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606 lines
18 KiB
C
606 lines
18 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 "wincodecsdk.h"
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#include "wine/heap.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 VERSION_MAGIC2 0xdbc01002
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#define VALID_MAGIC(x) (((x) & 0xfffff000) == 0xdbc01000)
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#define TENSION_CONST (0.3)
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#define GIF_DISPOSE_UNSPECIFIED 0
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#define GIF_DISPOSE_DO_NOT_DISPOSE 1
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#define GIF_DISPOSE_RESTORE_TO_BKGND 2
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#define GIF_DISPOSE_RESTORE_TO_PREV 3
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COLORREF ARGB2COLORREF(ARGB color) DECLSPEC_HIDDEN;
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HBITMAP ARGB2BMP(ARGB color) DECLSPEC_HIDDEN;
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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) DECLSPEC_HIDDEN;
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extern REAL gdiplus_atan2(REAL dy, REAL dx) DECLSPEC_HIDDEN;
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extern GpStatus hresult_to_status(HRESULT res) DECLSPEC_HIDDEN;
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extern REAL units_to_pixels(REAL units, GpUnit unit, REAL dpi) DECLSPEC_HIDDEN;
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extern REAL pixels_to_units(REAL pixels, GpUnit unit, REAL dpi) DECLSPEC_HIDDEN;
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extern REAL units_scale(GpUnit from, GpUnit to, REAL dpi) DECLSPEC_HIDDEN;
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#define WineCoordinateSpaceGdiDevice ((GpCoordinateSpace)4)
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extern GpStatus gdi_transform_acquire(GpGraphics *graphics);
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extern GpStatus gdi_transform_release(GpGraphics *graphics);
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extern GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
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GpCoordinateSpace src_space, GpMatrix *matrix) DECLSPEC_HIDDEN;
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extern GpStatus gdip_transform_points(GpGraphics *graphics, GpCoordinateSpace dst_space,
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GpCoordinateSpace src_space, GpPointF *points, INT count) DECLSPEC_HIDDEN;
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extern GpStatus graphics_from_image(GpImage *image, GpGraphics **graphics) DECLSPEC_HIDDEN;
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extern GpStatus encode_image_png(GpImage *image, IStream* stream, GDIPCONST EncoderParameters* params) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_GetGraphicsContext(GpMetafile* metafile, GpGraphics **result) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_GetDC(GpMetafile* metafile, HDC *hdc) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_ReleaseDC(GpMetafile* metafile, HDC hdc) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_GraphicsClear(GpMetafile* metafile, ARGB color) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_FillRectangles(GpMetafile* metafile, GpBrush* brush,
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GDIPCONST GpRectF* rects, INT count) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_SetClipRect(GpMetafile* metafile,
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REAL x, REAL y, REAL width, REAL height, CombineMode mode) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_SetClipRegion(GpMetafile* metafile, GpRegion* region, CombineMode mode) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_SetPageTransform(GpMetafile* metafile, GpUnit unit, REAL scale) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_SetWorldTransform(GpMetafile* metafile, GDIPCONST GpMatrix* transform) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_ScaleWorldTransform(GpMetafile* metafile, REAL sx, REAL sy, MatrixOrder order) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_MultiplyWorldTransform(GpMetafile* metafile, GDIPCONST GpMatrix* matrix, MatrixOrder order) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_RotateWorldTransform(GpMetafile* metafile, REAL angle, MatrixOrder order) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_TranslateWorldTransform(GpMetafile* metafile, REAL dx, REAL dy, MatrixOrder order) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_ResetWorldTransform(GpMetafile* metafile) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_BeginContainer(GpMetafile* metafile, GDIPCONST GpRectF *dstrect,
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GDIPCONST GpRectF *srcrect, GpUnit unit, DWORD StackIndex) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_BeginContainerNoParams(GpMetafile* metafile, DWORD StackIndex) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_EndContainer(GpMetafile* metafile, DWORD StackIndex) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_SaveGraphics(GpMetafile* metafile, DWORD StackIndex) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_RestoreGraphics(GpMetafile* metafile, DWORD StackIndex) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_GraphicsDeleted(GpMetafile* metafile) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_DrawImagePointsRect(GpMetafile* metafile, GpImage *image,
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GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
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REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
