixels |
VPoint | Current viewport |
Definition at line 3519 of file pluginmanager.cpp.
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Renders chart content using OpenGL.
Primary rendering method for OpenGL-enabled chart display. Allows efficient hardware-accelerated rendering of vector charts.
glc | OpenGL context for rendering |
VPoint | Current viewport parameters |
Region | Region to render in screen coordinates |
b_use_stencil | True to enable stencil buffer for clipping |
Definition at line 3512 of file pluginmanager.cpp.