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authorAndrei Karas <akaras@inbox.ru>2017-06-04 03:18:46 +0300
committerAndrei Karas <akaras@inbox.ru>2017-06-04 03:18:46 +0300
commit5612fb3a7f20a9385ba786bb25d25081b86259dd (patch)
treea7548d655f6f8d8298d94ce2f433dd287cde78bd /src/resources/sdlgfxblitfunc.cpp
parent4431f40818f832e2cbae061927bdf59904cf5d3b (diff)
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Fix code style.
Diffstat (limited to 'src/resources/sdlgfxblitfunc.cpp')
-rw-r--r--src/resources/sdlgfxblitfunc.cpp66
1 files changed, 32 insertions, 34 deletions
diff --git a/src/resources/sdlgfxblitfunc.cpp b/src/resources/sdlgfxblitfunc.cpp
index 77c67bbc4..14e8dadcf 100644
--- a/src/resources/sdlgfxblitfunc.cpp
+++ b/src/resources/sdlgfxblitfunc.cpp
@@ -18,7 +18,7 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-/*
+/*
SDL_gfxBlitFunc: custom blitters (part of SDL_gfx library)
@@ -31,13 +31,12 @@ LGPL (c) A. Schiffler
#include "utils/checkutils.h"
-#include <SDL.h>
#include <SDL_video.h>
#include "debug.h"
#define GFX_DUFFS_LOOP4(pixel_copy_increment, width) \
- int n = (width+3)/4; \
+ int n = (width + 3) / 4; \
switch (width & 3) \
{ \
case 0: do { \
@@ -51,7 +50,7 @@ LGPL (c) A. Schiffler
namespace
{
- typedef struct
+ struct SDL_gfxBlitInfo
{
Uint8 *s_pixels;
int s_width;
@@ -65,7 +64,7 @@ namespace
SDL_PixelFormat *src;
Uint8 *table;
SDL_PixelFormat *dst;
- } SDL_gfxBlitInfo;
+ };
static unsigned int GFX_ALPHA_ADJUST_ARRAY[256] =
{
@@ -330,12 +329,12 @@ namespace
static void _SDL_gfxBlitBlitterRGBA(SDL_gfxBlitInfo *info)
{
- int width = info->d_width;
+ const int width = info->d_width;
int height = info->d_height;
Uint8 *src = info->s_pixels;
- int srcskip = info->s_skip;
+ const int srcskip = info->s_skip;
Uint8 *dst = info->d_pixels;
- int dstskip = info->d_skip;
+ const int dstskip = info->d_skip;
SDL_PixelFormat *srcfmt = info->src;
while (height--)
@@ -384,20 +383,20 @@ static void _SDL_gfxBlitBlitterRGBA(SDL_gfxBlitInfo *info)
}
}
-static int _SDL_gfxBlitRGBACall(SDL_Surface *src,
- SDL_Rect *srcrect,
- SDL_Surface *dst,
- SDL_Rect *dstrect)
+static int _SDL_gfxBlitRGBACall(SDL_Surface *const src,
+ SDL_Rect *const srcrect,
+ SDL_Surface *const dst,
+ SDL_Rect *const dstrect)
{
/*
- * Set up source and destination buffer pointers, then blit
+ * Set up source and destination buffer pointers, then blit
*/
if (srcrect->w && srcrect->h)
{
SDL_gfxBlitInfo info;
/*
- * Set up the blit information
+ * Set up the blit information
*/
info.s_pixels = static_cast<Uint8 *>(src->pixels) + src->offset +
static_cast<Uint16>(srcrect->y) * src->pitch +
@@ -413,13 +412,13 @@ static int _SDL_gfxBlitRGBACall(SDL_Surface *src,
info.d_height = dstrect->h;
info.d_skip = CAST_S32(dst->pitch - info.d_width *
dst->format->BytesPerPixel);
- info.aux_data = NULL;
+ info.aux_data = nullptr;
info.src = src->format;
- info.table = NULL;
+ info.table = nullptr;
info.dst = dst->format;
/*
- * Run the actual software blitter
+ * Run the actual software blitter
*/
_SDL_gfxBlitBlitterRGBA(&info);
return 1;
@@ -428,10 +427,10 @@ static int _SDL_gfxBlitRGBACall(SDL_Surface *src,
return (0);
}
-int SDLgfxBlitRGBA(SDL_Surface *src,
- SDL_Rect *srcrect,
- SDL_Surface *dst,
- SDL_Rect *dstrect)
+int SDLgfxBlitRGBA(SDL_Surface *const src,
+ SDL_Rect *const srcrect,
+ SDL_Surface *const dst,
+ SDL_Rect *const dstrect)
{
SDL_Rect sr;
SDL_Rect dr;
@@ -441,7 +440,7 @@ int SDLgfxBlitRGBA(SDL_Surface *src,
int h;
/*
- * Make sure the surfaces aren't locked
+ * Make sure the surfaces aren't locked
*/
if (!src || !dst)
{
@@ -450,14 +449,14 @@ int SDLgfxBlitRGBA(SDL_Surface *src,
}
/*
- * If the destination rectangle is NULL, use the entire dest surface
+ * If the destination rectangle is NULL, use the entire dest surface
*/
if (dstrect == nullptr)
{
dr.x = 0;
dr.y = 0;
- dr.w = dst->w;
- dr.h = dst->h;
+ dr.w = CAST_U16(dst->w);
+ dr.h = CAST_U16(dst->h);
}
else
{
@@ -465,7 +464,7 @@ int SDLgfxBlitRGBA(SDL_Surface *src,
}
/*
- * Clip the source rectangle to the source surface
+ * Clip the source rectangle to the source surface
*/
if (srcrect)
{
@@ -483,7 +482,6 @@ int SDLgfxBlitRGBA(SDL_Surface *src,
maxh = src->h - srcy;
if (maxh < h)
h = maxh;
-
}
else
{
@@ -494,7 +492,7 @@ int SDLgfxBlitRGBA(SDL_Surface *src,
}
/*
- * Clip the destination rectangle against the clip rectangle
+ * Clip the destination rectangle against the clip rectangle
*/
SDL_Rect *clip = &dst->clip_rect;
int dx;
@@ -505,7 +503,7 @@ int SDLgfxBlitRGBA(SDL_Surface *src,
{
w -= dx;
dr.x += dx;
- srcx += dx;
+ srcx += CAST_S16(dx);
}
dx = dr.x + w - clip->x - clip->w;
if (dx > 0)
@@ -516,7 +514,7 @@ int SDLgfxBlitRGBA(SDL_Surface *src,
{
h -= dy;
dr.y += dy;
- srcy += dy;
+ srcy += CAST_S16(dy);
}
dy = dr.y + h - clip->y - clip->h;
if (dy > 0)
@@ -524,10 +522,10 @@ int SDLgfxBlitRGBA(SDL_Surface *src,
if (w > 0 && h > 0)
{
- sr.x = srcx;
- sr.y = srcy;
- sr.w = dr.w = w;
- sr.h = dr.h = h;
+ sr.x = CAST_S16(srcx);
+ sr.y = CAST_S16(srcy);
+ sr.w = dr.w = CAST_U16(w);
+ sr.h = dr.h = CAST_U16(h);
return _SDL_gfxBlitRGBACall(src, &sr, dst, &dr);
}