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DrawImageAbort callback, VOID *callbackData) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_AddSimpleProperty(GpMetafile *metafile, SHORT prop, SHORT val) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_DrawPath(GpMetafile *metafile, GpPen *pen, GpPath *path) DECLSPEC_HIDDEN;
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extern GpStatus METAFILE_FillPath(GpMetafile *metafile, GpBrush *brush, GpPath *path) DECLSPEC_HIDDEN;
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extern void METAFILE_Free(GpMetafile *metafile) DECLSPEC_HIDDEN;
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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) DECLSPEC_HIDDEN;
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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) DECLSPEC_HIDDEN;
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extern void free_installed_fonts(void) DECLSPEC_HIDDEN;
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extern BOOL lengthen_path(GpPath *path, INT len) DECLSPEC_HIDDEN;
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extern DWORD write_region_data(const GpRegion *region, void *data) DECLSPEC_HIDDEN;
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extern DWORD write_path_data(GpPath *path, void *data) DECLSPEC_HIDDEN;
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extern GpStatus trace_path(GpGraphics *graphics, GpPath *path) DECLSPEC_HIDDEN;
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typedef struct region_element region_element;
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extern void delete_element(region_element *element) DECLSPEC_HIDDEN;
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extern GpStatus get_hatch_data(GpHatchStyle hatchstyle, const char **result) DECLSPEC_HIDDEN;
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static inline INT gdip_round(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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/* fg is premult, bg and return value are not */
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static inline ARGB color_over_fgpremult(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 == 0) return bg;
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bg_alpha = (((bg>>24)&0xff) * (0xff-fg_alpha)) / 0xff;
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a = bg_alpha + fg_alpha;
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b = ((bg&0xff)*bg_alpha + (fg&0xff)*0xff)/a;
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g = (((bg>>8)&0xff)*bg_alpha + ((fg>>8)&0xff)*0xff)/a;
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r = (((bg>>16)&0xff)*bg_alpha + ((fg>>16)&0xff)*0xff)/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) DECLSPEC_HIDDEN;
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extern const char *debugstr_pointf(const PointF* pt) DECLSPEC_HIDDEN;
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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) DECLSPEC_HIDDEN;
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extern GpStatus convert_pixels(INT width, INT 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, ColorPalette *palette) DECLSPEC_HIDDEN;
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extern PixelFormat apply_image_attributes(const GpImageAttributes *attributes, LPBYTE data,
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UINT width, UINT height, INT stride, ColorAdjustType type, PixelFormat fmt) DECLSPEC_HIDDEN;
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struct GpMatrix{
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REAL matrix[6];
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};
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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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GpMatrix transform;
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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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BOOL alpha_hdc;
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GpImage *image;
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ImageType image_type;
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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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REAL xres, yres;
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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; /* in device coords */
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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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INT origin_x, origin_y;
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INT gdi_transform_acquire_count, gdi_transform_save;
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GpMatrix gdi_transform;
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HRGN gdi_clip;
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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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GpBrushType bt;
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};
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struct GpHatch{
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GpBrush brush;
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GpHatchStyle 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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};
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struct GpPathGradient{
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GpBrush brush;
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GpPath* path;
