static void svg_dev_clip_text(fz_device *dev, fz_text *text, const fz_matrix *ctm, int accumulate) { svg_device *sdev = dev->user; fz_output *out = sdev->out; fz_context *ctx = dev->ctx; fz_rect bounds; int num = sdev->id++; float white[3] = { 1, 1, 1 }; font *fnt; fz_bound_text(ctx, text, NULL, ctm, &bounds); out = start_def(sdev); fz_printf(out, "<mask id=\"ma%d\" x=\"%g\" y=\"%g\" width=\"%g\" height=\"%g\" maskUnits=\"userSpaceOnUse\" maskContentUnits=\"userSpaceOnUse\">\n", num, bounds.x0, bounds.y0, bounds.x1 - bounds.x0, bounds.y1 - bounds.y0); fz_printf(out, "<text"); svg_dev_fill_color(sdev, fz_device_rgb(ctx), white, 0.0f); svg_dev_text(sdev, ctm, text); fnt = svg_dev_text_as_paths_defs(dev, text, ctm); svg_dev_text_as_paths_fill(dev, text, ctm, fz_device_rgb(ctx), white, 1.0f, fnt); fz_printf(out, "</mask>\n"); out = end_def(sdev); fz_printf(out, "<g mask=\"url(#ma%d)\">\n", num); }
static void svg_dev_clip_stroke_text(fz_context *ctx, fz_device *dev, fz_text *text, fz_stroke_state *stroke, const fz_matrix *ctm) { svg_device *sdev = (svg_device*)dev; fz_output *out; fz_rect bounds; int num = sdev->id++; float white[3] = { 255, 255, 255 }; font *fnt; fz_text_span *span; fz_bound_text(ctx, text, NULL, ctm, &bounds); out = start_def(ctx, sdev); fz_printf(ctx, out, "<mask id=\"ma%d\" x=\"%g\" y=\"%g\" width=\"%g\" height=\"%g\" maskUnits=\"userSpaceOnUse\" maskContentUnits=\"userSpaceOnUse\">\n", num, bounds.x0, bounds.y0, bounds.x1 - bounds.x0, bounds.y1 - bounds.y0); fz_printf(ctx, out, "<text"); svg_dev_stroke_state(ctx, sdev, stroke, &fz_identity); svg_dev_stroke_color(ctx, sdev, fz_device_rgb(ctx), white, 0.0f); svg_dev_text(ctx, sdev, ctm, text); for (span = text->head; span; span = span->next) { fnt = svg_dev_text_span_as_paths_defs(ctx, dev, span, ctm); svg_dev_text_span_as_paths_stroke(ctx, dev, span, stroke, ctm, fz_device_rgb(ctx), white, 1.0f, fnt); } fz_printf(ctx, out, "</mask>\n"); out = end_def(ctx, sdev); fz_printf(ctx, out, "<g mask=\"url(#ma%d)\">\n", num); }
static void svg_dev_begin_mask(fz_context *ctx, fz_device *dev, const fz_rect *bbox, int luminosity, fz_colorspace *colorspace, float *color) { svg_device *sdev = (svg_device*)dev; fz_output *out; int mask = sdev->id++; out = start_def(ctx, sdev); fz_printf(ctx, out, "<mask id=\"ma%d\">", mask); if (dev->container_len > 0) dev->container[dev->container_len-1].user = mask; }
static void svg_dev_fill_image_mask(fz_context *ctx, fz_device *dev, fz_image *image, const fz_matrix *ctm, fz_colorspace *colorspace, const float *color, float alpha) { svg_device *sdev = (svg_device*)dev; fz_compressed_buffer *buffer; fz_output *out; fz_matrix local_ctm = *ctm; fz_matrix scale = { 0 }; int mask = sdev->id++; scale.a = 1.0f / image->w; scale.d = 1.0f / image->h; fz_concat(&local_ctm, &scale, ctm); out = start_def(ctx, sdev); fz_printf(ctx, out, "<mask id=\"ma%d\"><image", mask); fz_printf(ctx, out, " width=\"%dpx\" height=\"%dpx\" xlink:href=\"data:", image->w, image->h); buffer = fz_compressed_image_buffer(ctx, image); switch (buffer == NULL ? FZ_IMAGE_JPX : buffer->params.type) { case FZ_IMAGE_JPEG: fz_printf(ctx, out, "image/jpeg;base64,"); send_data_base64(ctx, out, buffer->buffer); break; case FZ_IMAGE_PNG: fz_printf(ctx, out, "image/png;base64,"); send_data_base64(ctx, out, buffer->buffer); break; default: { fz_buffer *buf = fz_new_buffer_from_image_as_png(ctx, image); fz_printf(ctx, out, "image/png;base64,"); send_data_base64(ctx, out, buf); fz_drop_buffer(ctx, buf); break; } } fz_printf(ctx, out, "\"/></mask>\n"); out = end_def(ctx, sdev); fz_printf(ctx, out, "<rect x=\"0\" y=\"0\" width=\"%d\" height=\"%d\"", image->w, image->h); svg_dev_fill_color(ctx, sdev, colorspace, color, alpha); svg_dev_ctm(ctx, sdev, &local_ctm); fz_printf(ctx, out, " mask=\"url(#ma%d)\"/>\n", mask); }
