2 Copyright © 2011-2016, The AROS Development Team.
6 #include <aros/debug.h>
8 #include <intuition/imageclass.h>
9 #include <graphics/rpattr.h>
10 #include <libraries/cybergraphics.h>
11 #include <proto/arossupport.h>
12 #include <proto/graphics.h>
13 #include <proto/cybergraphics.h>
14 #include <proto/layers.h>
15 #include <proto/exec.h>
17 #include <hidd/graphics.h>
21 #include "drawfuncs.h"
23 #define DECOR_USELINEBUFF
26 #define GET_A(rgb) ((rgb >> 24) & 0xff)
27 #define GET_R(rgb) ((rgb >> 16) & 0xff)
28 #define GET_G(rgb) ((rgb >> 8) & 0xff)
29 #define GET_B(rgb) (rgb & 0xff)
30 #define SET_ARGB(a, r, g, b) (a << 24 | r << 16 | g << 8 | b)
32 #define GET_A(rgb) (rgb & 0xff)
33 #define GET_R(rgb) ((rgb >> 8) & 0xff)
34 #define GET_G(rgb) ((rgb >> 16) & 0xff)
35 #define GET_B(rgb) ((rgb >> 24) & 0xff)
36 #define SET_ARGB(a, r, g, b) (b << 24 | g << 16 | r << 8 | a)
48 struct RectList
*rl_next
;
49 struct Rectangle rl_rect
;
55 /* struct Rectangle rect; (replaced by the next line!) */
56 WORD MinX
, MinY
, MaxX
, MaxY
;
57 LONG OffsetX
, OffsetY
;
60 /* This function provides a number of ways to blit a NewImage onto RastPort. Please take great care when modifying it.
62 * The number of combinations of arguments is quite high. Please take time to understand it.
65 * ni - a NewImage that is to be blitted
66 * subimageCol, subimageRow - define the initial read offset in source image based on assumption that image contains
67 * a number of subimages drawn in rows or columns
68 * xSrc, ySrc - define additional read offset in the source image subimage
69 * destRP - destination RastPort to blit the image to
70 * xDest, yDest - coordinates on the destination RastPort to where the imatge will be blitted
71 * widthSrc, heightSrc - width/height of region to be read from, if -1 then use the width/height of subimage
72 * widthDest, heightDest - width/height of blit on destination RastPort, if -1 then use widthSrc/heightSrc
75 static void BltScaleNewImageSubImageRastPort(struct NewImage
* ni
, ULONG subimageCol
, ULONG subimageRow
,
76 LONG xSrc
, LONG ySrc
, struct RastPort
* destRP
, LONG xDest
, LONG yDest
,
77 LONG widthSrc
, LONG heightSrc
, LONG widthDest
, LONG heightDest
)
79 ULONG subimagewidth
= ni
->w
/ ni
->subimagescols
;
80 ULONG subimageheight
= ni
->h
/ ni
->subimagesrows
;
82 if (subimageCol
>= ni
->subimagescols
) return;
83 if (subimageRow
>= ni
->subimagesrows
) return;
85 /* If source size not provided, use subimage size */
86 if (widthSrc
< 0) widthSrc
= (LONG
)subimagewidth
;
87 if (heightSrc
< 0) heightSrc
= (LONG
)subimageheight
;
89 /* If destination size not provided, use source */
90 if (widthDest
< 0) widthDest
= widthSrc
;
91 if (heightDest
< 0) heightDest
= heightSrc
;
93 /* If source and destination sizes do not match, scale */
94 if ((widthSrc
!= widthDest
) || (heightSrc
!= heightDest
))
96 /* FIXME: The scaled blitting needs similar optimized code paths as non-scaled */
97 ULONG
* srcptr
= (ni
->data
) + (((subimageheight
* subimageRow
) + ySrc
) * ni
->w
) +
98 ((subimagewidth
* subimageCol
) + xSrc
); /* Go to (0,0) of source rect */
100 ULONG
* scaleddata
= ScaleBuffer(srcptr
, ni
->w
, widthSrc
, heightSrc
, widthDest
, heightDest
);
102 D(bug("[Decoration] SCALED %d,%d -> %d,%d!\n", widthSrc
, heightSrc
, widthDest
, heightDest
));
104 WritePixelArrayAlpha(scaleddata
, 0, 0, widthDest
* 4, destRP
, xDest
, yDest
, widthDest
, heightDest
, 0xffffffff);
108 else /* ((widthSrc != widthDest) || (heightSrc != heightDest)) */
110 /* Detect if image can be drawn using blitting instead of alpha draw */
111 if ((!ni
->subimageinbm
) || (!(ni
->subimageinbm
[subimageCol
+ (subimageRow
* ni
->subimagescols
)])))
113 WritePixelArrayAlpha(ni
->data
, (subimagewidth
* subimageCol
) + xSrc
,
114 (subimageheight
* subimageRow
) + ySrc
, ni
->w
* 4, destRP
