| /* |
| * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include "awt.h" |
| #include "awt_image.h" |
| |
| extern "C" { |
| #include "img_colors.h" |
| } // extern "C" |
| |
| char *programname = "awt_makecube"; |
| |
| unsigned char cube[LOOKUPSIZE * LOOKUPSIZE * LOOKUPSIZE]; |
| |
| unsigned char reds[256], greens[256], blues[256], indices[256]; |
| int num_colors; |
| |
| PALETTEENTRY sysPal[256]; |
| |
| int sys2cmap[256]; |
| int cmap2sys[256]; |
| int error[256]; |
| |
| int cmapsize = 0; |
| int virtcubesize = 0; |
| int makecube_verbose = 0; |
| |
| void printPalette(char *label, HPALETTE hPal); |
| |
| void usage(char *errmsg) |
| { |
| fprintf(stderr, "%s\n", errmsg); |
| fprintf(stderr, "usage: %s [-cmapsize N] [-cubesize N]\n", programname); |
| fprintf(stderr, "\t-cmapsize N set the number of colors to allocate\n"); |
| fprintf(stderr, "\t in the colormap (2 <= N <= 256)\n"); |
| fprintf(stderr, "\t-cubesize N set the size of the cube of colors to\n"); |
| fprintf(stderr, " scan as potential entries in the cmap\n"); |
| fprintf(stderr, " (N must be a power of 2 and <= 32)\n"); |
| exit(1); |
| } |
| |
| void setsyscolor(int index, int red, int green, int blue) |
| { |
| if (index >= 0) { |
| if (sysPal[index].peFlags != 0) { |
| usage("Internal error: system palette conflict"); |
| } |
| } else { |
| for (int i = 0; i < 256; i++) { |
| if (sysPal[i].peFlags != 0) { |
| if (sysPal[i].peRed == red && |
| sysPal[i].peGreen == green && |
| sysPal[i].peBlue == blue) |
| { |
| // Already there. Ignore it. |
| return; |
| } |
| } else if (index < 0) { |
| index = i; |
| } |
| } |
| if (index < 0) { |
| usage("Internal error: ran out of system palette entries"); |
| } |
| } |
| sysPal[index].peRed = red; |
| sysPal[index].peGreen = green; |
| sysPal[index].peBlue = blue; |
| sysPal[index].peFlags = 1; |
| } |
| |
| void addcmapcolor(int red, int green, int blue) |
| { |
| for (int i = 0; i < num_colors; i++) { |
| if (red == reds[i] && green == greens[i] && blue == blues[i]) { |
| return; |
| } |
| } |
| if (num_colors >= cmapsize) { |
| usage("Internal error: more than cmapsize static colors defined"); |
| } |
| reds[num_colors] = red; |
| greens[num_colors] = green; |
| blues[num_colors] = blue; |
| num_colors++; |
| } |
| |
| int main(int argc, char **argv) |
| { |
| int i; |
| |
| programname = argv[0]; |
| |
| for (i = 1; i < argc; i++) { |
| if (strcmp(argv[i], "-cmapsize") == 0) { |
| if (i++ >= argc) { |
| usage("no argument to -cmapsize"); |
| } |
| cmapsize = atoi(argv[i]); |
| if (cmapsize <= 2 || cmapsize > 256) { |
| usage("colormap size must be between 2 and 256"); |
| } |
| } else if (strcmp(argv[1], "-cubesize") == 0) { |
| if (i++ >= argc) { |
| usage("no argument to -cubesize"); |
| } |
| virtcubesize = atoi(argv[i]); |
| if (virtcubesize == 0 || |
