diff options
| -rw-r--r-- | src/mot-encoder.cpp | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/mot-encoder.cpp b/src/mot-encoder.cpp index 9abbd0e..e1c965f 100644 --- a/src/mot-encoder.cpp +++ b/src/mot-encoder.cpp @@ -905,6 +905,7 @@ size_t resizeImage(MagickWand* m_wand, unsigned char** blob) size_t height = MagickGetImageHeight(m_wand); size_t width = MagickGetImageWidth(m_wand); + MagickWand *bg_wand = NULL; PixelWand *p_wand = NULL; while (height > 240 || width > 320) { @@ -924,23 +925,28 @@ size_t resizeImage(MagickWand* m_wand, unsigned char** blob) // Make sure smaller images are 320x240 pixels, and // add a black border + bg_wand = NewMagickWand(); + p_wand = NewPixelWand(); PixelSetColor(p_wand, "black"); - MagickBorderImage(m_wand, p_wand, (320-width)/2, (240-height)/2); + MagickNewImage(bg_wand, 320, 240, p_wand); DestroyPixelWand(p_wand); - height = MagickGetImageHeight(m_wand); - width = MagickGetImageWidth(m_wand); + MagickCompositeImage(bg_wand, m_wand, OverCompositeOp, (320-width)/2, (240-height)/2); - MagickSetImageFormat(m_wand, "jpg"); + + height = MagickGetImageHeight(bg_wand); + width = MagickGetImageWidth(bg_wand); + + MagickSetImageFormat(bg_wand, "jpg"); int quality = 100; do { quality -= 5; - MagickSetImageCompressionQuality(m_wand, quality); - *blob = MagickGetImagesBlob(m_wand, &blobsize); + MagickSetImageCompressionQuality(bg_wand, quality); + *blob = MagickGetImagesBlob(bg_wand, &blobsize); } while (blobsize > MAXSLIDESIZE && quality > MINQUALITY); if (blobsize > MAXSLIDESIZE) { @@ -954,6 +960,8 @@ size_t resizeImage(MagickWand* m_wand, unsigned char** blob) fprintf(stderr, "mot-encoder resized image to %zu x %zu. Size after compression %zu bytes (q=%d)\n", width, height, blobsize, quality); } + + DestroyMagickWand(bg_wand); return blobsize; } #endif |