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-rw-r--r--android/skin/surface.c613
1 files changed, 0 insertions, 613 deletions
diff --git a/android/skin/surface.c b/android/skin/surface.c
deleted file mode 100644
index 4424bd8..0000000
--- a/android/skin/surface.c
+++ /dev/null
@@ -1,613 +0,0 @@
-/* Copyright (C) 2007-2008 The Android Open Source Project
-**
-** This software is licensed under the terms of the GNU General Public
-** License version 2, as published by the Free Software Foundation, and
-** may be copied, distributed, and modified under those terms.
-**
-** This program is distributed in the hope that it will be useful,
-** but WITHOUT ANY WARRANTY; without even the implied warranty of
-** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-** GNU General Public License for more details.
-*/
-#include "android/skin/surface.h"
-#include "android/skin/argb.h"
-#include <SDL.h>
-
-#define DEBUG 1
-
-#if DEBUG
-#include "android/utils/debug.h"
-#define D(...) VERBOSE_PRINT(surface,__VA_ARGS__)
-#else
-#define D(...) ((void)0)
-#endif
-
-struct SkinSurface {
- int refcount;
- uint32_t* pixels;
- SDL_Surface* surface;
- SkinSurfaceDoneFunc done_func;
- void* done_user;
-};
-
-static void
-skin_surface_free( SkinSurface* s )
-{
- if (s->done_func) {
- s->done_func( s->done_user );
- s->done_func = NULL;
- }
- if (s->surface) {
- SDL_FreeSurface(s->surface);
- s->surface = NULL;
- }
- free(s);
-}
-
-extern SkinSurface*
-skin_surface_ref( SkinSurface* surface )
-{
- if (surface)
- surface->refcount += 1;
- return surface;
-}
-
-extern void
-skin_surface_unrefp( SkinSurface* *psurface )
-{
- SkinSurface* surf = *psurface;
- if (surf) {
- if (--surf->refcount <= 0)
- skin_surface_free(surf);
- *psurface = NULL;
- }
-}
-
-
-void
-skin_surface_set_done( SkinSurface* s, SkinSurfaceDoneFunc done_func, void* done_user )
-{
- s->done_func = done_func;
- s->done_user = done_user;
-}
-
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
-# define ARGB32_R_MASK 0xff000000
-# define ARGB32_G_MASK 0x00ff0000
-# define ARGB32_B_MASK 0x0000ff00
-# define ARGB32_A_MASK 0x000000ff
-#else
-# define ARGB32_R_MASK 0x000000ff
-# define ARGB32_G_MASK 0x0000ff00
-# define ARGB32_B_MASK 0x00ff0000
-# define ARGB32_A_MASK 0xff000000
-#endif
-
-static SDL_Surface*
-_sdl_surface_create_rgb( int width,
- int height,
- int depth,
- int flags )
-{
- Uint32 rmask, gmask, bmask, amask;
-
- if (depth == 8) {
- rmask = gmask = bmask = 0;
- amask = 0xff;
- } else if (depth == 32) {
- rmask = ARGB32_R_MASK;
- gmask = ARGB32_G_MASK;
- bmask = ARGB32_B_MASK;
- amask = ARGB32_A_MASK;
- } else
- return NULL;
-
- return SDL_CreateRGBSurface( flags, width, height, depth,
- rmask, gmask, bmask, amask );
-}
-
-
-static SDL_Surface*
-_sdl_surface_create_rgb_from( int width,
- int height,
- int pitch,
- void* pixels,
- int depth )
-{
- Uint32 rmask, gmask, bmask, amask;
-
- if (depth == 8) {
- rmask = gmask = bmask = 0;
- amask = 0xff;
- } else if (depth == 32) {
- rmask = ARGB32_R_MASK;
- gmask = ARGB32_G_MASK;
- bmask = ARGB32_B_MASK;
- amask = ARGB32_A_MASK;
- } else
- return NULL;
-
