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Copy pathgd_pango.h
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176 lines (147 loc) · 4.74 KB
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/*
+----------------------------------------------------------------------+
| GD-Pango |
+----------------------------------------------------------------------+
| Copyright (c) 2006-2007 Pierre-Alain Joye |
+----------------------------------------------------------------------+
| This source file is subject to the New BSD license, That is bundled |
| with this package in the file LICENSE.NEWBSD, and is available |
| through the world-wide-web at |
| http://www.opensource.org/licenses/bsd-license.php |
| If you did not receive a copy of the new BSDlicense and are unable |
| to obtain it through the world-wide-web, please send a note to |
| pajoye@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Pierre-A. Joye <pierre@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
/**
* @file
* @brief Header file of gd-pango
*
* @author Pierre-Alain Joye
* @date 2006/12/19
* $Id$
*/
#ifndef GD_PANGO_H
#define GD_PANGO_H
#ifdef __cplusplus
extern "C" {
#endif
#define GD_SUCCESS 1
#define GD_FAILURE -1
#define GD_PANGO_DEFAULT_FONT_FAMILY Vera
#define GD_PANGO_DEFAULT_FONT_SIZE 10
/* TODO: Use GD DPI instead */
#define GD_PANGO_DEFAULT_DPI 96
#define _MAKE_FONT_NAME(family, size) #family " " #size
#define GD_PANGO_MAKE_FONT_NAME(family, size) _MAKE_FONT_NAME(family, size)
#define gdPangoColorToRGBA7888(pc) \
gdTrueColorAlpha(pc.red >> 8, \
pc.green >> 8, \
pc.blue >> 8, \
0)
enum {
GD_PANGO_ERROR_FC_FT,
GD_PANGO_ERROR_FC_PAT,
GD_PANGO_ERROR_FORMAT,
};
/**
* Defines a bounding box. Note that the box includes all of the corners.
*/
typedef struct { /* bounding box */
gdPoint bottom_left;
gdPoint bottom_right;
gdPoint top_right;
gdPoint top_left;
} gdBBox;
/**
* Defines a colors set. The foreground and background can be
* defined using a integer value returned by gdTrueColor(r,g,b).
* For example, you can use when you create a gdPangoContext.
*/
typedef struct gdPangoColors { /* colors definition */
unsigned int fg; /*!< Foreground color */
unsigned int bg; /*!< Background color */
unsigned int alp
8DF5
ha; /*!< General alpha component */
} gdPangoColors;
/**
* Defines a gd Pango context. Use gdPangoCreateContext to create a GD
* Context object. Different functions are provided to access its
* values, do not access it directly.
*/
typedef struct gdPangoContext { /* GD Pango Context */
PangoContext *context;
PangoFontMap *font_map;
PangoFontDescription *font_desc;
PangoMatrix *matrix;
PangoLayout *layout;
FT_Bitmap *ft2bmp;
gdPangoColors default_colors;
int min_width;
int min_height;
double angle;
} gdPangoContext;
extern int gdPangoInit(void);
extern int gdPangoIsInitialized(void);
extern gdPangoContext* gdPangoCreateContext(void);
extern void gdPangoFreeContext(gdPangoContext *context);
extern gdImagePtr gdPangoCreateSurfaceDraw(
gdPangoContext *context);
extern gdImagePtr gdPangoRenderTo(
gdPangoContext *context,
gdImagePtr surface,
int x, int y);
extern void gdPangoSetDpi(
gdPangoContext *context,
double dpi_x, double dpi_y);
extern void gdPangoSetMinimumSize(
gdPangoContext *context,
int width, int height);
extern void gdPangoSetDefaultColor(
gdPangoContext *context,
const gdPangoColors *colors);
extern int gdPangoGetLayoutWidth(
gdPangoContext *context);
extern int gdPangoGetLayoutHeight(
gdPangoContext *context);
extern void gdPangoSetMarkup(
gdPangoContext *context,
const char *markup,
const int length);
extern void gdPangoSetText(
gdPangoContext *context,
const char *markup,
int length);
extern void gdPangoSetBaseDirection(
gdPangoContext *context, PangoDirection pango_dir);
extern int gdPangoSetPangoFontDescriptionFromFile(
gdPangoContext *context, const char *fontlist, double ptsize, int *error);
#ifdef __FT2_BUILD_UNIX_H__
extern void gdPangoCopyFTBitmapToSurface(
const FT_Bitmap *bitmap,
gdImagePtr surface,
const gdPangoColors *colors,
gdRect *rect);
extern char *gdImageStringPangoFT(
gdImagePtr im,
gdBBox *bbox,
int fg,
char *fontlist,
double ptsize,
double angle,
int x,
int y,
char *string);
#endif /* __FT2_BUILD_UNIX_H__ */
#ifdef __PANGO_H__
extern PangoFontMap* gdPangoGetPangoFontMap(gdPangoContext *context);
extern PangoFontDescription* gdPangoGetPangoFontDescription(gdPangoContext *context);
extern PangoLayout* gdPangoGetPangoLayout(gdPangoContext *context);
extern PangoContext* gdPangoGetPangoContext(gdPangoContext *context);
#endif /* __PANGO_H__ */
#ifdef __cplusplus
}
#endif
#endif /* GD_PANGO_H */