,
115 xDest
, yDest
, widthSrc
, heightSrc
, 0xffffffff);
120 if (ni
->bitmap
!= NULL
)
124 BltMaskBitMapRastPort(ni
->bitmap
, (subimagewidth
* subimageCol
) + xSrc
,
125 (subimageheight
* subimageRow
) + ySrc
, destRP
, xDest
, yDest
,
126 widthSrc
, heightSrc
, 0xe0, (PLANEPTR
) ni
->mask
);
130 BltBitMapRastPort(ni
->bitmap
, (subimagewidth
* subimageCol
) + xSrc
,
131 (subimageheight
* subimageRow
) + ySrc
, destRP
, xDest
, yDest
,
132 widthSrc
, heightSrc
, 0xc0);
137 if (ni
->bitmap2
!= NULL
)
139 BltBitMapRastPort(ni
->bitmap2
, (subimagewidth
* subimageCol
) + xSrc
,
140 (subimageheight
* subimageRow
) + ySrc
, destRP
, xDest
, yDest
,
141 widthSrc
, heightSrc
, 0xc0);
147 /* HELPER WRAPPERS */
148 static inline void BltNewImageSubImageRastPort(struct NewImage
* ni
, ULONG subimageCol
, ULONG subimageRow
,
149 LONG xSrc
, LONG ySrc
, struct RastPort
* destRP
, LONG xDest
, LONG yDest
, LONG widthSrc
, LONG heightSrc
)
151 BltScaleNewImageSubImageRastPort(ni
, subimageCol
, subimageRow
, xSrc
, ySrc
, destRP
,
152 xDest
, yDest
, widthSrc
, heightSrc
, -1, -1);
155 static inline void BltNewImageSubImageRastPortSimple(struct NewImage
* ni
, ULONG subimageCol
, ULONG subimageRow
,
156 struct RastPort
* destRP
, LONG xDest
, LONG yDest
)
158 BltNewImageSubImageRastPort(ni
, subimageCol
, subimageRow
, 0, 0, destRP
,
159 xDest
, yDest
, -1, -1);
162 static inline void BltScaleNewImageSubImageRastPortSimple(struct NewImage
* ni
, ULONG subimageCol
, ULONG subimageRow
,
163 struct RastPort
* destRP
, LONG xDest
, LONG yDest
, LONG widthDest
, LONG heightDest
)
165 BltScaleNewImageSubImageRastPort(ni
, subimageCol
, subimageRow
, 0, 0, destRP
,
166 xDest
, yDest
, -1, -1, widthDest
, heightDest
);
168 /* HELPER WRAPPERS */
170 static void DrawTileToImage(struct NewImage
*src
, struct NewImage
*dest
, UWORD _sx
, UWORD _sy
, UWORD _sw
, UWORD _sh
, UWORD _dx
, UWORD _dy
, UWORD _dw
, UWORD _dh
)
174 LONG dh
, height
, dw
, width
;
176 if (src
== NULL
) return;
177 if (dest
== NULL
) return;
185 if ((height
-dh
)<0) dh
= height
;
192 if ((width
-dw
)<0) dw
= width
;
194 DrawPartToImage(src
, dest
, _sx
, _sy
, dw
, dh
, dx
, dy
);
201 static void TileImageToImageMenuBar(struct NewImage
*src
, struct TileInfo
* srcti
, struct NewImage
*dest
)
205 if (dest
== NULL
) return;
206 if (src
== NULL
) return;
207 if (srcti
== NULL
) return;
212 if ((srcti
->TileTop
+ srcti
->TileBottom
) > dest
->h
) return;
213 if (srcti
->TileRight
> dest
->w
) return;
215 DrawTileToImage(src
, dest
, srcti
->TileLeft
, y
, src
->w
- srcti
->TileLeft
- srcti
->TileRight
, srcti
->TileTop
, 0, 0, dest
->w
- srcti
->TileRight
, srcti
->TileTop
);
216 DrawTileToImage(src
, dest
, srcti
->TileLeft
, y
+ h
- srcti
->TileBottom
, src
->w
- srcti
->TileLeft
- srcti
->TileRight
, srcti
->TileBottom
, 0, dest
->h
- srcti
->TileBottom
, dest
->w
- srcti
->TileRight
, srcti
->TileBottom
);
217 DrawTileToImage(src
, dest
, srcti
->TileLeft
, y
+ srcti
->TileTop
, src
->w
- srcti
->TileLeft
- srcti
->TileRight
, h
- srcti
->TileBottom
- srcti
->TileTop
, 0, srcti
->TileTop
+ 0, dest
->w
- srcti
->TileRight
, dest
->h
- srcti
->TileTop
- srcti
->TileBottom
- 0);
220 DrawTileToImage(src
, dest
, src
->w
- srcti
->TileRight
, y
, srcti
->TileRight
, srcti
->TileTop
, dest
->w
- srcti
->TileRight
, 0, srcti
->TileRight
, srcti
->TileTop
);
221 DrawTileToImage(src
, dest
, src
->w
- srcti
->TileRight
, y
+ h
- srcti
->TileBottom
, srcti
->TileRight
, srcti
->TileBottom
, dest
->w
- srcti
->TileRight
, dest
->h
- srcti
->TileBottom
, srcti
->TileRight
, srcti
->TileBottom
);
222 DrawTileToImage(src
, dest
, src
->w
- srcti
->TileRight
, y
+ srcti
->TileTop
, srcti
->TileRight
, h
- srcti
->TileBottom
- srcti
->TileTop
, dest
->w
- srcti
->TileRight
, srcti
->TileTop
+ 0, srcti
->TileRight
, dest
->h
