static mume_matrix_t _pdf_doc_get_matrix(
struct _pdf_doc *self, int pageno, float zoom, int rotate)
{
mume_matrix_t m;
fz_matrix ctm = fz_identity;
fz_rect mbox = self->media_boxes[pageno];
int rotation = (self->page_rotates[pageno] + rotate) % 360;
if (rotation < 0)
rotation = rotation + 360;
if (90 == rotation) {
ctm = fz_concat(ctm, fz_translate(-mbox.x0, -mbox.y0));
}
else if (180 == rotation) {
ctm = fz_concat(ctm, fz_translate(-mbox.x1, -mbox.y0));
}
else if (270 == rotation) {
ctm = fz_concat(ctm, fz_translate(-mbox.x1, -mbox.y1));
}
else {
ctm = fz_concat(ctm, fz_translate(-mbox.x0, -mbox.y1));
}
ctm = fz_concat(ctm, fz_scale(zoom, -zoom));
ctm = fz_concat(ctm, fz_rotate(rotation));
m.a = ctm.a;
m.b = ctm.b;
m.c = ctm.c;
m.d = ctm.d;
m.e = ctm.e;
m.f = ctm.f;
return m;
}
static void
xps_paint_tiling_brush(xps_context *ctx, fz_matrix ctm, fz_rect viewbox, int tile_mode, struct closure *c)
{
fz_matrix ttm;
xps_paint_tiling_brush_clipped(ctx, ctm, viewbox, c);
if (tile_mode == TILE_FLIP_X || tile_mode == TILE_FLIP_X_Y)
{
ttm = fz_concat(fz_translate(viewbox.x1 * 2, 0), ctm);
ttm = fz_concat(fz_scale(-1, 1), ttm);
xps_paint_tiling_brush_clipped(ctx, ttm, viewbox, c);
}
if (tile_mode == TILE_FLIP_Y || tile_mode == TILE_FLIP_X_Y)
{
ttm = fz_concat(fz_translate(0, viewbox.y1 * 2), ctm);
ttm = fz_concat(fz_scale(1, -1), ttm);
xps_paint_tiling_brush_clipped(ctx, ttm, viewbox, c);
}
if (tile_mode == TILE_FLIP_X_Y)
{
ttm = fz_concat(fz_translate(viewbox.x1 * 2, viewbox.y1 * 2), ctm);
ttm = fz_concat(fz_scale(-1, -1), ttm);
xps_paint_tiling_brush_clipped(ctx, ttm, viewbox, c);
}
}
static void
pdf_showspace(pdf_csi *csi, float tadj)
{
pdf_gstate *gstate = csi->gstate + csi->gtop;
pdf_fontdesc *fontdesc = gstate->font;
if (fontdesc->wmode == 0)
csi->tm = fz_concat(fz_translate(tadj * gstate->scale, 0), csi->tm);
else
csi->tm = fz_concat(fz_translate(0, tadj), csi->tm);
}
void
showspace(pdf_csi *csi, float tadj)
{
pdf_gstate *gstate = csi->gstate + csi->gtop;
pdf_font *font = gstate->font;
if (font->super.wmode == 0)
csi->tm = fz_concat(fz_translate(tadj * gstate->scale, 0), csi->tm);
else
csi->tm = fz_concat(fz_translate(0, tadj), csi->tm);
}
/* Create transform to fit appearance stream to annotation Rect */
void
pdf_annot_transform(fz_context *ctx, pdf_annot *annot, fz_matrix *annot_ctm)
{
fz_rect bbox, rect;
fz_matrix matrix;
float w, h, x, y;
pdf_to_rect(ctx, pdf_dict_get(ctx, annot->obj, PDF_NAME_Rect), &rect);
pdf_xobject_bbox(ctx, annot->ap, &bbox);
pdf_xobject_matrix(ctx, annot->ap, &matrix);
fz_transform_rect(&bbox, &matrix);
if (bbox.x1 == bbox.x0)
w = 0;
else
w = (rect.x1 - rect.x0) / (bbox.x1 - bbox.x0);
if (bbox.y1 == bbox.y0)
h = 0;
else
h = (rect.y1 - rect.y0) / (bbox.y1 - bbox.y0);
x = rect.x0 - bbox.x0;
y = rect.y0 - bbox.y0;
fz_pre_scale(fz_translate(annot_ctm, x, y), w, h);
}
static fz_matrix pdfViewctm(PDFContext* ctx) {
fz_matrix ctm;
ctm = fz_identity();
ctm = fz_concat(ctm, fz_translate(0, -ctx->page->mediabox.y1));
ctm = fz_concat(ctm, fz_scale(ctx->zoom, -ctx->zoom));
ctm = fz_concat(ctm, fz_rotate(ctx->rotate + ctx->page->rotate));
return ctm;
}
void
pdf_showspace(pdf_csi *csi, float tadj)
{
pdf_gstate *gstate = csi->gstate + csi->gtop;
pdf_fontdesc *fontdesc = gstate->font;
if (!fontdesc)
{
fz_warn("cannot draw text since font and size not set");
return;
}
if (fontdesc->wmode == 0)
csi->tm = fz_concat(fz_translate(tadj * gstate->scale, 0), csi->tm);
else
csi->tm = fz_concat(fz_translate(0, tadj), csi->tm);
}
fz_matrix pdfapp_viewctm(pdfapp_t *app)
{
fz_matrix ctm;
ctm = fz_identity();
ctm = fz_concat(ctm, fz_translate(0, -app->page->mediabox.y1));
ctm = fz_concat(ctm, fz_scale(app->zoom, -app->zoom));
ctm = fz_concat(ctm, fz_rotate(app->rotate + app->page->rotate));
return ctm;
}
pdf_page *
pdf_create_page(pdf_document *doc, fz_rect mediabox, int res, int rotate)
{
pdf_page *page = NULL;
pdf_obj *pageobj;
float userunit = 1;
fz_context *ctx = doc->ctx;
fz_matrix ctm, tmp;
fz_rect realbox;
page = fz_malloc_struct(ctx, pdf_page);
fz_try(ctx)
{
page->resources = NULL;
page->contents = NULL;
page->transparency = 0;
page->links = NULL;
page->annots = NULL;
page->me = pageobj = pdf_new_dict(doc, 4);
pdf_dict_puts_drop(pageobj, "Type", pdf_new_name(doc, "Page"));
page->mediabox.x0 = fz_min(mediabox.x0, mediabox.x1) * userunit;
page->mediabox.y0 = fz_min(mediabox.y0, mediabox.y1) * userunit;
page->mediabox.x1 = fz_max(mediabox.x0, mediabox.x1) * userunit;
page->mediabox.y1 = fz_max(mediabox.y0, mediabox.y1) * userunit;
pdf_dict_puts_drop(pageobj, "MediaBox", pdf_new_rect(doc, &page->mediabox));
/* Snap page->rotate to 0, 90, 180 or 270 */
if (page->rotate < 0)
page->rotate = 360 - ((-page->rotate) % 360);
if (page->rotate >= 360)
page->rotate = page->rotate % 360;
page->rotate = 90*((page->rotate + 45)/90);
if (page->rotate > 360)
page->rotate = 0;
pdf_dict_puts_drop(pageobj, "Rotate", pdf_new_int(doc, page->rotate));
