static int test2(gs_state * pgs, gs_memory_t * mem) { gs_client_color cc; gx_tile_bitmap tile; /*const */ byte tpdata[] = { /* Define a pattern that looks like this: ..xxxx .....x .....x ..xxxx .x.... x..... */ 0x3c, 0, 0, 0, 0x04, 0, 0, 0, 0x04, 0, 0, 0, 0x3c, 0, 0, 0, 0x40, 0, 0, 0, 0x80, 0, 0, 0 }; gs_newpath(pgs); gs_moveto(pgs, 100.0, 300.0); gs_lineto(pgs, 500.0, 500.0); gs_lineto(pgs, 200.0, 100.0); gs_lineto(pgs, 300.0, 500.0); gs_lineto(pgs, 500.0, 200.0); gs_closepath(pgs); gs_setrgbcolor(pgs, 0.0, 0.0, 0.0); gs_gsave(pgs); gs_fill(pgs); gs_grestore(pgs); tile.data = tpdata; tile.raster = 4; tile.size.x = tile.rep_width = 6; tile.size.y = tile.rep_height = 6; tile.id = gx_no_bitmap_id; gs_makebitmappattern(&cc, &tile, true, pgs, NULL); /* Note: color space is DeviceRGB */ cc.paint.values[0] = 0.0; cc.paint.values[1] = 1.0; cc.paint.values[2] = 1.0; gs_setpattern(pgs, &cc); gs_eofill(pgs); gs_makebitmappattern(&cc, &tile, false, pgs, NULL); gs_setcolor(pgs, &cc); gs_moveto(pgs, 50.0, 50.0); gs_lineto(pgs, 300.0, 50.0); gs_lineto(pgs, 50.0, 300.0); gs_closepath(pgs); gs_setrgbcolor(pgs, 1.0, 0.0, 0.0); gs_gsave(pgs); gs_fill(pgs); gs_grestore(pgs); gs_setpattern(pgs, &cc); gs_eofill(pgs); return 0; }
static int test8(gs_state * pgs, gs_memory_t * mem) { /* * Define a 16 x 16 pattern using a 4-entry palette * (white, red, green, black). */ static const byte pdata[] = { 0x7f, 0xff, 0x00, 0x03, 0x7f, 0xff, 0x00, 0x0c, 0x50, 0x00, 0x00, 0x30, 0x50, 0x00, 0x00, 0xc0, 0x50, 0x00, 0x03, 0x00, 0x50, 0x00, 0x0c, 0x00, 0x50, 0x00, 0x30, 0x00, 0x50, 0x00, 0xc0, 0x00, 0xf0, 0x00, 0xc0, 0x00, 0xf0, 0x00, 0x30, 0x00, 0xf0, 0x00, 0x0c, 0x00, 0xf0, 0x00, 0x03, 0x00, 0xf0, 0x00, 0x00, 0xc0, 0xf0, 0x00, 0x00, 0x30, 0xea, 0x55, 0xaa, 0x5c, 0xea, 0x55, 0xaa, 0x57, }; gs_depth_bitmap ptile; gs_const_string table; gs_color_space *pcs; gs_client_color ccolor; gs_color_space *rgb_cs; rgb_cs = gs_cspace_new_DeviceRGB(mem); table.data = (const byte *)"\377\377\377\377\000\000\000\377\000\000\000\000"; table.size = 12; gs_cspace_build_Indexed(&pcs, rgb_cs, 4, &table, mem); ptile.data = pdata; ptile.raster = 4; ptile.size.x = ptile.size.y = 16; ptile.id = gs_no_bitmap_id; ptile.pix_depth = 2; ptile.num_comps = 1; gs_makepixmappattern(&ccolor, &ptile, false /*mask */ , NULL /*pmat */ , gs_no_id, pcs, 0 /*white_index */ , pgs, mem); { gs_rect r; r.p.x = 100; r.p.y = 100; r.q.x = 200; r.q.y = 200; gs_setrgbcolor(pgs, 1.0, 1.0, 0.0); gs_rectfill(pgs, &r, 1); gs_setpattern(pgs, &ccolor); gs_settexturetransparent(pgs, true); gs_rectfill(pgs, &r, 1); r.p.x += 150; r.q.x += 150; gs_setrgbcolor(pgs, 1.0, 1.0, 0.0); gs_rectfill(pgs, &r, 1); gs_setpattern(pgs, &ccolor); gs_settexturetransparent(pgs, false); gs_rectfill(pgs, &r, 1); } gs_free_object(mem, rgb_cs, "test8 rgb_cs"); return 0; }
