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Diffstat (limited to 'src/win32/cdwin.h')
| -rw-r--r-- | src/win32/cdwin.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/src/win32/cdwin.h b/src/win32/cdwin.h new file mode 100644 index 0000000..1f4434f --- /dev/null +++ b/src/win32/cdwin.h @@ -0,0 +1,181 @@ +/** \file + * \brief Windows Base Driver + * + * See Copyright Notice in cd.h + */ + +#ifndef __CDWIN_H +#define __CDWIN_H + +#include <windows.h> +#include "cd.h" +#include "cd_private.h" + +#ifdef __cplusplus +extern "C" { +#endif + + + +/* Contexto de cada imagem no servidor */ +struct _cdCtxImage +{ + HDC hDC; /* handle para o contexto de imagem na memoria */ + HBITMAP hBitmap; /* handle para o bitmap associado */ + HBITMAP hOldBitmap; /* handle para o bitmap associado inicialmente */ + int w; /* largura da imagem */ + int h; /* altura da imagem */ + double w_mm, h_mm; /* size in mm */ + double xres, yres; /* resolution in pixels/mm */ + int bpp; + + void* rgba_dib; /* used by 32 bpp to set alpha before putimage */ + unsigned char* alpha; /* the alpha values must be stored here */ +}; + +/* Contexto de cada canvas (CanvasContext). */ +struct _cdCtxCanvas +{ + cdCanvas* canvas; + + HWND hWnd; /* handle para janela */ + HDC hDC; /* contexto gr'afico para janela */ + int release_dc; + + COLORREF fg, bg; /* foreground, backgound */ + + LOGPEN logPen; /* pena logica - struct com tipo, cor,... */ + HPEN hPen; /* handle para a pena corrente */ + HPEN hNullPen; /* handle da pena que nao desenha nada */ + HPEN hOldPen; /* pena anterior selecionado */ + int rebuild_pen; + + LOGBRUSH logBrush; /* pincel l'ogico - struct com tipo, cor,... */ + HBRUSH hBrush; /* handle para o pincel corrente */ + HBRUSH hOldBrush; /* brush anterior selecionado */ + HBRUSH hBkBrush; /* handle para o pincel com a cor de fundo */ + + HDC hDCMemPat; + HBITMAP hOldBitmapPat,hBitmapPat; + + HDC hDCMemStip; + HBITMAP hOldBitmapStip,hBitmapStip; + + HFONT hFont; /* handle para o fonte corrente */ + HFONT hOldFont; + + int font_angle; + + float rotate_angle; + int rotate_center_x, + rotate_center_y; + + struct + { + int max_width; + int height; + int ascent; + int descent; + } font; + + POINT *clip_pnt; /* coordenadas do pixel no X,Y */ + int clip_pnt_n; /* numero de pontos correntes */ + HRGN clip_hrgn; + + HRGN new_rgn; + + HPALETTE hPal, hOldPal; /* handle para a paleta corrente */ + LOGPALETTE* pLogPal; /* paleta logica do canvas */ + + char *filename; /* Nome do arquivo para WMF */ + int wtype; /* Flag indicando qual o tipo de superficie */ + + HBITMAP hBitmapClip, hOldBitmapClip; /* Bitmap para copiar para clipboard */ + BITMAPINFO bmiClip; + BYTE* bitsClip; + DWORD RopBlt; /* Raster Operation for bitmaps */ + int isOwnedDC; /* usado pelo Native canvas */ + + BYTE* dib_bits; + int bits_size; + + cdImage* image_dbuffer; /* utilizado pelo driver de Double buffer */ + cdCanvas* canvas_dbuffer; + + HBITMAP img_mask; /* used by PutImage with mask and rotation and transparency */ + + POINT img_points[3]; + int