[cairo-commit] CairoJava/jni CairoFreetypeFont.cpp,NONE,1.1

[Soorya Kuloor]

Committed by: skuloor

Update of /cvs/cairo/CairoJava/jni
In directory pdx:/tmp/cvs-serv13535/jni

Added Files:
	CairoFreetypeFont.cpp 
Log Message:
Initial Version

--- NEW FILE: CairoFreetypeFont.cpp ---
/*
 * $Id: Cairo.java,v 1.5 2003/12/23 17:36:01 skuloor Exp $
 * 
 * Copyright (C) 2003 Verano
 * 
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that copyright
 * notice and this permission notice appear in supporting documentation, and
 * that the name of Verano not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior permission.
 * Verano makes no representations about the suitability of this software for
 * any purpose. It is provided "as is" without express or implied warranty.
 * 
 * VERANO MAKES NO REPRESENTATIONS OR WARRANTIES OR COVENANTS, EITHER EXPRESS OR
 * IMPLIED, WITH RESPECT TO THIS SOFTWARE, INCLUDING WITHOUT LIMITATION,
 * STATUTORY OR IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY, FITNESS FOR
 * A PARTICULAR PURPOSE, TITLE, NON-INFRINGEMENT, OR ARISING FROM CUSTOM, COURSE
 * OF DEALING, USAGE OF TRADE OR COURSE OF PERFORMANCE, ALL OF WHICH ARE
 * EXPRESSLY DISCLAIMED TO THE FULLEST EXTENT ALLOWABLE BY APPLICABLE LAW. IN NO
 * EVENT SHALL VERANO BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 * SOFTWARE.
 */
 
#include <cairo.h>
#include "CairoFreetypeFont.h"
#include "utils.h"

static FT_Library ft_library;
static short ft_lib_init = 0;

/*
 * Class:     org_cairographics_cairo_CairoFreetypeFont
 * Method:    cairo_ft_font_create
 * Signature: (Ljava/lang/String;SS)J
 */
JNIEXPORT jlong JNICALL Java_org_cairographics_cairo_CairoFreetypeFont_cairo_1ft_1font_1create__Ljava_lang_String_2SS
(JNIEnv *env, jclass me, jstring family, jshort slant, jshort weight)
{
    const char *family_utf = env->GetStringUTFChars(family, NULL);
    cairo_font_t *font = NULL;
    FcPattern * pat = NULL;
    int fcslant;
    int fcweight;
    FT_Error error;

    pat = FcPatternCreate ();
    if (pat == NULL)
        return 0;

    switch (weight)
    {
    case CAIRO_FONT_WEIGHT_BOLD:
        fcweight = FC_WEIGHT_BOLD;
        break;
    case CAIRO_FONT_WEIGHT_NORMAL:
    default:
        fcweight = FC_WEIGHT_MEDIUM;
        break;
    }

    switch (slant)
    {
    case CAIRO_FONT_SLANT_ITALIC:
        fcslant = FC_SLANT_ITALIC;
        break;
    case CAIRO_FONT_SLANT_OBLIQUE:
	fcslant = FC_SLANT_OBLIQUE;
        break;
    case CAIRO_FONT_SLANT_NORMAL:
    default:
        fcslant = FC_SLANT_ROMAN;
        break;
    }

    FcPatternAddString (pat, FC_FAMILY, (const FcChar8*) family_utf);
    FcPatternAddInteger (pat, FC_SLANT, fcslant);
    FcPatternAddInteger (pat, FC_WEIGHT, fcweight);

    if (ft_lib_init == 0) {
        error = FT_Init_FreeType (&ft_library);
        if (error) {
            FcPatternDestroy (pat);
            return 0;
        }
        ft_lib_init = 1;
    }

    font = cairo_ft_font_create (ft_library, pat);
    if (font == NULL)
	return 0;

#define DOUBLE_TO_26_6(d) ((FT_F26Dot6)((d) * 64.0))

    FT_Set_Char_Size (cairo_ft_font_face(font),
                      DOUBLE_TO_26_6 (1.0),
                      DOUBLE_TO_26_6 (1.0),
                      0, 0);

  
    FcPatternDestroy (pat);
    env->ReleaseStringUTFChars(family, family_utf);
    return TO_LONG(font);  
}

/*
 * Class:     org_cairographics_cairo_CairoFreetypeFont
 * Method:    cairo_ft_font_create
 * Signature: (Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)J
 */
JNIEXPORT jlong JNICALL Java_org_cairographics_cairo_CairoFreetypeFont_cairo_1ft_1font_1create__Ljava_lang_String_2Ljava_lang_String_2Ljava_lang_String_2
(JNIEnv *env, jclass me, jstring family, jstring slant, jstring weight)
{
    const char *family_utf = env->GetStringUTFChars(family, NULL);
    const char *slant_utf =  env->GetStringUTFChars(slant, NULL);
    const char *weight_utf =  env->GetStringUTFChars(weight, NULL);
    cairo_font_t *font = NULL;
    FcPattern * pat = NULL;
    FT_Error error;

    char fontBuf[256];
    strcpy(fontBuf, family_utf);
    strcat(fontBuf, ":");
    strcat(fontBuf, weight_utf);
    strcat(fontBuf, ":");
    strcat(fontBuf, slant_utf);
    

    pat = FcNameParse ((const FcChar8*) fontBuf);
    if (pat == NULL)
        return 0;

    if (ft_lib_init == 0) {
        error = FT_Init_FreeType (&ft_library);
        if (error) {
            FcPatternDestroy (pat);
            return 0;
        }
        ft_lib_init = 1;
    }

    font = cairo_ft_font_create (ft_library, pat);
    if (font == NULL)
	return 0;

#define DOUBLE_TO_26_6(d) ((FT_F26Dot6)((d) * 64.0))

    FT_Set_Char_Size (cairo_ft_font_face(font),
                      DOUBLE_TO_26_6 (1.0),
                      DOUBLE_TO_26_6 (1.0),
                      0, 0);

  
    FcPatternDestroy (pat);
    env->ReleaseStringUTFChars(family, family_utf);
    env->ReleaseStringUTFChars(slant, slant_utf);
    env->ReleaseStringUTFChars(weight, weight_utf);
    return TO_LONG(font);  
}

#if 0
/*
 * Class:     org_cairographics_cairo_CairoFreetypeFont
 * Method:    cairo_ft_font_destroy
 * Signature: (J)V
 */
JNIEXPORT void JNICALL Java_org_cairographics_cairo_CairoFreetypeFont_cairo_1ft_1font_1destroy
(JNIEnv *env, jclass me, jlong fontp)
{
    cairo_ft_font_destroy(TO_PTR(cairo_font_t, fontp));
}
#endif