Mercurial > hg > dmlib
annotate dmgfx.c @ 526:f7df57cafdd9
Add support for Interpaint (unpacked) and Doodle (unpacked) hires formats.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Thu, 22 Nov 2012 01:07:45 +0200 |
| parents | 41889c480291 |
| children | 451fde45e116 |
| rev | line source |
|---|---|
| 0 | 1 #include "dmlib.h" |
| 2 | |
| 3 | |
| 4 void dmFillRect(SDL_Surface *screen, int x0, int y0, int x1, int y1, Uint32 col) | |
| 5 { | |
| 6 SDL_Rect rc; | |
| 7 rc.x = x0; | |
| 8 rc.y = y0; | |
| 9 rc.w = x1 - x0 + 1; | |
| 10 rc.h = y1 - y0 + 1; | |
| 11 SDL_FillRect(screen, &rc, col); | |
| 12 } | |
| 13 | |
| 14 | |
| 15 void dmDrawHLine(SDL_Surface *screen, int x0, int x1, int yc, const Uint32 col) | |
| 16 { | |
| 17 int x; | |
| 18 const int bpp = screen->format->BytesPerPixel, | |
| 19 cx0 = screen->clip_rect.x, cy0 = screen->clip_rect.y, | |
| 20 cx1 = screen->clip_rect.x + screen->clip_rect.w - 1, | |
| 21 cy1 = screen->clip_rect.y + screen->clip_rect.h - 1; | |
| 22 | |
| 23 DM_SWAP(int, x0, x1); | |
| 24 if (yc < cy0|| yc > cy1 || x1 < cx0 || x0 > cx1) return; | |
| 25 if (x0 < cx0) x0 = cx0; | |
| 26 if (x1 > cx1) x1 = cx1; | |
| 27 | |
| 28 Uint8 *pix = screen->pixels + yc * screen->pitch + (x0 * bpp); | |
| 29 switch (screen->format->BitsPerPixel) | |
| 30 { | |
| 31 case 8: | |
| 32 for (x = x0; x <= x1; x++) | |
| 33 *pix++ = col; | |
| 34 break; | |
| 35 | |
| 36 case 32: | |
| 37 { | |
| 38 Uint32 *p = (Uint32 *) pix; | |
| 39 for (x = x0; x <= x1; x++) | |
| 40 *p++ = col; | |
| 41 } | |
| 42 break; | |
| 43 } | |
| 44 } | |
| 45 | |
| 46 | |
| 47 void dmDrawVLine(SDL_Surface *screen, int y0, int y1, int xc, const Uint32 col) | |
| 48 { | |
| 49 int y; | |
| 50 const int bpp = screen->format->BytesPerPixel, | |
| 51 pitch = screen->pitch / bpp, | |
| 52 cx0 = screen->clip_rect.x, cy0 = screen->clip_rect.y, | |
| 53 cx1 = screen->clip_rect.x + screen->clip_rect.w - 1, | |
| 54 cy1 = screen->clip_rect.y + screen->clip_rect.h - 1; | |
| 55 | |
| 56 DM_SWAP(int, y0, y1); | |
| 57 if (xc < cx0 || xc > cx1 || y1 < cy0 || y0 > cy1) return; | |
| 58 if (y0 < cy0) y0 = cy0; | |
| 59 if (y1 > cy1) y1 = cy1; | |
| 60 | |
| 61 Uint8 *pix = screen->pixels + y0 * screen->pitch + (xc * bpp); | |
| 62 switch (screen->format->BitsPerPixel) | |
| 63 { | |
| 64 case 8: | |
| 65 for (y = y0; y <= y1; y++, pix += pitch) | |
| 66 *pix = col; | |
| 67 break; | |
| 68 | |
| 69 case 32: | |
| 70 { | |
| 71 Uint32 *p = (Uint32 *) pix; | |
| 72 for (y = y0; y <= y1; y++, p += pitch) | |
| 73 *p = col; | |
| 74 } | |
| 75 break; | |
| 76 } | |
| 77 } | |
| 78 | |
| 79 | |
|
150
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
118
diff
changeset
|
80 void dmDrawBox3D(SDL_Surface *screen, int x0, int y0, int x1, int y1, Uint32 ucol, Uint32 dcol) |
|
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
118
diff
changeset
|
81 { |
|
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
118
diff
changeset
|
82 dmDrawHLine(screen, x0 , x1 - 1, y0, ucol); |
|
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
118
diff
changeset
|
83 dmDrawHLine(screen, x0 + 1, x1 , y1, dcol); |
|
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
118
diff
changeset
|
84 |
|
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
118
diff
changeset
|
85 dmDrawVLine(screen, y0 , y1 - 1, x0, ucol); |
|
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
118
diff
changeset
|
86 dmDrawVLine(screen, y0 + 1, y1 , x1, dcol); |
|
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
118
diff
changeset
|
87 } |
|
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
118
diff
changeset
|
88 |
|
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
118
diff
changeset
|
89 |
|
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
118
diff
changeset
|
90 void dmFillBox3D(SDL_Surface *screen, int x0, int y0, int x1, int y1, Uint32 bgcol, Uint32 ucol, Uint32 dcol) |
| 0 | 91 { |
| 92 SDL_Rect rc; | |
| 93 | |
| 94 rc.x = x0 + 1; | |
| 95 rc.y = y0 + 1; | |
| 96 rc.w = x1 - x0 - 1; | |
| 97 rc.h = y1 - y0 - 1; | |
| 98 SDL_FillRect(screen, &rc, bgcol); | |
| 99 | |
|
150
e147c07e41cb
Add dmDrawBox3D() and dmFillBox3D().
Matti Hamalainen <ccr@tnsp.org>
parents:
118
diff
changeset
|
100 dmDrawBox3D(screen, x0, y0, x1, y1, ucol, dcol); |
| 0 | 101 } |