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authorTor Andersson <tor.andersson@artifex.com>2014-08-22 15:35:13 +0200
committerTor Andersson <tor.andersson@artifex.com>2014-08-27 13:15:56 +0200
commit7662af082b44f8164d1adadc5688f30d888e6a63 (patch)
tree61867c232cebef6f510eef1e404f81c4411c4c2e /source/tools
parent357162fe1eaec81638611d57ed178d8dfc3cdc47 (diff)
downloadmupdf-7662af082b44f8164d1adadc5688f30d888e6a63.tar.xz
Revise test-device; thresholding and exhaustive checking.
The original version of the test-device could characterise pages as being grayscale/color purely based on the colorspaces used. This could easily be upset by grayscale images or shadings that happened to be specified in non-grayscale colorspaces however. We now look at the actual shading and image color values, and use a threshold value to allow for some measure of rounding errors in color values that are in practice grayscale.
Diffstat (limited to 'source/tools')
-rw-r--r--source/tools/mudraw.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/source/tools/mudraw.c b/source/tools/mudraw.c
index 79092d9c..198e47ce 100644
--- a/source/tools/mudraw.c
+++ b/source/tools/mudraw.c
@@ -316,7 +316,7 @@ static void drawpage(fz_context *ctx, fz_document *doc, int pagenum)
if (showfeatures)
{
int iscolor;
- dev = fz_new_test_device(ctx, &iscolor);
+ dev = fz_new_test_device(ctx, &iscolor, 0.02f);
if (list)
fz_run_display_list(list, dev, &fz_identity, &fz_infinite_rect, NULL);
else