- srcti
->TileTop
- srcti
->TileBottom
- 0);
226 static void TileImageToImage(struct NewImage
*src
, struct TileInfo
* srcti
, struct NewImage
*dest
)
230 if (dest
== NULL
) return;
231 if (src
== NULL
) return;
232 if (srcti
== NULL
) return;
237 if ((srcti
->TileTop
+ srcti
->TileBottom
) > dest
->h
) return;
238 if ((srcti
->TileLeft
+ srcti
->TileRight
) > dest
->w
) return;
240 DrawTileToImage(src
, dest
, 0, y
, srcti
->TileLeft
, srcti
->TileTop
, 0 , 0, srcti
->TileLeft
, srcti
->TileTop
);
241 DrawTileToImage(src
, dest
, 0, y
+ h
- srcti
->TileBottom
, srcti
->TileLeft
, srcti
->TileBottom
, 0 , dest
->h
- srcti
->TileBottom
, srcti
->TileLeft
, srcti
->TileBottom
);
242 DrawTileToImage(src
, dest
, src
->w
- srcti
->TileRight
, y
, srcti
->TileRight
, srcti
->TileTop
, dest
->w
- srcti
->TileRight
, 0, srcti
->TileRight
, srcti
->TileTop
);
243 DrawTileToImage(src
, dest
, src
->w
- srcti
->TileRight
, y
+ h
- srcti
->TileBottom
, srcti
->TileRight
, srcti
->TileBottom
, dest
->w
- srcti
->TileRight
, dest
->h
- srcti
->TileBottom
, srcti
->TileRight
, srcti
->TileBottom
);
245 DrawTileToImage(src
, dest
, srcti
->TileLeft
, y
, src
->w
- srcti
->TileLeft
- srcti
->TileRight
, srcti
->TileTop
, srcti
->TileLeft
, 0, dest
->w
- srcti
->TileLeft
- srcti
->TileRight
, srcti
->TileTop
);
246 DrawTileToImage(src
, dest
, srcti
->TileLeft
, y
+ h
- srcti
->TileBottom
, src
->w
- srcti
->TileLeft
- srcti
->TileRight
, srcti
->TileBottom
, srcti
->TileLeft
, dest
->h
- srcti
->TileBottom
, dest
->w
- srcti
->TileLeft
- srcti
->TileRight
, srcti
->TileBottom
);
247 DrawTileToImage(src
, dest
, 0, y
+ srcti
->TileTop
, srcti
->TileLeft
, h
- srcti
->TileBottom
- srcti
->TileTop
, 0 , srcti
->TileTop
+ 0, srcti
->TileLeft
, dest
->h
- srcti
->TileTop
- srcti
->TileBottom
- 0);
248 DrawTileToImage(src
, dest
, src
->w
- srcti
->TileRight
, y
+ srcti
->TileTop
, srcti
->TileRight
, h
- srcti
->TileBottom
- srcti
->TileTop
, dest
->w
- srcti
->TileRight
, srcti
->TileTop
+ 0, srcti
->TileRight
, dest
->h
- srcti
->TileTop
- srcti
->TileBottom
- 0);
249 DrawTileToImage(src
, dest
, srcti
->TileLeft
, y
+ srcti
->TileTop
, src
->w
- srcti
->TileLeft
- srcti
->TileRight
, h
- srcti
->TileBottom
- srcti
->TileTop
, srcti
->TileLeft
, srcti
->TileTop
+ 0, dest
->w
- srcti
->TileLeft
- srcti
->TileRight
, dest
->h
- srcti
->TileTop
- srcti
->TileBottom
- 0);
252 static void MixImage(struct NewImage
*dst
, struct NewImage
*src
, struct TileInfo
*srcti
, UWORD ratio
, UWORD w
, UWORD h
, UWORD dx
, UWORD dy
)
257 UBYTE as
, rs
, gs
, bs
, rd
, gd
, bd
;
261 if (src
== NULL
) return;
262 if (dst
== NULL
) return;
267 if (srcti
) tiled
= TRUE
;
269 for (y
= 0; y
< h
; y
++)
271 for (x
= 0; x
< w
; x
++)
273 rgba
= s
[x
+y
*src
->w
];
278 rgb
= d
[x
+dx
+ (y
+dy
) * dst
->w
];
284 r
= ((rs
* ratio
) >> 8) + ((rd
* (255 - ratio
)) >> 8);
285 g
= ((gs
* ratio
) >> 8) + ((gd
* (255 - ratio
)) >> 8);
286 b
= ((bs
* ratio
) >> 8) + ((bd
* (255 - ratio
)) >> 8);
289 r
= ((r
* as
) >> 8) + ((rd
* (255 - as
)) >> 8);
290 g
= ((g
* as
) >> 8) + ((gd
* (255 - as
)) >> 8);
291 b
= ((b
* as
) >> 8) + ((bd
* (255 - as
)) >> 8);
298 d
[x
+dx
+ (y
+dy
) * dst
->w
] = SET_ARGB(as
, r
, g
, b
);
304 static void BlurSourceAndMixTexture(struct NewImage
*pic
, struct NewImage
*texture
, struct TileInfo
* textureti
, UWORD ratio
)
306 int x
, y
, ytw
, t1
, t2
, b1
, b2
, l1
, l2
, r1
, r2
;
307 UWORD red
, green
, blue
, alpha
= 0, rs
, gs
, bs
, as
;
309 int width
, w
, height
, ah
, aw
, xpos
, ypos
;
313 if (pic
== NULL
) return;
314 if (pic
->data
== NULL
) return;
317 if (textureti
) tiled
= TRUE
;
325 for (y
= 0; y
< th
; y
++)
331 if (y
== 0) t1
= t2
= 0;
332 else if (y
== 1) t2
= t1
;
334 if (y
== (th
-1)) b1
= b2
= 0;
335 else if (y
== (th
-2)) b2
= b1
;
339 for (x
= 0; x
< tw
; x
++)
346 if (x