| (virtcubesize & (virtcubesize - 1)) != 0 || |
| virtcubesize > 32) |
| { |
| usage("cube size must by a power of 2 <= 32"); |
| } |
| } else if (strcmp(argv[i], "-verbose") == 0) { |
| makecube_verbose = 1; |
| } else { |
| usage("unknown argument"); |
| } |
| } |
| |
| if (cmapsize == 0) { |
| cmapsize = CMAPSIZE; |
| } |
| if (virtcubesize == 0) { |
| virtcubesize = VIRTCUBESIZE; |
| } |
| |
| if (0) { // For testing |
| HDC hDC = CreateDC("DISPLAY", NULL, NULL, NULL); |
| HPALETTE hPal = CreateHalftonePalette(hDC); |
| printPalette("Halftone palette for current display", hPal); |
| printPalette("Stock DEFAULT_PALETTE", (HPALETTE)GetStockObject(DEFAULT_PALETTE)); |
| BITMAPINFOHEADER bmInfo = { |
| sizeof(BITMAPINFOHEADER), 1, 1, 1, 8, BI_RGB, 0, 1000, 1000, 0, 0 |
| }; |
| HBITMAP hBitmap = CreateDIBitmap(hDC, &bmInfo, |
| 0, NULL, NULL, DIB_RGB_COLORS); |
| HDC hMemDC = CreateCompatibleDC(hDC); |
| SelectObject(hDC, hBitmap); |
| hPal = CreateHalftonePalette(hMemDC); |
| printPalette("Halftone palette for 8-bit DIBitmap", hPal); |
| exit(0); |
| } |
| |
| // Allocate Windows static system colors. |
| { |
| PALETTEENTRY palEntries[256]; |
| HPALETTE hPal = (HPALETTE)GetStockObject(DEFAULT_PALETTE); |
| int n = GetPaletteEntries(hPal, 0, 256, palEntries); |
| for (i = 0; i < n; i++) { |
| addcmapcolor(palEntries[i].peRed, |
| palEntries[i].peGreen, |
| palEntries[i].peBlue); |
| setsyscolor((i < n / 2) ? i : i + (256 - n), |
| palEntries[i].peRed, |
| palEntries[i].peGreen, |
| palEntries[i].peBlue); |
| } |
| } |
| |
| // Allocate java.awt.Color constant colors. |
| addcmapcolor( 0, 0, 0); // black |
| addcmapcolor(255, 255, 255); // white |
| addcmapcolor(255, 0, 0); // red |
| addcmapcolor( 0, 255, 0); // green |
| addcmapcolor( 0, 0, 255); // blue |
| addcmapcolor(255, 255, 0); // yellow |
| addcmapcolor(255, 0, 255); // magenta |
| addcmapcolor( 0, 255, 255); // cyan |
| addcmapcolor(192, 192, 192); // lightGray |
| addcmapcolor(128, 128, 128); // gray |
| addcmapcolor( 64, 64, 64); // darkGray |
| addcmapcolor(255, 175, 175); // pink |
| addcmapcolor(255, 200, 0); // orange |
| |
| img_makePalette(cmapsize, virtcubesize, LOOKUPSIZE, |
| 50.0f, 250.0f, |
| num_colors, TRUE, reds, greens, blues, cube); |
| |
| if (makecube_verbose) { |
| fprintf(stderr, "Calculated colormap:\n"); |
| for (i = 0; i < cmapsize; i++) { |
| fprintf(stderr, "%3d:(%3d,%3d,%3d) ", |
| i, reds[i], greens[i], blues[i]); |
| } |
| fprintf(stderr, "\n"); |
| } |
| |
| // Now simulate adding the halftone palette to the system |
| // palette to get an idea of palette ordering. |
| { |
| int cubevals[6] = {0, 44, 86, 135, 192, 255}; |
| for (int b = 0; b < 6; b++) { |
| for (int g = 0; g < 6; g++) { |
| for (int r = 0; r < 6; r++) { |
| setsyscolor(-1, cubevals[r], cubevals[g], cubevals[b]); |
