static const char * _spectre_render_page (const char *filename, const char *page_label, cairo_surface_t **surface_out) { static const cairo_user_data_key_t key; SpectreDocument *document; SpectreStatus status; int width, height, stride; unsigned char *pixels; cairo_surface_t *surface; document = spectre_document_new (); spectre_document_load (document, filename); status = spectre_document_status (document); if (status) { spectre_document_free (document); return spectre_status_to_string (status); } if (page_label) { SpectrePage *page; SpectreRenderContext *rc; page = spectre_document_get_page_by_label (document, page_label); spectre_document_free (document); if (page == NULL) return "page not found"; spectre_page_get_size (page, &width, &height); rc = spectre_render_context_new (); spectre_render_context_set_page_size (rc, width, height); spectre_page_render (page, rc, &pixels, &stride); spectre_render_context_free (rc); status = spectre_page_status (page); spectre_page_free (page); if (status) { free (pixels); return spectre_status_to_string (status); } } else { spectre_document_get_page_size (document, &width, &height); spectre_document_render (document, &pixels, &stride); spectre_document_free (document); } surface = cairo_image_surface_create_for_data (pixels, CAIRO_FORMAT_RGB24, width, height, stride); cairo_surface_set_user_data (surface, &key, pixels, (cairo_destroy_func_t) free); *surface_out = surface; return NULL; }
bool PostScriptDocument::close() { spectre_document_free(p_internal_document); clear(); return TRUE; }
static void go_spectre_finalize (GObject *obj) { GOSpectre *spectre = GO_SPECTRE (obj); if (spectre->surface) cairo_surface_destroy (spectre->surface); #ifdef GOFFICE_WITH_EPS if (spectre->doc) spectre_document_free (spectre->doc); #endif (parent_klass->finalize) (obj); }
int main(int argc, char *argv[]) { SpectreDocument *document; SpectreRenderContext *rc; (void)argc; (void)argv; document = spectre_document_new(); rc = spectre_render_context_new(); spectre_document_free(document); spectre_render_context_free(rc); return 0; }
QImage EpsRenderer::renderToImage(const QUrl& url, QSizeF* size) { #ifdef LIBSPECTRE_FOUND SpectreDocument* doc = spectre_document_new(); SpectreRenderContext* rc = spectre_render_context_new(); qDebug() << "rendering eps file: " << url; QByteArray local_file = url.toLocalFile().toUtf8(); spectre_document_load(doc, local_file.data()); int wdoc, hdoc; qreal w, h; double scale; spectre_document_get_page_size(doc, &wdoc, &hdoc); if(m_useHighRes) { scale=1.2*4.0; //1.2 scaling factor, to make it look nice, 4x for high resolution w = 1.2 * wdoc; h = 1.2 * hdoc; } else { scale=1.8*m_scale; w = 1.8 * wdoc; h = 1.8 * hdoc; } qDebug()<<"scale: "<<scale; qDebug()<<"dimension: "<<w<<"x"<<h; unsigned char* data; int rowLength; spectre_render_context_set_scale(rc, scale, scale); spectre_document_render_full( doc, rc, &data, &rowLength); QImage img(data, wdoc*scale, hdoc*scale, rowLength, QImage::Format_RGB32); spectre_document_free(doc); spectre_render_context_free(rc); img = img.convertToFormat(QImage::Format_ARGB32); if (size) *size = QSizeF(w,h); return img; #else Q_UNUSED(url); Q_UNUSED(size); return QImage(); #endif }
bool PostScriptDocument::load(const QString& fileName) { p_filename = fileName; p_internal_document = spectre_document_new(); spectre_document_load(p_internal_document, QFile::encodeName(p_filename)); const SpectreStatus loadStatus = spectre_document_status(p_internal_document); if (loadStatus != SPECTRE_STATUS_SUCCESS) { kDebug() << "ERR:" << spectre_status_to_string(loadStatus); spectre_document_free(p_internal_document); clear(); return FALSE; } int numPages = spectre_document_get_n_pages(p_internal_document); if (numPages > 0) { kDebug() << "Page Count: " << numPages; } else { kWarning() << "Unable to calculate number of pages."; numPages = 0; } int width, height; spectre_document_get_page_size(p_internal_document, &width, &height); if ((width > 0) && (height > 0)) { p_page_size = QSize(width, height); kDebug() << "Page Size: " << width << "x" << height << " (" << PaperSizeUtils::paperSizeToString(PaperSizeUtils::sizeToPaperSize(p_page_size)) << ")"; } else { kWarning() << "Unable to calculate page size."; } SpectreOrientation orientation = spectre_document_get_orientation(p_internal_document); bool reversePage; p_orientation = spectreOrientationToOrientation(orientation, &reversePage); kDebug() << "Page Orientation: " << PaperSizeUtils::orientationToString(p_orientation); kDebug() << "Note: The page orientation may differ from orientation for each page."; /* Load the pages now */ SpectrePage *page; SpectreOrientation pageOrientation; QPrinter::Orientation pageOrientation2; width = 0; height = 0; for (int i = 0; i < numPages; ++i) { pageOrientation = SPECTRE_ORIENTATION_PORTRAIT; page = spectre_document_get_page(p_internal_document, i); if (spectre_document_status(p_internal_document)) { kWarning() << "Error getting page " << i << spectre_status_to_string(spectre_document_status(p_internal_document)); } else { spectre_page_get_size(page, &width, &height); pageOrientation = spectre_page_get_orientation(page); } spectre_page_free(page); pageOrientation2 = spectreOrientationToOrientation(pageOrientation, &reversePage); p_pages.append(PostScriptDocumentPage(QSize(width, height), pageOrientation2, reversePage)); kDebug() << "Append page" << i+1 << "with Size (" << width << "," << height << ")," << PaperSizeUtils::orientationToString(pageOrientation2); } kDebug() << "Loaded" << p_pages.count() << "pages"; p_is_valid = TRUE; return TRUE; }
Document::~Document () { spectre_document_free (SD_); }