fz_pre_rotate(fz_scale(&ctm, 1, -1), -page->rotate);
realbox = page->mediabox;
fz_transform_rect(&realbox, &ctm);
fz_pre_scale(fz_translate(&tmp, -realbox.x0, -realbox.y0), userunit, userunit);
fz_concat(&ctm, &ctm, &tmp);
page->ctm = ctm;
/* Do not create a Contents, as an empty Contents dict is not
* valid. See Bug 694712 */
}
fz_catch(ctx)
{
pdf_drop_obj(page->me);
fz_free(ctx, page);
fz_rethrow_message(ctx, "Failed to create page");
}
return page;
}
static fz_matrix pdfapp_viewctm(pdfapp_t *app)
{
fz_matrix ctm;
ctm = fz_identity;
ctm = fz_concat(ctm, fz_translate(0, -app->page_bbox.y1));
if (app->xref)
ctm = fz_concat(ctm, fz_scale(app->resolution/72.0f, -app->resolution/72.0f));
else
ctm = fz_concat(ctm, fz_scale(app->resolution/96.0f, app->resolution/96.0f));
ctm = fz_concat(ctm, fz_rotate(app->rotate + app->page_rotate));
return ctm;
}
QImage Pdf::page(int i)
{
pdf_page* page = pdf_load_page(xref, i);
if (page == 0) {
printf("cannot load page %d\n", i);
return QImage();
}
static const float resolution = 300.0;
const float zoom = resolution / 72.0;
fz_matrix ctm = fz_translate(0, -page->mediabox.y1);
ctm = fz_concat(ctm, fz_scale(zoom, -zoom));
ctm = fz_concat(ctm, fz_rotate(page->rotate));
fz_bbox bbox = fz_round_rect(fz_transform_rect(ctm, page->mediabox));
fz_pixmap* pix = fz_new_pixmap_with_rect(ctx, fz_device_gray, bbox);
fz_clear_pixmap_with_color(pix, 255);
fz_device* dev = fz_new_draw_device(ctx, cache, pix);
pdf_run_page(xref, page, dev, ctm);
fz_free_device(dev);
int w = pix->w;
int h = pix->h;
QImage image(w, h, QImage::Format_MonoLSB);
QVector<QRgb> ct(2);
ct[0] = qRgb(255, 255, 255);
ct[1] = qRgb(0, 0, 0);
image.setColorTable(ct);
uchar* s = pix->samples;
int stride = image.bytesPerLine();
int bytes = w >> 3;
for (int line = 0; line < h; ++line) {
uchar* d = image.bits() + stride * line;
for (int col = 0; col < bytes; ++col) {
uchar data = 0;
for (int i = 0; i < 8; ++i) {
uchar v = *s++;
s++;
data >>= 1;
if (v < 128)
data |= 0x80;
}
*d++ = data;
}
}
fz_drop_pixmap(ctx, pix);
pdf_free_page(ctx, page);
return image;
}
static void
fz_draw_end_tile(fz_context *ctx, void *user)
{
fz_draw_device *dev = user;
fz_pixmap *tile = dev->dest;
float xstep, ystep;
fz_matrix ctm, ttm;
fz_rect area;
int x0, y0, x1, y1, x, y;
if (dev->top > 0)
{
dev->top--;
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top, "Tile end\n");
#endif
xstep = dev->stack[dev->top].xstep;
ystep = dev->stack[dev->top].ystep;
area = dev->stack[dev->top].area;
ctm = dev->stack[dev->top].ctm;
dev->scissor = dev->stack[dev->top].scissor;
dev->dest = dev->stack[dev->top].dest;
dev->blendmode = dev->stack[dev->top].blendmode;
x0 = floorf(area.x0 / xstep);
y0 = floorf(area.y0 / ystep);
x1 = ceilf(area.x1 / xstep);
y1 = ceilf(area.y1 / ystep);
ctm.e = tile->x;
ctm.f = tile->y;
for (y = y0; y < y1; y++)
{
for (x = x0; x < x1; x++)
{
ttm = fz_concat(fz_translate(x * xstep, y * ystep), ctm);
tile->x = ttm.e;
tile->y = ttm.f;
fz_paint_pixmap_with_rect(dev->dest, tile, 255, dev->scissor);
}
}
fz_drop_pixmap(ctx, tile);
}
if (dev->blendmode & FZ_BLEND_KNOCKOUT)
fz_knockout_begin(ctx, dev);
}
JNIEXPORT void JNICALL Java_com_artifex_mupdf_MuPDFCore_gotoPageInternal(
JNIEnv *env,
jobject thiz,
int page)
{
float zoom;
fz_matrix ctm;
fz_obj *pageobj;
fz_bbox bbox;
fz_error error;
fz_device *dev;
pdf_page *currentPage;
/* In the event of an error, ensure we give a non-empty page */
pageWidth = 100;
pageHeight = 100;
LOGE("Goto page %d...", page);
if (currentPageList != NULL)
{
fz_freedisplaylist(currentPageList);
currentPageList = NULL;
}
pagenum = page;
pageobj = pdf_getpageobject(xref, pagenum);
if (pageobj == NULL)
return;
error = pdf_loadpage(¤tPage, xref, pageobj);
if (error)
return;
zoom = resolution / 72;
currentMediabox = currentPage->mediabox;
currentRotate = currentPage->rotate;
ctm = fz_translate(0, -currentMediabox.y1);
ctm = fz_concat(ctm, fz_scale(zoom, -zoom));
ctm = fz_concat(ctm, fz_rotate(currentRotate));
bbox = fz_roundrect(fz_transformrect(ctm, currentMediabox));
pageWidth = bbox.x1-bbox.x0;
pageHeight = bbox.y1-bbox.y0;
/* Render to list */
currentPageList = fz_newdisplaylist();
dev = fz_newlistdevice(currentPageList);
error = pdf_runpage(xref, currentPage, dev, fz_identity);
pdf_freepage(currentPage);
if (error)
LOGE("cannot make displaylist from page %d", pagenum);
fz_freedevice(dev);
}
static void
pdf_transform_annot(pdf_annot *annot)
{
fz_matrix matrix = annot->ap->matrix;
fz_rect bbox = annot->ap->bbox;
fz_rect rect = annot->rect;
float w, h, x, y;
bbox = fz_transform_rect(matrix, bbox);
w = (rect.x1 - rect.x0) / (bbox.x1 - bbox.x0);
h = (rect.y1 - rect.y0) / (bbox.y1 - bbox.y0);
x = rect.x0 - bbox.x0;
y = rect.y0 - bbox.y0;
annot->matrix = fz_concat(fz_scale(w, h), fz_translate(x, y));
}
fz_matrix pdfmoz_pagectm(pdfmoz_t *moz, int pagenum)
{
page_t *page = moz->pages + pagenum;
fz_matrix ctm;
float zoom;
RECT rc;
GetClientRect(moz->hwnd, &rc);
zoom = (rc.right - rc.left) / (float) page->w;
