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Save work on documentation tweaking.
This commit is contained in:
Michael R Sweet
parent
2cc4789cf6
commit
b007156c01
13
Makefile
13
Makefile
@ -36,7 +36,10 @@ prefix = /usr/local
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# Files
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LIBOBJS = \
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PUBHEADERS = \
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pdfio.h \
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pdfio-content.h
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PUBOBJS = \
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pdfio-array.o \
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pdfio-common.o \
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pdfio-content.o \
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@ -47,7 +50,9 @@ LIBOBJS = \
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pdfio-stream.o \
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pdfio-string.o \
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pdfio-token.o \
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pdfio-value.o \
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pdfio-value.o
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LIBOBJS = \
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$(PUBOBJS) \
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ttf.o
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OBJS = \
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$(LIBOBJS) \
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@ -80,7 +85,7 @@ clean:
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# Install everything
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install: $(TARGETS)
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-mkdir -p $(DESTDIR)$(prefix)/include
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cp pdfio.h pdfio-content.h $(DESTDIR)$(prefix)/include
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cp $(PUBHEADERS) $(DESTDIR)$(prefix)/include
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-mkdir -p $(DESTDIR)$(prefix)/lib
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cp libpdfio.a $(DESTDIR)$(prefix)/lib
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$(RANLIB) $(DESTDIR)$(prefix)/lib/libpdfio.a
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@ -145,7 +150,7 @@ DOCFLAGS = \
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.PHONY: doc
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doc:
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codedoc $(DOCFLAGS) --title "PDFio Programming Manual v$(VERSION)" pdfio.h $(LIBOBJS:.o=.c) --body doc/pdfio.md --coverimage doc/pdfio-512.png pdfio.xml >doc/pdfio.html
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codedoc $(DOCFLAGS) --title "PDFio Programming Manual v$(VERSION)" $(PUBHEADERS) $(PUBOBJS:.o=.c) --body doc/pdfio.md --coverimage doc/pdfio-512.png pdfio.xml >doc/pdfio.html
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codedoc $(DOCFLAGS) --title "pdf read/write library" --man pdfio --section 3 --body doc/pdfio.md pdfio.xml >doc/pdfio.3
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rm -f pdfio.xml
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317
doc/pdfio.3
317
doc/pdfio.3
@ -1,4 +1,4 @@
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.TH pdfio 3 "pdf read/write library" "2021-07-07" "pdf read/write library"
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.TH pdfio 3 "pdf read/write library" "2021-07-18" "pdf read/write library"
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.SH NAME
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pdfio \- pdf read/write library
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.SH Introduction
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@ -349,6 +349,68 @@ No filter
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PDFIO_FILTER_RUNLENGTH
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.br
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RunLengthDecode filter (reading only)
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.SS pdfio_linecap_e
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Line capping modes
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.TP 5
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PDFIO_LINECAP_BUTT
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.br
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Butt ends
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.TP 5
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PDFIO_LINECAP_ROUND
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.br
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Round ends
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.TP 5
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PDFIO_LINECAP_SQUARE
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.br
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Square ends
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.SS pdfio_linejoin_e
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Line joining modes
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.TP 5
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PDFIO_LINEJOIN_BEVEL
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.br
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Bevel joint
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.TP 5
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PDFIO_LINEJOIN_MITER
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.br
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Miter joint
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.TP 5
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PDFIO_LINEJOIN_ROUND
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.br
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Round joint
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.SS pdfio_textrendering_e
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Text rendering modes
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.TP 5
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PDFIO_TEXTRENDERING_FILL
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.br
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Fill text
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.TP 5
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PDFIO_TEXTRENDERING_FILL_AND_STROKE
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.br
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Fill then stroke text
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.TP 5
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PDFIO_TEXTRENDERING_FILL_AND_STROKE_PATH
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.br
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Fill then stroke text and add to path
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.TP 5
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PDFIO_TEXTRENDERING_FILL_PATH
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.br
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Fill text and add to path
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.TP 5
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PDFIO_TEXTRENDERING_INVISIBLE
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.br
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Don't fill or stroke (invisible)
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.TP 5
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PDFIO_TEXTRENDERING_STROKE
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.br
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Stroke text
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.TP 5
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PDFIO_TEXTRENDERING_STROKE_PATH
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.br
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Stroke text and add to path
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.TP 5
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PDFIO_TEXTRENDERING_TEXT_PATH
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.br
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Add text to path (invisible)
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.SS pdfio_valtype_e
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PDF value types
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.TP 5
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@ -1505,8 +1567,37 @@ pdfio_obj_t * pdfioFileCreateICCObjFromFile (
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size_t num_colors
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);
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.fi
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.SS pdfioFileCreateImageObjFromData
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Add image object(s) to a PDF file from memory.
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.PP
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.nf
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pdfio_obj_t * pdfioFileCreateImageObjFromData (
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pdfio_file_t *pdf,
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const unsigned char *data,
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size_t width,
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size_t height,
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size_t num_colors,
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pdfio_array_t *color_data,
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bool alpha,
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bool interpolate
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);
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.fi
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.PP
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This function creates image object(s) in a PDF file from a data buffer in
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memory. The "data" parameter points to the image data as 8-bit color values.
