1 /*
   2  * Copyright (c) 1996, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #include "jni.h"
  27 #include "color.h"
  28 
  29 #if !defined(HEADLESS) && !defined(MACOSX)
  30 typedef struct {
  31     ImgConvertData cvdata;      /* The data needed by ImgConvertFcn's */
  32     struct Hsun_awt_image_ImageRepresentation *hJavaObject;     /* backptr */
  33     XID pixmap;                 /* The X11 pixmap containing the image */
  34     XID mask;                   /* The X11 pixmap with the transparency mask */
  35     int bgcolor;                /* The current bg color installed in pixmap */
  36 
  37     int depth;                  /* The depth of the destination image */
  38     int dstW;                   /* The width of the destination pixmap */
  39     int dstH;                   /* The height of the destination pixmap */
  40 
  41     XImage *xim;                /* The Ximage structure for the temp buffer */
  42     XImage *maskim;             /* The Ximage structure for the mask */
  43 
  44     int hints;                  /* The delivery hints from the producer */
  45 
  46     Region curpixels;           /* The region of randomly converted pixels */
  47     struct {
  48         int num;                /* The last fully delivered scanline */
  49         char *seen;             /* The lines which have been delivered */
  50     } curlines;                 /* For hints=COMPLETESCANLINES */
  51 } IRData;
  52 
  53 typedef unsigned int MaskBits;
  54 
  55 extern int image_Done(IRData *ird, int x1, int y1, int x2, int y2);
  56 
  57 extern void *image_InitMask(IRData *ird, int x1, int y1, int x2, int y2);
  58 
  59 #define BufComplete(cvdata, dstX1, dstY1, dstX2, dstY2)         \
  60     image_Done((IRData *) cvdata, dstX1, dstY1, dstX2, dstY2)
  61 
  62 #define SendRow(ird, dstY, dstX1, dstX2)
  63 
  64 #define ImgInitMask(cvdata, x1, y1, x2, y2)                     \
  65     image_InitMask((IRData *)cvdata, x1, y1, x2, y2)
  66 
  67 #define ScanBytes(cvdata)       (((IRData *)cvdata)->xim->bytes_per_line)
  68 
  69 #define MaskScan(cvdata)                                        \
  70         ((((IRData *)cvdata)->maskim->bytes_per_line) >> 2)
  71 
  72 #endif /* !HEADLESS && !MACOSX */
  73 
  74 #define MaskOffset(x)           ((x) >> 5)
  75 
  76 #define MaskInit(x)             (1U << (31 - ((x) & 31)))
  77 
  78 #define SetOpaqueBit(mask, bit)         ((mask) |= (bit))
  79 #define SetTransparentBit(mask, bit)    ((mask) &= ~(bit))
  80 
  81 #define UCHAR_ARG(uc)    ((unsigned char)(uc))
  82 #define ColorCubeFSMap(r, g, b) \
  83     cData->img_clr_tbl [    ((UCHAR_ARG(r)>>3)<<10) |                   \
  84                     ((UCHAR_ARG(g)>>3)<<5) | (UCHAR_ARG(b)>>3)]
  85 
  86 #define ColorCubeOrdMapSgn(r, g, b) \
  87     ((dstLockInfo.inv_cmap)[    ((UCHAR_ARG(r)>>3)<<10) |                   \
  88                     ((UCHAR_ARG(g)>>3)<<5) | (UCHAR_ARG(b)>>3)])
  89 
  90 #define GetPixelRGB(pixel, red, green, blue)                    \
  91     do {                                                        \
  92         ColorEntry *cp = &awt_Colors[pixel];                    \
  93         red = cp->r;                                            \
  94         green = cp->g;                                          \
  95         blue = cp->b;                                           \
  96     } while (0)
  97 
  98 #define CUBEMAP(r,g,b) ColorCubeOrdMapSgn(r, g, b)
  99 #define cubemapArray 1
 100 
 101 extern uns_ordered_dither_array img_oda_alpha;
 102 
 103 extern void freeICMColorData(ColorData *pData);
 104 
 105 JNIEXPORT void JNICALL
 106 initInverseGrayLut(int* prgb, int rgbsize, ColorData* cData);
 107 
 108 extern unsigned char* initCubemap(int* cmap, int cmap_len, int cube_dim);
 109 extern void initDitherTables(ColorData* cData);
 110 
 111 #define SET_CUBEMAPARRAY \
 112     lockInfo->inv_cmap = (const char*)lockInfo->colorData->img_clr_tbl