ctm = fz_identity();
ctm = fz_concat(ctm, fz_translate(0, -page->page->mediabox.y1));
ctm = fz_concat(ctm, fz_scale(zoom, -zoom));
ctm = fz_concat(ctm, fz_rotate(page->page->rotate));
return ctm;
}
QImage render(qreal dpiX, qreal dpiY, const QRectF& rect) {
if (m_init) {
fz_scale(&m_matrix, dpiX / 72.0f, dpiY / 72.0f);
fz_bound_page(m_ctx, m_page, &m_bound);
fz_transform_rect(&m_bound, &m_matrix);
m_init = false;
}
if (!m_list) {
m_list = fz_new_display_list(m_ctx);
}
if (!m_dev) {
m_dev = fz_new_list_device(m_ctx, m_list);
fz_run_page(m_ctx, m_page, m_dev, &m_matrix, 0);
}
fz_matrix tile;
fz_translate(&tile, -m_bound.x0, -m_bound.y0);
fz_pre_translate(&tile, -rect.x(), -rect.y());
fz_rect tr;
tr.x0 = tr.y0 = 0.0;
int width = tr.x1 = rect.width();
int height = tr.y1 = rect.height();
QImage image(width, height, QImage::Format_RGB32);
image.fill(Qt::white); // TODO: configurable
fz_pixmap* pixmap =
fz_new_pixmap_with_data(m_ctx,
fz_device_bgr(m_ctx),
image.width(),
image.height(),
image.bits());
fz_device *device = fz_new_draw_device(m_ctx, pixmap);
fz_run_display_list(m_ctx, m_list, device, &tile, &tr, 0);
fz_drop_device(m_ctx, device);
fz_drop_pixmap(m_ctx, pixmap);
return image;
}
static void
fz_draw_end_tile(void *user)
{
fz_draw_device *dev = user;
fz_pixmap *tile = dev->dest;
float xstep, ystep;
fz_matrix ctm, ttm;
fz_rect area;
int x0, y0, x1, y1, x, y;
if (dev->top > 0)
{
dev->top--;
xstep = dev->stack[dev->top].xstep;
ystep = dev->stack[dev->top].ystep;
area = dev->stack[dev->top].area;
ctm = dev->stack[dev->top].ctm;
dev->scissor = dev->stack[dev->top].scissor;
dev->dest = dev->stack[dev->top].dest;
x0 = floorf(area.x0 / xstep);
y0 = floorf(area.y0 / ystep);
x1 = ceilf(area.x1 / xstep);
y1 = ceilf(area.y1 / ystep);
ctm.e = tile->x;
ctm.f = tile->y;
for (y = y0; y < y1; y++)
{
for (x = x0; x < x1; x++)
{
ttm = fz_concat(fz_translate(x * xstep, y * ystep), ctm);
tile->x = ttm.e;
tile->y = ttm.f;
fz_paint_pixmap_with_rect(dev->dest, tile, 255, dev->scissor);
}
}
fz_drop_pixmap(tile);
}
}
static void drawtxt(int pagenum)
{
fz_error error;
pdf_textline *line;
fz_matrix ctm;
drawloadpage(pagenum, NULL);
ctm = fz_concat(
fz_translate(0, -drawpage->mediabox.y1),
fz_scale(drawzoom, -drawzoom));
error = pdf_loadtextfromtree(&line, drawpage->tree, ctm);
if (error)
die(error);
pdf_debugtextline(line);
pdf_droptextline(line);
drawfreepage();
}
static fz_error *
addpatternshape(pdf_gstate *gs, fz_node *shape,
pdf_pattern *pat, fz_colorspace *cs, float *v)
{
fz_error *error;
fz_node *xform;
fz_node *over;
fz_node *mask;
fz_node *link;
fz_matrix ctm;
fz_matrix inv;
fz_matrix ptm;
fz_rect bbox;
int x, y, x0, y0, x1, y1;
/* patterns are painted in user space */
ctm = getmatrix(gs->head);
inv = fz_invertmatrix(ctm);
error = fz_newmasknode(&mask);
if (error)
return fz_rethrow(error, "cannot create mask node");
ptm = fz_concat(pat->matrix, fz_invertmatrix(ctm));
error = fz_newtransformnode(&xform, ptm);
if (error)
{
fz_dropnode(mask);
return fz_rethrow(error, "cannot create transform node");
}
error = pdf_newovernode(&over, gs);
if (error)
{
fz_dropnode(xform);
fz_dropnode(mask);
return fz_rethrow(error, "cannot create over node");
}
fz_insertnodelast(mask, shape);
fz_insertnodelast(mask, xform);
fz_insertnodelast(xform, over);
xform = nil;
/* over, xform, mask are now owned by the tree */
/* get bbox of shape in pattern space for stamping */
ptm = fz_concat(ctm, fz_invertmatrix(pat->matrix));
bbox = fz_boundnode(shape, ptm);
/* expand bbox by pattern bbox */
bbox.x0 += pat->bbox.x0;
bbox.y0 += pat->bbox.y0;
bbox.x1 += pat->bbox.x1;
bbox.y1 += pat->bbox.y1;
x0 = fz_floor(bbox.x0 / pat->xstep);
y0 = fz_floor(bbox.y0 / pat->ystep);
x1 = fz_ceil(bbox.x1 / pat->xstep);
y1 = fz_ceil(bbox.y1 / pat->ystep);
for (y = y0; y <= y1; y++)
{
for (x = x0; x <= x1; x++)
{
ptm = fz_translate(x * pat->xstep, y * pat->ystep);
error = fz_newtransformnode(&xform, ptm);
if (error)
return fz_rethrow(error, "cannot create transform node for stamp");
error = fz_newlinknode(&link, pat->tree);
if (error)
{
fz_dropnode(xform);
return fz_rethrow(error, "cannot create link node for stamp");
}
fz_insertnodelast(xform, link);
fz_insertnodelast(over, xform);
}
}
if (pat->ismask)
{
error = addcolorshape(gs, mask, 1.0, cs, v);
if (error)
return fz_rethrow(error, "cannot add colored shape");
return fz_okay;
}
fz_insertnodelast(gs->head, mask);
return fz_okay;
}
/*
Some explaination of the parameters here is warranted. See:
http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
Add an arc segment to path, that describes a section of an elliptical
arc from the current point of path to (point_x,point_y), such that:
The arc segment is taken from an elliptical arc of semi major radius
size_x, semi minor radius size_y, where the semi major axis of the
ellipse is rotated by rotation_angle.
If is_large_arc, then the arc segment is selected to be > 180 degrees.
If is_clockwise, then the arc sweeps clockwise.
