RenderingPluginAPI
Symbolization Structures
Stroke:
typedef struct {
double width; /* line width in pixels */
/* line pattern, e.g. dots, dashes, etc.. */
int patternlength;
double pattern[MS_MAXPATTERNLENGTH];
/* must not be NULL, must be a valid color */
/* color.alpha must be used if supported by the renderer */
colorObj color;
int linecap; /* MS_CJC_TRIANGLE, MS_CJC_SQUARE, MS_CJC_ROUND, MS_CJC_BUTT */
int linejoin; /* MS_CJC_BEVEL MS_CJC_ROUND MS_CJC_MITER */
double linejoinmaxsize;
} strokeStyleObj;
Fill:
typedef struct {
/* must not be NULL, must be a valid color *
* color.alpha must be used if supported by the renderer */
colorObj color;
/* if not null, use the passed tile (which is a pointer to a
* renderer specific structure) for tiling the polygon */
void *tile;
} fillStyleObj;
Booleans
- supports_imagecach
- supports_pixel_buffer
- supports_transparent_layers
Functions
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void startNewLayer(imageObj *img, double opacity)
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void closeNewLayer(imageObj *img, double opacity)
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imageObj *createImage(int width, int height, outputFormatObj format, colorObj bg)
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int saveImage(imageObj *img, FILE *fp, outputFormatObj *format)
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void freeImage(imageObj *img)
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int transformShape(shapeObj *shape, rectObj extent, double cellsize)
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void renderLine(imageObj *img, shapeObj *p, strokeStyleObj *stroke)
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void renderPolygon(imageObj *img, shapeObj *p, colorObj *c)
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void renderGlyphsLine(imageObj *img, labelPathObj *labelpath, labelStyleObj *style, char *text)
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void renderGlyphs(imageObj *img,double x, double y, labelStyleObj *style, char *text)
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void renderEllipseSymbol(imageObj *img, double x, double y, symbolObj *symbol, symbolStyleObj *style)
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void renderVectorSymbol(imageObj *img, double x, double y, symbolObj *symbol, symbolStyleObj *style)
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void renderTruetypeSymbol(imageObj *img, double x, double y, symbolObj *symbol, symbolStyleObj *s)
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void renderPixmapSymbol(imageObj *img, double x, double y, symbolObj *symbol, symbolStyleObj *style)
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void renderTile(imageObj *img, imageObj *tile, double x, double y)
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void renderPolygonTiled(imageObj *img, shapeObj *p, imageObj *tile)
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void getRasterBuffer(imageObj *img, rasterBufferObj *rb)
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void mergeRasterBuffer(imageObj *img, rasterBufferObj *rb, double opacity, int dstX, int dstY)
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int getTruetypeTextBBox(imageObj *img,char *font, double size, char *text, rectObj *rect, double **advances)
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void freeTile(imageObj *tile)
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void freeSymbol(symbolObj *s)
