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-rw-r--r--src/extension/internal/pdf.cpp188
1 files changed, 87 insertions, 101 deletions
diff --git a/src/extension/internal/pdf.cpp b/src/extension/internal/pdf.cpp
index dde35c391..80a5a1304 100644
--- a/src/extension/internal/pdf.cpp
+++ b/src/extension/internal/pdf.cpp
@@ -1109,48 +1109,8 @@ PrintPDF::image(Inkscape::Extension::Print *mod, guchar *px, unsigned int w, uns
{
if (!_stream) return 0; // XXX: fixme, returning -1 as unsigned.
if (_bitmap) return 0;
-
- return 0;
return print_image(_stream, px, w, h, rs, transform);
-#if 0
- fprintf(_stream, "gsave\n");
- fprintf(_stream, "/rowdata %d string def\n", 3 * w);
- fprintf(_stream, "[%g %g %g %g %g %g] concat\n",
- transform->c[0],
- transform->c[1],
- transform->c[2],
- transform->c[3],
- transform->c[4],
- transform->c[5]);
- fprintf(_stream, "%d %d 8 [%d 0 0 -%d 0 %d]\n", w, h, w, h, h);
- fprintf(_stream, "{currentfile rowdata readhexstring pop}\n");
- fprintf(_stream, "false 3 colorimage\n");
-
- for (unsigned int r = 0; r < h; r++) {
- guchar *s;
- unsigned int c0, c1, c;
- s = px + r * rs;
- for (c0 = 0; c0 < w; c0 += 24) {
- c1 = MIN(w, c0 + 24);
- for (c = c0; c < c1; c++) {
- static char const xtab[] = {'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'};
- fputc(xtab[s[0] >> 4], _stream);
- fputc(xtab[s[0] & 0xf], _stream);
- fputc(xtab[s[1] >> 4], _stream);
- fputc(xtab[s[1] & 0xf], _stream);
- fputc(xtab[s[2] >> 4], _stream);
- fputc(xtab[s[2] & 0xf], _stream);
- s += 4;
- }
- fputs("\n", _stream);
- }
- }
-
- fprintf(_stream, "grestore\n");
-
- return 0;
-#endif
}
char const *
@@ -1475,88 +1435,114 @@ PrintPDF::print_image(FILE *ofp, guchar *px, unsigned int width, unsigned int he
Inkscape::SVGOStringStream os;
os.setf(std::ios::fixed);
- return 0;
+ PdfObject *pdf_image = pdf_file->begin_resource(pdf_xobject);
+ PdfObject *pdf_image_len = pdf_file->begin_resource(pdf_none);
- os << "gsave\n";
- os << "[" << transform->c[0] << " "
+ PdfObject *pdf_smask = pdf_file->begin_resource(pdf_xobject);
+ PdfObject *pdf_smask_len = pdf_file->begin_resource(pdf_none);
+
+
+ os << "q\n";
+ os << transform->c[0] << " "
<< transform->c[1] << " "
<< transform->c[2] << " "
<< transform->c[3] << " "
<< transform->c[4] << " "
- << transform->c[5] << "] concat\n";
- os << width << " " << height << " 8 ["
- << width << " 0 0 -" << height << " 0 " << height << "]\n";
-
-
- /* Write read image procedure */
- os << "% Strings to hold RGB-samples per scanline\n";
- os << "/rstr " << width << " string def\n";
- os << "/gstr " << width << " string def\n";
- os << "/bstr " << width << " string def\n";
- os << "{currentfile /ASCII85Decode filter /RunLengthDecode filter rstr readstring pop}\n";
- os << "{currentfile /ASCII85Decode filter /RunLengthDecode filter gstr readstring pop}\n";
- os << "{currentfile /ASCII85Decode filter /RunLengthDecode filter bstr readstring pop}\n";
- os << "true 3\n";
-
- /* Allocate buffer for packbits data. Worst case: Less than 1% increase */
- guchar *const packb = (guchar *)g_malloc((width * 105)/100+2);
- guchar *const plane = (guchar *)g_malloc(width);
-
- /* ps_begin_data(ofp); */
- os << "colorimage\n";
-
-/*#define GET_RGB_TILE(begin) \
- * {int scan_lines; \
- * scan_lines = (i+tile_height-1 < height) ? tile_height : (height-i); \
