From c306802ec260c30a2a22262d57deffa41dd990c4 Mon Sep 17 00:00:00 2001
From: Dana Jansens <danakj@orodu.net>
Date: Wed, 28 May 2003 16:47:22 +0000
Subject: [PATCH] can open/close fonts now

---
 glft/.cvsignore  |  2 ++
 glft/Makefile.am | 14 ++++++++++----
 glft/debug.c     | 11 +++++++++++
 glft/debug.h     |  6 ++++++
 glft/font.c      | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 glft/font.h      | 15 +++++++++++++++
 glft/glft.h      | 12 +++++++++++-
 glft/init.c      |  4 +++-
 glft/init.h      |  6 ++++++
 glft/test.c      | 17 +++++++++++++++--
 10 files changed, 125 insertions(+), 8 deletions(-)
 create mode 100644 glft/debug.c
 create mode 100644 glft/debug.h
 create mode 100644 glft/font.c
 create mode 100644 glft/font.h
 create mode 100644 glft/init.h

diff --git a/glft/.cvsignore b/glft/.cvsignore
index 9b06cfc4..fc1eb28d 100644
--- a/glft/.cvsignore
+++ b/glft/.cvsignore
@@ -5,3 +5,5 @@ Makefile
 libglft.la
 init.lo
 glfttest
+debug.lo
+font.lo
diff --git a/glft/Makefile.am b/glft/Makefile.am
index 16206dd3..e106496d 100644
--- a/glft/Makefile.am
+++ b/glft/Makefile.am
@@ -15,10 +15,16 @@ glfttest_LDFLAGS=-lglft -L.
 glfttest_SOURCES=test.c
 
 lib_LTLIBRARIES=libglft.la
-libglft_la_SOURCES=init.c
-
-
-noinst_HEADERS=glft.h
+libglft_la_SOURCES=\
+	init.c \
+	font.c \
+	debug.c
+
+noinst_HEADERS=\
+	glft.h \
+	font.h \
+	init.h \
+	debug.h
 
 MAINTAINERCLEANFILES=Makefile.in
 
diff --git a/glft/debug.c b/glft/debug.c
new file mode 100644
index 00000000..d93603de
--- /dev/null
+++ b/glft/debug.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <stdarg.h>
+
+void GlftDebug(char *a, ...)
+{
+#ifdef DEBUG
+    va_list vl;
+    va_start(vl, a);
+    vprintf(a, vl);
+#endif
+}
diff --git a/glft/debug.h b/glft/debug.h
new file mode 100644
index 00000000..a1afe8e4
--- /dev/null
+++ b/glft/debug.h
@@ -0,0 +1,6 @@
+#ifndef __glft_debug_h
+#define __glft_debug_h
+
+void GlftDebug(char *a, ...);
+
+#endif
diff --git a/glft/font.c b/glft/font.c
new file mode 100644
index 00000000..53c8d7cf
--- /dev/null
+++ b/glft/font.c
@@ -0,0 +1,46 @@
+#include "font.h"
+#include "glft.h"
+#include "init.h"
+#include "debug.h"
+#include <assert.h>
+#include <stdlib.h>
+
+struct GlftFont *GlftFontOpen(const char *name)
+{
+    struct GlftFont *font;
+    FcPattern *pat;
+    FcFontSet *set;
+    double alpha;
+
+    assert(init_done);
+
+    pat = FcNameParse((const unsigned char*)name);
+    assert(pat);
+    set = FcFontSetCreate();
+    if (!FcFontSetAdd(set, pat)) {
+        FcPatternDestroy(pat);
+        FcFontSetDestroy(set);
+        GlftDebug("failed to load font\n");
+        return NULL;
+    }
+    
+    font = malloc(sizeof(struct GlftFont));
+    font->set = set;
+    if (FcResultMatch != FcPatternGetBool(pat, "shadow", 0, &font->shadow))
+        font->shadow = FcFalse;
+    if (FcResultMatch !=
+        FcPatternGetInteger(pat, "shadowoffset", 0, &font->shadow_offset))
+        font->shadow_offset = 2;
+    if (FcResultMatch != FcPatternGetDouble(pat, "shadowalpha", 0, &alpha))
+        alpha = 0.5;
+    font->shadow_alpha = (float)alpha;
+    return font;
+}
+
+void GlftFontClose(struct GlftFont *font)
+{
+    if (font) {
+        FcFontSetDestroy(font->set);
+        free(font);
+    }
+}
diff --git a/glft/font.h b/glft/font.h
new file mode 100644
index 00000000..2eab714f
--- /dev/null
+++ b/glft/font.h
@@ -0,0 +1,15 @@
+#ifndef __glft_font_h
+#define __glft_font_h
+
+#include <fontconfig/fontconfig.h>
+
+struct GlftFont {
+    FcFontSet *set;
+
+    /* extended font attributes */
+    FcBool shadow;
+    int shadow_offset;
+    float shadow_alpha;
+};
+
+#endif
diff --git a/glft/glft.h b/glft/glft.h
index 2dd1377a..b8e4bccf 100644
--- a/glft/glft.h
+++ b/glft/glft.h
@@ -3,8 +3,18 @@
 
 #include <fontconfig/fontconfig.h>
 
-struct GlftFont;
+/* initialization */
 
 FcBool GlftInit();
 
+/* fonts */
+
+struct GlftFont;
+
+struct GlftFont *GlftFontOpen(const char *name);
+
+void GlftFontClose(struct GlftFont *font);
+
+/* rendering */
+
 #endif
diff --git a/glft/init.c b/glft/init.c
index 1162172e..bedd16c5 100644
--- a/glft/init.c
+++ b/glft/init.c
@@ -1,6 +1,8 @@
 #include "glft.h"
 
+FcBool init_done = 0;
+
 FcBool GlftInit()
 {
-    return FcInit();
+    return init_done = FcInit();
 }
diff --git a/glft/init.h b/glft/init.h
new file mode 100644
index 00000000..43fcb226
--- /dev/null
+++ b/glft/init.h
@@ -0,0 +1,6 @@
+#ifndef __glft_init_h
+#define __glft_init_h
+
+extern FcBool init_done;
+
+#endif
diff --git a/glft/test.c b/glft/test.c
index 9cf0c887..8b350104 100644
--- a/glft/test.c
+++ b/glft/test.c
@@ -1,6 +1,19 @@
 #include "glft.h"
+#include <stdio.h>
 
-int main()
+int main(int argc, char **argv)
 {
-    GlftInit();
+    struct GlftFont *font;
+
+    if (argc < 2) {
+        printf("Usage: %s fontname\n", argv[0]);
+        return 1;
+    }
+
+    if (!GlftInit()) return 1;
+
+    font = GlftFontOpen(argv[1]);
+    GlftFontClose(font);
+
+    return 0;
 }
-- 
2.34.1