*/
static void
xps_draw_arc(fz_context *doc, fz_path *path,
float size_x, float size_y, float rotation_angle,
int is_large_arc, int is_clockwise,
float point_x, float point_y)
{
fz_matrix rotmat, revmat;
fz_matrix mtx;
fz_point pt;
float rx, ry;
float x1, y1, x2, y2;
float x1t, y1t;
float cxt, cyt, cx, cy;
float t1, t2, t3;
float sign;
float th1, dth;
pt = fz_currentpoint(doc, path);
x1 = pt.x;
y1 = pt.y;
x2 = point_x;
y2 = point_y;
rx = size_x;
ry = size_y;
if (is_clockwise != is_large_arc)
sign = 1;
else
sign = -1;
fz_rotate(&rotmat, rotation_angle);
fz_rotate(&revmat, -rotation_angle);
/* http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes */
/* Conversion from endpoint to center parameterization */
/* F.6.6.1 -- ensure radii are positive and non-zero */
rx = fabsf(rx);
ry = fabsf(ry);
if (rx < 0.001f || ry < 0.001f || (x1 == x2 && y1 == y2))
{
fz_lineto(doc, path, x2, y2);
return;
}
/* F.6.5.1 */
pt.x = (x1 - x2) / 2;
pt.y = (y1 - y2) / 2;
fz_transform_vector(&pt, &revmat);
x1t = pt.x;
y1t = pt.y;
/* F.6.6.2 -- ensure radii are large enough */
t1 = (x1t * x1t) / (rx * rx) + (y1t * y1t) / (ry * ry);
if (t1 > 1)
{
rx = rx * sqrtf(t1);
ry = ry * sqrtf(t1);
}
/* F.6.5.2 */
t1 = (rx * rx * ry * ry) - (rx * rx * y1t * y1t) - (ry * ry * x1t * x1t);
t2 = (rx * rx * y1t * y1t) + (ry * ry * x1t * x1t);
t3 = t1 / t2;
/* guard against rounding errors; sqrt of negative numbers is bad for your health */
if (t3 < 0) t3 = 0;
t3 = sqrtf(t3);
cxt = sign * t3 * (rx * y1t) / ry;
cyt = sign * t3 * -(ry * x1t) / rx;
/* F.6.5.3 */
pt.x = cxt;
pt.y = cyt;
fz_transform_vector(&pt, &rotmat);
cx = pt.x + (x1 + x2) / 2;
cy = pt.y + (y1 + y2) / 2;
/* F.6.5.4 */
{
fz_point coord1, coord2, coord3, coord4;
coord1.x = 1;
coord1.y = 0;
coord2.x = (x1t - cxt) / rx;
coord2.y = (y1t - cyt) / ry;
coord3.x = (x1t - cxt) / rx;
coord3.y = (y1t - cyt) / ry;
coord4.x = (-x1t - cxt) / rx;
coord4.y = (-y1t - cyt) / ry;
th1 = angle_between(coord1, coord2);
dth = angle_between(coord3, coord4);
if (dth < 0 && !is_clockwise)
dth += (((float)M_PI / 180) * 360);
if (dth > 0 && is_clockwise)
dth -= (((float)M_PI / 180) * 360);
}
fz_pre_scale(fz_pre_rotate(fz_translate(&mtx, cx, cy), rotation_angle), rx, ry);
xps_draw_arc_segment(doc, path, &mtx, th1, th1 + dth, is_clockwise);
fz_lineto(doc, path, point_x, point_y);
}
fz_error *
showglyph(pdf_csi *csi, int cid)
{
pdf_gstate *gstate = csi->gstate + csi->gtop;
pdf_font *font = gstate->font;
fz_error *error;
fz_matrix tsm, trm;
float w0, w1, tx, ty;
fz_hmtx h;
fz_vmtx v;
tsm.a = gstate->size * gstate->scale;
tsm.b = 0;
tsm.c = 0;
tsm.d = gstate->size;
tsm.e = 0;
tsm.f = gstate->rise;
if (font->super.wmode == 1)
{
v = fz_getvmtx((fz_font*)font, cid);
tsm.e -= v.x * gstate->size / 1000.0;
tsm.f -= v.y * gstate->size / 1000.0;
}
trm = fz_concat(tsm, csi->tm);
/* flush buffered text if face or matrix or rendermode has changed */
if (!csi->text ||
((fz_font*)font) != csi->text->font ||
fabs(trm.a - csi->text->trm.a) > FLT_EPSILON ||
fabs(trm.b - csi->text->trm.b) > FLT_EPSILON ||
fabs(trm.c - csi->text->trm.c) > FLT_EPSILON ||
fabs(trm.d - csi->text->trm.d) > FLT_EPSILON ||
gstate->render != csi->textmode)
{
error = pdf_flushtext(csi);
if (error)
return fz_rethrow(error, "cannot finish text node (face/matrix change)");
error = fz_newtextnode(&csi->text, (fz_font*)font);
if (error)
return fz_rethrow(error, "cannot create text node");
csi->text->trm = trm;
csi->text->trm.e = 0;
csi->text->trm.f = 0;
csi->textmode = gstate->render;
}
/* add glyph to textobject */
error = fz_addtext(csi->text, cid, trm.e, trm.f);
if (error)
return fz_rethrow(error, "cannot add glyph to text node");
if (font->super.wmode == 0)
{
h = fz_gethmtx((fz_font*)font, cid);
w0 = h.w / 1000.0;
tx = (w0 * gstate->size + gstate->charspace) * gstate->scale;
csi->tm = fz_concat(fz_translate(tx, 0), csi->tm);
}
else
{
w1 = v.w / 1000.0;
ty = w1 * gstate->size + gstate->charspace;
csi->tm = fz_concat(fz_translate(0, ty), csi->tm);
}
return fz_okay;
}
pdf_page *
pdf_load_page_by_obj(pdf_document *doc, int number, pdf_obj *pageref)
{
fz_context *ctx = doc->ctx;
pdf_page *page;
pdf_annot *annot;
pdf_obj *pageobj, *obj;
fz_rect mediabox, cropbox, realbox;
float userunit;
fz_matrix mat;
/* SumatraPDF: allow replacing potentially slow pdf_lookup_page_obj */
pageobj = pdf_resolve_indirect(pageref);
page = fz_malloc_struct(ctx, pdf_page);
page->resources = NULL;
page->contents = NULL;
page->transparency = 0;
page->links = NULL;
page->annots = NULL;
page->annot_tailp = &page->annots;
page->deleted_annots = NULL;
page->tmp_annots = NULL;
page->me = pdf_keep_obj(pageobj);
page->incomplete = 0;
obj = pdf_dict_gets(pageobj, "UserUnit");
if (pdf_is_real(obj))
userunit = pdf_to_real(obj);
else
userunit = 1;
pdf_to_rect(ctx, pdf_lookup_inherited_page_item(doc, pageobj, "MediaBox"), &mediabox);
if (fz_is_empty_rect(&mediabox))
{
fz_warn(ctx, "cannot find page size for page %d", number + 1);
mediabox.x0 = 0;
mediabox.y0 = 0;
mediabox.x1 = 612;
mediabox.y1 = 792;
}
pdf_to_rect(ctx, pdf_lookup_inherited_page_item(doc, pageobj, "CropBox"), &cropbox);
if (!fz_is_empty_rect(&cropbox))
fz_intersect_rect(&mediabox, &cropbox);
page->mediabox.x0 = fz_min(mediabox.x0, mediabox.x1) * userunit;
page->mediabox.y0 = fz_min(mediabox.y0, mediabox.y1) * userunit;
page->mediabox.x1 = fz_max(mediabox.x0, mediabox.x1) * userunit;
page->mediabox.y1 = fz_max(mediabox.y0, mediabox.y1) * userunit;
if (page->mediabox.x1 - page->mediabox.x0 < 1 || page->mediabox.y1 - page->mediabox.y0 < 1)
{
fz_warn(ctx, "invalid page size in page %d", number + 1);
page->mediabox = fz_unit_rect;