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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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ARGB *surroundcolors;
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INT surroundcolorcount;
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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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GpMatrix transform;
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};
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struct GpLineGradient{
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GpBrush brush;
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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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GpMatrix transform;
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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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GpImageAttributes *imageattributes;
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BYTE *bitmap_bits; /* image bits converted to ARGB and run through imageattributes */
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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 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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CustomLineCapType type;
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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 GpAdjustableArrowCap{
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GpCustomLineCap cap;
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REAL middle_inset;
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REAL height;
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REAL width;
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};
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struct GpImage{
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IWICBitmapDecoder *decoder;
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ImageType type;
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GUID format;
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UINT flags;
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UINT frame_count, current_frame;
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ColorPalette *palette;
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REAL xres, yres;
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LONG busy;
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};
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#define EmfPlusObjectTableSize 64
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typedef enum EmfPlusObjectType
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{
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ObjectTypeInvalid,
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ObjectTypeBrush,
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ObjectTypePen,
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ObjectTypePath,
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ObjectTypeRegion,
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ObjectTypeImage,
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ObjectTypeFont,
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ObjectTypeStringFormat,
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ObjectTypeImageAttributes,
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ObjectTypeCustomLineCap,
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ObjectTypeMax = ObjectTypeCustomLineCap,
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} EmfPlusObjectType;
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/* Deserialized EmfPlusObject record. */
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struct emfplus_object {
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EmfPlusObjectType type;
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union {
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GpBrush *brush;
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GpPen *pen;
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GpPath *path;
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GpRegion *region;
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GpImage *image;
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GpFont *font;
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GpImageAttributes *image_attributes;
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void *object;
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} u;
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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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MetafileType metafile_type;
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HENHMETAFILE hemf;
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int preserve_hemf; /* if true, hemf belongs to the app and should not be deleted */
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/* recording */
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HDC record_dc;
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GpGraphics *record_graphics;
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BYTE *comment_data;
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DWORD comment_data_size;
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DWORD comment_data_length;
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IStream *record_stream;
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BOOL auto_frame; /* If true, determine the frame automatically */
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GpPointF auto_frame_min, auto_frame_max;
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DWORD next_object_id;