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The "width" and "height" parameters specify the image dimensions. The
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"num_colors" parameter specifies the number of color components (\fB1\fR for
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grayscale, \fB3\fR for RGB, and \fB4\fR for CMYK) and the "alpha" parameter specifies
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whether each color tuple is followed by an alpha value. The "color_data"
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parameter specifies an optional color space array for the image - if \fBNULL\fR,
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the image is encoded in the corresponding device color space. The
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"interpolate" parameter specifies whether to interpolate when scaling the
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image on the page.
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.PP
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Note: When creating an image object with alpha, a second image object is
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created to hold the "soft mask" data for the primary image.
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.SS pdfioFileCreateImageObjFromFile
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Add an image object to a PDF file.
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Add an image object to a PDF file from a file.
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.PP
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.nf
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pdfio_obj_t * pdfioFileCreateImageObjFromFile (
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@ -1517,6 +1608,9 @@ pdfio_obj_t * pdfioFileCreateImageObjFromFile (
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.fi
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.PP
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This function creates an image object in a PDF file from a JPEG or PNG file.
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The "filename" parameter specifies the name of the JPEG or PNG file, while
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the "interpolate" parameter specifies whether to interpolate when scaling the
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image on the page.
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.PP
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.IP 5
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Note: Currently PNG support is limited to grayscale, RGB, or indexed files
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@ -2020,194 +2114,6 @@ This function creates a formatted string associated with the PDF file
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.PP
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\fBNULL\fR is returned on error, otherwise a \fBchar *\fR that is valid until
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\fBpdfioFileClose\fR is called.
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.SS ttfCreate
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Create a new font object for the named font family.
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.PP
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.nf
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ttf_t * ttfCreate (
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const char *filename,
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size_t idx,
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ttf_err_cb_t err_cb,
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void *err_data
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);
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.fi
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.SS ttfDelete
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Free all memory used for a font family object.
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.PP
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.nf
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void ttfDelete (
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ttf_t *font
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);
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.fi
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.SS ttfGetAscent
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Get the maximum height of non-accented characters.
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.PP
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.nf
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int ttfGetAscent (
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ttf_t *font
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);
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.fi
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.SS ttfGetBounds
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Get the bounds of all characters in a font.
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.PP
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.nf
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ttf_rect_t * ttfGetBounds (
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ttf_t *font,
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ttf_rect_t *bounds
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);
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.fi
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.SS ttfGetCMap
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Get the Unicode to glyph mapping table.
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.PP
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.nf
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const int * ttfGetCMap (
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ttf_t *font,
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size_t *num_cmap
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);
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.fi
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.SS ttfGetCapHeight
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Get the height of capital letters.
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.PP
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.nf
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int ttfGetCapHeight (
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ttf_t *font
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);
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.fi
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.SS ttfGetCopyright
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Get the copyright text for a font.
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.PP
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.nf
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const char * ttfGetCopyright (
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ttf_t *font
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);
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.fi
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.SS ttfGetDescent
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Get the maximum depth of non-accented characters.
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.PP
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.nf
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int ttfGetDescent (
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ttf_t *font
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);
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.fi
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.SS ttfGetExtents
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Get the extents of a UTF-8 string.
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.PP
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.nf
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ttf_rect_t * ttfGetExtents (
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ttf_t *font,
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float size,
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const char *s,
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ttf_rect_t *extents
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);
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.fi
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.PP
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This function computes the extents of a UTF-8 string when rendered using the
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specified font and size.
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.SS ttfGetFamily
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Get the family name of a font.
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.PP
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.nf
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const char * ttfGetFamily (
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ttf_t *font
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);
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.fi
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.SS ttfGetItalicAngle
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Get the italic angle.
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.PP
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.nf
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float ttfGetItalicAngle (
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ttf_t *font
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);
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.fi
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.SS ttfGetMaxChar
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Get the last character in the font.
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.PP
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.nf
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int ttfGetMaxChar (
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ttf_t *font
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);
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.fi
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.SS ttfGetMinChar
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Get the first character in the font.
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.PP
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.nf
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int ttfGetMinChar (
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ttf_t *font
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);
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.fi
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.SS ttfGetNumFonts
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Get the number of fonts in this collection.
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.PP
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.nf
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size_t ttfGetNumFonts (
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ttf_t *font
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);
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.fi
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.SS ttfGetPostScriptName
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Get the PostScript name of a font.
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.PP
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.nf
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const char * ttfGetPostScriptName (
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ttf_t *font
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);
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.fi
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.SS ttfGetStretch
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Get the font "stretch" value...
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.PP
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.nf
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ttf_stretch_t ttfGetStretch (
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ttf_t *font
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);
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.fi
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.SS ttfGetStyle
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Get the font style.
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.PP
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.nf
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ttf_style_t ttfGetStyle (
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ttf_t *font
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);
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.fi
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.SS ttfGetVersion
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Get the version number of a font.
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.PP
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.nf
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const char * ttfGetVersion (
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ttf_t *font
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);
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.fi
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.SS ttfGetWeight
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Get the weight of a font.
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.PP
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.nf
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ttf_weight_t ttfGetWeight (
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ttf_t *font
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);
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.fi
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.SS ttfGetWidth
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Get the width of a single character.
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.PP
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.nf
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int ttfGetWidth (
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ttf_t *font,
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int ch
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);
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.fi
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.SS ttfGetXHeight
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Get the height of lowercase letters.
