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Add content convenience functions.

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Michael R Sweet
2021-05-24 19:33:40 -04:00
parent 0ae8ddc515
commit eb4477ce9b
4 changed files with 1015 additions and 34 deletions
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53
pdfio-content.h
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@@ -32,23 +32,16 @@ extern "C" {
typedef enum pdfio_linecap_e // Line capping modes
{
PDFIO_LINECAP_ = , //
PDFIO_LINECAP_ = , //
PDFIO_LINECAP_ = , //
PDFIO_LINECAP_ = , //
PDFIO_LINECAP_ = , //
PDFIO_LINECAP_ = , //
PDFIO_LINECAP_ = , //
PDFIO_LINECAP_BUTT, // Butt ends
PDFIO_LINECAP_ROUND, // Round ends
PDFIO_LINECAP_SQUARE // Square ends
} pdfio_linecap_t;
typedef enum pdfio_linejoin_e // Line joining modes
{
PDFIO_LINEJOIN_ = , //
PDFIO_LINEJOIN_ = , //
PDFIO_LINEJOIN_ = , //
PDFIO_LINEJOIN_ = , //
PDFIO_LINEJOIN_ = , //
PDFIO_LINEJOIN_ = , //
PDFIO_LINEJOIN_MITER, // Miter joint
PDFIO_LINEJOIN_ROUND, // Round joint
PDFIO_LINEJOIN_BEVEL // Bevel joint
} pdfio_linejoin_t;
typedef float pdfio_matrix_t[3][2]; // Transform matrix
@@ -94,20 +87,16 @@ extern bool pdfioContentMatrixConcat(pdfio_stream_t *st, pdfio_matrix_t m) PDFI
extern bool pdfioContentMatrixRotate(pdfio_stream_t *st, float degrees) PDFIO_PUBLIC;
extern bool pdfioContentMatrixScale(pdfio_stream_t *st, float sx, float sy) PDFIO_PUBLIC;
extern bool pdfioContentMatrixTranslate(pdfio_stream_t *st, float tx, float ty) PDFIO_PUBLIC;
extern bool pdfioContentMoveTextLine(pdfio_stream_t *st, float tx, float ty) PDFIO_PUBLIC;
extern bool pdfioContentMoveTextTo(pdfio_stream_t *st, float x, float y, float leading) PDFIO_PUBLIC;
extern bool pdfioContentNextTextLine(pdfio_stream_t *st) PDFIO_PUBLIC;
extern bool pdfioContentPathClose(pdfio_stream_t *st) PDFIO_PUBLIC;
extern bool pdfioContentPathCurveTo(pdfio_stream_t *st, float x, float y) PDFIO_PUBLIC;
extern bool pdfioContentPathEnd(pdfio_stream_t *st) PDFIO_PUBLIC;
extern bool pdfioContentPathCurve(pdfio_stream_t *st, float x1, float y1, float x2, float y2, float x3, float y3) PDFIO_PUBLIC;
extern bool pdfioContentPathCurve13(pdfio_stream_t *st, float x1, float y1, float x3, float y3) PDFIO_PUBLIC;
extern bool pdfioContentPathCurve23(pdfio_stream_t *st, float x2, float y2, float x3, float y3) PDFIO_PUBLIC;
extern bool pdfioContentPathLineTo(pdfio_stream_t *st, float x, float y) PDFIO_PUBLIC;
extern bool pdfioContentPathMoveTo(pdfio_stream_t *st, float x, float y) PDFIO_PUBLIC;
extern bool pdfioContentPathNew(pdfio_stream_t *st) PDFIO_PUBLIC;
extern bool pdfioContentPathRect(pdfio_stream_t *st, pdfio_rect_t *rect) PDFIO_PUBLIC;
extern bool pdfioContentRestore(pdfio_stream_t *st) PDFIO_PUBLIC;
extern bool pdfioContentSave(pdfio_stream_t *st) PDFIO_PUBLIC;
extern bool pdfioContentSetCharacterSpacing(pdfio_stream_t *st, float spacing) PDFIO_PUBLIC;
extern bool pdfioContentSetDashPattern(pdfio_stream_t *st,) PDFIO_PUBLIC;
extern bool pdfioContentSetDashPattern(pdfio_stream_t *st, int phase, int on, int off) PDFIO_PUBLIC;
extern bool pdfioContentSetFillColorDeviceCMYK(pdfio_stream_t *st, float c, float m, float y, float k) PDFIO_PUBLIC;
extern bool pdfioContentSetFillColorDeviceGray(pdfio_stream_t *st, float g) PDFIO_PUBLIC;
extern bool pdfioContentSetFillColorDeviceRGB(pdfio_stream_t *st, float r, float g, float b) PDFIO_PUBLIC;
@@ -115,32 +104,36 @@ extern bool pdfioContentSetFillColorGray(pdfio_stream_t *st, float g) PDFIO_PUB
extern bool pdfioContentSetFillColorRGB(pdfio_stream_t *st, float r, float g, float b) PDFIO_PUBLIC;
extern bool pdfioContentSetFillColorSpace(pdfio_stream_t *st, const char *name) PDFIO_PUBLIC;
extern bool pdfioContentSetFlatness(pdfio_stream_t *st, float f) PDFIO_PUBLIC;
