Patch:graphics/sdl:use g_alloca for temporary allocations|That's much cheaper than...

git-svn-id: https://navit.svn.sourceforge.net/svnroot/navit/trunk@4119 ffa7fe5e-494d-0410-b361-a75ebd5db220

diff --git a/navit/navit/graphics/sdl/graphics_sdl.c b/navit/navit/graphics/sdl/graphics_sdl.c
index 75448c2..e6f199c 100644 (file)
--- a/navit/navit/graphics/sdl/graphics_sdl.c
+++ b/navit/navit/graphics/sdl/graphics_sdl.c
@@ -1022,7 +1022,7 @@ display_text_draw(struct font_freetype_text *text,
        if (g->w && g->h && bg) {
            stride = (g->w + 2) * 4;
            if (color) {
-               shadow = g_malloc(stride * (g->h + 2));
+               shadow = g_alloca(stride * (g->h + 2));
                gr->freetype_methods.get_shadow(g, shadow, 32, stride, &white, &transparent);
 
                SDL_Surface *glyph_surface =
@@ -1040,7 +1040,6 @@ display_text_draw(struct font_freetype_text *text,
                    SDL_BlitSurface(glyph_surface, NULL, gr->screen, &r);
                    SDL_FreeSurface(glyph_surface);
                }
-               g_free(shadow);
            }
        }
        x += g->dx;
@@ -1057,7 +1056,7 @@ display_text_draw(struct font_freetype_text *text,
            if (color) {
                stride = g->w;
                if (bg) {
-                   glyph = g_malloc(stride * g->h * 4);
+                   glyph = g_alloca(stride * g->h * 4);
                    gr->freetype_methods.get_glyph(g, glyph, 32,
                                                   stride * 4, &black,
                                                   &white, &transparent);
@@ -1075,10 +1074,9 @@ display_text_draw(struct font_freetype_text *text,
                        SDL_BlitSurface(glyph_surface, NULL, gr->screen,&r);
                        SDL_FreeSurface(glyph_surface);
                    }
-                   g_free(glyph);
                }
                stride *= 4;
-               glyph = g_malloc(stride * g->h);
+               glyph = g_alloca(stride * g->h);
                gr->freetype_methods.get_glyph(g, glyph, 32, stride,
                                               &black, &white,
                                               &transparent);
@@ -1103,7 +1101,6 @@ display_text_draw(struct font_freetype_text *text,
                         pGlyph += 4;
                    }
                }
-               g_free(glyph);
            }
        }
        x += g->dx;