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Diffstat (limited to 'tools/gbagfx/jasc_pal.c')
-rw-r--r--tools/gbagfx/jasc_pal.c178
1 files changed, 93 insertions, 85 deletions
diff --git a/tools/gbagfx/jasc_pal.c b/tools/gbagfx/jasc_pal.c
index d003b7649..e5ba9c3c2 100644
--- a/tools/gbagfx/jasc_pal.c
+++ b/tools/gbagfx/jasc_pal.c
@@ -26,139 +26,147 @@
void ReadJascPaletteLine(FILE *fp, char *line)
{
- int c;
- int length = 0;
+ int c;
+ int length = 0;
- for (;;) {
- c = fgetc(fp);
+ for (;;)
+ {
+ c = fgetc(fp);
- if (c == '\r') {
- c = fgetc(fp);
+ if (c == '\r')
+ {
+ c = fgetc(fp);
- if (c != '\n')
- FATAL_ERROR("CR line endings aren't supported.\n");
+ if (c != '\n')
+ FATAL_ERROR("CR line endings aren't supported.\n");
- line[length] = 0;
+ line[length] = 0;
- return;
- }
+ return;
+ }
- if (c == '\n')
- FATAL_ERROR("LF line endings aren't supported.\n");
+ if (c == '\n')
+ FATAL_ERROR("LF line endings aren't supported.\n");
- if (c == EOF)
- FATAL_ERROR("Unexpected EOF. No CRLF at end of file.\n");
+ if (c == EOF)
+ FATAL_ERROR("Unexpected EOF. No CRLF at end of file.\n");
- if (c == 0)
- FATAL_ERROR("NUL character in file.\n");
+ if (c == 0)
+ FATAL_ERROR("NUL character in file.\n");
- if (length == MAX_LINE_LENGTH) {
- line[length] = 0;
- FATAL_ERROR("The line \"%s\" is too long.\n", line);
- }
+ if (length == MAX_LINE_LENGTH)
+ {
+ line[length] = 0;
+ FATAL_ERROR("The line \"%s\" is too long.\n", line);
+ }
- line[length++] = c;
- }
+ line[length++] = c;
+ }
}
void ReadJascPalette(char *path, struct Palette *palette)
{
- char line[MAX_LINE_LENGTH + 1];
+ char line[MAX_LINE_LENGTH + 1];
- FILE *fp = fopen(path, "rb");
+ FILE *fp = fopen(path, "rb");
- ReadJascPaletteLine(fp, line);
+ if (fp == NULL)
+ FATAL_ERROR("Failed to open JASC-PAL file \"%s\" for reading.\n", path);
- if (strcmp(line, "JASC-PAL") != 0)
- FATAL_ERROR("Invalid JASC-PAL signature.\n");
+ ReadJascPaletteLine(fp, line);
- ReadJascPaletteLine(fp, line);
+ if (strcmp(line, "JASC-PAL") != 0)
+ FATAL_ERROR("Invalid JASC-PAL signature.\n");
- if (strcmp(line, "0100") != 0)
- FATAL_ERROR("Unsuported JASC-PAL version.\n");
+ ReadJascPaletteLine(fp, line);
- ReadJascPaletteLine(fp, line);
+ if (strcmp(line, "0100") != 0)
+ FATAL_ERROR("Unsuported JASC-PAL version.\n");
- if (!ParseNumber(line, NULL, 10, &palette->numColors))
- FATAL_ERROR("Failed to parse number of colors.\n");
+ ReadJascPaletteLine(fp, line);
- if (palette->numColors < 1 || palette->numColors > 256)
- FATAL_ERROR("%d is an invalid number of colors. The number of colors must be in the range [1, 256].\n", palette->numColors);
+ if (!ParseNumber(line, NULL, 10, &palette->numColors))
+ FATAL_ERROR("Failed to parse number of colors.\n");
- for (int i = 0; i < palette->numColors; i++) {
- ReadJascPaletteLine(fp, line);
+ if (palette->numColors < 1 || palette->numColors > 256)
+ FATAL_ERROR("%d is an invalid number of colors. The number of colors must be in the range [1, 256].\n", palette->numColors);
- char *s = line;
- char *end;
+ for (int i = 0; i < palette->numColors; i++)
+ {
+ ReadJascPaletteLine(fp, line);
- int red;
- int green;
- int blue;
+ char *s = line;
+ char *end;
- if (!ParseNumber(s, &end, 10, &red))
- FATAL_ERROR("Failed to parse red color component.\n");
+ int red;
+ int green;
