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comparison tools/lib64util.c @ 2208:90ec1ec89c56

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Revamp the palette handling in lib64gfx somewhat, add helper functions to lib64util for handling external palette file options and add support for specifying one of the "internal" palettes or external (.act) palette file to gfxconv and 64vw.
author Matti Hamalainen <ccr@tnsp.org>
date Fri, 14 Jun 2019 05:01:12 +0300
parents cbac4912992c
children fa5e74384d87
comparison
equal deleted inserted replaced
2207:1ea48084055e 2208:90ec1ec89c56
4 * (C) Copyright 2019 Tecnic Software productions (TNSP) 4 * (C) Copyright 2019 Tecnic Software productions (TNSP)
5 * 5 *
6 * Please read file 'COPYING' for information on license and distribution. 6 * Please read file 'COPYING' for information on license and distribution.
7 */ 7 */
8 #include "lib64util.h" 8 #include "lib64util.h"
9 #include "dmfile.h"
9 10
10 11
11 char * dmC64GetImageTypeString(char *buf, const size_t len, const int type, const BOOL lng) 12 char * dmC64GetImageTypeString(char *buf, const size_t len, const int type, const BOOL lng)
12 { 13 {
13 static const char *fmtModesShort[] = { "*", "HiR", "MC", "ECM" }; 14 static const char *fmtModesShort[] = { "*", "HiR", "MC", "ECM" };
102 "%-10s | %s\n", 103 "%-10s | %s\n",
103 pal->name, pal->desc); 104 pal->name, pal->desc);
104 } 105 }
105 fprintf(stdout, "\n"); 106 fprintf(stdout, "\n");
106 } 107 }
108
109
110 BOOL argHandleC64PaletteOption(char *optArg, DMC64Palette **ppal, char **palFile)
111 {
112 if (strcasecmp(optArg, "help") == 0 ||
113 strcasecmp(optArg, "list") == 0)
114 {
115 argShowC64PaletteHelp();
116 return FALSE;
117 }
118
119 for (int n = 0; n < ndmC64DefaultPalettes; n++)
120 {
121 DMC64Palette *pal = &dmC64DefaultPalettes[n];
122 if (strcasecmp(pal->name, optArg) == 0)
123 {
124 *ppal = pal;
125 return TRUE;
126 }
127 }
128
129 *palFile = optArg;
130 return TRUE;
131 }
132
133
134 int dmHandleExternalPalette(const char *filename, DMPalette **ppal)
135 {
136 DMResource *fp = NULL;
137 const DMImageFormat *ifmt = NULL;
138 const DMPaletteFormat *pfmt = NULL;
139 DMImage *inImage = NULL;
140 Uint8 *dataBuf = NULL;
141 size_t dataSize;
142 int index, res;
143
144 dmMsg(1, "Probing file '%s' for palette data.\n", filename);
145
146 if ((res = dmReadDataFile(NULL, filename, &dataBuf, &dataSize)) != DMERR_OK)
147 {
148 dmErrorMsg("No such palette '%s', and no such file found (%s).\n",
149 filename, dmErrorStr(res));
150 goto done;
151 }
152
153 if ((res = dmf_open_memio(NULL, filename, dataBuf, dataSize, &fp)) != DMERR_OK)
154 {
155 dmErrorMsg("Could not create MemIO handle for input.\n");
156 goto done;
157 }
158
159 if (dmImageProbeGeneric(dataBuf, dataSize, &ifmt, &index) > 0 &&
160 ifmt->read != NULL)
161 {
162 dmMsg(1, "Probed image format %s (%s)\n",
163 ifmt->name, ifmt->fext);
164
165 res = ifmt->read(fp, &inImage);
166 if (res != DMERR_OK)
167 {
168 dmErrorMsg("Could not read image file: %s\n",
169 dmErrorStr(res));
170 goto done;
171 }
172
173 res = dmPaletteCopy(ppal, inImage->pal);
174 }
175 else
176 if (dmPaletteProbeGeneric(dataBuf, dataSize, &pfmt, &index) > 0 &&
177 pfmt->read != NULL)
178 {
179 dmMsg(1, "Probed palette format %s (%s)\n",
180 pfmt->name, pfmt->fext);
181
182 res = pfmt->read(fp, ppal);
183 }
184 else
185 {
186 res = DMERR_NOT_SUPPORTED;
187 dmErrorMsg("Not an internal palette or recognized palette file '%s'.\n",
188 filename);
189 }
190
191 done:
192 dmf_close(fp);
193 dmImageFree(inImage);
194 dmFree(dataBuf);
195
196 return res;
197 }