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/* playback */
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GpGraphics *playback_graphics;
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HDC playback_dc;
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GpPointF playback_points[3];
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GpRectF src_rect;
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HANDLETABLE *handle_table;
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int handle_count;
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XFORM gdiworldtransform;
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GpMatrix *world_transform;
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GpUnit page_unit;
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REAL page_scale;
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GpRegion *base_clip; /* clip region in device space for all metafile output */
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GpRegion *clip; /* clip region within the metafile */
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struct list containers;
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struct emfplus_object objtable[EmfPlusObjectTableSize];
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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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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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INT lockx, locky; /* X and Y coordinates of the rect when a bitmap is locked for writing. */
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IWICMetadataReader *metadata_reader; /* NULL if there is no metadata */
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UINT prop_count;
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PropertyItem *prop_item; /* cached image properties */
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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;
|
|
INT mapsize;
|
|
ColorMap *colormap;
|
|
};
|
|
|
|
enum imageattr_noop{
|
|
IMAGEATTR_NOOP_UNDEFINED,
|
|
IMAGEATTR_NOOP_SET,
|
|
IMAGEATTR_NOOP_CLEAR,
|
|
};
|
|
|
|
struct GpImageAttributes{
|
|
WrapMode wrap;
|
|
ARGB outside_color;
|
|
BOOL clamp;
|
|
struct color_key colorkeys[ColorAdjustTypeCount];
|
|
struct color_matrix colormatrices[ColorAdjustTypeCount];
|
|
struct color_remap_table colorremaptables[ColorAdjustTypeCount];
|
|
BOOL gamma_enabled[ColorAdjustTypeCount];
|
|
REAL gamma[ColorAdjustTypeCount];
|
|
enum imageattr_noop noop[ColorAdjustTypeCount];
|
|
};
|
|
|
|
struct GpFont{
|
|
GpFontFamily *family;
|
|
OUTLINETEXTMETRICW otm;
|
|
REAL emSize; /* in font units */
|
|
Unit unit;
|
|
};
|
|
|
|
extern const struct GpStringFormat default_drawstring_format DECLSPEC_HIDDEN;
|
|
|
|
struct GpStringFormat{
|
|
INT attr;
|
|
LANGID lang;
|
|
LANGID digitlang;
|
|
StringAlignment align;
|
|
StringTrimming trimming;
|
|
HotkeyPrefix hkprefix;
|
|
StringAlignment line_align;
|
|
StringDigitSubstitute digitsub;
|
|
INT tabcount;
|
|
REAL firsttab;
|
|
REAL *tabs;
|
|
CharacterRange *character_ranges;
|
|
INT range_count;
|
|
BOOL generic_typographic;
|
|
};
|
|
|
|
extern void init_generic_string_formats(void) DECLSPEC_HIDDEN;
|
|
extern void free_generic_string_formats(void) DECLSPEC_HIDDEN;
|
|
|
|
struct GpFontCollection{
|
|
GpFontFamily **FontFamilies;
|
|
INT count;
|
|
INT allocated;
|
|
};
|
|
|
|
struct GpFontFamily{
|
|
WCHAR FamilyName[LF_FACESIZE];
|
|
UINT16 em_height, ascent, descent, line_spacing; /* in font units */
|
|
int dpi;
|
|
};
|
|
|
|
/* internal use */
|
|
typedef enum RegionType
|
|
{
|
|
RegionDataRect = 0x10000000,
|
|
RegionDataPath = 0x10000001,
|
|
RegionDataEmptyRect = 0x10000002,
|
|
RegionDataInfiniteRect = 0x10000003,
|
|
} RegionType;
|
|
|
|
struct region_element
|
|
{
|
|
DWORD type; /* Rectangle, Path, SpecialRectangle, or CombineMode */
|
|
union
|
|
{
|
|
GpRectF rect;
|
|
GpPath *path;
|
|
struct
|
|
{
|
|
struct region_element *left; /* the original region */
|
|
struct region_element *right; /* what *left was combined with */
|
|
} combine;
|
|
} elementdata;
|
|
};
|
|
|
|
struct GpRegion{
|
|
DWORD num_children;
|
|
region_element node;
|
|
};
|
|
|
|
struct memory_buffer
|
|
{
|
|
const BYTE *buffer;
|
|
INT size, pos;
|
|
};
|
|
|
|
static inline void init_memory_buffer(struct memory_buffer *mbuf, const BYTE *buffer, INT size)
|
|
{
|
|
mbuf->buffer = buffer;
|
|
mbuf->size = size;
|
|
mbuf->pos = 0;
|
|
}
|
|
|
|
static inline const void *buffer_read(struct memory_buffer *mbuf, INT size)
|
|
{
|
|
if (mbuf->size - mbuf->pos >= size)
|
|
{
|
|
const void *data = mbuf->buffer + mbuf->pos;
|
|
mbuf->pos += size;
|
|
return data;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
typedef GpStatus (*gdip_format_string_callback)(HDC hdc,
|
|
GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
|
|
GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
|
|
INT lineno, const RectF *bounds, INT *underlined_indexes,
|
|
INT underlined_index_count, void *user_data);
|
|
|
|
GpStatus gdip_format_string(HDC hdc,
|
|
GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
|
|
GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, int ignore_empty_clip,
|
|
gdip_format_string_callback callback, void *user_data) DECLSPEC_HIDDEN;
|
|
|
|
void get_log_fontW(const GpFont *, GpGraphics *, LOGFONTW *) DECLSPEC_HIDDEN;
|
|
|
|
static inline BOOL image_lock(GpImage *image, BOOL *unlock)
|
|
{
|
|
LONG tid = GetCurrentThreadId(), owner_tid;
|
|
owner_tid = InterlockedCompareExchange(&image->busy, tid, 0);
|
|
*unlock = !owner_tid;
|
|
return !owner_tid || owner_tid==tid;
|
|
}
|
|
|
|
static inline void image_unlock(GpImage *image, BOOL unlock)
|
|
{
|
|
if (unlock) image->busy = 0;
|
|
}
|
|
|
|
#endif
|