+ int blue;
- s = end;
+ if (!ParseNumber(s, &end, 10, &red))
+ FATAL_ERROR("Failed to parse red color component.\n");
- if (*s != ' ')
- FATAL_ERROR("Expected a space after red color component.\n");
+ s = end;
- s++;
+ if (*s != ' ')
+ FATAL_ERROR("Expected a space after red color component.\n");
- if (*s < '0' || *s > '9')
- FATAL_ERROR("Expected only a space between red and green color components.\n");
+ s++;
- if (!ParseNumber(s, &end, 10, &green))
- FATAL_ERROR("Failed to parse green color component.\n");
+ if (*s < '0' || *s > '9')
+ FATAL_ERROR("Expected only a space between red and green color components.\n");
- s = end;
+ if (!ParseNumber(s, &end, 10, &green))
+ FATAL_ERROR("Failed to parse green color component.\n");
- if (*s != ' ')
- FATAL_ERROR("Expected a space after green color component.\n");
+ s = end;
- s++;
+ if (*s != ' ')
+ FATAL_ERROR("Expected a space after green color component.\n");
- if (*s < '0' || *s > '9')
- FATAL_ERROR("Expected only a space between green and blue color components.\n");
+ s++;
- if (!ParseNumber(s, &end, 10, &blue))
- FATAL_ERROR("Failed to parse blue color component.\n");
+ if (*s < '0' || *s > '9')
+ FATAL_ERROR("Expected only a space between green and blue color components.\n");
- if (*end != 0)
- FATAL_ERROR("Garbage after blue color component.\n");
+ if (!ParseNumber(s, &end, 10, &blue))
+ FATAL_ERROR("Failed to parse blue color component.\n");
- if (red < 0 || red > 255)
- FATAL_ERROR("Red color component (%d) is outside the range [0, 255].\n", red);
+ if (*end != 0)
+ FATAL_ERROR("Garbage after blue color component.\n");
- if (green < 0 || green > 255)
- FATAL_ERROR("Green color component (%d) is outside the range [0, 255].\n", green);
+ if (red < 0 || red > 255)
+ FATAL_ERROR("Red color component (%d) is outside the range [0, 255].\n", red);
- if (blue < 0 || blue > 255)
- FATAL_ERROR("Blue color component (%d) is outside the range [0, 255].\n", blue);
+ if (green < 0 || green > 255)
+ FATAL_ERROR("Green color component (%d) is outside the range [0, 255].\n", green);
- palette->colors[i].red = red;
- palette->colors[i].green = green;
- palette->colors[i].blue = blue;
- }
+ if (blue < 0 || blue > 255)
+ FATAL_ERROR("Blue color component (%d) is outside the range [0, 255].\n", blue);
- if (fgetc(fp) != EOF)
- FATAL_ERROR("Garbage after color data.\n");
+ palette->colors[i].red = red;
+ palette->colors[i].green = green;
+ palette->colors[i].blue = blue;
+ }
- fclose(fp);
+ if (fgetc(fp) != EOF)
+ FATAL_ERROR("Garbage after color data.\n");
+
+ fclose(fp);
}
void WriteJascPalette(char *path, struct Palette *palette)
{
- FILE *fp = fopen(path, "wb");
+ FILE *fp = fopen(path, "wb");
- fputs("JASC-PAL\r\n", fp);
- fputs("0100\r\n", fp);
- fprintf(fp, "%d\r\n", palette->numColors);
+ fputs("JASC-PAL\r\n", fp);
+ fputs("0100\r\n", fp);
+ fprintf(fp, "%d\r\n", palette->numColors);
- for (int i = 0; i < palette->numColors; i++) {
- struct Color *color = &palette->colors[i];
- fprintf(fp, "%d %d %d\r\n", color->red, color->green, color->blue);
- }
+ for (int i = 0; i < palette->numColors; i++)
+ {
+ struct Color *color = &palette->colors[i];
+ fprintf(fp, "%d %d %d\r\n", color->red, color->green, color->blue);
+ }
- fclose(fp);
+ fclose(fp);
}
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