arch/all-native/hidd/vga/bitmap.h

   1 /*
   2     Copyright © 1995-2015, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #ifndef _BITMAP_H
   7 #define _BITMAP_H
   8
   9 #include "vgahw.h"
  10 #include <hidd/graphics.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 extern OOP_AttrBase HiddVGABitMapAB;
  22
  23 enum {
  24     aoHidd_VGABitMap_Drawable,
  25
  26     num_Hidd_VGABitMap_Attrs
  27 };
  28
  29 #define aHidd_VGABitMap_Drawable        (HiddVGABitMapAB + aoHidd_VGABitMap_Drawable)
  30
  31
  32
  33 /* This structure is used for both onscreen and offscreen VGA bitmaps !! */
  34
  35 #define IS_BM_ATTR(attr, idx) ( ( (idx) = (attr) - HiddBitMapAttrBase) < num_Hidd_BitMap_Attrs)
  36 #define IS_VGABM_ATTR(attr, idx) ( ( (idx) = (attr) - HiddVGABitMapAB) < num_Hidd_VGABitMap_Attrs)
  37
  38
  39 /*
  40    This structure is used as instance data for both the
  41    onbitmap and offbitmap classes.
  42 */
  43
  44 struct bitmap_data
  45 {
  46     struct vgaHWRec     *Regs;          /* Registers */
  47     unsigned char       *VideoData;     /* Pointing to video data */
  48     unsigned int        width;          /* Width of bitmap */
  49     unsigned int        height;         /* Height of bitmap */
  50     unsigned int        bpr;            /* Bytes per row */
  51     unsigned int        disp_width;     /* Display width */
  52     unsigned int        disp_height;    /* Display height */
  53     int                 xoffset;        /* Logical screen offset */
  54     int                 yoffset;
  55     char                bpp;            /* bits per pixel */
  56     BOOL                disp;           /* !=0 - displayed */
  57 };
  58
  59 struct Box
  60 {
  61     int x1, y1;
  62     int x2, y2;
  63 };
  64
  65 VOID bitmap_clear(OOP_Class *, OOP_Object *, struct pHidd_BitMap_Clear *);
  66 BOOL bitmap_setcolors(OOP_Class *, OOP_Object *, struct pHidd_BitMap_SetColors *);
  67 VOID bitmap_putpixel(OOP_Class *, OOP_Object *, struct pHidd_BitMap_PutPixel *);
  68 HIDDT_Pixel bitmap_getpixel(OOP_Class *, OOP_Object *, struct pHidd_BitMap_GetPixel *);
  69 ULONG bitmap_drawpixel(OOP_Class *, OOP_Object *, struct pHidd_BitMap_DrawPixel *);
  70
  71 void vgaRefreshPixel(struct bitmap_data *data, unsigned int x, unsigned int y);
  72 void vgaRefreshArea(struct bitmap_data *, struct Box *);
  73 void vgaEraseArea(struct bitmap_data *, struct Box *);
  74
  75 #endif /* _BITMAP_H */