- * gimp_pixel_rgn_get_rect(&pixel_rgn, begin, 0, i, width, scan_lines); \
- * src = begin; }
- */
+ << transform->c[5] << " cm\n";
+ os << pdf_image->get_name() << " Do\n";
+ os << "Q\n";
+ pdf_file->puts(os);
+
+
+ *pdf_image << "<< /Type /XObject\n";
+ *pdf_image << " /Subtype /Image\n";
+ *pdf_image << " /Width " << width << "\n";
+ *pdf_image << " /Height " << height << "\n";
+ *pdf_image << " /ColorSpace /DeviceRGB\n";
+ *pdf_image << " /BitsPerComponent 8\n";
+ *pdf_image << " /Length " << pdf_image_len->get_id() << " 0 R\n";
+ *pdf_image << " /Filter /ASCIIHexDecode\n";
+ *pdf_image << " /SMask " << pdf_smask->get_id() << " 0 R\n";
+ *pdf_image << ">>\n";
+
+ *pdf_image << "stream\n";
+
+
+ *pdf_smask << "<< /Type /XObject\n";
+ *pdf_smask << " /Subtype /Image\n";
+ *pdf_smask << " /Width " << width << "\n";
+ *pdf_smask << " /Height " << height << "\n";
+ *pdf_smask << " /ColorSpace /DeviceGray\n";
+ *pdf_smask << " /BitsPerComponent 8\n";
+ *pdf_smask << " /Length " << pdf_smask_len->get_id() << " 0 R\n";
+ *pdf_smask << " /Filter /ASCIIHexDecode\n";
+ *pdf_smask << ">>\n";
+
+ *pdf_smask << "stream\n";
+
+
+ unsigned long image_len = pdf_image->get_length();
+ unsigned long smask_len = pdf_smask->get_length();
+
+ int image_chars = 0;
+ int smask_chars = 0;
for (unsigned i = 0; i < height; i++) {
- /* if ((i % tile_height) == 0) GET_RGB_TILE(data); */ /* Get more data */
guchar const *const src = px + i * rs;
- /* Iterate over RGB */
- for (int rgb = 0; rgb < 3; rgb++) {
- guchar const *src_ptr = src + rgb;
- guchar *plane_ptr = plane;
- for (unsigned j = 0; j < width; j++) {
- *(plane_ptr++) = *src_ptr;
- src_ptr += 4;
+ for (unsigned j = 0; j < width; j++) {
+ char hex[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
+ guchar const *src_ptr = src + 4*j;
+
+ /* Iterate over RGB */
+ for (int rgb = 0; rgb < 3; rgb++) {
+ guchar val = *(src_ptr + rgb);
+
+ *pdf_image << hex[val / 16];
+ *pdf_image << hex[val % 16];
+
+ image_chars += 2;
+ if (image_chars >= 78) {
+ *pdf_image << "\n";
+ image_chars = 0;
+ }
}
- int nout;
- compress_packbits(width, plane, &nout, packb);
+ guchar alpha = *(src_ptr + 3);
- ascii85_init();
- ascii85_nout(nout, packb, os);
- ascii85_out(128, os); /* Write EOD of RunLengthDecode filter */
- ascii85_done(os);
+ *pdf_smask << hex[alpha / 16];
+ *pdf_smask << hex[alpha % 16];
+
+ smask_chars += 2;
+ if (smask_chars >= 78) {
+ *pdf_smask << "\n";
+ smask_chars = 0;
+ }
}
}
- /* ps_end_data(ofp); */
-#if 0
- fprintf(ofp, "showpage\n");
- g_free(data);
-#endif
- g_free(packb);
- g_free(plane);
+ *pdf_image << ">\n";
+ image_len = pdf_image->get_length() - image_len;
-#if 0
- if (ferror(ofp)) {
- g_message(_("write error occurred"));
- return (FALSE);
- }
-#endif
+ *pdf_image << "endstream\n";
+ pdf_file->end_resource(pdf_image);
- os << "grestore\n";
+ *pdf_image_len << image_len << "\n";
+ pdf_file->end_resource(pdf_image_len);
+
+
+ *pdf_smask << ">\n";
+ smask_len = pdf_smask->get_length() - smask_len;
+
+ *pdf_smask << "endstream\n";
+ pdf_file->end_resource(pdf_smask);
+
+ *pdf_smask_len << smask_len << "\n";
+ pdf_file->end_resource(pdf_smask_len);
- fprintf(ofp, "%s", os.str().c_str());
return 0;
-//#undef GET_RGB_TILE
}
bool
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-20 18:41:54 +0000