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;
}
Eps_Page *
eps_page_new (const Eps_Document *document)
{
Eps_Page *page;
SpectreStatus status;
if (!document)
return NULL;
page = (Eps_Page *)malloc (sizeof (Eps_Page));
if (!page)
return NULL;
page->document = document->ps_doc;
page->page = spectre_document_get_page(document->ps_doc, 0);
status = spectre_page_status (page->page);
if (status != SPECTRE_STATUS_SUCCESS) {
printf ("[eps] %s\n", spectre_status_to_string (status));
free (page);
return 0;
}
page->rc = spectre_render_context_new ();
if (!page->rc) {
free (page);
return NULL;
}
spectre_render_context_set_rotation (page->rc, 0);
spectre_render_context_set_scale (page->rc, 1.0, 1.0);
return page;
}
void
eps_page_render (const Eps_Page *page,
Evas_Object *o)
{
unsigned char *data;
unsigned char *d;
unsigned int *m = NULL;
double hscale;
double vscale;
SpectreStatus status;
int width;
int height;
int stride;
int yy;
if (!page || !o)
return;
spectre_page_render (page->page, page->rc,
&data, &stride);
status = spectre_page_status (page->page);
if (status != SPECTRE_STATUS_SUCCESS) {
printf ("[eps] %s\n", spectre_status_to_string (status));
return;
}
eps_page_scale_get (page, &hscale, &vscale);
eps_page_size_get (page, &width, &height);
width *= hscale;
height *= vscale;
evas_object_image_size_set (o, width, height);
evas_object_image_fill_set (o, 0, 0, width, height);
m = (unsigned int *)evas_object_image_data_get (o, 1);
if (!m) {
free (data);
return;
}
if (stride == 4 * width)
memcpy(m, data, height * stride);
else {
d = data;
for (yy = 0; yy < height; d += stride, m += width, ++yy) {
memcpy (m, d, width * 4);
}
}
evas_object_image_data_update_add (o, 0, 0, width, height);
evas_object_resize (o, width, height);
free (data);
}
void
eps_page_render_slice (const Eps_Page *page,
Evas_Object *o,
int x,
int y,
int width,
int height)
{
unsigned char *data;
unsigned char *d;
unsigned int *m = NULL;
double hscale;
double vscale;
SpectreStatus status;
int stride;
int yy;
if (!page || !o || (width <= 0) || (height <= 0))
return;
spectre_page_render_slice (page->page, page->rc,
x, y, width, height,
&data, &stride);
status = spectre_page_status (page->page);
if (status != SPECTRE_STATUS_SUCCESS) {
printf ("aie !!%d %d %d %d %d\n", status, x, y, width, height);
printf ("[eps] %s\n", spectre_status_to_string (status));
return;
}
eps_page_scale_get (page, &hscale, &vscale);
width *= hscale;
height *= vscale;
evas_object_image_size_set (o, width, height);
evas_object_image_fill_set (o, 0, 0, width, height);
m = (unsigned int *)evas_object_image_data_get (o, 1);
if (!m) {
free (data);
return;
}
d = data + y * stride + x;
for (yy = 0; yy < height; d += stride, m += width, ++yy) {
memcpy (m, d, width * 4);
}
evas_object_image_data_update_add (o, 0, 0, width, height);
evas_object_resize (o, width, height);
free (data);
}
void
eps_page_page_set (Eps_Page *page, int p)
{
SpectrePage *new_page;
SpectreStatus status;
if (!page)
return;
new_page = spectre_document_get_page(page->document, p);
status = spectre_page_status (new_page);
if (status != SPECTRE_STATUS_SUCCESS) {
printf ("[eps] %s\n", spectre_status_to_string (status));
return;
}
spectre_page_free (page->page);
page->page = new_page;
}
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;
}
