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-rw-r--r--include/mupdf/fitz/device.h7
-rw-r--r--platform/win32/libmupdf.vcproj4
-rw-r--r--source/fitz/test-device.c85
-rw-r--r--source/tools/mudraw.c27
4 files changed, 117 insertions, 6 deletions
diff --git a/include/mupdf/fitz/device.h b/include/mupdf/fitz/device.h
index 25959424..18dc4881 100644
--- a/include/mupdf/fitz/device.h
+++ b/include/mupdf/fitz/device.h
@@ -287,6 +287,13 @@ fz_device *fz_new_trace_device(fz_context *ctx);
fz_device *fz_new_bbox_device(fz_context *ctx, fz_rect *rectp);
/*
+ fz_new_test_device: Create a device to test for features.
+
+ Currently only tests for the presence of non-grayscale colors.
+*/
+fz_device *fz_new_test_device(fz_context *ctx, int *iscolor);
+
+/*
fz_new_draw_device: Create a device to draw on a pixmap.
dest: Target pixmap for the draw device. See fz_new_pixmap*
diff --git a/platform/win32/libmupdf.vcproj b/platform/win32/libmupdf.vcproj
index 04692ee8..a81280d5 100644
--- a/platform/win32/libmupdf.vcproj
+++ b/platform/win32/libmupdf.vcproj
@@ -670,6 +670,10 @@
>
</File>
<File
+ RelativePath="..\..\source\fitz\test-device.c"
+ >
+ </File>
+ <File
RelativePath="..\..\source\fitz\text.c"
>
</File>
diff --git a/source/fitz/test-device.c b/source/fitz/test-device.c
new file mode 100644
index 00000000..e128e053
--- /dev/null
+++ b/source/fitz/test-device.c
@@ -0,0 +1,85 @@
+#include <mupdf/fitz.h>
+
+static void
+fz_test_colorspace(fz_context *ctx, fz_colorspace *colorspace, int *iscolor)
+{
+ if (colorspace && colorspace != fz_device_gray(ctx))
+ *iscolor = 1;
+}
+
+static void
+fz_test_color(fz_context *ctx, fz_colorspace *colorspace, float *color, int *iscolor)
+{
+ if (colorspace && colorspace != fz_device_gray(ctx))
+ {
+ float rgb[3];
+ fz_convert_color(ctx, fz_device_rgb(ctx), rgb, colorspace, color);
+ if (rgb[0] != rgb[1] || rgb[0] != rgb[2])
+ *iscolor = 1;
+ }
+}
+
+static void
+fz_test_fill_path(fz_device *dev, fz_path *path, int even_odd, const fz_matrix *ctm,
+ fz_colorspace *colorspace, float *color, float alpha)
+{
+ fz_test_color(dev->ctx, colorspace, color, dev->user);
+}
+
+static void
+fz_test_stroke_path(fz_device *dev, fz_path *path, fz_stroke_state *stroke,
+ const fz_matrix *ctm, fz_colorspace *colorspace, float *color, float alpha)
+{
+ fz_test_color(dev->ctx, colorspace, color, dev->user);
+}
+
+static void
+fz_test_fill_text(fz_device *dev, fz_text *text, const fz_matrix *ctm,
+ fz_colorspace *colorspace, float *color, float alpha)
+{
+ fz_test_color(dev->ctx, colorspace, color, dev->user);
+}
+
+static void
+fz_test_stroke_text(fz_device *dev, fz_text *text, fz_stroke_state *stroke,
+ const fz_matrix *ctm, fz_colorspace *colorspace, float *color, float alpha)
+{
+ fz_test_color(dev->ctx, colorspace, color, dev->user);
+}
+
+static void
+fz_test_fill_shade(fz_device *dev, fz_shade *shade, const fz_matrix *ctm, float alpha)
+{
+ fz_test_colorspace(dev->ctx, shade->colorspace, dev->user);
+}
+
+static void
+fz_test_fill_image(fz_device *dev, fz_image *image, const fz_matrix *ctm, float alpha)
+{
+ fz_test_colorspace(dev->ctx, image->colorspace, dev->user);
+}
+
+static void
+fz_test_fill_image_mask(fz_device *dev, fz_image *image, const fz_matrix *ctm,
+ fz_colorspace *colorspace, float *color, float alpha)
+{