- return SDL_CreateRGBSurfaceFrom( pixels, width, height, pitch, depth,
- rmask, gmask, bmask, amask );
-}
-
-
-static SkinSurface*
-_skin_surface_create( SDL_Surface* surface,
- void* pixels )
-{
- SkinSurface* s = malloc(sizeof(*s));
- if (s != NULL) {
- s->refcount = 1;
- s->pixels = pixels;
- s->surface = surface;
- s->done_func = NULL;
- s->done_user = NULL;
- }
- else {
- SDL_FreeSurface(surface);
- free(pixels);
- D( "not enough memory to allocate new skin surface !" );
- }
- return s;
-}
-
-
-SkinSurface*
-skin_surface_create_fast( int w, int h )
-{
- SDL_Surface* surface;
-
- surface = _sdl_surface_create_rgb( w, h, 32, SDL_HWSURFACE );
- if (surface == NULL) {
- surface = _sdl_surface_create_rgb( w, h, 32, SDL_SWSURFACE );
- if (surface == NULL) {
- D( "could not create fast %dx%d ARGB32 surface: %s",
- w, h, SDL_GetError() );
- return NULL;
- }
- }
- return _skin_surface_create( surface, NULL );
-}
-
-
-SkinSurface*
-skin_surface_create_slow( int w, int h )
-{
- SDL_Surface* surface;
-
- surface = _sdl_surface_create_rgb( w, h, 32, SDL_SWSURFACE );
- if (surface == NULL) {
- D( "could not create slow %dx%d ARGB32 surface: %s",
- w, h, SDL_GetError() );
- return NULL;
- }
- return _skin_surface_create( surface, NULL );
-}
-
-
-SkinSurface*
-skin_surface_create_argb32_from(
- int w,
- int h,
- int pitch,
- uint32_t* pixels,
- int do_copy )
-{
- SDL_Surface* surface;
- uint32_t* pixcopy = NULL;
-
- if (do_copy) {
- size_t size = h*pitch;
- pixcopy = malloc( size );
- if (pixcopy == NULL && size > 0) {
- D( "not enough memory to create %dx%d ARGB32 surface",
- w, h );
- return NULL;
- }
- memcpy( pixcopy, pixels, size );
- }
-
- surface = _sdl_surface_create_rgb_from( w, h, pitch,
- pixcopy ? pixcopy : pixels,
- 32 );
- if (surface == NULL) {
- D( "could not create %dx%d slow ARGB32 surface: %s",
- w, h, SDL_GetError() );
- return NULL;
- }
- return _skin_surface_create( surface, pixcopy );
-}
-
-
-
-
-extern int
-skin_surface_lock( SkinSurface* s, SkinSurfacePixels *pix )
-{
- if (!s || !s->surface) {
- D( "error: trying to lock stale surface %p", s );
- return -1;
- }
- if ( SDL_LockSurface( s->surface ) != 0 ) {
- D( "could not lock surface %p: %s", s, SDL_GetError() );
- return -1;
- }
- pix->w = s->surface->w;
- pix->h = s->surface->h;
- pix->pitch = s->surface->pitch;
- pix->pixels = s->surface->pixels;
- return 0;
-}
-
-/* unlock a slow surface that was previously locked */
-extern void
-skin_surface_unlock( SkinSurface* s )
-{
- if (s && s->surface)
- SDL_UnlockSurface( s->surface );
-}
-
-
-#if 0
-static uint32_t
-skin_surface_map_argb( SkinSurface* s, uint32_t c )
-{
- if (s && s->surface) {
- return SDL_MapRGBA( s->surface->format,
- ((c) >> 16) & 255,
- ((c) >> 8) & 255,
- ((c) & 255),
- ((c) >> 24) & 255 );
- }
- return 0x00000000;
-}
-#endif
-
-typedef struct {
- int x;
- int y;
- int w;
- int h;
- int sx;
- int sy;
-
- uint8_t* dst_line;
- int dst_pitch;
- SDL_Surface* dst_lock;
-
- uint8_t* src_line;
- int src_pitch;
- SDL_Surface* src_lock;
- uint32_t src_color;
-
-} SkinBlit;
-
-
-static int
-skin_blit_init_fill( SkinBlit* blit,