use_img_points; + + char fill_attrib[2]; + + int img_format; + unsigned char* img_alpha; +}; + +enum{CDW_WIN, CDW_BMP, CDW_WMF, CDW_EMF}; + +/* Cria um canvas no driver Windows e inicializa valores default */ +cdCtxCanvas *cdwCreateCanvas(cdCanvas* canvas, HWND hWnd, HDC hDC, int wtype); +void cdwInitTable(cdCanvas* canvas); +void cdwRestoreDC(cdCtxCanvas *ctxcanvas); + +/* Remove valores comuns do driver Windows, deve ser chamado por todos os drivers */ +void cdwKillCanvas(cdCtxCanvas* canvas); + + +/* implemented in the wmfmeta.c module */ +void wmfMakePlaceableMetafile(HMETAFILE hmf, char* filename, int w, int h); +void wmfWritePlacebleFile(HANDLE hFile, char* buffer, DWORD dwSize, LONG mm, LONG xExt, LONG yExt); + +/* implemented in the wmf_emf.c module */ +int cdplayWMF(cdCanvas* canvas, int xmin, int xmax, int ymin, int ymax, void *data); +int cdregistercallbackWMF(int cb, cdCallback func); +int cdplayEMF(cdCanvas* canvas, int xmin, int xmax, int ymin, int ymax, void *data); +int cdregistercallbackEMF(int cb, cdCallback func); + +/* Estrutura que descreve um DIB. The secondary members are pointers to the main dib pointer. */ +typedef struct _cdwDIB +{ + BYTE* dib; /* The DIB as it is defined */ + BITMAPINFO* bmi; /* Bitmap Info = Bitmap Info Header + Palette*/ + BITMAPINFOHEADER* bmih; /* Bitmap Info Header */ + RGBQUAD* bmic; /* Palette */ + BYTE* bits; /* Bitmap Bits */ + int w; + int h; + int type; /* RGB = 0 or MAP = 1 or RGBA = 2 (dib section only) */ +} cdwDIB; + +enum {CDW_RGB, CDW_MAP, CDW_RGBA}; + +int cdwCreateDIB(cdwDIB* dib); +void cdwKillDIB(cdwDIB* dib); + +HANDLE cdwCreateCopyHDIB(BITMAPINFO* bmi, BYTE* bits); +void cdwDIBReference(cdwDIB* dib, BYTE* bmi, BYTE* bits); +int cdwCreateDIBRefBuffer(cdwDIB* dib, unsigned char* *bits, int *size); +void cdwCreateDIBRefBits(cdwDIB* dib, unsigned char *bits); +HBITMAP cdwCreateDIBSection(cdwDIB* dib, HDC hDC); + +HPALETTE cdwDIBLogicalPalette(cdwDIB* dib); + +/* copy from DIB */ +void cdwDIBDecodeRGB(cdwDIB* dib, unsigned char *red, unsigned char *green, unsigned char *blue); +void cdwDIBDecodeMap(cdwDIB* dib, unsigned char *index, long *colors); + +/* copy to DIB */ +void cdwDIBEncodePattern(cdwDIB* dib, const long int *colors); +void cdwDIBEncodeMapRect(cdwDIB* dib, const unsigned char *index, const long int *colors, int xi, int yi, int wi, int hi); +void cdwDIBEncodeRGBRect(cdwDIB* dib, const unsigned char *red, const unsigned char *green, const unsigned char *blue, int xi, int yi, int wi, int hi); +void cdwDIBEncodeRGBARect(cdwDIB* dib, const unsigned char *red, const unsigned char *green, const unsigned char *blue, const unsigned char *alpha, int xi, int yi, int wi, int hi); +void cdwDIBEncodeRGBARectZoom(cdwDIB* dib, const unsigned char *red, const unsigned char *green, const unsigned char *blue, const unsigned char *alpha, int w, int h, int xi, int yi, int wi, int hi); +void cdwDIBEncodeAlphaRect(cdwDIB* dib, const unsigned char *alpha, int xi, int yi, int wi, int hi); + + +#ifdef __cplusplus +} +#endif + +#endif /* ifndef CDWIN_H */ + |