| } |
| } |
| } |
| int grayvals[26] = { 0, 17, 24, 30, 37, 44, 52, 60, |
| 68, 77, 86, 95, 105, 114, 125, 135, |
| 146, 157, 168, 180, 192, 204, 216, 229, |
| 242, 255 }; |
| for (i = 0; i < 26; i++) { |
| setsyscolor(-1, grayvals[i], grayvals[i], grayvals[i]); |
| } |
| } |
| |
| if (makecube_verbose) { |
| fprintf(stderr, "System palette with simulated halftone palette:\n"); |
| for (i = 0; i < 256; i++) { |
| fprintf(stderr, "%3d:(%3d,%3d,%3d) ", |
| i, sysPal[i].peRed, sysPal[i].peGreen, sysPal[i].peBlue); |
| } |
| } |
| |
| if (makecube_verbose) { |
| HDC hDC = CreateDC("DISPLAY", NULL, NULL, NULL); |
| HPALETTE hPal = CreateHalftonePalette(hDC); |
| SelectPalette(hDC, hPal, FALSE); |
| RealizePalette(hDC); |
| PALETTEENTRY palEntries[256]; |
| int n = GetSystemPaletteEntries(hDC, 0, 256, palEntries); |
| fprintf(stderr, |
| "realized halftone palette reads back %d entries\n", n); |
| int broken = 0; |
| for (i = 0; i < 256; i++) { |
| char *msg1 = ""; |
| char *msg2 = ""; |
| if (palEntries[i].peRed != sysPal[i].peRed || |
| palEntries[i].peGreen != sysPal[i].peGreen || |
| palEntries[i].peBlue != sysPal[i].peBlue) |
| { |
| msg1 = "no sysPal match!"; |
| if (sysPal[i].peFlags == 0) { |
| msg2 = "(OK)"; |
| } else { |
| broken++; |
| } |
| } else if (sysPal[i].peFlags == 0) { |
| msg1 = "no sysPal entry..."; |
| } |
| fprintf(stderr, |
| "palEntries[%3d] = (%3d, %3d, %3d), flags = %d %s %s\n", |
| i, |
| palEntries[i].peRed, |
| palEntries[i].peGreen, |
| palEntries[i].peBlue, |
| palEntries[i].peFlags, msg1, msg2); |
| } |
| fprintf(stderr, "%d broken entries\n", broken); |
| } |
| |
| #if 0 |
| #define BIGERROR (255 * 255 * 255) |
| |
| for (i = 0; i < 256; i++) { |
| sys2cmap[i] = -1; |
| cmap2sys[i] = -1; |
| error[i] = BIGERROR; |
| // error[i] = -1 means cmap[i] is locked to cmap2sys[i] |
| // error[i] >= 0 means cmap[i] may lock to cmap2sys[i] on this run |
| } |
| |
| int nummapped; |
| int totalmapped = 0; |
| do { |
| int maxerror = BIGERROR; |
| for (i = 0; i < 256; i++) { |
| if (sysPal[i].peFlags == 0 || sys2cmap[i] >= 0) { |
| continue; |
| } |
| int red = sysPal[i].peRed; |
| int green = sysPal[i].peGreen; |
| int blue = sysPal[i].peBlue; |
| int e = maxerror; |
| int ix = -1; |
| for (int j = 0; j < 256; j++) { |
| if (error[j] < 0) { |
| continue; |
| } |
| int t = red - reds[j]; |
| int d = t * t; |
| t = green - greens[j]; |
| d += t * t; |
| t = blue - blues[j]; |
| d += t * t; |
| if (d < e) { |
| e = d; |
| ix = j; |
| } |
| } |
| if (ix >= 0) { |
| if (e < error[ix]) { |
| if (cmap2sys[ix] >= 0) { |
| // To be fair we will not accept any matches |
| // looser than this former match that we just |
| // displaced with a better match. |
| if (maxerror > error[ix]) { |
| maxerror = error[ix]; |
| } |
| sys2cmap[cmap2sys[ix]] = -1; |