== 0) l1
= r1
= 0;
347 else if (x
== 1) l2
= l1
;
349 if (x
== (tw
-1)) r1
= r2
= 0;
350 else if (x
== (tw
-2)) r2
= r1
;
362 rgb
= raw
[x
+ytw
-l1
-t1
];
377 rgb
= raw
[x
+ytw
-t1
+r1
];
402 rgb
= raw
[x
+ytw
+b1
-l1
];
412 rgb
= raw
[x
+ytw
+b1
+r1
];
430 as
= 255 - GET_A(texture
->data
[x
+ y
* texture
->w
]);
435 red
= ((rs
* as
) >> 8) + ((red
* (255 - as
)) >> 8);
436 green
= ((gs
* as
) >> 8) + ((green
* (255 - as
)) >> 8);
437 blue
= ((bs
* as
) >> 8) + ((blue
* (255 - as
)) >> 8);
439 raw
[x
+ytw
] = SET_ARGB(as
, red
, green
, blue
);
444 raw
[x
+ytw
] = SET_ARGB(alpha
, red
, green
, blue
);
457 if (ah
> height
) ah
= height
;
464 MixImage(pic
, texture
, textureti
, 255 - (2.55 * ratio
), aw
, ah
, xpos
, ypos
);
475 static void RenderBackgroundTiled(struct NewImage
*pic
, struct NewImage
*texture
, struct TileInfo
*textureti
,
476 UWORD ratio
, VOID (*TileImageToImageFunc
)(struct NewImage
*src
, struct TileInfo
* srcti
, struct NewImage
*dest
))
482 ni
= NewImageContainer(pic
->w
, pic
->h
);
487 TileImageToImageFunc(texture
, textureti
, ni
);
488 BlurSourceAndMixTexture(pic
, ni
, textureti
, ratio
);
490 else BlurSourceAndMixTexture(pic
, texture
, textureti
, ratio
);
492 DisposeImageContainer(ni
);
494 else BlurSourceAndMixTexture(pic
, texture
, textureti
, ratio
);
496 else BlurSourceAndMixTexture(pic
, NULL
, NULL
, ratio
);
499 static void DrawMapTileToRP(struct NewImage
*src
, struct RastPort
*rp
, UWORD _sx
, UWORD _sy
, UWORD _sw
, UWORD _sh
, UWORD _dx
, UWORD _dy
, UWORD _dw
, UWORD _dh
)
503 LONG dh
, height
, dw
, width
;
505 if (src
== NULL
) return;
506 if (rp
== NULL
) return;
512 if (!src
->ok
) return;
516 if ((height
-dh
)<0) dh
= height
;
523 if ((width
-dw
)<0) dw
= width
;
528 BltMaskBitMapRastPort(src
->bitmap
, _sx
, _sy
, rp
, dx
, dy
, dw
, dh
, 0xe0, (PLANEPTR
) src
->mask
);
530 else BltBitMapRastPort(src
->bitmap
, _sx
, _sy
, rp
, dx
, dy
, dw
, dh
, 0xc0);
538 /******************************************************************************/
539 /******************************************************************************/
540 /******************************************************************************/
541 /******************************************************************************/
542 /******************************************************************************/
544 void DrawPartImageToRP(struct RastPort
*rp
, struct NewImage
*ni
, UWORD x
, UWORD y
, UWORD sx
, UWORD sy
, UWORD sw
, UWORD sh
)
548 if (ni
->bitmap
== NULL
)
550 WritePixelArray(ni
->data
, sx
, sy
, ni
->w
*4, rp
, x
, y
, sw
, sh
, RECTFMT_ARGB
);
554 BltBitMapRastPort(ni
->bitmap
, sx
, sy
, rp
, x
, y
, sw
, sh
, 0xc0);
559 void DrawPartToImage(struct NewImage
*src
, struct NewImage
*dest
, UWORD sx
, UWORD sy
, UWORD sw
, UWORD sh
, UWORD dx
, UWORD dy
)
563 for (y
= 0; y
< sh
; y
++)
565 for (x
= 0; x
< sw
; x
++)
567 dest
->data
[dx
+ x
+ (dy
+ y
) * dest
->w
] = src
->data
[sx
+ x
+ (sy
+ y
) * src
->w
];
572 void RenderMenuBackground(struct NewImage
*pic
, struct NewImage
*texture
, struct TileInfo
*textureti
, UWORD ratio
)
576 if (textureti
) RenderBackgroundTiled(pic
, texture
, textureti
, ratio
, TileImageToImage
);
577 else BlurSourceAndMixTexture(pic
, texture
, textureti
, ratio
);
579 else BlurSourceAndMixTexture(pic
, NULL
, NULL
, ratio
);
582 void RenderMenuBarBackground(struct NewImage
*pic
, struct NewImage
*texture
, struct TileInfo
*textureti
, UWORD ratio
)
584 if (texture
&& textureti
)
587 /* Fill the image with the center tile */
588 DrawTileToImage(texture
, pic
,
589 textureti
->TileLeft
, textureti
->TileTop
,
590 texture
->w
- textureti
->TileLeft
- textureti
->TileRight
, texture
->h
- textureti
->TileBottom
- textureti
->TileTop
,
591 0, 0, pic
->w
, pic
->h
);
593 RenderBackgroundTiled(pic
, texture
