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https://github.com/reactos/reactos.git
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398 lines
9.3 KiB
C
398 lines
9.3 KiB
C
/*
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* Copyright (C) 2007 Google (Evan Stade)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __WINE_GP_PRIVATE_H_
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#define __WINE_GP_PRIVATE_H_
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#include <math.h>
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#include <stdarg.h>
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#include "windef.h"
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#include "wingdi.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "objbase.h"
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#include "ocidl.h"
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#include "wine/list.h"
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#include "gdiplus.h"
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#define GP_DEFAULT_PENSTYLE (PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT | PS_JOIN_MITER)
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#define MAX_ARC_PTS (13)
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#define MAX_DASHLEN (16) /* this is a limitation of gdi */
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#define INCH_HIMETRIC (2540)
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#define VERSION_MAGIC 0xdbc01001
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#define TENSION_CONST (0.3)
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COLORREF ARGB2COLORREF(ARGB color);
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HBITMAP ARGB2BMP(ARGB color);
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extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
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REAL startAngle, REAL sweepAngle);
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extern REAL gdiplus_atan2(REAL dy, REAL dx);
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extern GpStatus hresult_to_status(HRESULT res);
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extern REAL convert_unit(REAL logpixels, GpUnit unit);
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extern GpStatus graphics_from_image(GpImage *image, GpGraphics **graphics);
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extern void calc_curve_bezier(CONST GpPointF *pts, REAL tension, REAL *x1,
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REAL *y1, REAL *x2, REAL *y2);
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extern void calc_curve_bezier_endp(REAL xend, REAL yend, REAL xadj, REAL yadj,
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REAL tension, REAL *x, REAL *y);
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extern void free_installed_fonts(void);
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extern BOOL lengthen_path(GpPath *path, INT len);
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extern GpStatus trace_path(GpGraphics *graphics, GpPath *path);
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typedef struct region_element region_element;
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extern void delete_element(region_element *element);
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static inline INT roundr(REAL x)
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{
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return (INT) floorf(x + 0.5);
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}
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static inline INT ceilr(REAL x)
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{
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return (INT) ceilf(x);
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}
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static inline REAL deg2rad(REAL degrees)
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{
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return M_PI * degrees / 180.0;
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}
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static inline ARGB color_over(ARGB bg, ARGB fg)
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{
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BYTE b, g, r, a;
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BYTE bg_alpha, fg_alpha;
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fg_alpha = (fg>>24)&0xff;
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if (fg_alpha == 0xff) return fg;
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if (fg_alpha == 0) return bg;
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bg_alpha = (((bg>>24)&0xff) * (0xff-fg_alpha)) / 0xff;
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if (bg_alpha == 0) return fg;
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a = bg_alpha + fg_alpha;
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b = ((bg&0xff)*bg_alpha + (fg&0xff)*fg_alpha)/a;
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g = (((bg>>8)&0xff)*bg_alpha + ((fg>>8)&0xff)*fg_alpha)/a;
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r = (((bg>>16)&0xff)*bg_alpha + ((fg>>16)&0xff)*fg_alpha)/a;
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return (a<<24)|(r<<16)|(g<<8)|b;
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}
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extern const char *debugstr_rectf(CONST RectF* rc);
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extern const char *debugstr_pointf(CONST PointF* pt);
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extern void convert_32bppARGB_to_32bppPARGB(UINT width, UINT height,
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BYTE *dst_bits, INT dst_stride, const BYTE *src_bits, INT src_stride);
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extern GpStatus convert_pixels(UINT width, UINT height,
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INT dst_stride, BYTE *dst_bits, PixelFormat dst_format,
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INT src_stride, const BYTE *src_bits, PixelFormat src_format, ARGB *src_palette);
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struct GpPen{
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UINT style;
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GpUnit unit;
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REAL width;
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GpLineCap endcap;
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GpLineCap startcap;
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GpDashCap dashcap;
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GpCustomLineCap *customstart;
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GpCustomLineCap *customend;
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GpLineJoin join;
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REAL miterlimit;
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GpDashStyle dash;
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REAL *dashes;
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INT numdashes;
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REAL offset; /* dash offset */
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GpBrush *brush;
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GpPenAlignment align;
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};
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struct GpGraphics{
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HDC hdc;
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HWND hwnd;
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BOOL owndc;
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GpImage *image;
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SmoothingMode smoothing;
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CompositingQuality compqual;
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InterpolationMode interpolation;
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PixelOffsetMode pixeloffset;
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CompositingMode compmode;
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TextRenderingHint texthint;
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GpUnit unit; /* page unit */
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REAL scale; /* page scale */
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GpMatrix * worldtrans; /* world transform */
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BOOL busy; /* hdc handle obtained by GdipGetDC */
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GpRegion *clip;
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UINT textcontrast; /* not used yet. get/set only */
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struct list containers;
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GraphicsContainer contid; /* last-issued container ID */
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/* For giving the caller an HDC when we technically can't: */
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HBITMAP temp_hbitmap;
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int temp_hbitmap_width;
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int temp_hbitmap_height;
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BYTE *temp_bits;
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HDC temp_hdc;
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};
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struct GpBrush{
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HBRUSH gdibrush;
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GpBrushType bt;
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LOGBRUSH lb;
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};
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struct GpHatch{
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GpBrush brush;
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HatchStyle hatchstyle;
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ARGB forecol;
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ARGB backcol;
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};
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struct GpSolidFill{
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GpBrush brush;
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ARGB color;
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HBITMAP bmp;
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};
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struct GpPathGradient{
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GpBrush brush;
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PathData pathdata;
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ARGB centercolor;
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GpWrapMode wrap;
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BOOL gamma;
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GpPointF center;
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GpPointF focus;
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REAL* blendfac; /* blend factors */
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REAL* blendpos; /* blend positions */
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INT blendcount;
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};
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struct GpLineGradient{
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GpBrush brush;
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GpPointF startpoint;
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GpPointF endpoint;
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ARGB startcolor;
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ARGB endcolor;
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RectF rect;
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GpWrapMode wrap;
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BOOL gamma;
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REAL* blendfac; /* blend factors */
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REAL* blendpos; /* blend positions */
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INT blendcount;
