genesi

1 files changed, 194 insertions, 0 deletions

diff --git a/go-poppler/annot.go b/go-poppler/annot.go
new file mode 100644
index 0000000..4527d83
--- /dev/null
+++ b/go-poppler/annot.go
@@ -0,0 +1,194 @@
+package poppler
+
+// #cgo pkg-config: poppler-glib
+// #include <poppler.h>
+// #include <glib.h>
+// #include <cairo.h>
+//
+// /* macro wrappings */
+// gboolean wrap_POPPLER_IS_ANNOT_TEXT_MARKUP(PopplerAnnot *annot){
+//   return POPPLER_IS_ANNOT_TEXT_MARKUP(annot);
+// }
+// PopplerAnnotTextMarkup *wrap_POPPLER_ANNOT_TEXT_MARKUP(PopplerAnnot *annot) {
+//	return POPPLER_ANNOT_TEXT_MARKUP(annot);
+// }
+import "C"
+
+import "unsafe"
+//import "github.com/ungerik/go-cairo"
+
+// DEBUG
+//import "fmt"
+
+type Point struct {
+	X, Y float64
+}
+type Quad struct {
+	P1, P2, P3, P4 Point
+}
+
+type Annot struct {
+	am *C.struct__PopplerAnnotMapping
+}
+
+type AnnotType int
+
+const (
+	AnnotUnknown AnnotType = iota
+	AnnotText
+	AnnotLink
+	AnnotFreeText
+	AnnotLine
+	AnnotSquare
+	AnnotCircle
+	AnnotPolygon
+	AnnotPolyLine
+	AnnotHighlight
+	AnnotUnderline
+	AnnotSquiggly
+	AnnotStrikeOut
+	AnnotStamp
+	AnnotCaret
+	AnnotInk
+	AnnotPopup
+	AnnotFileAttachment
+	AnnotSound
+	AnnotMovie
+	AnnotWidget
+	AnnotScreen
+	AnnotPrinterMark
+	AnnotTrapNet
+	AnnotWatermark
+	Annot3D
+)
+
+type AnnotFlag int
+
+const AnnotFlagUnknown AnnotFlag = 0
+const (
+	AnnotFlagInvisible	AnnotFlag = 1 << iota
+	AnnotFlagHidden
+	AnnotFlagPrint
+	AnnotFlagNoZoom
+	AnnotFlagNoRotate
+	AnnotFlagNoView
+	AnnotFlagReadOnly
+	AnnotFlagLocked
+	AnnotFlagToggleNoView
+	AnnotFlagLockedContents
+)
+
+func (a *Annot) Type() AnnotType {
+	t := C.poppler_annot_get_annot_type(a.am.annot)
+	return AnnotType(t)
+}
+
+func (a *Annot) Index() int {
+	i := C.poppler_annot_get_page_index(a.am.annot)
+	return int(i)
+}
+
+func (a *Annot) Date() string {
+	cText := C.poppler_annot_get_modified(a.am.annot)
+	return C.GoString(cText)
+}
+
+func (a *Annot) Rect() Rectangle {
+	var r C.PopplerRectangle
+	C.poppler_annot_get_rectangle(a.am.annot, &r)
+
+	rect := Rectangle{
+		X1: float64(r.x1),
+		Y1: float64(r.y1),
+		X2: float64(r.x2),
+		Y2: float64(r.y2),
+	}
+
+	return rect
+
+}
+
+func (a *Annot) Color() Color {
+	c := C.poppler_annot_get_color(a.am.annot)
+	if c == nil {
+		return Color{}
+	}
+	defer C.poppler_color_free(c)
+
+	color := Color{
+		R: int(c.red),
+		G: int(c.green),
+		B: int(c.blue),
+	}
+
+	return color
+}
+
+func (a *Annot) Name() string {
+	cText := C.poppler_annot_get_name(a.am.annot)
+	return C.GoString(cText)
+}
+
+func (a *Annot) Contents() string {
+	//if a.am.annot == nil {
+	//return ""
+	//}
+	cText := C.poppler_annot_get_contents(a.am.annot)
+	//fmt.Printf("DEBUG poppler_annot_get_contents returned pointer: %v", cText)
+	if cText == nil {
+		return ""
+	}
+	return C.GoString(cText)
+}
+
+func (a *Annot) Flags() AnnotFlag {
+	f := C.poppler_annot_get_flags(a.am.annot)
+	return AnnotFlag(f)
+}
+
+func (a *Annot) Quads() []Quad {
+	if C.wrap_POPPLER_IS_ANNOT_TEXT_MARKUP(a.am.annot) == C.FALSE {
+		return nil
+	}
+
+
+	textMarkup := C.wrap_POPPLER_ANNOT_TEXT_MARKUP(a.am.annot)
+
+	q := C.poppler_annot_text_markup_get_quadrilaterals(textMarkup)
+
+	quads := gArrayToQuads(q)
+
+	C.g_array_free(q, 1)
+
+	return quads
+}
+
+func (a *Annot) Close() {
+	if a.am != nil {
+		C.poppler_annot_mapping_free(a.am)
+		a.am = nil
+	}
+}
+
+func (a *Annot) SetColor(c Color){
+	pColor := C.poppler_color_new()
+	pColor.red = C.ushort(c.R)
+	pColor.green = C.ushort(c.G)
+	pColor.blue = C.ushort(c.B)
+	defer C.poppler_color_free(pColor)
+
+	C.poppler_annot_set_color(a.am.annot, pColor )
+}
+
+func (a *Annot) SetContents(c string){
+	cStr := C.CString(c)
+	defer C.free(unsafe.Pointer(cStr))
+
+	C.poppler_annot_set_contents(a.am.annot, cStr)
+}
+
+func  (a *Annot) SetFlags(f AnnotFlag){
+	pFlags := C.PopplerAnnotFlag(f)
+
+	C.poppler_annot_set_flags(a.am.annot, pFlags)
+}