- SkinSurface* dst,
- SkinRect* dst_rect,
- uint32_t color )
-{
- int x = dst_rect->pos.x;
- int y = dst_rect->pos.y;
- int w = dst_rect->size.w;
- int h = dst_rect->size.h;
- int delta;
-
- if (x < 0) {
- w += x;
- x = 0;
- }
- delta = (x + w) - dst->surface->w;
- if (delta > 0)
- w -= delta;
-
- if (y < 0) {
- h += y;
- y = 0;
- }
- delta = (y + h) - dst->surface->h;
- if (delta > 0)
- h -= delta;
-
- if (w <= 0 || h <= 0)
- return 0;
-
- blit->x = x;
- blit->y = y;
- blit->w = w;
- blit->h = h;
-
- if ( !SDL_LockSurface(dst->surface) )
- return 0;
-
- blit->dst_lock = dst->surface;
- blit->dst_pitch = dst->surface->pitch;
- blit->dst_line = dst->surface->pixels + y*blit->dst_pitch;
-
- blit->src_lock = NULL;
- blit->src_color = color;
-
- return 1;
-}
-
-static int
-skin_blit_init_blit( SkinBlit* blit,
- SkinSurface* dst,
- SkinPos* dst_pos,
- SkinSurface* src,
- SkinRect* src_rect )
-{
- int x = dst_pos->x;
- int y = dst_pos->y;
- int sx = src_rect->pos.x;
- int sy = src_rect->pos.y;
- int w = src_rect->size.w;
- int h = src_rect->size.h;
- int delta;
-
- if (x < 0) {
- w += x;
- sx -= x;
- x = 0;
- }
- if (sx < 0) {
- w += sx;
- x -= sx;
- sx = 0;
- }
-
- delta = (x + w) - dst->surface->w;
- if (delta > 0)
- w -= delta;
-
- delta = (sx + w) - src->surface->w;
- if (delta > 0)
- w -= delta;
-
- if (y < 0) {
- h += y;
- sy += y;
- y = 0;
- }
- if (sy < 0) {
- h += sy;
- y -= sy;
- sy = 0;
- }
- delta = (y + h) - dst->surface->h;
- if (delta > 0)
- h -= delta;
-
- delta = (sy + h) - src->surface->h;
-
- if (w <= 0 || h <= 0)
- return 0;
-
- blit->x = x;
- blit->y = y;
- blit->w = w;
- blit->h = h;
-
- blit->sx = sx;
- blit->sy = sy;
-
- if ( !SDL_LockSurface(dst->surface) )
- return 0;
-
- blit->dst_lock = dst->surface;
- blit->dst_pitch = dst->surface->pitch;
- blit->dst_line = (uint8_t*) dst->surface->pixels + y*blit->dst_pitch;
-
- if ( !SDL_LockSurface(src->surface) ) {
- SDL_UnlockSurface(dst->surface);
- return 0;
- }
-
- blit->src_lock = src->surface;
- blit->src_pitch = src->surface->pitch;
- blit->src_line = (uint8_t*) src->surface->pixels + sy*blit->src_pitch;
-
- return 1;
-}
-
-static void
-skin_blit_done( SkinBlit* blit )
-{
- if (blit->src_lock)
- SDL_UnlockSurface( blit->src_lock );
- if (blit->dst_lock)
- SDL_UnlockSurface( blit->dst_lock );
- ARGB_DONE;
-}
-
-typedef void (*SkinLineFillFunc)( uint32_t* dst, uint32_t color, int len );
-typedef void (*SkinLineBlitFunc)( uint32_t* dst, const uint32_t* src, int len );
-
-static void
-skin_line_fill_copy( uint32_t* dst, uint32_t color, int len )
-{
- uint32_t* end = dst + len;
-
- while (dst + 4 <= end) {
- dst[0] = dst[1] = dst[2] = dst[3] = color;
- dst += 4;
- }
- while (dst < end) {
- dst[0] = color;
- dst += 1;
- }
-}
-
-static void
-skin_line_fill_srcover( uint32_t* dst, uint32_t color, int len )
-{
- uint32_t* end = dst + len;
- uint32_t alpha = (color >> 24);
-
- if (alpha == 255)
- {
- skin_line_fill_copy(dst, color, len);
- }
- else
- {
- ARGB_DECL(src_c);
- ARGB_DECL_ZERO();
-
- alpha = 255 - alpha;
- alpha += (alpha >> 7);
-
- ARGB_UNPACK(src_c,color);
-
- for ( ; dst < end; dst++ )
- {