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.PP
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.nf
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int ttfGetXHeight (
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ttf_t *font
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);
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.fi
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.SS ttfIsFixedPitch
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Determine whether a font is fixedpitch.
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.PP
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.nf
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bool ttfIsFixedPitch (
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ttf_t *font
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);
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.fi
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.SH STRUCTURES
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.SS pdfio_rect_s
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PDF rectangle
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@ -2252,6 +2158,24 @@ Compression/decompression filters for streams
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.nf
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typedef enum pdfio_filter_e pdfio_filter_t;
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.fi
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.SS pdfio_linecap_t
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Line capping modes
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.PP
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.nf
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typedef enum pdfio_linecap_e pdfio_linecap_t;
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.fi
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.SS pdfio_linejoin_t
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Line joining modes
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.PP
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.nf
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typedef enum pdfio_linejoin_e pdfio_linejoin_t;
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.fi
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.SS pdfio_matrix_t[3][2]
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Transform matrix
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.PP
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.nf
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typedef double pdfio_matrix_t[3][2];
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.fi
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.SS pdfio_obj_t
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Numbered object in PDF file
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.PP
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@ -2270,17 +2194,24 @@ Object data stream in PDF file
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.nf
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typedef struct _pdfio_stream_s pdfio_stream_t;
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.fi
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.SS pdfio_textrendering_t
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Text rendering modes
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.PP
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.nf
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typedef enum pdfio_textrendering_e pdfio_textrendering_t;
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.fi
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.SS pdfio_valtype_t
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PDF value types
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.PP
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.nf
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typedef enum pdfio_valtype_e pdfio_valtype_t;
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.fi
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.SS ssize_t
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POSIX type not present on Windows...
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.SH VARIABLES
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.SS PDFIO_PUBLIC
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C++ magic...
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.PP
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.nf
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typedef __int64 ssize_t;
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pdfio_dict_t *dict const char *name pdfio_obj_t *obj)PDFIO_PUBLIC;
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.fi
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.SH AUTHOR
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.PP
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409
doc/pdfio.html
409
doc/pdfio.html
@ -377,6 +377,7 @@ span.string {
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<li><a href="#pdfioFileCreateFontObjFromBase">pdfioFileCreateFontObjFromBase</a></li>
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<li><a href="#pdfioFileCreateFontObjFromFile">pdfioFileCreateFontObjFromFile</a></li>
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<li><a href="#pdfioFileCreateICCObjFromFile">pdfioFileCreateICCObjFromFile</a></li>
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<li><a href="#pdfioFileCreateImageObjFromData">pdfioFileCreateImageObjFromData</a></li>
|
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<li><a href="#pdfioFileCreateImageObjFromFile">pdfioFileCreateImageObjFromFile</a></li>
|
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<li><a href="#pdfioFileCreateObj">pdfioFileCreateObj</a></li>
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<li><a href="#pdfioFileCreatePage">pdfioFileCreatePage</a></li>
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@ -431,28 +432,6 @@ span.string {
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<li><a href="#pdfioStreamWrite">pdfioStreamWrite</a></li>
|
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<li><a href="#pdfioStringCreate">pdfioStringCreate</a></li>
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<li><a href="#pdfioStringCreatef">pdfioStringCreatef</a></li>
|
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<li><a href="#ttfCreate">ttfCreate</a></li>
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<li><a href="#ttfDelete">ttfDelete</a></li>
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<li><a href="#ttfGetAscent">ttfGetAscent</a></li>
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<li><a href="#ttfGetBounds">ttfGetBounds</a></li>
|
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<li><a href="#ttfGetCMap">ttfGetCMap</a></li>
|
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<li><a href="#ttfGetCapHeight">ttfGetCapHeight</a></li>
|
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<li><a href="#ttfGetCopyright">ttfGetCopyright</a></li>
|
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<li><a href="#ttfGetDescent">ttfGetDescent</a></li>
|
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<li><a href="#ttfGetExtents">ttfGetExtents</a></li>
|
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<li><a href="#ttfGetFamily">ttfGetFamily</a></li>