, textureti
, ratio
, TileImageToImageMenuBar
);
597 void WriteAlphaPixelArray(struct NewImage
*src
, struct NewLUT8Image
*dst
, LONG sx
, LONG sy
, LONG dx
, LONG dy
, LONG w
, LONG h
)
599 ULONG
*s
= src
->data
;
601 UBYTE
*d
= dst
->data
;
604 for (y
= 0; y
< h
; y
++)
606 for (x
= 0; x
< w
; x
++)
608 argb
= s
[sx
+ x
+ (sy
+ y
) * src
->w
];
609 d
[dx
+ x
+ (dy
+ y
) * dst
->w
] = GET_A(argb
);
614 void SetImageTint(struct NewImage
*dst
, UWORD ratio
, ULONG argb
)
620 UBYTE rs
, gs
, bs
, rd
, gd
, bd
;
623 if (dst
== NULL
) return;
630 rs
= (argb
>> 16) & 0xff;
631 gs
= (argb
>> 8) & 0xff;
634 for (y
= 0; y
< h
; y
++)
636 for (x
= 0; x
< w
; x
++)
642 r
= ((rs
* ratio
) >> 8) + ((rd
* (255 - ratio
)) >> 8);
643 g
= ((gs
* ratio
) >> 8) + ((gd
* (255 - ratio
)) >> 8);
644 b
= ((bs
* ratio
) >> 8) + ((bd
* (255 - ratio
)) >> 8);
650 d
[x
+ y
* w
] = SET_ARGB(255, r
, g
, b
);
656 * offx - offset between start of ni and place where image should be sample from
657 * offy - offset between start of ni and place where image should be sample from
658 * x, y, w, h - coords in rastport rp
660 void HorizVertRepeatNewImage(struct NewImage
*ni
, ULONG color
, UWORD offx
, UWORD offy
, struct RastPort
*rp
, UWORD x
, UWORD y
, WORD w
, WORD h
)
662 ULONG ow
, oh
, sy
, sx
, dy
, dx
;
663 LONG dh
, height
, dw
, width
;
665 if ((w
<= 0) || (h
<= 0)) return;
669 FillPixelArray(rp
, x
, y
, w
, h
, color
);
682 if ((height
-dh
)<0) dh
= height
;
691 if ((width
-dw
)<0) dw
= width
;
694 BltNewImageSubImageRastPort(ni
, 0, 0, sx
, sy
, rp
, dx
, dy
, dw
, dh
);
706 /* NOTE: fill parameter is ignored, previously it was forcing a no-alpha blit, but
707 this is already handled in BltNewImageSubImageRastPort */
708 /* dh - destination height to which subimage will be scaled to */
709 LONG
WriteTiledImageTitle(BOOL fill
, struct Window
*win
,
710 struct RastPort
*rp
, struct NewImage
*ni
, LONG sx
, LONG sy
, LONG sw
,
711 LONG sh
, LONG xp
, LONG yp
, LONG dw
, LONG dh
)
717 if (!ni
->ok
) return x
;
719 if ((sw
== 0) || (dw
== 0)) return xp
;
723 if (x
> win
->Width
) return xp
;
724 if ((x
+ w
) > win
->Width
) w
= win
->Width
- x
;
730 if (w
< ddw
) ddw
= w
;
732 BltScaleNewImageSubImageRastPort(ni
, 0, 0, sx
, sy
, rp
, x
, yp
, ddw
, -1, -1, dh
);
741 * dh - destination height to scale to, -1 to use subimage height
743 LONG
WriteVerticalScaledTiledImageHorizontal(struct RastPort
*rp
, struct NewImage
*ni
, ULONG subimage
,
744 LONG sx
, LONG sw
, LONG xp
, LONG yp
, LONG sh
, LONG dw
, LONG dh
)
750 if (!ni
->ok
) return xp
;
752 if ((sw
== 0) || (dw
== 0)) return xp
;
757 if (w
< ddw
) ddw
= w
;
759 BltScaleNewImageSubImageRastPort(ni
, 0, subimage
, sx
, 0, rp
, x
, yp
, ddw
, sh
, -1, dh
);
768 LONG
WriteTiledImageHorizontal(struct RastPort
*rp
, struct NewImage
*ni
, ULONG subimage
, LONG sx
, LONG sw
, LONG xp
, LONG yp
, LONG dw
)
770 return WriteVerticalScaledTiledImageHorizontal(rp
, ni
, subimage
, sx
, sw
, xp
, yp
, -1, dw
, -1);
773 LONG
WriteTiledImageVertical(struct RastPort
*rp
, struct NewImage
*ni
, ULONG subimage
, LONG sy
, LONG sh
, LONG xp
, LONG yp
, LONG dh
)
779 if (!ni
->ok
) return y
;
781 if ((sh
== 0) || (dh
== 0)) return yp
;
786 if (h
< ddh
) ddh
= h
;
788 BltNewImageSubImageRastPort(ni
, subimage
, 0, 0, sy
, rp
, xp
, y
, -1, ddh
);
801 void FillMemoryBufferRGBGradient(UBYTE
* buf
, LONG pen
, LONG xt
, LONG yt
, LONG xb
, LONG yb
, LONG xp
, LONG yp
, LONG w
, LONG h
, ULONG start_rgb
, ULONG end_rgb
, LONG angle
)
803 /* The basic idea of this algorithm is to calc the intersection between the
804 * diagonal of the rectangle (xs,ys) with dimension (xw,yw) a with the line starting
805 * at (x,y) (every pixel inside the rectangle) and angle angle with direction vector (vx,vy).
807 * Having the intersection point we then know the color of the pixel.
