191 COMP_PREFIX ## G, COMP_PREFIX ## B)
192
193 #define Extract4ByteArgbCompsAndAlphaFromArgb(pixel, COMP_PREFIX) \
194 Extract3ByteRgbCompsAndAlphaFromArgb(pixel, COMP_PREFIX)
195
196 #define Extract1ByteGrayCompsAndAlphaFromArgb(pixel, COMP_PREFIX) \
197 do { \
198 int r, g, b; \
199 ExtractIntDcmComponents1234(pixel, COMP_PREFIX ## A, r, g, b); \
200 COMP_PREFIX ## G = ComposeByteGrayFrom3ByteRgb(r, g, b); \
201 } while (0)
202
203 #define Extract1ShortGrayCompsAndAlphaFromArgb(pixel, COMP_PREFIX) \
204 do { \
205 int r, g, b; \
206 ExtractIntDcmComponents1234(pixel, COMP_PREFIX ## A, r, g, b); \
207 COMP_PREFIX ## G = ComposeUshortGrayFrom3ByteRgb(r, g, b); \
208 COMP_PREFIX ## A = (COMP_PREFIX ## A << 8) + COMP_PREFIX ## A; \
209 } while (0)
210
211 #endif /* IntArgb_h_Included */
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191 COMP_PREFIX ## G, COMP_PREFIX ## B)
192
193 #define Extract4ByteArgbCompsAndAlphaFromArgb(pixel, COMP_PREFIX) \
194 Extract3ByteRgbCompsAndAlphaFromArgb(pixel, COMP_PREFIX)
195
196 #define Extract1ByteGrayCompsAndAlphaFromArgb(pixel, COMP_PREFIX) \
197 do { \
198 int r, g, b; \
199 ExtractIntDcmComponents1234(pixel, COMP_PREFIX ## A, r, g, b); \
200 COMP_PREFIX ## G = ComposeByteGrayFrom3ByteRgb(r, g, b); \
201 } while (0)
202
203 #define Extract1ShortGrayCompsAndAlphaFromArgb(pixel, COMP_PREFIX) \
204 do { \
205 int r, g, b; \
206 ExtractIntDcmComponents1234(pixel, COMP_PREFIX ## A, r, g, b); \
207 COMP_PREFIX ## G = ComposeUshortGrayFrom3ByteRgb(r, g, b); \
208 COMP_PREFIX ## A = (COMP_PREFIX ## A << 8) + COMP_PREFIX ## A; \
209 } while (0)
210
211 /*
212 * DeclareAndInit ## TYPE ## SrcOverDstBlendFactor
213 * Declares and initializes the appropriate blend factor to be used for
214 * blending destination color components with source color.
215 */
216 #define DeclareAndInitIntArgbSrcOverDstBlendFactor(dF, dA, PREFIX) \
217 jint PREFIX = dA;
218
219 #endif /* IntArgb_h_Included */
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