|
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<li><a href="#ttfGetItalicAngle">ttfGetItalicAngle</a></li>
|
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<li><a href="#ttfGetMaxChar">ttfGetMaxChar</a></li>
|
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<li><a href="#ttfGetMinChar">ttfGetMinChar</a></li>
|
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<li><a href="#ttfGetNumFonts">ttfGetNumFonts</a></li>
|
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<li><a href="#ttfGetPostScriptName">ttfGetPostScriptName</a></li>
|
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<li><a href="#ttfGetStretch">ttfGetStretch</a></li>
|
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<li><a href="#ttfGetStyle">ttfGetStyle</a></li>
|
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<li><a href="#ttfGetVersion">ttfGetVersion</a></li>
|
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<li><a href="#ttfGetWeight">ttfGetWeight</a></li>
|
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<li><a href="#ttfGetWidth">ttfGetWidth</a></li>
|
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<li><a href="#ttfGetXHeight">ttfGetXHeight</a></li>
|
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<li><a href="#ttfIsFixedPitch">ttfIsFixedPitch</a></li>
|
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</ul></li>
|
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<li><a href="#TYPES">Data Types</a><ul class="subcontents">
|
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<li><a href="#pdfio_array_t">pdfio_array_t</a></li>
|
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@ -460,17 +439,26 @@ span.string {
|
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<li><a href="#pdfio_error_cb_t">pdfio_error_cb_t</a></li>
|
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<li><a href="#pdfio_file_t">pdfio_file_t</a></li>
|
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<li><a href="#pdfio_filter_t">pdfio_filter_t</a></li>
|
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<li><a href="#pdfio_linecap_t">pdfio_linecap_t</a></li>
|
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<li><a href="#pdfio_linejoin_t">pdfio_linejoin_t</a></li>
|
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<li><a href="#pdfio_matrix_t[3][2]">pdfio_matrix_t[3][2]</a></li>
|
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<li><a href="#pdfio_obj_t">pdfio_obj_t</a></li>
|
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<li><a href="#pdfio_rect_t">pdfio_rect_t</a></li>
|
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<li><a href="#pdfio_stream_t">pdfio_stream_t</a></li>
|
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<li><a href="#pdfio_textrendering_t">pdfio_textrendering_t</a></li>
|
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<li><a href="#pdfio_valtype_t">pdfio_valtype_t</a></li>
|
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<li><a href="#ssize_t">ssize_t</a></li>
|
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</ul></li>
|
||||
<li><a href="#STRUCTURES">Structures</a><ul class="subcontents">
|
||||
<li><a href="#pdfio_rect_s">pdfio_rect_s</a></li>
|
||||
</ul></li>
|
||||
<li><a href="#VARIABLES">Variables</a><ul class="subcontents">
|
||||
<li><a href="#PDFIO_PUBLIC">PDFIO_PUBLIC</a></li>
|
||||
</ul></li>
|
||||
<li><a href="#ENUMERATIONS">Enumerations</a><ul class="subcontents">
|
||||
<li><a href="#pdfio_filter_e">pdfio_filter_e</a></li>
|
||||
<li><a href="#pdfio_linecap_e">pdfio_linecap_e</a></li>
|
||||
<li><a href="#pdfio_linejoin_e">pdfio_linejoin_e</a></li>
|
||||
<li><a href="#pdfio_textrendering_e">pdfio_textrendering_e</a></li>
|
||||
<li><a href="#pdfio_valtype_e">pdfio_valtype_e</a></li>
|
||||
</ul></li>
|
||||
</ul>
|
||||
@ -1405,7 +1393,7 @@ bool pdfioContentSetFlatness(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, d
|
||||
<h3 class="function"><a id="pdfioContentSetLineCap">pdfioContentSetLineCap</a></h3>
|
||||
<p class="description">Set the line ends style.</p>
|
||||
<p class="code">
|
||||
bool pdfioContentSetLineCap(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, pdfio_linecap_t lc);</p>
|
||||
bool pdfioContentSetLineCap(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, <a href="#pdfio_linecap_t">pdfio_linecap_t</a> lc);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>st</th>
|
||||
@ -1418,7 +1406,7 @@ bool pdfioContentSetLineCap(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, pd
|
||||
<h3 class="function"><a id="pdfioContentSetLineJoin">pdfioContentSetLineJoin</a></h3>
|
||||
<p class="description">Set the line joining style.</p>
|
||||
<p class="code">
|
||||
bool pdfioContentSetLineJoin(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, pdfio_linejoin_t lj);</p>
|
||||
bool pdfioContentSetLineJoin(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, <a href="#pdfio_linejoin_t">pdfio_linejoin_t</a> lj);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>st</th>
|
||||
@ -1603,7 +1591,7 @@ bool pdfioContentSetTextMatrix(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st,
|
||||
<h3 class="function"><a id="pdfioContentSetTextRenderingMode">pdfioContentSetTextRenderingMode</a></h3>
|
||||
<p class="description">Set the text rendering mode.</p>
|
||||
<p class="code">
|
||||
bool pdfioContentSetTextRenderingMode(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, pdfio_textrendering_t mode);</p>
|
||||
bool pdfioContentSetTextRenderingMode(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, <a href="#pdfio_textrendering_t">pdfio_textrendering_t</a> mode);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>st</th>
|
||||
@ -2273,8 +2261,47 @@ characters such as the Euro symbol) subset of Unicode.</p>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Object</p>
|
||||
<h3 class="function"><a id="pdfioFileCreateImageObjFromData">pdfioFileCreateImageObjFromData</a></h3>
|
||||
<p class="description">Add image object(s) to a PDF file from memory.</p>
|
||||
<p class="code">
|
||||
<a href="#pdfio_obj_t">pdfio_obj_t</a> *pdfioFileCreateImageObjFromData(<a href="#pdfio_file_t">pdfio_file_t</a> *pdf, const unsigned char *data, size_t width, size_t height, size_t num_colors, <a href="#pdfio_array_t">pdfio_array_t</a> *color_data, bool alpha, bool interpolate);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>pdf</th>
|
||||
<td class="description">PDF file</td></tr>
|
||||
<tr><th>data</th>
|
||||
<td class="description">Pointer to image data</td></tr>
|
||||
<tr><th>width</th>
|
||||
<td class="description">Width of image</td></tr>
|
||||
<tr><th>height</th>
|
||||
<td class="description">Height of image</td></tr>
|
||||
<tr><th>num_colors</th>
|
||||
<td class="description">Number of colors</td></tr>
|
||||
<tr><th>color_data</th>
|
||||
<td class="description">Colorspace data or <code>NULL</code> for default</td></tr>
|
||||
<tr><th>alpha</th>
|
||||
<td class="description"><code>true</code> if data contains an alpha channel</td></tr>
|
||||
<tr><th>interpolate</th>
|
||||
<td class="description">Interpolate image data?</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Object</p>
|
||||
<h4 class="discussion">Discussion</h4>
|
||||
<p class="discussion">This function creates image object(s) in a PDF file from a data buffer in
|
||||
memory. The "data" parameter points to the image data as 8-bit color values.