static void svg_dev_clip_path(fz_device *dev, fz_path *path, const fz_rect *rect, int even_odd, const fz_matrix *ctm) { svg_device *sdev = dev->user; fz_output *out; int num = sdev->id++; out = start_def(sdev); fz_printf(out, "<clipPath id=\"cp%d\">\n", num); fz_printf(out, "<path"); svg_dev_ctm(sdev, ctm); svg_dev_path(sdev, path); if (even_odd) fz_printf(out, " fill-rule=\"evenodd\""); fz_printf(out, "/>\n</clipPath>\n"); out = end_def(sdev); fz_printf(out, "<g clip-path=\"url(#cp%d)\">\n", num); }
static void svg_dev_clip_path(fz_context *ctx, fz_device *dev, const fz_path *path, int even_odd, const fz_matrix *ctm, const fz_rect *scissor) { svg_device *sdev = (svg_device*)dev; fz_output *out; int num = sdev->id++; out = start_def(ctx, sdev); fz_printf(ctx, out, "<clipPath id=\"cp%d\">\n", num); fz_printf(ctx, out, "<path"); svg_dev_ctm(ctx, sdev, ctm); svg_dev_path(ctx, sdev, path); if (even_odd) fz_printf(ctx, out, " fill-rule=\"evenodd\""); fz_printf(ctx, out, "/>\n</clipPath>\n"); out = end_def(ctx, sdev); fz_printf(ctx, out, "<g clip-path=\"url(#cp%d)\">\n", num); }
static int svg_dev_begin_tile(fz_device *dev, const fz_rect *area, const fz_rect *view, float xstep, float ystep, const fz_matrix *ctm, int id) { svg_device *sdev = (svg_device *)dev->user; fz_output *out; fz_context *ctx = dev->ctx; int num; tile *t; if (sdev->num_tiles == sdev->max_tiles) { int n = (sdev->num_tiles == 0 ? 4 : sdev->num_tiles * 2); sdev->tiles = fz_resize_array(ctx, sdev->tiles, n, sizeof(tile)); sdev->max_tiles = n; } num = sdev->num_tiles++; t = &sdev->tiles[num]; t->area = *area; t->view = *view; t->ctm = *ctm; t->pattern = sdev->id++; t->step.x = xstep; t->step.y = ystep; /* view = area of our reference tile in pattern space. * area = area to tile into in pattern space. * xstep/ystep = pattern repeat step in pattern space. * All of these need to be transformed by ctm to get to device space. * SVG only allows us to specify pattern tiles as axis aligned * rectangles, so we send these through as is, and ensure that the * correct matrix is used on the fill. */ /* The first thing we do is to capture the contents of the pattern * as a symbol we can reuse. */ out = start_def(sdev); fz_printf(out, "<symbol id=\"pac%d\">\n", t->pattern); return 0; }
static void svg_dev_clip_image_mask(fz_device *dev, fz_image *image, const fz_rect *rect, const fz_matrix *ctm) { svg_device *sdev = (svg_device *)dev->user; fz_context *ctx = dev->ctx; fz_output *out; fz_matrix local_ctm = *ctm; fz_matrix scale = { 0 }; int mask = sdev->id++; scale.a = 1.0f / image->w; scale.d = 1.0f / image->h; fz_concat(&local_ctm, &scale, ctm); out = start_def(sdev); fz_printf(out, "<mask id=\"ma%d\"><image", mask); svg_dev_ctm(sdev, &local_ctm); fz_printf(out, " width=\"%dpx\" height=\"%dpx\" xlink:href=\"data:", image->w, image->h); switch (image->buffer == NULL ? FZ_IMAGE_JPX : image->buffer->params.type) { case FZ_IMAGE_JPEG: fz_printf(out, "image/jpeg;base64,"); send_data_base64(out, image->buffer->buffer); break; case FZ_IMAGE_PNG: fz_printf(out, "image/png;base64,"); send_data_base64(out, image->buffer->buffer); break; default: { fz_buffer *buf = fz_new_png_from_image(ctx, image, image->w, image->h); fz_printf(out, "image/png;base64,"); send_data_base64(out, buf); fz_drop_buffer(ctx, buf); break; } } fz_printf(out, "\"/></mask>\n"); out = end_def(sdev); fz_printf(out, "<g mask=\"url(#ma%d)\">\n", mask); }