int xps_parse_tiling_brush(xps_context_t *ctx, char *base_uri, xps_resource_t *dict, xps_item_t *root, int (*func)(xps_context_t*, char*, xps_resource_t*, xps_item_t*, void*), void *user) { xps_item_t *node; int code; char *opacity_att; char *transform_att; char *viewbox_att; char *viewport_att; char *tile_mode_att; /*char *viewbox_units_att;*/ /*char *viewport_units_att;*/ xps_item_t *transform_tag = NULL; gs_matrix transform; gs_rect viewbox; gs_rect viewport; float scalex, scaley; int tile_mode; opacity_att = xps_att(root, "Opacity"); transform_att = xps_att(root, "Transform"); viewbox_att = xps_att(root, "Viewbox"); viewport_att = xps_att(root, "Viewport"); tile_mode_att = xps_att(root, "TileMode"); /*viewbox_units_att = xps_att(root, "ViewboxUnits");*/ /*viewport_units_att = xps_att(root, "ViewportUnits");*/ for (node = xps_down(root); node; node = xps_next(node)) { if (!strcmp(xps_tag(node), "ImageBrush.Transform")) transform_tag = xps_down(node); if (!strcmp(xps_tag(node), "VisualBrush.Transform")) transform_tag = xps_down(node); } xps_resolve_resource_reference(ctx, dict, &transform_att, &transform_tag, NULL); gs_make_identity(&transform); if (transform_att) xps_parse_render_transform(ctx, transform_att, &transform); if (transform_tag) xps_parse_matrix_transform(ctx, transform_tag, &transform); viewbox.p.x = 0.0; viewbox.p.y = 0.0; viewbox.q.x = 1.0; viewbox.q.y = 1.0; if (viewbox_att) xps_parse_rectangle(ctx, viewbox_att, &viewbox); viewport.p.x = 0.0; viewport.p.y = 0.0; viewport.q.x = 1.0; viewport.q.y = 1.0; if (viewport_att) xps_parse_rectangle(ctx, viewport_att, &viewport); /* some sanity checks on the viewport/viewbox size */ if (fabs(viewport.q.x - viewport.p.x) < 0.01) { gs_warn("skipping tile with zero width view port"); return 0; } if (fabs(viewport.q.y - viewport.p.y) < 0.01) { gs_warn("skipping tile with zero height view port"); return 0; } if (fabs(viewbox.q.x - viewbox.p.x) < 0.01) { gs_warn("skipping tile with zero width view box"); return 0; } if (fabs(viewbox.q.y - viewbox.p.y) < 0.01) { gs_warn("skipping tile with zero height view box"); return 0; } scalex = (viewport.q.x - viewport.p.x) / (viewbox.q.x - viewbox.p.x); scaley = (viewport.q.y - viewport.p.y) / (viewbox.q.y - viewbox.p.y); 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; } gs_gsave(ctx->pgs); code = xps_begin_opacity(ctx, base_uri, dict, opacity_att, NULL, false, false); if (code) { gs_grestore(ctx->pgs); return gs_rethrow(code, "cannot create transparency group"); } /* TODO(tor): check viewport and tiling to see if we can set it to TILE_NONE */ if (tile_mode != TILE_NONE) { struct tile_closure_s closure; gs_client_pattern gspat; gs_client_color