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ARGB* pblendcolor; /* preset blend colors */
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REAL* pblendpos; /* preset blend positions */
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INT pblendcount;
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};
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struct GpTexture{
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GpBrush brush;
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GpMatrix *transform;
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GpImage *image;
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WrapMode wrap; /* not used yet */
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};
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struct GpPath{
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GpFillMode fill;
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GpPathData pathdata;
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BOOL newfigure; /* whether the next drawing action starts a new figure */
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INT datalen; /* size of the arrays in pathdata */
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};
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struct GpMatrix{
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REAL matrix[6];
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};
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struct GpPathIterator{
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GpPathData pathdata;
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INT subpath_pos; /* for NextSubpath methods */
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INT marker_pos; /* for NextMarker methods */
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INT pathtype_pos; /* for NextPathType methods */
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};
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struct GpCustomLineCap{
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GpPathData pathdata;
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BOOL fill; /* TRUE for fill, FALSE for stroke */
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GpLineCap cap; /* as far as I can tell, this value is ignored */
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REAL inset; /* how much to adjust the end of the line */
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GpLineJoin join;
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REAL scale;
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};
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struct GpAdustableArrowCap{
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GpCustomLineCap cap;
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};
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struct GpImage{
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IPicture* picture;
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ImageType type;
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GUID format;
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UINT flags;
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UINT palette_flags;
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UINT palette_count;
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UINT palette_size;
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ARGB *palette_entries;
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REAL xres, yres;
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};
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struct GpMetafile{
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GpImage image;
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GpRectF bounds;
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GpUnit unit;
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};
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struct GpBitmap{
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GpImage image;
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INT width;
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INT height;
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PixelFormat format;
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ImageLockMode lockmode;
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INT numlocks;
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BYTE *bitmapbits; /* pointer to the buffer we passed in BitmapLockBits */
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HBITMAP hbitmap;
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HDC hdc;
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BYTE *bits; /* actual image bits if this is a DIB */
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INT stride; /* stride of bits if this is a DIB */
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BYTE *own_bits; /* image bits that need to be freed with this object */
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};
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struct GpCachedBitmap{
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GpImage *image;
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};
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struct color_key{
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BOOL enabled;
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ARGB low;
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ARGB high;
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};
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struct color_matrix{
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BOOL enabled;
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ColorMatrixFlags flags;
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ColorMatrix colormatrix;
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ColorMatrix graymatrix;
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};
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struct color_remap_table{
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BOOL enabled;
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INT mapsize;
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GDIPCONST ColorMap *colormap;
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};
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struct GpImageAttributes{
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WrapMode wrap;
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ARGB outside_color;
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BOOL clamp;
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struct color_key colorkeys[ColorAdjustTypeCount];
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struct color_matrix colormatrices[ColorAdjustTypeCount];
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struct color_remap_table colorremaptables[ColorAdjustTypeCount];
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BOOL gamma_enabled[ColorAdjustTypeCount];
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REAL gamma[ColorAdjustTypeCount];
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};
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struct GpFont{
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LOGFONTW lfw;
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REAL emSize;
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UINT height;
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LONG line_spacing;
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Unit unit;
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};
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struct GpStringFormat{
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INT attr;
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LANGID lang;
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LANGID digitlang;
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StringAlignment align;
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StringTrimming trimming;
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HotkeyPrefix hkprefix;
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StringAlignment vertalign;
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StringDigitSubstitute digitsub;
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INT tabcount;
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REAL firsttab;
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REAL *tabs;
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CharacterRange *character_ranges;
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INT range_count;
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};
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struct GpFontCollection{
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GpFontFamily **FontFamilies;
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INT count;
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INT allocated;
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};
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struct GpFontFamily{
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NEWTEXTMETRICW tmw;
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WCHAR FamilyName[LF_FACESIZE];
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};
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/* internal use */
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typedef enum RegionType
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{
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RegionDataRect = 0x10000000,
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RegionDataPath = 0x10000001,
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RegionDataEmptyRect = 0x10000002,
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RegionDataInfiniteRect = 0x10000003,
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} RegionType;
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struct region_element
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{
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DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
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union
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{
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GpRectF rect;
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struct
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{
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GpPath* path;
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struct
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{
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DWORD size;
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DWORD magic;
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DWORD count;
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DWORD flags;
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} pathheader;
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} pathdata;
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struct
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{
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struct region_element *left; /* the original region */
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struct region_element *right; /* what *left was combined with */
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} combine;
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} elementdata;
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};
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struct GpRegion{
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struct
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{
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DWORD size;
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DWORD checksum;
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DWORD magic;
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DWORD num_children;
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} header;
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region_element node;
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};
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#endif
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