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Overhaul pdfobj #176

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Overhaul pdfobj #176

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b0fc8d6
dpx_pdfobj ergonomics
cormacrelf Oct 29, 2019
8a1a764
more
cormacrelf Oct 29, 2019
6c63f63
Mostly rustify filter_decoded
cormacrelf Oct 29, 2019
eb96ba3
Use Box to allocate pdf_obj; more stream API
cormacrelf Oct 29, 2019
75018fb
Hide *mut pdf_obj behing PdfObjRef alias
cormacrelf Oct 29, 2019
b50619b
safe_new_obj for constructing pdf_obj without needing unsafe
cormacrelf Oct 29, 2019
0ddd4bc
safely initialize pdf_name
cormacrelf Oct 29, 2019
343d3cc
rename pdf_name
cormacrelf Oct 29, 2019
5e3522e
Convert PdfName to use CString properly
cormacrelf Oct 29, 2019
59657b8
More Box allocation for adding to a pdf_dict
cormacrelf Oct 29, 2019
f1061f2
Use hashmap for pdf_dict (now non-deterministic)
cormacrelf Oct 29, 2019
9d28da2
use indexmap for pdf_dict so it's deterministic again
cormacrelf Oct 29, 2019
0e2cc81
Rename pdf_dict -> PdfDict
cormacrelf Oct 29, 2019
365d119
Restore some lost documentation
cormacrelf Oct 29, 2019
a12fd0a
Make filter_decoded work properly for PNG decoding again
cormacrelf Oct 29, 2019
233a54d
free tmp_key_ptr in pdf_foreach_dict
cormacrelf Oct 30, 2019
af948ee
fix scanline vecs being to short in filter_decoded
cormacrelf Oct 30, 2019
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42 changes: 39 additions & 3 deletions Cargo.lock
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2 changes: 2 additions & 0 deletions dpx/Cargo.toml
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Expand Up @@ -15,6 +15,8 @@ md-5 = "0.8.0"
sha2 = "0.8.0"
rand = "0.7.2"
chrono = "0.4.9"
indexmap = "1.3.0"
png = "0.15.0"

[features]
default = ['libz-sys']
Expand Down
21 changes: 11 additions & 10 deletions dpx/src/dpx_cid.rs
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Expand Up @@ -29,6 +29,7 @@

use crate::DisplayExt;
use std::ffi::CStr;
use crate::dpx_pdfobj::PdfObjRef;

use crate::dpx_pdfparse::ParsePdfObj;
use crate::mfree;
Expand Down Expand Up @@ -69,9 +70,9 @@ pub struct CIDFont {
pub parent: [i32; 2],
pub csi: *mut CIDSysInfo,
pub options: *mut cid_opt,
pub indirect: *mut pdf_obj,
pub fontdict: *mut pdf_obj,
pub descriptor: *mut pdf_obj,
pub indirect: PdfObjRef,
pub fontdict: PdfObjRef,
pub descriptor: PdfObjRef,
}
#[derive(Copy, Clone)]
#[repr(C)]
Expand Down Expand Up @@ -411,20 +412,20 @@ unsafe fn CIDFont_new() -> *mut CIDFont {
/*
* PDF Font Resource
*/
(*font).indirect = 0 as *mut pdf_obj;
(*font).fontdict = 0 as *mut pdf_obj;
(*font).descriptor = 0 as *mut pdf_obj;
(*font).indirect = 0 as PdfObjRef;
(*font).fontdict = 0 as PdfObjRef;
(*font).descriptor = 0 as PdfObjRef;
font
}
/* It does write PDF objects. */
unsafe fn CIDFont_flush(mut font: *mut CIDFont) {
if !font.is_null() {
pdf_release_obj((*font).indirect);
(*font).indirect = 0 as *mut pdf_obj;
(*font).indirect = 0 as PdfObjRef;
pdf_release_obj((*font).fontdict);
(*font).fontdict = 0 as *mut pdf_obj;
(*font).fontdict = 0 as PdfObjRef;
pdf_release_obj((*font).descriptor);
(*font).descriptor = 0 as *mut pdf_obj
(*font).descriptor = 0 as PdfObjRef
};
}
unsafe fn CIDFont_release(mut font: *mut CIDFont) {
Expand Down Expand Up @@ -498,7 +499,7 @@ pub unsafe extern "C" fn CIDFont_get_parent_id(mut font: *mut CIDFont, mut wmode
(*font).parent[wmode as usize]
}
#[no_mangle]
pub unsafe extern "C" fn CIDFont_get_resource(mut font: *mut CIDFont) -> *mut pdf_obj {
pub unsafe extern "C" fn CIDFont_get_resource(mut font: *mut CIDFont) -> PdfObjRef {
assert!(!font.is_null());
if (*font).indirect.is_null() {
(*font).indirect = pdf_ref_obj((*font).fontdict)
Expand Down
21 changes: 11 additions & 10 deletions dpx/src/dpx_cidtype0.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@