+ fz_test_color(dev->ctx, colorspace, color, dev->user);
+}
+
+fz_device *
+fz_new_test_device(fz_context *ctx, int *iscolor)
+{
+ fz_device *dev = fz_new_device(ctx, iscolor);
+
+ dev->fill_path = fz_test_fill_path;
+ dev->stroke_path = fz_test_stroke_path;
+ dev->fill_text = fz_test_fill_text;
+ dev->stroke_text = fz_test_stroke_text;
+ dev->fill_shade = fz_test_fill_shade;
+ dev->fill_image = fz_test_fill_image;
+ dev->fill_image_mask = fz_test_fill_image_mask;
+
+ *iscolor = 0;
+
+ return dev;
+}
diff --git a/source/tools/mudraw.c b/source/tools/mudraw.c
index 0eb5e477..79092d9c 100644
--- a/source/tools/mudraw.c
+++ b/source/tools/mudraw.c
@@ -122,6 +122,7 @@ static int memtrace_current = 0;
static int memtrace_peak = 0;
static int memtrace_total = 0;
static int showmemory = 0;
+static int showfeatures = 0;
static fz_text_sheet *sheet = NULL;
static fz_colorspace *colorspace;
static char *filename;
@@ -162,6 +163,7 @@ static void usage(void)
"\t-G -\tgamma correct output\n"
"\t-I\tinvert output\n"
"\t-l\tprint outline\n"
+ "\t-T\ttest for features (grayscale or color)\n"
"\t-i\tignore errors and continue with the next file\n"
"\tpages\tcomma separated list of ranges\n");
exit(1);
@@ -308,9 +310,22 @@ static void drawpage(fz_context *ctx, fz_document *doc, int pagenum)
}
}
- if (showmd5 || showtime)
+ if (showmd5 || showtime || showfeatures)
printf("page %s %d", filename, pagenum);
+ if (showfeatures)
+ {
+ int iscolor;
+ dev = fz_new_test_device(ctx, &iscolor);
+ if (list)
+ fz_run_display_list(list, dev, &fz_identity, &fz_infinite_rect, NULL);
+ else
+ fz_run_page(doc, page, dev, &fz_identity, &cookie);
+ fz_free_device(dev);
+ dev = NULL;
+ printf(" %s", iscolor ? "color" : "grayscale");
+ }
+
if (pdfout)
{
fz_matrix ctm;
@@ -656,7 +671,7 @@ static void drawpage(fz_context *ctx, fz_document *doc, int pagenum)
printf(" %dms", diff);
}
- if (showmd5 || showtime)
+ if (showmd5 || showtime || showfeatures)
printf("\n");
if (showmemory)
@@ -811,7 +826,7 @@ int main(int argc, char **argv)
fz_var(doc);
- while ((c = fz_getopt(argc, argv, "lo:F:p:r:R:b:c:dgmtx5G:Iw:h:fiMB:")) != -1)
+ while ((c = fz_getopt(argc, argv, "lo:F:p:r:R:b:c:dgmTtx5G:Iw:h:fiMB:")) != -1)
{
switch (c)
{
@@ -828,6 +843,7 @@ int main(int argc, char **argv)
case 't': showtext++; break;
case 'x': showxml++; break;
case '5': showmd5++; break;
+ case 'T': showfeatures++; break;
case 'g': out_cs = CS_GRAY; break;
case 'd': uselist = 0; break;
case 'c': out_cs = parse_colorspace(fz_optarg); break;
@@ -844,7 +860,7 @@ int main(int argc, char **argv)
if (fz_optind == argc)
usage();
- if (!showtext && !showxml && !showtime && !showmd5 && !showoutline && !output)
+ if (!showtext && !showxml && !showtime && !showmd5 && !showoutline && !showfeatures && !output)
{
printf("nothing to do\n");
exit(0);
@@ -915,7 +931,6 @@ int main(int argc, char **argv)
fprintf(stderr, "Banded operation not compatible with MD5\n");
exit(1);
}
-
}
{
@@ -1031,7 +1046,7 @@ int main(int argc, char **argv)
if (showoutline)
drawoutline(ctx, doc);
- if (showtext || showxml || showtime || showmd5 || output)
+ if (showtext || showxml || showtime || showmd5 || showfeatures || output)
{
if (fz_optind == argc || !isrange(argv[fz_optind]))
drawrange(ctx, doc, "1-");
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-03 23:48:48 +0000