static void svg_dev_clip_stroke_path(fz_context *ctx, fz_device *dev, fz_path *path, const fz_rect *rect, fz_stroke_state *stroke, const fz_matrix *ctm) { svg_device *sdev = (svg_device*)dev; fz_output *out; fz_rect bounds; int num = sdev->id++; float white[3] = { 1, 1, 1 }; fz_bound_path(ctx, path, stroke, ctm, &bounds); out = start_def(ctx, sdev); fz_printf(ctx, out, "<mask id=\"ma%d\" x=\"%g\" y=\"%g\" width=\"%g\" height=\"%g\" maskUnits=\"userSpaceOnUse\" maskContentUnits=\"userSpaceOnUse\">\n", num, bounds.x0, bounds.y0, bounds.x1 - bounds.x0, bounds.y1 - bounds.y0); fz_printf(ctx, out, "<path"); svg_dev_ctm(ctx, sdev, ctm); svg_dev_stroke_state(ctx, sdev, stroke, &fz_identity); svg_dev_stroke_color(ctx, sdev, fz_device_rgb(ctx), white, 1); svg_dev_path(ctx, sdev, path); fz_printf(ctx, out, "/>\n</mask>\n"); out = end_def(ctx, sdev); fz_printf(ctx, out, "<g mask=\"url(#ma%d)\">\n", num); }
static font * svg_dev_text_span_as_paths_defs(fz_context *ctx, fz_device *dev, fz_text_span *span, const fz_matrix *ctm) { svg_device *sdev = (svg_device*)dev; fz_output *out = sdev->out; int i, font_idx; font *fnt; fz_matrix shift = fz_identity; for (font_idx = 0; font_idx < sdev->num_fonts; font_idx++) { if (sdev->fonts[font_idx].font == span->font) break; } if (font_idx == sdev->num_fonts) { /* New font */ if (font_idx == sdev->max_fonts) { int newmax = sdev->max_fonts * 2; if (newmax == 0) newmax = 4; sdev->fonts = fz_resize_array(ctx, sdev->fonts, newmax, sizeof(*sdev->fonts)); memset(&sdev->fonts[font_idx], 0, (newmax - font_idx) * sizeof(sdev->fonts[0])); sdev->max_fonts = newmax; } sdev->fonts[font_idx].id = sdev->id++; sdev->fonts[font_idx].font = fz_keep_font(ctx, span->font); sdev->num_fonts++; } fnt = &sdev->fonts[font_idx]; for (i=0; i < span->len; i++) { fz_text_item *it = &span->items[i]; int gid = it->gid; if (gid < 0) continue; if (gid >= fnt->max_sentlist) { int j; fnt->sentlist = fz_resize_array(ctx, fnt->sentlist, gid+1, sizeof(fnt->sentlist[0])); for (j = fnt->max_sentlist; j <= gid; j++) { fnt->sentlist[j].x_off = FLT_MIN; fnt->sentlist[j].y_off = FLT_MIN; } fnt->max_sentlist = gid+1; } if (fnt->sentlist[gid].x_off == FLT_MIN) { /* Need to send this one */ fz_rect rect; fz_path *path; path = fz_outline_glyph(ctx, span->font, gid, &fz_identity); if (path) { fz_bound_path(ctx, path, NULL, &fz_identity, &rect); shift.e = -rect.x0; shift.f = -rect.y0; fz_transform_path(ctx, path, &shift); out = start_def(ctx, sdev); fz_printf(ctx, out, "<symbol id=\"font_%x_%x\">", fnt->id, gid); fz_printf(ctx, out, "<path"); svg_dev_path(ctx, sdev, path); fz_printf(ctx, out, "/>\n"); } else { fz_bound_glyph(ctx, span->font, gid, &fz_identity, &rect); shift.e = -rect.x0; shift.f = -rect.y0; out = start_def(ctx, sdev); fz_printf(ctx, out, "<symbol id=\"font_%x_%x\">", fnt->id, gid); fz_run_t3_glyph(ctx, span->font, gid, &shift, dev); } fz_printf(ctx, out, "</symbol>"); out = end_def(ctx, sdev); fnt->sentlist[gid].x_off = rect.x0; fnt->sentlist[gid].y_off = rect.y0; } } return fnt; }