gscolor; gs_color_space *cs; bool sa; closure.ctx = ctx; closure.base_uri = base_uri; closure.dict = dict; closure.tag = root; closure.tile_mode = tile_mode; closure.user = user; closure.func = func; closure.viewbox.p.x = viewbox.p.x; closure.viewbox.p.y = viewbox.p.y; closure.viewbox.q.x = viewbox.q.x; closure.viewbox.q.y = viewbox.q.y; gs_pattern1_init(&gspat); uid_set_UniqueID(&gspat.uid, gs_next_ids(ctx->memory, 1)); gspat.PaintType = 1; gspat.TilingType = 2; gspat.PaintProc = xps_remap_pattern; gspat.client_data = &closure; /* We need to know if this tiling brush includes transparency. We could do a proper scan, but for now we'll be lazy and just look at the flag from scanning the page. */ gspat.uses_transparency = ctx->has_transparency; gspat.XStep = viewbox.q.x - viewbox.p.x; gspat.YStep = viewbox.q.y - viewbox.p.y; gspat.BBox.p.x = viewbox.p.x; gspat.BBox.p.y = viewbox.p.y; gspat.BBox.q.x = viewbox.q.x; gspat.BBox.q.y = viewbox.q.y; if (tile_mode == TILE_FLIP_X || tile_mode == TILE_FLIP_X_Y) { gspat.BBox.q.x += gspat.XStep; gspat.XStep *= 2; } if (tile_mode == TILE_FLIP_Y || tile_mode == TILE_FLIP_X_Y) { gspat.BBox.q.y += gspat.YStep; gspat.YStep *= 2; } gs_matrix_translate(&transform, viewport.p.x, viewport.p.y, &transform); gs_matrix_scale(&transform, scalex, scaley, &transform); gs_matrix_translate(&transform, -viewbox.p.x, -viewbox.p.y, &transform); cs = ctx->srgb; gs_setcolorspace(ctx->pgs, cs); gsicc_profile_reference(cs->cmm_icc_profile_data, 1); sa = gs_currentstrokeadjust(ctx->pgs); gs_setstrokeadjust(ctx->pgs, false); gs_makepattern(&gscolor, &gspat, &transform, ctx->pgs, NULL); gs_setpattern(ctx->pgs, &gscolor); xps_fill(ctx); gs_setstrokeadjust(ctx->pgs, sa); gsicc_profile_reference(cs->cmm_icc_profile_data, -1); /* gs_makepattern increments the pattern count stored in the color * structure. We will discard the color struct (its on the stack) * so we need to decrement the reference before we throw away * the structure. */ gs_pattern_reference(&gscolor, -1); } else { xps_clip(ctx); gs_concat(ctx->pgs, &transform); gs_translate(ctx->pgs, viewport.p.x, viewport.p.y); gs_scale(ctx->pgs, scalex, scaley); gs_translate(ctx->pgs, -viewbox.p.x, -viewbox.p.y); gs_moveto(ctx->pgs, viewbox.p.x, viewbox.p.y); gs_lineto(ctx->pgs, viewbox.p.x, viewbox.q.y); gs_lineto(ctx->pgs, viewbox.q.x, viewbox.q.y); gs_lineto(ctx->pgs, viewbox.q.x, viewbox.p.y); gs_closepath(ctx->pgs); gs_clip(ctx->pgs); gs_newpath(ctx->pgs); code = func(ctx, base_uri, dict, root, user); if (code < 0) { xps_end_opacity(ctx, base_uri, dict, opacity_att, NULL); gs_grestore(ctx->pgs); return gs_rethrow(code, "cannot draw tile"); } } xps_end_opacity(ctx, base_uri, dict, opacity_att, NULL); gs_grestore(ctx->pgs); return 0; }