|
||||
The "width" and "height" parameters specify the image dimensions. The
|
||||
"num_colors" parameter specifies the number of color components (<code>1</code> for
|
||||
grayscale, <code>3</code> for RGB, and <code>4</code> for CMYK) and the "alpha" parameter specifies
|
||||
whether each color tuple is followed by an alpha value. The "color_data"
|
||||
parameter specifies an optional color space array for the image - if <code>NULL</code>,
|
||||
the image is encoded in the corresponding device color space. The
|
||||
"interpolate" parameter specifies whether to interpolate when scaling the
|
||||
image on the page.<br>
|
||||
<br>
|
||||
Note: When creating an image object with alpha, a second image object is
|
||||
created to hold the "soft mask" data for the primary image.</p>
|
||||
<h3 class="function"><a id="pdfioFileCreateImageObjFromFile">pdfioFileCreateImageObjFromFile</a></h3>
|
||||
<p class="description">Add an image object to a PDF file.</p>
|
||||
<p class="description">Add an image object to a PDF file from a file.</p>
|
||||
<p class="code">
|
||||
<a href="#pdfio_obj_t">pdfio_obj_t</a> *pdfioFileCreateImageObjFromFile(<a href="#pdfio_file_t">pdfio_file_t</a> *pdf, const char *filename, bool interpolate);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
@ -2289,7 +2316,10 @@ characters such as the Euro symbol) subset of Unicode.</p>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Object</p>
|
||||
<h4 class="discussion">Discussion</h4>
|
||||
<p class="discussion">This function creates an image object in a PDF file from a JPEG or PNG file.<br>
|
||||
<p class="discussion">This function creates an image object in a PDF file from a JPEG or PNG file.
|
||||
The "filename" parameter specifies the name of the JPEG or PNG file, while
|
||||
the "interpolate" parameter specifies whether to interpolate when scaling the
|
||||
image on the page.<br>
|
||||
<br>
|
||||
</p><blockquote>
|
||||
Note: Currently PNG support is limited to grayscale, RGB, or indexed files
|
||||
@ -2849,7 +2879,7 @@ bool pdfioStreamGetToken(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, char
|
||||
<h3 class="function"><a id="pdfioStreamPeek">pdfioStreamPeek</a></h3>
|
||||
<p class="description">Peek at data in a stream.</p>
|
||||
<p class="code">
|
||||
<a href="#ssize_t">ssize_t</a> pdfioStreamPeek(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, void *buffer, size_t bytes);</p>
|
||||
ssize_t pdfioStreamPeek(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, void *buffer, size_t bytes);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>st</th>
|
||||
@ -2905,7 +2935,7 @@ bool pdfioStreamPuts(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, const cha
|
||||
<h3 class="function"><a id="pdfioStreamRead">pdfioStreamRead</a></h3>
|
||||
<p class="description">Read data from a stream.</p>
|
||||
<p class="code">
|
||||
<a href="#ssize_t">ssize_t</a> pdfioStreamRead(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, void *buffer, size_t bytes);</p>
|
||||
ssize_t pdfioStreamRead(<a href="#pdfio_stream_t">pdfio_stream_t</a> *st, void *buffer, size_t bytes);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>st</th>
|
||||
@ -2977,267 +3007,6 @@ char *pdfioStringCreatef(<a href="#pdfio_file_t">pdfio_file_t</a> *pdf, const ch
|
||||
<br>
|
||||
<code>NULL</code> is returned on error, otherwise a <code>char *</code> that is valid until
|
||||
<code>pdfioFileClose</code> is called.</p>
|
||||
<h3 class="function"><a id="ttfCreate">ttfCreate</a></h3>
|
||||
<p class="description">Create a new font object for the named font family.</p>
|
||||
<p class="code">
|
||||
ttf_t *ttfCreate(const char *filename, size_t idx, ttf_err_cb_t err_cb, void *err_data);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>filename</th>
|
||||
<td class="description">Filename</td></tr>
|
||||
<tr><th>idx</th>
|
||||
<td class="description">Font number to create in collection (0-based)</td></tr>
|
||||
<tr><th>err_cb</th>
|
||||
<td class="description">Error callback or <code>NULL</code> to log to stderr</td></tr>
|
||||
<tr><th>err_data</th>
|
||||
<td class="description">Error callback data</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">New font object</p>
|
||||
<h3 class="function"><a id="ttfDelete">ttfDelete</a></h3>
|
||||
<p class="description">Free all memory used for a font family object.</p>
|
||||
<p class="code">
|
||||
void ttfDelete(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h3 class="function"><a id="ttfGetAscent">ttfGetAscent</a></h3>
|
||||
<p class="description">Get the maximum height of non-accented characters.</p>
|
||||
<p class="code">
|
||||
int ttfGetAscent(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Ascent in 1000ths</p>