809 * TODO: Turn the algorithm into a incremental one
810 * Remove the use of floating point variables */
811 double rad
= angle
*M_PI
/180;
812 double cosarc
= cos(rad
);
813 double sinarc
= sin(rad
);
815 struct myrgb startRGB
,endRGB
;
817 int diffR
, diffG
, diffB
;
819 int r
,t
; /* some helper variables to short the code */
821 int y1
; /* The intersection point */
822 int incr_y1
; /* increment of y1 */
824 int xadd
,ystart
,yadd
;
825 // double vx = -cosarc;
826 // double vy = sinarc;
827 int vx
= (int)(-cosarc
*0xff);
828 int vy
= (int)(sinarc
*0xff);
830 int width
= xb
- xt
+ 1;
831 int height
= yb
- yt
+ 1;
833 if (buf
== NULL
) return;
835 startRGB
.red
= (start_rgb
>> 16) & 0xff;
836 startRGB
.green
= (start_rgb
>> 8) & 0xff;
837 startRGB
.blue
= start_rgb
& 0xff;
839 endRGB
.red
= (end_rgb
>> 16) & 0xff;
840 endRGB
.green
= (end_rgb
>> 8) & 0xff;
841 endRGB
.blue
= end_rgb
& 0xff;
843 diffR
= endRGB
.red
- startRGB
.red
;
844 diffG
= endRGB
.green
- startRGB
.green
;
845 diffB
= endRGB
.blue
- startRGB
.blue
;
847 /* Normalize the angle */
848 if (angle
< 0) angle
= 360 - ((-angle
)%360);
849 if (angle
>= 0) angle
= angle
% 360;
851 if (angle
<= 90 || (angle
> 180 && angle
<= 270))
853 /* The to be intersected diagonal goes from the top left edge to the bottom right edge */
860 /* The to be intersected diagonal goes from the bottom left edge to the top right edge */
867 if (angle
> 90 && angle
<= 270)
869 /* for these angle we have y1 = height - y1. Instead of
871 * y1 = height - (-vy*(yw* xs -xw* ys) + yw*(vy* x -vx* y)) /(-yw*vx + xw*vy);
875 * y1 = (-vy*(yw*(-xs)-xw*(-ys+height)) + yw*(vy*(-x)-vx*(-y+height)))/(-yw*vx + xw*vy);
877 * so height - y1 can be expressed with the normal formular adapting some parameters.
879 * Note that if one would exchanging startRGB/endRGB the values would only work
880 * for linear color gradients */
895 r
= -vy
*(yw
*xs
-xw
*ys
);
898 /* The formular as shown above is
900 * y1 = ((-vy*(yw*xs-xw*ys) + yw*(vy*x-vx*y)) /(-yw*vx + xw*vy));
902 * We see that only yw*(vy*x-vx*y) changes during the loop.
906 * Current Pixel: y1(x,y) = (r + yw*(vy*x-vx*y))/t = r/t + yw*(vy*x-vx*y)/t
907 * Next Pixel: y1(x+xadd,y) = (r + vw*(vy*(x+xadd)-vx*y))/t
909 * t*(y1(x+xadd,y) - y1(x,y)) = yw*(vy*(x+xadd)-vx*y) - yw*(vy*x-vx*y) = yw*vy*xadd; */
911 incr_y1
= yw
*vy
*xadd
;
913 for (l
= 0, y
= ystart
+ ((yp
- yt
)* yadd
); l
< h
; l
++, y
+=yadd
)
915 /* Calculate initial y1 accu, can be brought out of the loop as well (x=0). It's probably a
916 * a good idea to add here also a value of (t-1)/2 to ensure the correct rounding
917 * This (and for r) is also a place were actually a overflow can happen |yw|=16 |y|=16. So for
918 * vx nothing is left, currently 9 bits are used for vx or vy */
919 int y1_mul_t_accu
= r
- yw
*vx
*y
;
923 for (c
= 0, x
= ((xp
- xt
) * xadd
); c
< w
; c
++, x
+=xadd
)
927 /* Calculate the intersection of two lines, this is not the fastet way to do but
928 * it is intuitive. Note: very slow! Will be optimzed later (remove FFP usage
929 * and making it incremental)...update: it's now incremental and no FFP is used
930 * but it probably can be optimized more by removing some more of the divisions and
931 * further specialize the stuff here (use of three accus). */
932 /* y1 = (int)((-vy*(yw*xs-xw*ys) + yw*(vy*x-vx*y)) /(-yw*vx + xw*vy));*/
933 y1
= y1_mul_t_accu
/ t
;
935 red
= startRGB
.red
+ (int)(diffR
*y1
/height
);
936 green
= startRGB
.green
+ (int)(diffG
*y1
/height
);
937 blue
= startRGB
.blue
+ (int)(diffB
*y1
/height
);
938 /* By using full 32 bits this can be made faster as well */
943 y1_mul_t_accu
+= incr_y1
;
949 void FillPixelArrayGradient(LONG pen
, BOOL tc
, struct RastPort
*rp
, LONG xt
, LONG yt
, LONG xb
, LONG yb
, LONG xp
, LONG yp
, LONG w
, LONG h
, ULONG start_rgb
, ULONG end_rgb
, LONG angle
, LONG dx
