diff options
Diffstat (limited to 'base/gstparam.h')
| -rw-r--r-- | base/gstparam.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/base/gstparam.h b/base/gstparam.h index 4de92bfb..e8aa4fb3 100644 --- a/base/gstparam.h +++ b/base/gstparam.h @@ -55,6 +55,17 @@ typedef enum { "HardLight", "Overlay", "SoftLight", "Luminosity", "Hue",\ "Saturation", "Color", "CompatibleOverprint", "Compatible" +#define blend_is_idempotent(B) \ + (((((1<<BLEND_MODE_Multiply) | \ + (1<<BLEND_MODE_Screen) | \ + (1<<BLEND_MODE_Overlay) | \ + (1<<BLEND_MODE_ColorDodge) | \ + (1<<BLEND_MODE_ColorBurn) | \ + (1<<BLEND_MODE_HardLight) | \ + (1<<BLEND_MODE_SoftLight) | \ + (1<<BLEND_MODE_Difference) | \ + (1<<BLEND_MODE_Exclusion)) >> (B)) & 1) == 0) + /* Define the parameter structure for a transparency group. */ /* (Update gs_trans_group_params_init if these change.) */ typedef struct gs_transparency_group_params_s { |