}
page->rotate = pdf_to_int(pdf_lookup_inherited_page_item(doc, pageobj, "Rotate"));
/* Snap page->rotate to 0, 90, 180 or 270 */
if (page->rotate < 0)
page->rotate = 360 - ((-page->rotate) % 360);
if (page->rotate >= 360)
page->rotate = page->rotate % 360;
page->rotate = 90*((page->rotate + 45)/90);
if (page->rotate > 360)
page->rotate = 0;
fz_pre_rotate(fz_scale(&page->ctm, 1, -1), -page->rotate);
realbox = page->mediabox;
fz_transform_rect(&realbox, &page->ctm);
fz_pre_scale(fz_translate(&mat, -realbox.x0, -realbox.y0), userunit, userunit);
fz_concat(&page->ctm, &page->ctm, &mat);
fz_try(ctx)
{
obj = pdf_dict_gets(pageobj, "Annots");
if (obj)
{
page->links = pdf_load_link_annots(doc, obj, &page->ctm);
pdf_load_annots(doc, page, obj);
}
}
fz_catch(ctx)
{
if (fz_caught(ctx) != FZ_ERROR_TRYLATER)
/* SumatraPDF: ignore annotations in case of unexpected errors */
fz_warn(ctx, "unexpectedly failed to load page annotations");
page->incomplete |= PDF_PAGE_INCOMPLETE_ANNOTS;
}
page->duration = pdf_to_real(pdf_dict_gets(pageobj, "Dur"));
obj = pdf_dict_gets(pageobj, "Trans");
page->transition_present = (obj != NULL);
if (obj)
{
pdf_load_transition(doc, page, obj);
}
// TODO: inherit
page->resources = pdf_lookup_inherited_page_item(doc, pageobj, "Resources");
if (page->resources)
pdf_keep_obj(page->resources);
obj = pdf_dict_gets(pageobj, "Contents");
fz_try(ctx)
{
page->contents = pdf_keep_obj(obj);
if (pdf_resources_use_blending(doc, page->resources))
page->transparency = 1;
/* cf. http://code.google.com/p/sumatrapdf/issues/detail?id=2107 */
else if (!strcmp(pdf_to_name(pdf_dict_getp(pageobj, "Group/S")), "Transparency"))
page->transparency = 1;
for (annot = page->annots; annot && !page->transparency; annot = annot->next)
if (annot->ap && pdf_resources_use_blending(doc, annot->ap->resources))
page->transparency = 1;
}
fz_catch(ctx)
{
if (fz_caught(ctx) != FZ_ERROR_TRYLATER)
{
pdf_free_page(doc, page);
fz_rethrow_message(ctx, "cannot load page %d contents (%d 0 R)", number + 1, pdf_to_num(pageref));
}
page->incomplete |= PDF_PAGE_INCOMPLETE_CONTENTS;
}
return page;
}
static void
fz_draw_end_tile(fz_device *devp)
{
fz_draw_device *dev = devp->user;
float xstep, ystep;
fz_matrix ctm, ttm, shapectm;
fz_rect area;
int x0, y0, x1, y1, x, y;
fz_context *ctx = dev->ctx;
fz_draw_state *state;
if (dev->top == 0)
{
fz_warn(ctx, "Unexpected end_tile");
return;
}
state = &dev->stack[--dev->top];
xstep = state[1].xstep;
ystep = state[1].ystep;
area = state[1].area;
ctm = state[1].ctm;
x0 = floorf(area.x0 / xstep);
y0 = floorf(area.y0 / ystep);
x1 = ceilf(area.x1 / xstep);
y1 = ceilf(area.y1 / ystep);
ctm.e = state[1].dest->x;
ctm.f = state[1].dest->y;
if (state[1].shape)
{
shapectm = ctm;
shapectm.e = state[1].shape->x;
shapectm.f = state[1].shape->y;
}
#ifdef DUMP_GROUP_BLENDS
dump_spaces(dev->top, "");
fz_dump_blend(dev->ctx, state[1].dest, "Tiling ");
if (state[1].shape)
fz_dump_blend(dev->ctx, state[1].shape, "/");
fz_dump_blend(dev->ctx, state[0].dest, " onto ");
if (state[0].shape)
fz_dump_blend(dev->ctx, state[0].shape, "/");
#endif
for (y = y0; y < y1; y++)
{
for (x = x0; x < x1; x++)
{
ttm = fz_concat(fz_translate(x * xstep, y * ystep), ctm);
state[1].dest->x = ttm.e;
state[1].dest->y = ttm.f;
fz_paint_pixmap_with_rect(state[0].dest, state[1].dest, 255, state[0].scissor);
if (state[1].shape)
{
ttm = fz_concat(fz_translate(x * xstep, y * ystep), shapectm);
state[1].shape->x = ttm.e;
state[1].shape->y = ttm.f;
fz_paint_pixmap_with_rect(state[0].shape, state[1].shape, 255, state[0].scissor);
}
}
}
fz_drop_pixmap(dev->ctx, state[1].dest);
fz_drop_pixmap(dev->ctx, state[1].shape);
#ifdef DUMP_GROUP_BLENDS
fz_dump_blend(dev->ctx, state[0].dest, " to get ");
if (state[0].shape)
fz_dump_blend(dev->ctx, state[0].shape, "/");
printf("\n");
#endif
if (state->blendmode & FZ_BLEND_KNOCKOUT)
fz_knockout_end(dev);
}
static void drawpage(xps_context *ctx, int pagenum)
{
xps_page *page;
fz_display_list *list;
fz_device *dev;
int start;
int code;
if (showtime)
{
start = gettime();
}
code = xps_load_page(&page, ctx, pagenum - 1);
if (code)
die(fz_rethrow(code, "cannot load page %d in file '%s'", pagenum, filename));
list = NULL;
if (uselist)
{
list = fz_new_display_list();
dev = fz_new_list_device(list);
xps_run_page(ctx, page, dev, fz_identity);
fz_free_device(dev);
}
if (showxml)
{
dev = fz_new_trace_device();
printf("<page number=\"%d\">\n", pagenum);
if (list)
fz_execute_display_list(list, dev, fz_identity, fz_infinite_bbox);
else
xps_run_page(ctx, page, dev, fz_identity);
printf("</page>\n");
fz_free_device(dev);
}
if (showtext)
{
fz_text_span *text = fz_new_text_span();
dev = fz_new_text_device(text);
if (list)
fz_execute_display_list(list, dev, fz_identity, fz_infinite_bbox);
else
xps_run_page(ctx, page, dev, fz_identity);
fz_free_device(dev);
printf("[Page %d]\n", pagenum);
if (showtext > 1)
fz_debug_text_span_xml(text);
else
fz_debug_text_span(text);
printf("\n");
fz_free_text_span(text);
}
if (showmd5 || showtime)
printf("page %s %d", filename, pagenum);
if (output || showmd5 || showtime)
{
float zoom;
fz_matrix ctm;
fz_rect rect;
fz_bbox bbox;
fz_pixmap *pix;
rect.x0 = rect.y0 = 0;
rect.x1 = page->width;
rect.y1 = page->height;
zoom = resolution / 96;
ctm = fz_translate(0, -page->height);
ctm = fz_concat(ctm, fz_scale(zoom, zoom));
bbox = fz_round_rect(fz_transform_rect(ctm, rect));
/* TODO: banded rendering and multi-page ppm */
pix = fz_new_pixmap_with_rect(colorspace, bbox);
if (savealpha)
fz_clear_pixmap(pix);
else
fz_clear_pixmap_with_color(pix, 255);
dev = fz_new_draw_device(glyphcache, pix);