use crate::DisplayExt;
use std::ffi::CStr;
use crate::dpx_pdfobj::PdfObjRef;

use super::dpx_sfnt::{
sfnt_close, sfnt_find_table_pos, sfnt_locate_table, sfnt_open, sfnt_read_table_directory,
Expand Down Expand Up @@ -165,14 +166,14 @@ pub unsafe extern "C" fn CIDFont_type0_set_flags(mut flags: i32) {
* PDF Reference 3rd. ed., p.340, "Glyph Metrics in CID Fonts".
*/
unsafe fn add_CIDHMetrics(
mut fontdict: *mut pdf_obj,
mut fontdict: PdfObjRef,
mut CIDToGIDMap: *mut u8,
mut last_cid: u16,
mut maxp: *mut tt_maxp_table,
mut head: *mut tt_head_table,
mut hmtx: *mut tt_longMetrics,
) {
let mut an_array: *mut pdf_obj = 0 as *mut pdf_obj;
let mut an_array: PdfObjRef = 0 as PdfObjRef;
let mut start: i32 = 0i32;
let mut prev: i32 = 0i32;
let mut empty: i32 = 1i32;
Expand Down Expand Up @@ -205,14 +206,14 @@ unsafe fn add_CIDHMetrics(
if !an_array.is_null() {
pdf_add_array(&mut *w_array, pdf_new_number(start as f64));
pdf_add_array(&mut *w_array, an_array);
an_array = 0 as *mut pdf_obj;
an_array = 0 as PdfObjRef;
empty = 0i32
}
} else {
if cid != prev + 1i32 && !an_array.is_null() {
pdf_add_array(&mut *w_array, pdf_new_number(start as f64));
pdf_add_array(&mut *w_array, an_array);
an_array = 0 as *mut pdf_obj;
an_array = 0 as PdfObjRef;
empty = 0i32
}
if an_array.is_null() {
Expand Down Expand Up @@ -242,7 +243,7 @@ unsafe fn add_CIDHMetrics(
}
unsafe fn add_CIDVMetrics(
mut sfont: *mut sfnt,
mut fontdict: *mut pdf_obj,
mut fontdict: PdfObjRef,
mut CIDToGIDMap: *mut u8,
mut last_cid: u16,
mut maxp: *mut tt_maxp_table,
Expand Down Expand Up @@ -376,7 +377,7 @@ unsafe fn add_CIDVMetrics(
}
unsafe fn add_CIDMetrics(
mut sfont: *mut sfnt,
mut fontdict: *mut pdf_obj,
mut fontdict: PdfObjRef,
mut CIDToGIDMap: *mut u8,
mut last_cid: u16,
mut need_vmetrics: i32,
Expand Down Expand Up @@ -1147,7 +1148,7 @@ pub unsafe extern "C" fn CIDFont_type0_open(
}
pdf_add_dict(&mut *(*font).descriptor, "FontName", pdf_copy_name(fontname));
pdf_add_dict(&mut *(*font).fontdict, "BaseFont", pdf_copy_name(fontname));
let mut csi_dict: *mut pdf_obj = pdf_new_dict();
let mut csi_dict: PdfObjRef = pdf_new_dict();
pdf_add_dict(
&mut *csi_dict,
"Registry",
Expand Down Expand Up @@ -1609,13 +1610,13 @@ unsafe fn create_ToUnicode_stream(
cffont: &cff_font,
mut font_name: *const i8,
mut used_glyphs: *const i8,
) -> *mut pdf_obj {
let mut stream: *mut pdf_obj = 0 as *mut pdf_obj;
) -> PdfObjRef {
let mut stream: PdfObjRef = 0 as PdfObjRef;
let mut wbuf: [u8; 1024] = [0; 1024];
static mut range_min: [u8; 2] = [0; 2];
static mut range_max: [u8; 2] = [0xff, 0xff];
if font_name.is_null() || used_glyphs.is_null() {
return 0 as *mut pdf_obj;
return 0 as PdfObjRef;
}
let cmap = CMap_new();
let cmap_name = new((strlen(font_name)
Expand Down
11 changes: 6 additions & 5 deletions dpx/src/dpx_cidtype2.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@