|
||||
<h3 class="function"><a id="ttfGetBounds">ttfGetBounds</a></h3>
|
||||
<p class="description">Get the bounds of all characters in a font.</p>
|
||||
<p class="code">
|
||||
ttf_rect_t *ttfGetBounds(ttf_t *font, ttf_rect_t *bounds);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
<tr><th>bounds</th>
|
||||
<td class="description">Bounds buffer</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Bounds or <code>NULL</code> on error</p>
|
||||
<h3 class="function"><a id="ttfGetCMap">ttfGetCMap</a></h3>
|
||||
<p class="description">Get the Unicode to glyph mapping table.</p>
|
||||
<p class="code">
|
||||
const int *ttfGetCMap(ttf_t *font, size_t *num_cmap);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
<tr><th>num_cmap</th>
|
||||
<td class="description">Number of entries in table</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">CMap table</p>
|
||||
<h3 class="function"><a id="ttfGetCapHeight">ttfGetCapHeight</a></h3>
|
||||
<p class="description">Get the height of capital letters.</p>
|
||||
<p class="code">
|
||||
int ttfGetCapHeight(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Capital letter height in 1000ths</p>
|
||||
<h3 class="function"><a id="ttfGetCopyright">ttfGetCopyright</a></h3>
|
||||
<p class="description">Get the copyright text for a font.</p>
|
||||
<p class="code">
|
||||
const char *ttfGetCopyright(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Copyright text</p>
|
||||
<h3 class="function"><a id="ttfGetDescent">ttfGetDescent</a></h3>
|
||||
<p class="description">Get the maximum depth of non-accented characters.</p>
|
||||
<p class="code">
|
||||
int ttfGetDescent(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Descent in 1000ths</p>
|
||||
<h3 class="function"><a id="ttfGetExtents">ttfGetExtents</a></h3>
|
||||
<p class="description">Get the extents of a UTF-8 string.</p>
|
||||
<p class="code">
|
||||
ttf_rect_t *ttfGetExtents(ttf_t *font, float size, const char *s, ttf_rect_t *extents);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
<tr><th>size</th>
|
||||
<td class="description">Font size</td></tr>
|
||||
<tr><th>s</th>
|
||||
<td class="description">String</td></tr>
|
||||
<tr><th>extents</th>
|
||||
<td class="description">Extents of the string</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Pointer to extents or <code>NULL</code> on error</p>
|
||||
<h4 class="discussion">Discussion</h4>
|
||||
<p class="discussion">This function computes the extents of a UTF-8 string when rendered using the
|
||||
specified font and size.</p>
|
||||
<h3 class="function"><a id="ttfGetFamily">ttfGetFamily</a></h3>
|
||||
<p class="description">Get the family name of a font.</p>
|
||||
<p class="code">
|
||||
const char *ttfGetFamily(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Family name</p>
|
||||
<h3 class="function"><a id="ttfGetItalicAngle">ttfGetItalicAngle</a></h3>
|
||||
<p class="description">Get the italic angle.</p>
|
||||
<p class="code">
|
||||
float ttfGetItalicAngle(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Angle in degrees</p>
|
||||
<h3 class="function"><a id="ttfGetMaxChar">ttfGetMaxChar</a></h3>
|
||||
<p class="description">Get the last character in the font.</p>
|
||||
<p class="code">
|
||||
int ttfGetMaxChar(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Last character in font</p>
|
||||
<h3 class="function"><a id="ttfGetMinChar">ttfGetMinChar</a></h3>
|
||||
<p class="description">Get the first character in the font.</p>
|
||||
<p class="code">
|
||||
int ttfGetMinChar(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">First character in font</p>
|
||||
<h3 class="function"><a id="ttfGetNumFonts">ttfGetNumFonts</a></h3>
|
||||
<p class="description">Get the number of fonts in this collection.</p>
|
||||
<p class="code">
|
||||
size_t ttfGetNumFonts(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Number of fonts</p>
|
||||
<h3 class="function"><a id="ttfGetPostScriptName">ttfGetPostScriptName</a></h3>
|
||||
<p class="description">Get the PostScript name of a font.</p>
|
||||
<p class="code">
|
||||
const char *ttfGetPostScriptName(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">PostScript name</p>
|
||||
<h3 class="function"><a id="ttfGetStretch">ttfGetStretch</a></h3>
|
||||
<p class="description">Get the font "stretch" value...</p>
|
||||
<p class="code">
|
||||
ttf_stretch_t ttfGetStretch(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Stretch value</p>
|
||||
<h3 class="function"><a id="ttfGetStyle">ttfGetStyle</a></h3>
|
||||
<p class="description">Get the font style.</p>
|
||||
<p class="code">
|
||||
ttf_style_t ttfGetStyle(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Style</p>