if (list)
fz_execute_display_list(list, dev, ctm, bbox);
else
xps_run_page(ctx, page, dev, ctm);
fz_free_device(dev);
if (output)
{
char buf[512];
sprintf(buf, output, pagenum);
if (strstr(output, ".pgm") || strstr(output, ".ppm") || strstr(output, ".pnm"))
fz_write_pnm(pix, buf);
else if (strstr(output, ".pam"))
fz_write_pam(pix, buf, savealpha);
else if (strstr(output, ".png"))
fz_write_png(pix, buf, savealpha);
}
if (showmd5)
{
fz_md5 md5;
unsigned char digest[16];
int i;
fz_md5_init(&md5);
fz_md5_update(&md5, pix->samples, pix->w * pix->h * pix->n);
fz_md5_final(&md5, digest);
printf(" ");
for (i = 0; i < 16; i++)
printf("%02x", digest[i]);
}
fz_drop_pixmap(pix);
}
if (list)
fz_free_display_list(list);
if (showtime)
{
int end = gettime();
int diff = end - start;
if (diff < timing.min)
{
timing.min = diff;
timing.minpage = pagenum;
}
if (diff > timing.max)
{
timing.max = diff;
timing.maxpage = pagenum;
}
timing.total += diff;
timing.count ++;
printf(" %dms", diff);
}
if (showmd5 || showtime)
printf("\n");
}
void
drawpnm(int pagenum)
{
fz_error *error;
fz_matrix ctm;
fz_irect bbox;
fz_pixmap *pix;
char namebuf[256];
char buf[256];
int x, y, w, h, b, bh;
int fd;
drawloadpage(pagenum);
ctm = fz_identity();
ctm = fz_concat(ctm, fz_translate(0, -drawpage->mediabox.y1));
ctm = fz_concat(ctm, fz_scale(drawzoom, -drawzoom));
ctm = fz_concat(ctm, fz_rotate(drawrotate + drawpage->rotate));
bbox = fz_roundrect(fz_transformaabb(ctm, drawpage->mediabox));
w = bbox.x1 - bbox.x0;
h = bbox.y1 - bbox.y0;
bh = h / drawbands;
if (drawpattern)
{
sprintf(namebuf, drawpattern, drawcount++);
fd = open(namebuf, O_BINARY|O_WRONLY|O_CREAT|O_TRUNC, 0666);
if (fd < 0)
die(fz_throw("ioerror: could not open file '%s'", namebuf));
}
else
fd = 1;
sprintf(buf, "P6\n%d %d\n255\n", w, h);
write(fd, buf, strlen(buf));
error = fz_newpixmap(&pix, bbox.x0, bbox.y0, w, bh, 4);
if (error)
die(error);
memset(pix->samples, 0xff, pix->h * pix->w * pix->n);
for (b = 0; b < drawbands; b++)
{
if (drawbands > 1)
fprintf(stderr, "drawing band %d / %d\n", b + 1, drawbands);
error = fz_rendertreeover(drawgc, pix, drawpage->tree, ctm);
if (error)
die(error);
for (y = 0; y < pix->h; y++)
{
unsigned char *src = pix->samples + y * pix->w * 4;
unsigned char *dst = src;
for (x = 0; x < pix->w; x++)
{
dst[x * 3 + 0] = src[x * 4 + 1];
dst[x * 3 + 1] = src[x * 4 + 2];
dst[x * 3 + 2] = src[x * 4 + 3];
}
write(fd, dst, pix->w * 3);
memset(src, 0xff, pix->w * 4);
}
pix->y += bh;
if (pix->y + pix->h > bbox.y1)
pix->h = bbox.y1 - pix->y;
}
fz_droppixmap(pix);
if (drawpattern)
close(fd);
drawfreepage();
}
static void drawpnm(int pagenum, struct benchmark *loadtimes, struct benchmark *drawtimes)
{
fz_error error;
fz_matrix ctm;
fz_irect bbox;
fz_pixmap *pix;
char name[256];
char pnmhdr[256];
int i, x, y, w, h, b, bh;
int fd = -1;
long start;
long end;
long elapsed;
fz_md5 digest;
if (!drawpattern)
fz_md5init(&digest);
drawloadpage(pagenum, loadtimes);
if (benchmark)
gettime(&start);
ctm = fz_identity();
ctm = fz_concat(ctm, fz_translate(0, -drawpage->mediabox.y1));
ctm = fz_concat(ctm, fz_scale(drawzoom, -drawzoom));
ctm = fz_concat(ctm, fz_rotate(drawrotate + drawpage->rotate));
bbox = fz_roundrect(fz_transformaabb(ctm, drawpage->mediabox));
w = bbox.x1 - bbox.x0;
h = bbox.y1 - bbox.y0;
bh = h / drawbands;
if (drawpattern)
{
sprintf(name, drawpattern, drawcount++);
fd = open(name, O_BINARY|O_WRONLY|O_CREAT|O_TRUNC, 0666);
if (fd < 0)
die(fz_throw("ioerror: could not open file '%s'", name));
sprintf(pnmhdr, "P6\n%d %d\n255\n", w, h);
write(fd, pnmhdr, strlen(pnmhdr));
}
error = fz_newpixmap(&pix, bbox.x0, bbox.y0, w, bh, 4);
if (error)
die(error);
memset(pix->samples, 0xff, pix->h * pix->w * pix->n);
for (b = 0; b < drawbands; b++)
{
if (drawbands > 1)
fprintf(stderr, "drawing band %d / %d\n", b + 1, drawbands);
error = fz_rendertreeover(drawgc, pix, drawpage->tree, ctm);
if (error)
die(error);
if (drawpattern)
{
for (y = 0; y < pix->h; y++)
{
unsigned char *src = pix->samples + y * pix->w * 4;
unsigned char *dst = src;
for (x = 0; x < pix->w; x++)
{
dst[x * 3 + 0] = src[x * 4 + 1];
dst[x * 3 + 1] = src[x * 4 + 2];
dst[x * 3 + 2] = src[x * 4 + 3];
}
write(fd, dst, pix->w * 3);
memset(src, 0xff, pix->w * 4);
}
}
if (!drawpattern)
fz_md5update(&digest, pix->samples, pix->h * pix->w * 4);
pix->y += bh;
if (pix->y + pix->h > bbox.y1)
pix->h = bbox.y1 - pix->y;
}
fz_droppixmap(pix);
if (!drawpattern) {
unsigned char buf[16];
fz_md5final(&digest, buf);
for (i = 0; i < 16; i++)
fprintf(stderr, "%02x", buf[i]);
}
if (drawpattern)
close(fd);
drawfreepage();
if (benchmark)
{
gettime(&end);
elapsed = end - start;
if (elapsed < drawtimes->min)
{
drawtimes->min = elapsed;
drawtimes->minpage = pagenum;
}
if (elapsed > drawtimes->max)
{
drawtimes->max = elapsed;
drawtimes->maxpage = pagenum;
}
drawtimes->avg += elapsed;
drawtimes->pages++;
fprintf(stderr, " time %.3fs",
elapsed / 1000000.0);
}
fprintf(stderr, "\n");
}
static void
pdf_showpattern(pdf_csi *csi, pdf_pattern *pat, fz_rect bbox, int what)
{
pdf_gstate *gstate;
fz_matrix ptm, invptm;
fz_matrix oldtopctm;
fz_error error;
int x, y, x0, y0, x1, y1;
int oldtop;
pdf_gsave(csi);
gstate = csi->gstate + csi->gtop;
if (pat->ismask)
{
pdf_unsetpattern(csi, PDF_MFILL);
pdf_unsetpattern(csi, PDF_MSTROKE);
if (what == PDF_MFILL)
{
pdf_dropmaterial(&gstate->stroke);
pdf_keepmaterial(&gstate->fill);
gstate->stroke = gstate->fill;
}
if (what == PDF_MSTROKE)
{
pdf_dropmaterial(&gstate->fill);
pdf_keepmaterial(&gstate->stroke);
gstate->fill = gstate->stroke;
}
}
else
{
// TODO: unset only the current fill/stroke or both?