use crate::DisplayExt;
use std::ffi::CStr;
use crate::dpx_pdfobj::PdfObjRef;

use super::dpx_sfnt::{
dfont_open, sfnt_close, sfnt_create_FontFile_stream, sfnt_find_table_pos, sfnt_open,
Expand Down Expand Up @@ -416,15 +417,15 @@ unsafe fn find_tocode_cmap(mut reg: *const i8, mut ord: *const i8, mut select: i
* Mostly same as add_CID[HV]Metrics in cidtype0.c.
*/
unsafe fn add_TTCIDHMetrics(
mut fontdict: *mut pdf_obj,
mut fontdict: PdfObjRef,
mut g: *mut tt_glyphs,
mut used_chars: *mut i8,
mut cidtogidmap: *mut u8,
mut last_cid: u16,
) {
let mut start: i32 = 0i32;
let mut prev: i32 = 0i32;
let mut an_array: *mut pdf_obj = 0 as *mut pdf_obj;
let mut an_array: PdfObjRef = 0 as PdfObjRef;
let mut empty: i32 = 1i32;
let w_array = pdf_new_array();
let dw = if (*g).dw as i32 != 0i32 && (*g).dw as i32 <= (*g).emsize as i32 {
Expand Down Expand Up @@ -459,15 +460,15 @@ unsafe fn add_TTCIDHMetrics(
if !an_array.is_null() {
pdf_add_array(&mut *w_array, pdf_new_number(start as f64));
pdf_add_array(&mut *w_array, an_array);
an_array = 0 as *mut pdf_obj;
an_array = 0 as PdfObjRef;
empty = 0i32
}
} else {
if cid != prev + 1i32 {
if !an_array.is_null() {
pdf_add_array(&mut *w_array, pdf_new_number(start as f64));
pdf_add_array(&mut *w_array, an_array);
an_array = 0 as *mut pdf_obj;
an_array = 0 as PdfObjRef;
empty = 0i32
}
}
Expand All @@ -493,7 +494,7 @@ unsafe fn add_TTCIDHMetrics(
pdf_release_obj(w_array);
}
unsafe fn add_TTCIDVMetrics(
mut fontdict: *mut pdf_obj,
mut fontdict: PdfObjRef,
mut g: *mut tt_glyphs,
mut used_chars: *mut i8,
mut last_cid: u16,
Expand Down
9 changes: 5 additions & 4 deletions dpx/src/dpx_cmap_write.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@

use crate::warn;

use crate::dpx_pdfobj::PdfObjRef;
use super::dpx_cid::{CSI_IDENTITY, CSI_UNICODE};
use super::dpx_cmap::{CMap_get_CIDSysInfo, CMap_is_valid};
use super::dpx_mem::new;
Expand Down Expand Up @@ -129,7 +130,7 @@ unsafe fn write_map(
mut codestr: *mut u8,
mut depth: size_t,
mut wbuf: *mut sbuf,
mut stream: *mut pdf_obj,
mut stream: PdfObjRef,
) -> i32 {
/* Must be greater than 1 */
let mut blocks: [C2RustUnnamed_1; 129] = [C2RustUnnamed_1 { start: 0, count: 0 }; 129];
Expand Down Expand Up @@ -349,18 +350,18 @@ unsafe fn write_map(
count as i32
}
#[no_mangle]
pub unsafe extern "C" fn CMap_create_stream(mut cmap: *mut CMap) -> *mut pdf_obj {
pub unsafe extern "C" fn CMap_create_stream(mut cmap: *mut CMap) -> PdfObjRef {
let mut wbuf: sbuf = sbuf {
buf: 0 as *mut i8,
curptr: 0 as *mut i8,
limptr: 0 as *mut i8,
};
if cmap.is_null() || !CMap_is_valid(cmap) {
warn!("Invalid CMap");
return 0 as *mut pdf_obj;
return 0 as PdfObjRef;
}
if (*cmap).type_0 == 0i32 {
return 0 as *mut pdf_obj;
return 0 as PdfObjRef;
}
let stream = pdf_new_stream(1i32 << 0i32);
let stream_dict = pdf_stream_dict(&mut *stream);
Expand Down
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