, LONG dy
)
953 if ((w
<= 0) || (h
<= 0)) return;
955 /* By bringing building the gradient array in the same format as the RastPort BitMap a call
956 to WritePixelArray() can be made also faster */
957 buf
= AllocVec(1 * yb
* 3, 0);
959 FillMemoryBufferRGBGradient(buf
, pen
, xt
, yt
, xb
, yb
, xp
, yp
, 1, yb
, start_rgb
, end_rgb
, angle
);
961 HorizRepeatBuffer(buf
, dy
, pen
, tc
, rp
, xp
, yp
, w
, h
);
966 void HorizRepeatBuffer(UBYTE
* buf
, LONG offy
, LONG pen
, BOOL tc
, struct RastPort
*rp
, LONG x
, LONG y
, LONG w
, LONG h
)
968 UBYTE
* bufblit
= NULL
;
973 if ((w
<= 0) || (h
<= 0)) return;
976 if (pen
!= -1) SetAPen(rp
, pen
); else SetAPen(rp
, 2);
977 RectFill(rp
, x
, y
, x
+ w
- 1, y
+ h
- 1);
981 /* By bringing building the gradient array in the same format as the RastPort BitMap a call
982 to WritePixelArray() can be made also faster */
983 bufblit
= AllocVec(w
* h
* 3, MEMF_ANY
);
987 /* Copy one column buffer into blit buffer */
988 for (yi
= 0; yi
< h
; yi
++)
990 idxs
= (offy
+ yi
) * 3; /* source index */
991 idxd
= yi
* 3 * w
; /* dest index */
992 for (xi
= 0; xi
< w
; xi
++)
995 bufblit
[idxd
++] = buf
[idxs
+ 0];
996 bufblit
[idxd
++] = buf
[idxs
+ 1];
997 bufblit
[idxd
++] = buf
[idxs
+ 2];
1001 WritePixelArray(bufblit
, 0, 0, w
* 3, rp
, x
, y
, w
, h
, RECTFMT_RGB
);
1006 void TileMapToBitmap(struct NewImage
*src
, struct TileInfo
*srcti
, struct BitMap
*map
, UWORD dw
, UWORD dh
)
1010 if (map
== NULL
) return;
1011 if (src
== NULL
) return;
1012 if (srcti
== NULL
) return;
1017 if ((srcti
->TileTop
+ srcti
->TileBottom
) > dh
) return;
1018 if ((srcti
->TileLeft
+ srcti
->TileRight
) > dw
) return;
1020 struct RastPort
*dest
= CreateRastPort();
1026 DrawMapTileToRP(src
, dest
, 0, y
, srcti
->TileLeft
, srcti
->TileTop
, 0 , 0, srcti
->TileLeft
, srcti
->TileTop
);
1027 DrawMapTileToRP(src
, dest
, 0, y
+ h
- srcti
->TileBottom
, srcti
->TileLeft
, srcti
->TileBottom
, 0 , dh
- srcti
->TileBottom
, srcti
->TileLeft
, srcti
->TileBottom
);
1028 DrawMapTileToRP(src
, dest
, src
->w
- srcti
->TileRight
, y
, srcti
->TileRight
, srcti
->TileTop
, dw
- srcti
->TileRight
, 0, srcti
->TileRight
, srcti
->TileTop
);
1029 DrawMapTileToRP(src
, dest
, src
->w
- srcti
->TileRight
, y
+ h
- srcti
->TileBottom
, srcti
->TileRight
, srcti
->TileBottom
, dw
- srcti
->TileRight
, dh
- srcti
->TileBottom
, srcti
->TileRight
, srcti
->TileBottom
);
1031 DrawMapTileToRP(src
, dest
, srcti
->TileLeft
, y
, src
->w
- srcti
->TileLeft
- srcti
->TileRight
, srcti
->TileTop
, srcti
->TileLeft
, 0, dw
- srcti
->TileLeft
- srcti
->TileRight
, srcti
->TileTop
);
1032 DrawMapTileToRP(src
, dest
, srcti
->TileLeft
, y
+ h
- srcti
->TileBottom
, src
->w
- srcti
->TileLeft
- srcti
->TileRight
, srcti
->TileBottom
, srcti
->TileLeft
, dh
- srcti
->TileBottom
, dw
- srcti
->TileLeft
- srcti
->TileRight
, srcti
->TileBottom
);
1033 DrawMapTileToRP(src
, dest
, 0, y
+ srcti
->TileTop
, srcti
->TileLeft
, h
- srcti
->TileBottom
- srcti
->TileTop
, 0 , srcti
->TileTop
+ 0, srcti
->TileLeft
, dh
- srcti
->TileTop
- srcti
->TileBottom
- 0);
1034 DrawMapTileToRP(src
, dest
, src
->w
- srcti
->TileRight
, y
+ srcti
->TileTop
, srcti
->TileRight
, h
- srcti
->TileBottom
- srcti
->TileTop
, dw
- srcti
->TileRight
, srcti
->TileTop
+ 0, srcti
->TileRight
, dh
- srcti
->TileTop
- srcti
->TileBottom
- 0);
1035 DrawMapTileToRP(src
, dest
, srcti
->TileLeft
, y
+ srcti
->TileTop
, src
->w
- srcti
->TileLeft
- srcti
->TileRight
, h
- srcti
->TileBottom
- srcti
->TileTop
, srcti
->TileLeft
, srcti
->TileTop
+ 0, dw
- srcti
->TileLeft
- srcti
->TileRight
, dh
- srcti
->TileTop
- srcti
->TileBottom
- 0);
1040 struct NewImage
*GetImageFromRP(struct RastPort
*rp
, UWORD x
, UWORD y
, UWORD w
, UWORD h
)
1042 struct NewImage
*ni
;
1044 ni
= NewImageContainer(w
, h
);
1047 ReadPixelArray(ni
->data
, 0, 0, w
