arch/all-native/hidd/vgagfx/vgagfx_bitmap.h

   1 /*
   2     Copyright © 1995-2017, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #ifndef VGAGFX_BITMAP_H
   7 #define VGAGFX_BITMAP_H
   8
   9 #include "vgagfx_support.h"
  10 #include <hidd/gfx.h>
  11
  12 /*
  13    This attribute interface is common for both vga onscreen and offscreen bitmap
  14    classes, although they don't have a common superclass
  15 */
  16
  17 #define CLID_Hidd_BitMap_VGA "hidd.bitmap.vga"
  18 #define IID_Hidd_BitMap_VGA "hidd.bitmap.vga"
  19
  20 #define HiddVGABitMapAB __abHidd_VGABitMap
  21
  22 #ifndef __OOP_NOATTRBASES__
  23 extern OOP_AttrBase HiddVGABitMapAB;
  24 #endif
  25
  26 enum {
  27     aoHidd_VGABitMap_Drawable,
  28
  29     num_Hidd_VGABitMap_Attrs
  30 };
  31
  32 #define aHidd_VGABitMap_Drawable        (HiddVGABitMapAB + aoHidd_VGABitMap_Drawable)
  33
  34
  35
  36 /* This structure is used for both onscreen and offscreen VGA bitmaps !! */
  37
  38 #define IS_BM_ATTR(attr, idx) ( ( (idx) = (attr) - HiddBitMapAttrBase) < num_Hidd_BitMap_Attrs)
  39 #define IS_VGABM_ATTR(attr, idx) ( ( (idx) = (attr) - HiddVGABitMapAB) < num_Hidd_VGABitMap_Attrs)
  40
  41
  42 /*
  43    This structure is used as instance data for both the
  44    onbitmap and offbitmap classes.
  45 */
  46
  47 struct VGAGfxBitMapData
  48 {
  49     struct vgaHWRec     *Regs;          /* Registers */
  50     unsigned char       *VideoData;     /* Pointing to video data */
  51     unsigned int        width;          /* Width of bitmap */
  52     unsigned int        height;         /* Height of bitmap */
  53     unsigned int        bpr;            /* Bytes per row */
  54     unsigned int        disp_width;     /* Display width */
  55     unsigned int        disp_height;    /* Display height */
  56     int                 xoffset;        /* Logical screen offset */
  57     int                 yoffset;
  58     char                bpp;            /* bits per pixel */
  59     BOOL                disp;           /* !=0 - displayed */
  60 };
  61
  62 struct Box
  63 {
  64     int x1, y1;
  65     int x2, y2;
  66 };
  67
  68 VOID bitmap_clear(OOP_Class *, OOP_Object *, struct pHidd_BitMap_Clear *);
  69 BOOL bitmap_setcolors(OOP_Class *, OOP_Object *, struct pHidd_BitMap_SetColors *);
  70 VOID bitmap_putpixel(OOP_Class *, OOP_Object *, struct pHidd_BitMap_PutPixel *);
  71 HIDDT_Pixel bitmap_getpixel(OOP_Class *, OOP_Object *, struct pHidd_BitMap_GetPixel *);
  72 ULONG bitmap_drawpixel(OOP_Class *, OOP_Object *, struct pHidd_BitMap_DrawPixel *);
  73
  74 void vgaRefreshPixel(struct VGAGfxBitMapData *data, unsigned int x, unsigned int y);
  75 void vgaRefreshArea(struct VGAGfxBitMapData *, struct Box *);
  76 void vgaEraseArea(struct VGAGfxBitMapData *, struct Box *);
  77
  78 #endif /* VGAGFX_BITMAP_H */