AnnotateImage
AnnotateImage() annotates an image with text.
The format of the AnnotateImage method is:
MagickBooleanType AnnotateImage(Image *image,DrawInfo *draw_info, ExceptionInfo *exception)
A description of each parameter follows:
- image
- the image.
- draw_info
- the draw info.
- exception
- return any errors or warnings in this structure.
FormatMagickCaption
FormatMagickCaption() formats a caption so that it fits within the image width. It returns the number of lines in the formatted caption.
The format of the FormatMagickCaption method is:
ssize_t FormatMagickCaption(Image *image,DrawInfo *draw_info, const MagickBooleanType split,TypeMetric *metrics,char **caption, ExceptionInfo *exception)
A description of each parameter follows.
The image.
the draw info.
when no convenient line breaks-- insert newline.
Return the font metrics in this structure.
the caption.
return any errors or warnings in this structure.
GetMultilineTypeMetrics
GetMultilineTypeMetrics() returns the following information for the specified font and text:
character width character height ascender descender text width text height maximum horizontal advance bounds: x1 bounds: y1 bounds: x2 bounds: y2 origin: x origin: y underline position underline thickness
This method is like GetTypeMetrics() but it returns the maximum text width and height for multiple lines of text.
The format of the GetMultilineTypeMetrics method is:
MagickBooleanType GetMultilineTypeMetrics(Image *image, const DrawInfo *draw_info,TypeMetric *metrics,ExceptionInfo *exception)
A description of each parameter follows:
- image
- the image.
- draw_info
- the draw info.
- metrics
- Return the font metrics in this structure.
- exception
- return any errors or warnings in this structure.
GetTypeMetrics
GetTypeMetrics() returns the following information for the specified font and text:
character width character height ascender descender text width text height maximum horizontal advance bounds: x1 bounds: y1 bounds: x2 bounds: y2 origin: x origin: y underline position underline thickness
The format of the GetTypeMetrics method is:
MagickBooleanType GetTypeMetrics(Image *image,const DrawInfo *draw_info, TypeMetric *metrics,ExceptionInfo *exception)
A description of each parameter follows:
- image
- the image.
- draw_info
- the draw info.
- metrics
- Return the font metrics in this structure.
- exception
- return any errors or warnings in this structure.