| } |
| error[ix] = e; |
| sys2cmap[i] = ix; |
| cmap2sys[ix] = i; |
| } |
| } |
| } |
| nummapped = 0; |
| for (i = 0; i < 256; i++) { |
| if (error[i] >= 0) { |
| if (error[i] >= maxerror) { |
| // Throw this one back to be fair to a displaced entry. |
| error[i] = BIGERROR; |
| sys2cmap[cmap2sys[i]] = -1; |
| cmap2sys[i] = -1; |
| continue; |
| } |
| error[i] = -1; |
| nummapped++; |
| } |
| } |
| totalmapped += nummapped; |
| if (makecube_verbose) { |
| fprintf(stderr, "%3d colors mapped (%3d total), maxerror = %d\n", |
| nummapped, totalmapped, maxerror); |
| } |
| } while (nummapped != 0); |
| |
| for (i = 0; i < 256; i++) { |
| if (cmap2sys[i] < 0) { |
| for (int j = 0; j < 256; j++) { |
| if (sys2cmap[j] < 0) { |
| cmap2sys[i] = j; |
| sys2cmap[j] = i; |
| break; |
| } |
| } |
| if (j == 256) { |
| usage("Internal error: no unused system entry for cmap entry!\n"); |
| } |
| } |
| } |
| #else |
| for (i = 0; i < 256; i++) { |
| if (i < 10) { |
| sys2cmap[i] = i; |
| cmap2sys[i] = i; |
| } else if (i < 20) { |
| sys2cmap[256 - 20 + i] = i; |
| cmap2sys[i] = 256 - 20 + i; |
| } else { |
| sys2cmap[i - 10] = i; |
| cmap2sys[i] = i - 10; |
| } |
| } |
| #endif |
| |
| if (makecube_verbose) { |
| fprintf(stderr, "cmap2sys mapping: \n"); |
| for (i = 0; i < 256; i++) { |
| fprintf(stderr, "%4d", cmap2sys[i]); |
| if (sys2cmap[cmap2sys[i]] != i) { |
| usage("Internal error: bad system palette back pointer!\n"); |
| } |
| } |
| fprintf(stderr, "\n"); |
| } |
| |
| printf("unsigned char awt_reds[256] = {"); |
| for (i = 0; i < 256; i++) { |
| if ((i & 0xf) == 0) printf("\n\t"); |
| printf("%3d,", reds[sys2cmap[i]]); |
| } |
| printf("\n};\n"); |
| printf("unsigned char awt_greens[256] = {"); |
| for (i = 0; i < 256; i++) { |
| if ((i & 0xf) == 0) printf("\n\t"); |
| printf("%3d,", greens[sys2cmap[i]]); |
| } |
| printf("\n};\n"); |
| printf("unsigned char awt_blues[256] = {"); |
| for (i = 0; i < 256; i++) { |
| if ((i & 0xf) == 0) printf("\n\t"); |
| printf("%3d,", blues[sys2cmap[i]]); |
| } |
| printf("\n};\n"); |
| fflush(stdout); |
| return 0; |
| } |
| |
| void printPalette(char *label, HPALETTE hPal) |
| { |
| PALETTEENTRY palEntries[256]; |
| fprintf(stderr, "%s (0x%08x):\n", label, hPal); |
| int n = GetPaletteEntries(hPal, 0, 256, palEntries); |
| for (int i = 0; i < n; i++) { |
| fprintf(stderr, "palEntries[%3d] = (%3d, %3d, %3d), flags = %d\n", |
| i, |
| palEntries[i].peRed, |
| palEntries[i].peGreen, |
| palEntries[i].peBlue, |
| palEntries[i].peFlags); |
| } |
| } |
| |
| /* This helps eliminate any dependence on javai.dll at build time. */ |
| int |
| jio_fprintf (FILE *handle, const char *format, ...) |
| { |
| int len; |
| |
| va_list args; |
| va_start(args, format); |
| len = vfprintf(handle, format, args); |
| va_end(args); |
| |
| return len; |
| } |