|
||||
<h3 class="function"><a id="ttfGetVersion">ttfGetVersion</a></h3>
|
||||
<p class="description">Get the version number of a font.</p>
|
||||
<p class="code">
|
||||
const char *ttfGetVersion(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Version number</p>
|
||||
<h3 class="function"><a id="ttfGetWeight">ttfGetWeight</a></h3>
|
||||
<p class="description">Get the weight of a font.</p>
|
||||
<p class="code">
|
||||
ttf_weight_t ttfGetWeight(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Weight</p>
|
||||
<h3 class="function"><a id="ttfGetWidth">ttfGetWidth</a></h3>
|
||||
<p class="description">Get the width of a single character.</p>
|
||||
<p class="code">
|
||||
int ttfGetWidth(ttf_t *font, int ch);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
<tr><th>ch</th>
|
||||
<td class="description">Unicode character</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Width in 1000ths</p>
|
||||
<h3 class="function"><a id="ttfGetXHeight">ttfGetXHeight</a></h3>
|
||||
<p class="description">Get the height of lowercase letters.</p>
|
||||
<p class="code">
|
||||
int ttfGetXHeight(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description">Lowercase letter height in 1000ths</p>
|
||||
<h3 class="function"><a id="ttfIsFixedPitch">ttfIsFixedPitch</a></h3>
|
||||
<p class="description">Determine whether a font is fixedpitch.</p>
|
||||
<p class="code">
|
||||
bool ttfIsFixedPitch(ttf_t *font);</p>
|
||||
<h4 class="parameters">Parameters</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>font</th>
|
||||
<td class="description">Font</td></tr>
|
||||
</tbody></table>
|
||||
<h4 class="returnvalue">Return Value</h4>
|
||||
<p class="description"><code>true</code> if fixed pitch, <code>false</code> otherwise</p>
|
||||
<h2 class="title"><a id="TYPES">Data Types</a></h2>
|
||||
<h3 class="typedef"><a id="pdfio_array_t">pdfio_array_t</a></h3>
|
||||
<p class="description">Array of PDF values</p>
|
||||
@ -3264,6 +3033,21 @@ typedef struct _pdfio_file_s pdfio_file_t;
|
||||
<p class="code">
|
||||
typedef enum <a href="#pdfio_filter_e">pdfio_filter_e</a> pdfio_filter_t;
|
||||
</p>
|
||||
<h3 class="typedef"><a id="pdfio_linecap_t">pdfio_linecap_t</a></h3>
|
||||
<p class="description">Line capping modes</p>
|
||||
<p class="code">
|
||||
typedef enum <a href="#pdfio_linecap_e">pdfio_linecap_e</a> pdfio_linecap_t;
|
||||
</p>
|
||||
<h3 class="typedef"><a id="pdfio_linejoin_t">pdfio_linejoin_t</a></h3>
|
||||
<p class="description">Line joining modes</p>
|
||||
<p class="code">
|
||||
typedef enum <a href="#pdfio_linejoin_e">pdfio_linejoin_e</a> pdfio_linejoin_t;
|
||||
</p>
|
||||
<h3 class="typedef"><a id="pdfio_matrix_t[3][2]">pdfio_matrix_t[3][2]</a></h3>
|
||||
<p class="description">Transform matrix</p>
|
||||
<p class="code">
|
||||
typedef double pdfio_matrix_t[3][2];
|
||||
</p>
|
||||
<h3 class="typedef"><a id="pdfio_obj_t">pdfio_obj_t</a></h3>
|
||||
<p class="description">Numbered object in PDF file</p>
|
||||
<p class="code">
|
||||
@ -3279,16 +3063,16 @@ typedef struct <a href="#pdfio_rect_s">pdfio_rect_s</a> pdfio_rect_t;
|
||||
<p class="code">
|
||||
typedef struct _pdfio_stream_s pdfio_stream_t;
|
||||
</p>
|
||||
<h3 class="typedef"><a id="pdfio_textrendering_t">pdfio_textrendering_t</a></h3>
|
||||
<p class="description">Text rendering modes</p>
|
||||
<p class="code">
|
||||
typedef enum <a href="#pdfio_textrendering_e">pdfio_textrendering_e</a> pdfio_textrendering_t;
|
||||
</p>
|
||||
<h3 class="typedef"><a id="pdfio_valtype_t">pdfio_valtype_t</a></h3>
|
||||
<p class="description">PDF value types</p>
|
||||
<p class="code">
|
||||
typedef enum <a href="#pdfio_valtype_e">pdfio_valtype_e</a> pdfio_valtype_t;
|
||||
</p>
|
||||
<h3 class="typedef"><a id="ssize_t">ssize_t</a></h3>
|
||||
<p class="description">POSIX type not present on Windows...</p>
|
||||
<p class="code">
|
||||
typedef __int64 ssize_t;
|
||||
</p>
|
||||
<h2 class="title"><a id="STRUCTURES">Structures</a></h2>
|
||||
<h3 class="struct"><a id="pdfio_rect_s">pdfio_rect_s</a></h3>
|
||||
<p class="description">PDF rectangle</p>
|
||||
@ -3309,6 +3093,10 @@ typedef __int64 ssize_t;
|
||||
<tr><th>y2 </th>
|
||||
<td class="description">Upper-right Y coordinate</td></tr>
|
||||
</tbody></table>
|
||||
<h2 class="title"><a id="VARIABLES">Variables</a></h2>
|
||||
<h3 class="variable"><a id="PDFIO_PUBLIC">PDFIO_PUBLIC</a></h3>
|
||||
<p class="description">C++ magic...</p>
|
||||
<p class="code"><a href="#pdfio_dict_t">pdfio_dict_t</a> *dict const char *name <a href="#pdfio_obj_t">pdfio_obj_t</a> *obj) PDFIO_PUBLIC;</p>
|
||||
<h2 class="title"><a id="ENUMERATIONS">Constants</a></h2>
|
||||
