X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fgfximage.c;h=c1e694edb349c8880dcd42dba109e1aeeefc67c4;hb=6f78b0ef3998e959ce09c5ef11d46149756b682b;hp=b47031fb7d9619403173dc09ad228b1c8b0fb865;hpb=d633804d334e77de50e9da7fe656ad58e52aad28;p=swftools.git

diff --git a/lib/gfximage.c b/lib/gfximage.c
index b47031f..c1e694e 100644
--- a/lib/gfximage.c
+++ b/lib/gfximage.c
@@ -7,6 +7,15 @@
 #include "gfximage.h"
 #include "types.h"
 
+gfximage_t*gfximage_new(int width, int height)
+{
+    gfximage_t*i = rfx_calloc(sizeof(gfximage_t));
+    i->data = rfx_calloc(width*height*4);
+    i->width = width;
+    i->height = height;
+    return i;
+}
+
 void gfximage_save_jpeg(gfximage_t*img, const char*filename, int quality)
 {
     int x,y;
@@ -24,7 +33,7 @@ void gfximage_save_jpeg(gfximage_t*img, const char*filename, int quality)
 
 void gfximage_save_png(gfximage_t*image, const char*filename)
 {
-    writePNG(filename, (void*)image->data, image->width, image->height);
+    png_write(filename, (void*)image->data, image->width, image->height);
 }
 
 typedef struct scale_lookup {
@@ -155,10 +164,10 @@ void blurImage(gfxcolor_t*src, int width, int height, int r)
     for(y=0;y<height;y++) {
         gfxcolor_t*s = &src[y*width];
         gfxcolor_t*d = &tmp[y*width];
-        for(x=0;x<range;x++) {
+        for(x=0;x<range && x<width;x++) {
             d[x] = s[x];
         }
-        for(x=range;x<width-range;x++) {
+        for(;x<width-range;x++) {
             int r=0;
             int g=0;
             int b=0;
@@ -177,7 +186,7 @@ void blurImage(gfxcolor_t*src, int width, int height, int r)
             d[x].b = b >> 16;
             d[x].a = a >> 16;
         }
-        for(x=width-range;x<width;x++) {
+        for(;x<width;x++) {
             d[x] = s[x];
         }
     }
@@ -186,11 +195,11 @@ void blurImage(gfxcolor_t*src, int width, int height, int r)
         gfxcolor_t*s = &tmp[x];
         gfxcolor_t*d = &src[x];
         int yy=0;
-        for(y=0;y<range;y++) {
+        for(y=0;y<range&&y<height;y++) {
             d[yy] = s[yy];
             yy+=width;
         }
-        for(y=range;y<height-range;y++) {
+        for(;y<height-range;y++) {
             int r=0;
             int g=0;
             int b=0;
@@ -211,7 +220,7 @@ void blurImage(gfxcolor_t*src, int width, int height, int r)
             d[yy].a = a >> 16;
             yy += width;
         }
-        for(y=0;y<range;y++) {
+        for(;y<height;y++) {
             d[yy] = s[yy];
             yy += width;
         }
@@ -254,9 +263,11 @@ gfximage_t* gfximage_rescale(gfximage_t*image, int newwidth, int newheight)
     rgba_int_t*tmpline;
     int monochrome = 0;
     gfxcolor_t monochrome_colors[2];
-    
-    if(newwidth<1 || newheight<1)
-	return 0;
+   
+    if(newwidth<1)
+	newwidth=1;
+    if(newheight<1)
+	newheight=1;
 
     int width = image->width;
     int height = image->height;