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Add ensureAlpha op, adds alpha channel if missing #1153

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Lovell Fuller
2019-01-05 21:12:33 +00:00
parent 8e70579e47
commit 4c01a099ea
9 changed files with 84 additions and 0 deletions
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src/pipeline.h
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@@ -142,6 +142,7 @@ struct PipelineBaton {
VipsOperationBoolean bandBoolOp;
int extractChannel;
bool removeAlpha;
bool ensureAlpha;
VipsInterpretation colourspace;
int tileSize;
int tileOverlap;
@@ -237,6 +238,7 @@ struct PipelineBaton {
bandBoolOp(VIPS_OPERATION_BOOLEAN_LAST),
extractChannel(-1),
removeAlpha(false),
ensureAlpha(false),
colourspace(VIPS_INTERPRETATION_LAST),
tileSize(256),
tileOverlap(0),