pdf_unsetpattern(csi, what);
}
/* don't apply softmasks to objects in the pattern as well */
if (gstate->softmask)
{
pdf_dropxobject(gstate->softmask);
gstate->softmask = nil;
}
ptm = fz_concat(pat->matrix, csi->topctm);
invptm = fz_invertmatrix(ptm);
/* patterns are painted using the ctm in effect at the beginning of the content stream */
/* get bbox of shape in pattern space for stamping */
bbox = fz_transformrect(invptm, bbox);
x0 = floorf(bbox.x0 / pat->xstep);
y0 = floorf(bbox.y0 / pat->ystep);
x1 = ceilf(bbox.x1 / pat->xstep);
y1 = ceilf(bbox.y1 / pat->ystep);
oldtopctm = csi->topctm;
oldtop = csi->gtop;
for (y = y0; y < y1; y++)
{
for (x = x0; x < x1; x++)
{
gstate->ctm = fz_concat(fz_translate(x * pat->xstep, y * pat->ystep), ptm);
csi->topctm = gstate->ctm;
error = pdf_runcsibuffer(csi, pat->resources, pat->contents);
while (oldtop < csi->gtop)
pdf_grestore(csi);
if (error)
{
fz_catch(error, "cannot render pattern tile");
goto cleanup;
}
}
}
cleanup:
csi->topctm = oldtopctm;
pdf_grestore(csi);
}
static void
pdf_showglyph(pdf_csi *csi, int cid)
{
pdf_gstate *gstate = csi->gstate + csi->gtop;
pdf_fontdesc *fontdesc = gstate->font;
fz_matrix tsm, trm;
float w0, w1, tx, ty;
pdf_hmtx h;
pdf_vmtx v;
int gid;
int ucsbuf[8];
int ucslen;
int i;
tsm.a = gstate->size * gstate->scale;
tsm.b = 0;
tsm.c = 0;
tsm.d = gstate->size;
tsm.e = 0;
tsm.f = gstate->rise;
ucslen = 0;
if (fontdesc->tounicode)
ucslen = pdf_lookupcmapfull(fontdesc->tounicode, cid, ucsbuf);
if (ucslen == 0 && cid < fontdesc->ncidtoucs)
{
ucsbuf[0] = fontdesc->cidtoucs[cid];
ucslen = 1;
}
if (ucslen == 0 || (ucslen == 1 && ucsbuf[0] == 0))
{
ucsbuf[0] = '?';
ucslen = 1;
}
gid = pdf_fontcidtogid(fontdesc, cid);
if (fontdesc->wmode == 1)
{
v = pdf_getvmtx(fontdesc, cid);
tsm.e -= v.x * gstate->size * 0.001f;
tsm.f -= v.y * gstate->size * 0.001f;
}
trm = fz_concat(tsm, csi->tm);
/* flush buffered text if face or matrix or rendermode has changed */
if (!csi->text ||
fontdesc->font != csi->text->font ||
fontdesc->wmode != csi->text->wmode ||
fabsf(trm.a - csi->text->trm.a) > FLT_EPSILON ||
fabsf(trm.b - csi->text->trm.b) > FLT_EPSILON ||
fabsf(trm.c - csi->text->trm.c) > FLT_EPSILON ||
fabsf(trm.d - csi->text->trm.d) > FLT_EPSILON ||
gstate->render != csi->textmode)
{
pdf_flushtext(csi);
csi->text = fz_newtext(fontdesc->font, trm, fontdesc->wmode);
csi->text->trm.e = 0;
csi->text->trm.f = 0;
csi->textmode = gstate->render;
}
/* add glyph to textobject */
fz_addtext(csi->text, gid, ucsbuf[0], trm.e, trm.f);
/* add filler glyphs for one-to-many unicode mapping */
for (i = 1; i < ucslen; i++)
fz_addtext(csi->text, -1, ucsbuf[i], trm.e, trm.f);
if (fontdesc->wmode == 0)
{
h = pdf_gethmtx(fontdesc, cid);
w0 = h.w * 0.001f;
tx = (w0 * gstate->size + gstate->charspace) * gstate->scale;
csi->tm = fz_concat(fz_translate(tx, 0), csi->tm);
}
if (fontdesc->wmode == 1)
{
w1 = v.w * 0.001f;
ty = w1 * gstate->size + gstate->charspace;
csi->tm = fz_concat(fz_translate(0, ty), csi->tm);
}
}
void
xps_parse_tiling_brush(xps_context *ctx, fz_matrix ctm, fz_rect area,
char *base_uri, xps_resource *dict, xml_element *root,
void (*func)(xps_context*, fz_matrix, fz_rect, char*, xps_resource*, xml_element*, void*), void *user)
{
xml_element *node;
struct closure c;
char *opacity_att;
char *transform_att;
char *viewbox_att;
char *viewport_att;
char *tile_mode_att;
char *viewbox_units_att;
char *viewport_units_att;
xml_element *transform_tag = NULL;
fz_matrix transform;
fz_rect viewbox;
fz_rect viewport;
float xstep, ystep;
float xscale, yscale;
int tile_mode;
opacity_att = xml_att(root, "Opacity");
transform_att = xml_att(root, "Transform");
viewbox_att = xml_att(root, "Viewbox");
viewport_att = xml_att(root, "Viewport");
tile_mode_att = xml_att(root, "TileMode");
viewbox_units_att = xml_att(root, "ViewboxUnits");
viewport_units_att = xml_att(root, "ViewportUnits");
c.base_uri = base_uri;
c.dict = dict;
c.root = root;
c.user = user;
c.func = func;
for (node = xml_down(root); node; node = xml_next(node))
{
if (!strcmp(xml_tag(node), "ImageBrush.Transform"))
transform_tag = xml_down(node);
if (!strcmp(xml_tag(node), "VisualBrush.Transform"))
transform_tag = xml_down(node);
}
xps_resolve_resource_reference(ctx, dict, &transform_att, &transform_tag, NULL);