<h3 class="enumeration"><a id="pdfio_filter_e">pdfio_filter_e</a></h3>
|
||||
<p class="description">Compression/decompression filters for streams</p>
|
||||
@ -3326,6 +3114,35 @@ typedef __int64 ssize_t;
|
||||
<tr><th>PDFIO_FILTER_NONE </th><td class="description">No filter</td></tr>
|
||||
<tr><th>PDFIO_FILTER_RUNLENGTH </th><td class="description">RunLengthDecode filter (reading only)</td></tr>
|
||||
</tbody></table>
|
||||
<h3 class="enumeration"><a id="pdfio_linecap_e">pdfio_linecap_e</a></h3>
|
||||
<p class="description">Line capping modes</p>
|
||||
<h4 class="constants">Constants</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>PDFIO_LINECAP_BUTT </th><td class="description">Butt ends</td></tr>
|
||||
<tr><th>PDFIO_LINECAP_ROUND </th><td class="description">Round ends</td></tr>
|
||||
<tr><th>PDFIO_LINECAP_SQUARE </th><td class="description">Square ends</td></tr>
|
||||
</tbody></table>
|
||||
<h3 class="enumeration"><a id="pdfio_linejoin_e">pdfio_linejoin_e</a></h3>
|
||||
<p class="description">Line joining modes</p>
|
||||
<h4 class="constants">Constants</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>PDFIO_LINEJOIN_BEVEL </th><td class="description">Bevel joint</td></tr>
|
||||
<tr><th>PDFIO_LINEJOIN_MITER </th><td class="description">Miter joint</td></tr>
|
||||
<tr><th>PDFIO_LINEJOIN_ROUND </th><td class="description">Round joint</td></tr>
|
||||
</tbody></table>
|
||||
<h3 class="enumeration"><a id="pdfio_textrendering_e">pdfio_textrendering_e</a></h3>
|
||||
<p class="description">Text rendering modes</p>
|
||||
<h4 class="constants">Constants</h4>
|
||||
<table class="list"><tbody>
|
||||
<tr><th>PDFIO_TEXTRENDERING_FILL </th><td class="description">Fill text</td></tr>
|
||||
<tr><th>PDFIO_TEXTRENDERING_FILL_AND_STROKE </th><td class="description">Fill then stroke text</td></tr>
|
||||
<tr><th>PDFIO_TEXTRENDERING_FILL_AND_STROKE_PATH </th><td class="description">Fill then stroke text and add to path</td></tr>
|
||||
<tr><th>PDFIO_TEXTRENDERING_FILL_PATH </th><td class="description">Fill text and add to path</td></tr>
|
||||
<tr><th>PDFIO_TEXTRENDERING_INVISIBLE </th><td class="description">Don't fill or stroke (invisible)</td></tr>
|
||||
<tr><th>PDFIO_TEXTRENDERING_STROKE </th><td class="description">Stroke text</td></tr>
|
||||
<tr><th>PDFIO_TEXTRENDERING_STROKE_PATH </th><td class="description">Stroke text and add to path</td></tr>
|
||||
<tr><th>PDFIO_TEXTRENDERING_TEXT_PATH </th><td class="description">Add text to path (invisible)</td></tr>
|
||||
</tbody></table>
|
||||
<h3 class="enumeration"><a id="pdfio_valtype_e">pdfio_valtype_e</a></h3>
|
||||
<p class="description">PDF value types</p>
|
||||
<h4 class="constants">Constants</h4>
|
||||
|
||||
@ -1618,21 +1618,21 @@ pdfioFileCreateICCObjFromFile(
|
||||
|
||||
|
||||
//
|
||||
// 'pdfioFileCreateImageObjFromData()' - Add an image object to a PDF file from memory.
|
||||
// 'pdfioFileCreateImageObjFromData()' - Add image object(s) to a PDF file from memory.
|
||||
//
|
||||
// This function creates an image object in a PDF file from a data buffer in
|
||||
// memory. The "data" parameter points to the image data as 8-bit values. The
|
||||
// "width" and "height" parameters specify the image dimensions. The
|
||||
// "num_colors" parameter specifies the number of color components as follows:
|
||||
// This function creates image object(s) in a PDF file from a data buffer in
|
||||
// memory. The "data" parameter points to the image data as 8-bit color values.
|
||||
// The "width" and "height" parameters specify the image dimensions. The
|
||||
// "num_colors" parameter specifies the number of color components (`1` for
|
||||
// grayscale, `3` for RGB, and `4` for CMYK) and the "alpha" parameter specifies
|
||||
// whether each color tuple is followed by an alpha value. The "color_data"
|
||||
// parameter specifies an optional color space array for the image - if `NULL`,
|
||||
// the image is encoded in the corresponding device color space. The
|
||||
// "interpolate" parameter specifies whether to interpolate when scaling the
|
||||
// image on the page.
|
||||
//
|
||||
// - 1 = grayscale
|
||||
// - 2 = grayscale + alpha
|
||||
// - 3 = RGB
|
||||
// - 4 = RGBA
|
||||
//
|
||||
// The "color_data" parameter specifies an optional color space array for the
|
||||
// image. The "interpolate" parameter specifies whether to interpolate when
|
||||
// scaling the image on the page.
|
||||
// Note: When creating an image object with alpha, a second image object is
|
||||
// created to hold the "soft mask" data for the primary image.
|
||||
//
|
||||
|
||||
pdfio_obj_t * // O - Object
|
||||
|
||||
Loading…
Reference in New Issue
Block a user