diff options
Diffstat (limited to 'devices/vector/gdevpdfb.c')
| -rw-r--r-- | devices/vector/gdevpdfb.c | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/devices/vector/gdevpdfb.c b/devices/vector/gdevpdfb.c index 20339038..a7b36d82 100644 --- a/devices/vector/gdevpdfb.c +++ b/devices/vector/gdevpdfb.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2001-2020 Artifex Software, Inc. +/* Copyright (C) 2001-2021 Artifex Software, Inc. All Rights Reserved. This software is provided AS-IS with no warranty, either express or @@ -496,7 +496,7 @@ gdev_pdf_copy_color(gx_device * dev, const byte * base, int sourcex, /* Fill a mask. */ int gdev_pdf_fill_mask(gx_device * dev, - const byte * data, int data_x, int raster, gx_bitmap_id id, + const byte * data, int data_x, int raster, gx_bitmap_id id, int x, int y, int width, int height, const gx_drawing_color * pdcolor, int depth, gs_logical_operation_t lop, const gx_clip_path * pcpath) @@ -505,6 +505,50 @@ gdev_pdf_fill_mask(gx_device * dev, if (width <= 0 || height <= 0) return 0; + + /* If OCRStage is 'OCR_Rendering' then we are handling an image which is a rendered glyph + * that we want to have OCR software process and return a Unicode code point for. + * We specifically do *not* want to send the image to the output PDF file! + */ + if (pdev->OCRStage == OCR_Rendering) { + int code = 0; + ocr_glyph_t *new_glyph = NULL; + int index; + + new_glyph = (ocr_glyph_t *)gs_alloc_bytes(pdev->pdf_memory, sizeof(ocr_glyph_t), ""); + if (new_glyph == NULL) + return_error(gs_error_VMerror); + new_glyph->data = gs_alloc_bytes(pdev->pdf_memory, raster*height, ""); + if (new_glyph->data == NULL) + return_error(gs_error_VMerror); + memcpy(new_glyph->data, data, raster * height); + new_glyph->height = height; + new_glyph->width = width; + new_glyph->raster = raster; + new_glyph->x = x; + new_glyph->y = y; + new_glyph->char_code = pdev->OCR_char_code; + new_glyph->glyph = pdev->OCR_glyph; + new_glyph->next = NULL; + new_glyph->is_space = true; + for(index = 0; index < height * raster;index++){ + if(data[index] != 0x00) { + new_glyph->is_space = false; + break; + } + } + if (pdev->ocr_glyphs == NULL) + pdev->ocr_glyphs = new_glyph; + else { + ocr_glyph_t *next = pdev->ocr_glyphs; + + while (next->next != NULL) + next = next->next; + next->next = new_glyph; + } + return code; + } + if (depth > 1 || (!gx_dc_is_pure(pdcolor) != 0 && !(gx_dc_is_pattern1_color(pdcolor)))) return gx_default_fill_mask(dev, data, data_x, raster, id, x, y, width, height, pdcolor, depth, lop, |