extern bool pdfioContentSetFont(pdfio_stream_t *st, const char *name, float size) PDFIO_PUBLIC;
extern bool pdfioContentSetLineCap(pdfio_stream_t *st, pdfio_linecap_t lc) PDFIO_PUBLIC;
extern bool pdfioContentSetLineJoin(pdfio_stream_t *st, pdfio_linejoin_t lj) PDFIO_PUBLIC;
extern bool pdfioContentSetLineWidth(pdfio_stream_t *st, float w) PDFIO_PUBLIC;
extern bool pdfioContentSetMiterLimit(pdfio_stream_t *st, float l) PDFIO_PUBLIC;
extern bool pdfioContentSetLineWidth(pdfio_stream_t *st, float width) PDFIO_PUBLIC;
extern bool pdfioContentSetMiterLimit(pdfio_stream_t *st, float limit) PDFIO_PUBLIC;
extern bool pdfioContentSetStrokeColorDeviceCMYK(pdfio_stream_t *st, float c, float m, float y, float k) PDFIO_PUBLIC;
extern bool pdfioContentSetStrokeColorDeviceGray(pdfio_stream_t *st, float g) PDFIO_PUBLIC;
extern bool pdfioContentSetStrokeColorDeviceRGB(pdfio_stream_t *st, float r, float g, float b) PDFIO_PUBLIC;
extern bool pdfioContentSetStrokeColorGray(pdfio_stream_t *st, float g) PDFIO_PUBLIC;
extern bool pdfioContentSetStrokeColorRGB(pdfio_stream_t *st, float r, float g, float b) PDFIO_PUBLIC;
extern bool pdfioContentSetStrokeColorSpace(pdfio_stream_t *st, const char *name) PDFIO_PUBLIC;
extern bool pdfioContentSetTextCharacterSpacing(pdfio_stream_t *st, float spacing) PDFIO_PUBLIC;
extern bool pdfioContentSetTextFont(pdfio_stream_t *st, const char *name, float size) PDFIO_PUBLIC;
extern bool pdfioContentSetTextLeading(pdfio_stream_t *st, float leading) PDFIO_PUBLIC;
extern bool pdfioContentSetTextMatrix(pdfio_stream_t *st, pdfio_matrix_t m) PDFIO_PUBLIC;
extern bool pdfioContentSetTextRenderingMode(pdfio_stream_t *st, pdfio_textrendering_t mode) PDFIO_PUBLIC;
extern bool pdfioContentSetTextRise(pdfio_stream_t *st, float rise) PDFIO_PUBLIC;
extern bool pdfioContentSetTextWordSpacing(pdfio_stream_t *st, float spacing) PDFIO_PUBLIC;
extern bool pdfioContentSetTextXScaling(pdfio_stream_t *st, float percent) PDFIO_PUBLIC;
extern bool pdfioContentShowJustifiedText(pdfio_stream_t *st, size_t num_fragments, const float **offsets, const char * const *fragments) PDFIO_PUBLIC;
extern bool pdfioContentShowText(pdfio_stream_t *st, const char *s, bool new_line) PDFIO_PUBLIC;
extern bool pdfioContentStroke(pdfio_stream_t *st) PDFIO_PUBLIC;
extern bool pdfioContentTextMoveLine(pdfio_stream_t *st, float tx, float ty) PDFIO_PUBLIC;
extern bool pdfioContentTextMoveTo(pdfio_stream_t *st, float tx, float ty) PDFIO_PUBLIC;
extern bool pdfioContentTextNextLine(pdfio_stream_t *st) PDFIO_PUBLIC;
extern bool pdfioContentTextShow(pdfio_stream_t *st, const char *s, bool new_line) PDFIO_PUBLIC;
extern bool pdfioContentTextShowJustified(pdfio_stream_t *st, size_t num_fragments, const float *offsets, const char * const *fragments) PDFIO_PUBLIC;
// Page dictionary helpers...
extern bool pdfioPageDictAddICCColorSpace(pdfio_dict_t *dict, const char *name, pdfio_obj_t *obj);
extern bool pdfioPageDictAddCalibratedColorSpace(pdfio_dict_t *dict, const char *name, size_t num_colors, const float *white_point, float gamma);
extern bool pdfioPageDictAddFont(pdfio_dict_t *dict, const char *name, pdfio_obj_t *obj);
extern bool pdfioPageDictAddImage(pdfio_dict_t *dict, const char *name, pdfio_obj_t *obj);
extern bool pdfioPageDictAddICCColorSpace(pdfio_dict_t *dict, const char *name, pdfio_obj_t *obj) PDFIO_PUBLIC;
extern bool pdfioPageDictAddCalibratedColorSpace(pdfio_dict_t *dict, const char *name, size_t num_colors, const float *white_point, float gamma) PDFIO_PUBLIC;
extern bool pdfioPageDictAddFont(pdfio_dict_t *dict, const char *name, pdfio_obj_t *obj) PDFIO_PUBLIC;
extern bool pdfioPageDictAddImage(pdfio_dict_t *dict, const char *name, pdfio_obj_t *obj) PDFIO_PUBLIC;
// Resource helpers...
extern pdfio_obj_t *pdfioFileCreateFontObject(pdfio_file_t *pdf, const char *filename) PDFIO_PUBLIC;