image: Support reading PFM images.

[apitrace] / image / image.hpp

diff --git a/image/image.hpp b/image/image.hpp
index e36bdd0a2c174560dca1643da738adae1c3cdcbd..857e0621c1386e5d9a72eb9dba6e9ff467a35322 100644 (file)
--- a/image/image.hpp
+++ b/image/image.hpp
@@ -64,7 +64,7 @@ public:
         channelType(t),
         bytesPerPixel(channels * (t == TYPE_FLOAT ? 4 : 1)),
         flipped(f),
-        pixels(new unsigned char[h*w*c])
+        pixels(new unsigned char[h*w*bytesPerPixel])
     {}
 
     inline ~Image() {
@@ -126,8 +126,20 @@ readPNG(std::istream &is);
 Image *
 readPNG(const char *filename);
 
+
+struct PNMInfo
+{
+    unsigned width;
+    unsigned height;
+    unsigned channels;
+    ChannelType channelType;
+};
+
 const char *
-readPNMHeader(const char *buffer, size_t size, unsigned *channels, unsigned *width, unsigned *height);
+readPNMHeader(const char *buffer, size_t size, PNMInfo &info);
+
+Image *
+readPNM(const char *buffer, size_t bufferSize);
 
 
 } /* namespace image */