- ARGB_DECL(dst_c);
-
- ARGB_READ(dst_c,dst);
- ARGB_MULSHIFT(dst_c,dst_c,alpha,8);
- ARGB_ADD(dst_c,src_c);
- ARGB_WRITE(dst_c,dst);
- }
- }
-}
-
-static void
-skin_line_fill_dstover( uint32_t* dst, uint32_t color, int len )
-{
- uint32_t* end = dst + len;
- ARGB_DECL(src_c);
- ARGB_DECL_ZERO();
-
- ARGB_UNPACK(src_c,color);
-
- for ( ; dst < end; dst++ )
- {
- ARGB_DECL(dst_c);
- ARGB_DECL(val);
-
- uint32_t alpha;
-
- ARGB_READ(dst_c,dst);
- alpha = 256 - (dst[0] >> 24);
- ARGB_MULSHIFT(val,src_c,alpha,8);
- ARGB_ADD(val,dst_c);
- ARGB_WRITE(val,dst);
- }
-}
-
-extern void
-skin_surface_fill( SkinSurface* dst,
- SkinRect* rect,
- uint32_t argb_premul,
- SkinBlitOp blitop )
-{
- SkinLineFillFunc fill;
- SkinBlit blit[1];
-
- switch (blitop) {
- case SKIN_BLIT_COPY: fill = skin_line_fill_copy; break;
- case SKIN_BLIT_SRCOVER: fill = skin_line_fill_srcover; break;
- case SKIN_BLIT_DSTOVER: fill = skin_line_fill_dstover; break;
- default: return;
- }
-
- if ( skin_blit_init_fill( blit, dst, rect, argb_premul ) ) {
- uint8_t* line = blit->dst_line;
- int pitch = blit->dst_pitch;
- uint8_t* end = line + pitch*blit->h;
-
- for ( ; line != end; line += pitch )
- fill( (uint32_t*)line + blit->x, argb_premul, blit->w );
- }
-}
-
-
-static void
-skin_line_blit_copy( uint32_t* dst, const uint32_t* src, int len )
-{
- memcpy( (char*)dst, (const char*)src, len*4 );
-}
-
-
-
-static void
-skin_line_blit_srcover( uint32_t* dst, const uint32_t* src, int len )
-{
- uint32_t* end = dst + len;
- ARGB_DECL_ZERO();
-
- for ( ; dst < end; dst++ ) {
- ARGB_DECL(s);
- ARGB_DECL(d);
- ARGB_DECL(v);
- uint32_t alpha;
-
- ARGB_READ(s,src);
- alpha = (src[0] >> 24);
- if (alpha > 0) {
- ARGB_READ(d,dst);
- alpha = 256 - alpha;
- ARGB_MULSHIFT(v,d,alpha,8);
- ARGB_ADD(v,d);
- ARGB_WRITE(v,dst);
- }
- }
-}
-
-static void
-skin_line_blit_dstover( uint32_t* dst, const uint32_t* src, int len )
-{
- uint32_t* end = dst + len;
- ARGB_DECL_ZERO();
-
- for ( ; dst < end; dst++ ) {
- ARGB_DECL(s);
- ARGB_DECL(d);
- ARGB_DECL(v);
- uint32_t alpha;
-
- ARGB_READ(d,dst);
- alpha = (dst[0] >> 24);
- if (alpha < 255) {
- ARGB_READ(s,src);
- alpha = 256 - alpha;
- ARGB_MULSHIFT(v,s,alpha,8);
- ARGB_ADD(v,s);
- ARGB_WRITE(v,dst);
- }
- }
-}
-
-
-extern void
-skin_surface_blit( SkinSurface* dst,
- SkinPos* dst_pos,
- SkinSurface* src,
- SkinRect* src_rect,
- SkinBlitOp blitop )
-{
- SkinLineBlitFunc func;
- SkinBlit blit[1];
-
- switch (blitop) {
- case SKIN_BLIT_COPY: func = skin_line_blit_copy; break;
- case SKIN_BLIT_SRCOVER: func = skin_line_blit_srcover; break;
- case SKIN_BLIT_DSTOVER: func = skin_line_blit_dstover; break;
- default: return;
- }
-
- if ( skin_blit_init_blit( blit, dst, dst_pos, src, src_rect ) ) {
- uint8_t* line = blit->dst_line;
- uint8_t* sline = blit->src_line;
- int pitch = blit->dst_pitch;
- int spitch = blit->src_pitch;
- uint8_t* end = line + pitch*blit->h;
-
- for ( ; line != end; line += pitch, sline += spitch )
- func( (uint32_t*)line + blit->x, (uint32_t*)sline + blit->sx, blit->w );
-
- skin_blit_done(blit);
- }
-}
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