transform = fz_identity;
if (transform_att)
xps_parse_render_transform(ctx, transform_att, &transform);
if (transform_tag)
xps_parse_matrix_transform(ctx, transform_tag, &transform);
ctm = fz_concat(transform, ctm);
viewbox = fz_unit_rect;
if (viewbox_att)
xps_parse_rectangle(ctx, viewbox_att, &viewbox);
viewport = fz_unit_rect;
if (viewport_att)
xps_parse_rectangle(ctx, viewport_att, &viewport);
/* some sanity checks on the viewport/viewbox size */
if (fabsf(viewport.x1 - viewport.x0) < 0.01f) return;
if (fabsf(viewport.y1 - viewport.y0) < 0.01f) return;
if (fabsf(viewbox.x1 - viewbox.x0) < 0.01f) return;
if (fabsf(viewbox.y1 - viewbox.y0) < 0.01f) return;
xstep = viewbox.x1 - viewbox.x0;
ystep = viewbox.y1 - viewbox.y0;
xscale = (viewport.x1 - viewport.x0) / xstep;
yscale = (viewport.y1 - viewport.y0) / ystep;
tile_mode = TILE_NONE;
if (tile_mode_att)
{
if (!strcmp(tile_mode_att, "None"))
tile_mode = TILE_NONE;
if (!strcmp(tile_mode_att, "Tile"))
tile_mode = TILE_TILE;
if (!strcmp(tile_mode_att, "FlipX"))
tile_mode = TILE_FLIP_X;
if (!strcmp(tile_mode_att, "FlipY"))
tile_mode = TILE_FLIP_Y;
if (!strcmp(tile_mode_att, "FlipXY"))
tile_mode = TILE_FLIP_X_Y;
}
if (tile_mode == TILE_FLIP_X || tile_mode == TILE_FLIP_X_Y)
xstep *= 2;
if (tile_mode == TILE_FLIP_Y || tile_mode == TILE_FLIP_X_Y)
ystep *= 2;
xps_begin_opacity(ctx, ctm, area, base_uri, dict, opacity_att, NULL);
ctm = fz_concat(fz_translate(viewport.x0, viewport.y0), ctm);
ctm = fz_concat(fz_scale(xscale, yscale), ctm);
ctm = fz_concat(fz_translate(-viewbox.x0, -viewbox.y0), ctm);
if (tile_mode != TILE_NONE)
{
int x0, y0, x1, y1;
fz_matrix invctm = fz_invert_matrix(ctm);
area = fz_transform_rect(invctm, area);
x0 = floorf(area.x0 / xstep);
y0 = floorf(area.y0 / ystep);
x1 = ceilf(area.x1 / xstep);
y1 = ceilf(area.y1 / ystep);
#ifdef TILE
if ((x1 - x0) * (y1 - y0) > 1)
#else
if (0)
#endif
{
fz_rect bigview = viewbox;
bigview.x1 = bigview.x0 + xstep;
bigview.y1 = bigview.y0 + ystep;
fz_begin_tile(ctx->dev, area, bigview, xstep, ystep, ctm);
xps_paint_tiling_brush(ctx, ctm, viewbox, tile_mode, &c);
fz_end_tile(ctx->dev);
}
else
{
int x, y;
for (y = y0; y < y1; y++)
{
for (x = x0; x < x1; x++)
{
fz_matrix ttm = fz_concat(fz_translate(xstep * x, ystep * y), ctm);
xps_paint_tiling_brush(ctx, ttm, viewbox, tile_mode, &c);
}
}
}
}
else
{
xps_paint_tiling_brush(ctx, ctm, viewbox, tile_mode, &c);
}
xps_end_opacity(ctx, base_uri, dict, opacity_att, NULL);
}
JNIEXPORT jboolean JNICALL Java_com_artifex_mupdf_MuPDFCore_drawPage(
JNIEnv *env,
jobject thiz,
jobject bitmap,
int pageW,
int pageH,
int patchX,
int patchY,
int patchW,
int patchH)
{
AndroidBitmapInfo info;
void *pixels;
int ret;
fz_error error;
fz_device *dev;
float zoom;
fz_matrix ctm;
fz_bbox bbox;
fz_pixmap *pix;
float xscale, yscale;
LOGI("In native method\n");
if ((ret = AndroidBitmap_getInfo(env, bitmap, &info)) < 0) {
LOGE("AndroidBitmap_getInfo() failed ! error=%d", ret);
return 0;
}
LOGI("Checking format\n");
if (info.format != ANDROID_BITMAP_FORMAT_RGBA_8888) {
LOGE("Bitmap format is not RGBA_8888 !");
return 0;
}
LOGI("locking pixels\n");
if ((ret = AndroidBitmap_lockPixels(env, bitmap, &pixels)) < 0) {
LOGE("AndroidBitmap_lockPixels() failed ! error=%d", ret);
return 0;
}
/* Call mupdf to render display list to screen */
LOGE("Rendering page=%dx%d patch=[%d,%d,%d,%d]",
pageW, pageH, patchX, patchY, patchW, patchH);
pix = fz_newpixmapwithdata(colorspace,
patchX,
patchY,
patchW,
patchH,
pixels);
if (currentPageList == NULL)
{
fz_clearpixmapwithcolor(pix, 0xd0);
return 0;
}
fz_clearpixmapwithcolor(pix, 0xff);
zoom = resolution / 72;
ctm = fz_translate(0, -currentMediabox.y1);
ctm = fz_concat(ctm, fz_scale(zoom, -zoom));
ctm = fz_concat(ctm, fz_rotate(currentRotate));
bbox = fz_roundrect(fz_transformrect(ctm,currentMediabox));
/* Now, adjust ctm so that it would give the correct page width
* heights. */
xscale = (float)pageW/(float)(bbox.x1-bbox.x0);
yscale = (float)pageH/(float)(bbox.y1-bbox.y0);
ctm = fz_concat(ctm, fz_scale(xscale, yscale));
dev = fz_newdrawdevice(glyphcache, pix);
fz_executedisplaylist(currentPageList, dev, ctm);
fz_freedevice(dev);
fz_droppixmap(pix);
LOGE("Rendered");
AndroidBitmap_unlockPixels(env, bitmap);
return 1;
}