*4, rp
, x
, y
, w
, h
, RECTFMT_ARGB
);
1052 void PutImageToRP(struct RastPort
*rp
, struct NewImage
*ni
, UWORD x
, UWORD y
) {
1056 if (ni
->data
) WritePixelArray(ni
->data
, 0, 0, ni
->w
*4, rp
, x
, y
, ni
->w
, ni
->h
, RECTFMT_ARGB
);
1057 DisposeImageContainer(ni
);
1061 ULONG
CalcShade(ULONG base
, UWORD fact
)
1078 if (c0
> 255) c0
= 255;
1079 if (c1
> 255) c1
= 255;
1080 if (c2
> 255) c2
= 255;
1081 if (c3
> 255) c3
= 255;
1083 return (ULONG
)SET_ARGB(c0
, c1
, c2
, c3
);
1086 AROS_UFH3(void, RectShadeFunc
,
1087 AROS_UFHA(struct Hook
* , h
, A0
),
1088 AROS_UFHA(struct RastPort
* , rp
, A2
),
1089 AROS_UFHA(struct layerhookmsg
*, msg
, A1
))
1093 struct ShadeData
*data
= h
->h_Data
;
1094 #if defined(DECOR_USELINEBUFF)
1095 ULONG
*outline
= NULL
;
1096 UWORD width
= 1 + msg
->MaxX
- msg
->MinX
;
1104 #if defined(DECOR_USELINEBUFF)
1106 outline
= AllocMem((width
<< 2), MEMF_ANY
);
1110 bm_handle
= LockBitMapTags(rp
->BitMap
,
1113 for (py
= msg
->MinY
; py
<= msg
->MaxY
; py
++)
1115 y
= (py
- rp
->Layer
->bounds
.MinY
) % data
->ni
->h
;
1117 for (px
= msg
->MinX
; px
<= msg
->MaxX
; px
++)
1119 x
= (px
- rp
->Layer
->bounds
.MinX
) % data
->ni
->w
;
1121 color
= CalcShade(data
->ni
->data
[(y
* data
->ni
->w
) + x
], data
->fact
);
1123 #if defined(DECOR_USELINEBUFF)
1126 outline
[px
- msg
->MinX
] = color
;
1132 col
.alpha
= (HIDDT_ColComp
) GET_A(color
) << 8;
1133 col
.red
= (HIDDT_ColComp
) GET_R(color
) << 8;
1134 col
.green
= (HIDDT_ColComp
) GET_G(color
) << 8;
1135 col
.blue
= (HIDDT_ColComp
) GET_B(color
) << 8;
1137 HIDD_BM_PutPixel(HIDD_BM_OBJ(rp
->BitMap
), px
, py
, HIDD_BM_MapColor(HIDD_BM_OBJ(rp
->BitMap
), &col
));
1141 WriteRGBPixel(rp
, px
+ msg
->OffsetX
- msg
->MinX
, py
+ msg
->OffsetY
- msg
->MinY
, color
);
1144 #if defined(DECOR_USELINEBUFF)
1146 WritePixelArray(outline
, 0, 0, width
, rp
, msg
->OffsetX
, py
+ msg
->OffsetY
- msg
->MinY
, width
, 1, RECTFMT_ARGB
);
1150 #if defined(DECOR_USELINEBUFF)
1152 FreeMem(outline
, (width
<< 2));
1157 struct RectList bm_rectlist
;
1158 struct TagItem bm_ultags
[3] =
1160 {UBMI_REALLYUNLOCK
, TRUE
},
1161 {UBMI_UPDATERECTS
, (IPTR
)&bm_rectlist
},
1165 bm_rectlist
.rl_num
= 1;
1166 bm_rectlist
.rl_next
= (struct RectList
*)0;
1167 bm_rectlist
.rl_rect
.MinX
= msg
->MinX
;
1168 bm_rectlist
.rl_rect
.MinY
= msg
->MinY
;
1169 bm_rectlist
.rl_rect
.MaxX
= msg
->MaxX
;
1170 bm_rectlist
.rl_rect
.MaxY
= msg
->MaxY
;
1172 UnLockBitMapTagList(bm_handle
, bm_ultags
);
1178 void ShadeLine(LONG pen
, BOOL tc
, BOOL usegradients
, struct RastPort
*rp
, struct NewImage
*ni
, ULONG basecolor
, UWORD fact
, UWORD _offy
, UWORD x0
, UWORD y0
, UWORD x1
, UWORD y1
)
1182 if ((x1
< x0
) || (y1
< y0
)) return;
1192 color
= CalcShade(basecolor
, fact
);
1193 SetRPAttrs(rp
, RPTAG_PenMode
, FALSE
, RPTAG_FgColor
, color
, TAG_DONE
);
1199 struct ShadeData shadeParams
;
1200 struct Hook shadeHook
;
1201 struct Rectangle shadeRect
;
1203 shadeRect
.MinX
= x0
;
1204 shadeRect
.MaxX
= x1
;
1205 shadeRect
.MinY
= y0
;
1206 shadeRect
.MaxY
= y1
;
1208 shadeParams
.ni
= ni
;
1209 shadeParams
.fact
= fact
;
1211 shadeHook
.h_Entry
= (HOOKFUNC
)AROS_ASMSYMNAME(RectShadeFunc
);
1212 shadeHook
.h_Data
= &shadeParams
;
1214 DoHookClipRects(&shadeHook
, rp
, &shadeRect
);
1223 void DrawScaledStatefulGadgetImageToRP(struct RastPort
*rp
, struct NewImage
*ni
, ULONG state
, UWORD xp
, UWORD yp
,
1224 WORD scaledwidth
, WORD scaledheight
)
1227 UWORD subimagecol
= 0;
1228 UWORD subimagerow
= 0;
1239 case IDS_INACTIVENORMAL
:
1244 BltScaleNewImageSubImageRastPortSimple(ni
, subimagecol
, subimagerow
, rp
, xp
, yp
, scaledwidth
, scaledheight
);
1248 void DrawStatefulGadgetImageToRP(struct RastPort
*rp
, struct NewImage
*ni
, ULONG state
, UWORD xp
, UWORD yp
)
1250 DrawScaledStatefulGadgetImageToRP(rp
, ni
, state
, xp
, yp
, -1, -1);