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#include <stdio.h>
#include <assert.h>
#include "ppm.h"
#include "nstring.h"
#include "ppmdfont.h"
static void
generateHeader(struct ppmd_fontHeader const fontHeader) {
fprintf(stdout, " {/* .header */\n");
fprintf(stdout, " {'p','p','m','d','f','o','n','t'},\n");
fprintf(stdout, " 0x%02x,\n", fontHeader.format);
fprintf(stdout, " %u,\n", fontHeader.characterCount);
fprintf(stdout, " %u\n", fontHeader.firstCodePoint);
fprintf(stdout, " }\n");
}
static void
generateGlyphCommand(struct ppmd_glyphCommand const glyphCommand) {
const char * verb;
switch (glyphCommand.verb) {
case CMD_NOOP: verb = "CMD_NOOP"; break;
case CMD_DRAWLINE: verb = "CMD_DRAWLINE"; break;
case CMD_MOVEPEN: verb = "CMD_MOVEPEN"; break;
}
fprintf(stdout, " {/* glyphCommand */ %s, %u, %u }\n",
verb, glyphCommand.x, glyphCommand.y);
}
static void
generateCommandTable(struct ppmd_glyph const glyph,
const char * const variableName) {
unsigned int commandNum;
fprintf(stdout, "struct ppmd_glyphCommand const %s[%u] = {\n",
variableName, glyph.header.commandCount);
for (commandNum = 0;
commandNum < glyph.header.commandCount;
++commandNum) {
generateGlyphCommand(glyph.commandList[commandNum]);
if (commandNum < glyph.header.commandCount-1)
fprintf(stdout, " ,\n");
}
}
static void
generateCommandTables(const struct ppmd_font * const fontP,
const char * const glyphTableVariableName) {
unsigned int relativeCodePoint;
for (relativeCodePoint = 0;
relativeCodePoint < fontP->header.characterCount;
++relativeCodePoint) {
if (fontP->glyphTable[relativeCodePoint].header.commandCount > 0) {
const char * commandTableVariableName;
asprintfN(&commandTableVariableName, "%s_cmd_%u",
glyphTableVariableName,
fontP->header.firstCodePoint + relativeCodePoint);
generateCommandTable(fontP->glyphTable[relativeCodePoint],
commandTableVariableName);
strfree(commandTableVariableName);
fprintf(stdout, "};\n");
fprintf(stdout, "\n");
}
}
}
static void
generateGlyph(
struct ppmd_glyph const glyph,
const char * const commandTableVariableName) {
fprintf(stdout, " { /* glyph */\n");
fprintf(stdout, " { /* header */ %u, %u, %u}\n",
glyph.header.commandCount,
glyph.header.skipBefore,
glyph.header.skipAfter
);
fprintf(stdout, " ,\n");
if (glyph.header.commandCount == 0)
fprintf(stdout, " NULL\n");
else
fprintf(stdout, " %s\n", commandTableVariableName);
fprintf(stdout, " }\n");
}
static void
generateGlyphTable(const struct ppmd_font * const fontP,
const char * const variableName) {
unsigned int relativeCodePoint;
generateCommandTables(fontP, variableName);
fprintf(stdout, "struct ppmd_glyph const %s[%u] = {\n",
variableName, fontP->header.characterCount);
for (relativeCodePoint = 0;
relativeCodePoint < fontP->header.characterCount;
++relativeCodePoint) {
const char * commandTableVariableName;
asprintfN(&commandTableVariableName, "%s_cmd_%u",
variableName,
fontP->header.firstCodePoint + relativeCodePoint);
generateGlyph(fontP->glyphTable[relativeCodePoint],
commandTableVariableName);
strfree(commandTableVariableName);
if (relativeCodePoint < fontP->header.characterCount - 1)
fprintf(stdout, " ,\n");
}
fprintf(stdout, "};\n");
fprintf(stdout, "\n");
}
static void
generateFont(const struct ppmd_font * const fontP,
const char * const fontVariableName,
const char * const glyphTableVariableName) {
fprintf(stdout, "struct ppmd_font const %s = {\n", fontVariableName);
generateHeader(fontP->header);
fprintf(stdout, " ,\n");
fprintf(stdout, " /* .glyphTable: */ %s\n", glyphTableVariableName);
fprintf(stdout, "};\n");
}
int
main(int argc, char **argv) {
const char fontVariableName[] = "ppmd_standardfont";
const struct ppmd_font * fontP;
const char * glyphTableVariableName;
ppm_init(&argc, argv);
ppmd_read_font(stdin, &fontP);
fprintf(stdout, "/* THIS FILE WAS GENERATED BY 'ppmdcfont' from a "
"ppmdfont file. */\n");
fprintf(stdout, "\n");
fprintf(stdout, "#include \"ppmdfont.h\"\n\n");
asprintfN(&glyphTableVariableName, "%s_glyphTable", fontVariableName);
generateGlyphTable(fontP, glyphTableVariableName);
fprintf(stdout, "\n");
generateFont(fontP, fontVariableName, glyphTableVariableName);
strfree(glyphTableVariableName);
ppmd_free_font(fontP);
return 0;
}
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