From a091243647ef5905e214b98fb42c5c3e334d2b64 Mon Sep 17 00:00:00 2001
From: scuri <scuri>
Date: Thu, 7 Jan 2010 19:12:08 +0000
Subject:  Included alpha support in all geometric and size operations.

---
 src/process/im_geometric.cpp | 37 +++++++++++++++++++++++--------------
 src/process/im_resize.cpp    | 24 +++++++++++++++---------
 2 files changed, 38 insertions(+), 23 deletions(-)

(limited to 'src/process')

diff --git a/src/process/im_geometric.cpp b/src/process/im_geometric.cpp
index a0b5129..d4dbed3 100644
--- a/src/process/im_geometric.cpp
+++ b/src/process/im_geometric.cpp
@@ -2,7 +2,7 @@
  * \brief Geometric Operations
  *
  * See Copyright Notice in im_lib.h
- * $Id: im_geometric.cpp,v 1.1 2008/10/17 06:16:33 scuri Exp $
+ * $Id: im_geometric.cpp,v 1.2 2010/01/07 19:12:53 scuri Exp $
  */
 
 
@@ -393,7 +393,8 @@ static void InterlaceSplit(int src_width,
 
 void imProcessRotate90(const imImage* src_image, imImage* dst_image, int dir)
 {
-  for (int i = 0; i < src_image->depth; i++)
+  int src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
+  for (int i = 0; i < src_depth; i++)
   {
     switch(src_image->data_type)
     {
@@ -418,7 +419,8 @@ void imProcessRotate90(const imImage* src_image, imImage* dst_image, int dir)
 
 void imProcessRotate180(const imImage* src_image, imImage* dst_image)
 {
-  for (int i = 0; i < src_image->depth; i++)
+  int src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
+  for (int i = 0; i < src_depth; i++)
   {
     switch(src_image->data_type)
     {
@@ -446,9 +448,10 @@ int imProcessRadial(const imImage* src_image, imImage* dst_image, float k1, int
   int ret = 0;
 
   int counter = imCounterBegin("Radial Distort");
-  imCounterTotal(counter, dst_image->depth*dst_image->height, "Processing...");
+  int src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
+  imCounterTotal(counter, src_depth*dst_image->height, "Processing...");  /* size of the destiny image */
 
-  for (int i = 0; i < src_image->depth; i++)
+  for (int i = 0; i < src_depth; i++)
   {
     switch(src_image->data_type)
     {
@@ -483,9 +486,10 @@ int imProcessSwirl(const imImage* src_image, imImage* dst_image, float k, int or
   int ret = 0;
 
   int counter = imCounterBegin("Swirl Distort");
-  imCounterTotal(counter, dst_image->depth*dst_image->height, "Processing...");
+  int src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
+  imCounterTotal(counter, src_depth*dst_image->height, "Processing...");  /* size of the destiny image */
 
-  for (int i = 0; i < src_image->depth; i++)
+  for (int i = 0; i < src_depth; i++)
   {
     switch(src_image->data_type)
     {
@@ -559,7 +563,8 @@ int imProcessRotate(const imImage* src_image, imImage* dst_image, double cos0, d
   int ret = 0;
 
   int counter = imCounterBegin("Rotate");
-  imCounterTotal(counter, dst_image->depth*dst_image->height, "Processing...");
+  int src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
+  imCounterTotal(counter, src_depth*dst_image->height, "Processing...");  /* size of the destiny image */
 
   if (src_image->color_space == IM_MAP)
   {
@@ -567,7 +572,7 @@ int imProcessRotate(const imImage* src_image, imImage* dst_image, double cos0, d
   }
   else
   {
-     for (int i = 0; i < src_image->depth; i++)
+    for (int i = 0; i < src_depth; i++)
     {
       switch(src_image->data_type)
       {
@@ -603,7 +608,8 @@ int imProcessRotateRef(const imImage* src_image, imImage* dst_image, double cos0
   int ret = 0;
 
   int counter = imCounterBegin("RotateRef");
-  imCounterTotal(counter, dst_image->depth*dst_image->height, "Processing...");
+  int src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
+  imCounterTotal(counter, src_depth*dst_image->height, "Processing...");  /* size of the destiny image */
 
   if (src_image->color_space == IM_MAP)
   {
@@ -611,7 +617,7 @@ int imProcessRotateRef(const imImage* src_image, imImage* dst_image, double cos0
   }
   else
   {
-     for (int i = 0; i < src_image->depth; i++)
+    for (int i = 0; i < src_depth; i++)
     {
       switch(src_image->data_type)
       {
@@ -645,8 +651,9 @@ int imProcessRotateRef(const imImage* src_image, imImage* dst_image, double cos0
 void imProcessMirror(const imImage* src_image, imImage* dst_image)
 {
   int i;
+  int src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
 
-  for (i = 0; i < src_image->depth; i++)
+  for (i = 0; i < src_depth; i++)
   {
     switch(src_image->data_type)
     {
@@ -672,8 +679,9 @@ void imProcessMirror(const imImage* src_image, imImage* dst_image)
 void imProcessFlip(const imImage* src_image, imImage* dst_image)
 {
   int i;
+  int src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
 
-  for (i = 0; i < src_image->depth; i++)
+  for (i = 0; i < src_depth; i++)
   {
     switch(src_image->data_type)
     {
@@ -699,8 +707,9 @@ void imProcessFlip(const imImage* src_image, imImage* dst_image)
 void imProcessInterlaceSplit(const imImage* src_image, imImage* dst_image1, imImage* dst_image2)
 {
   int i;
+  int src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
 
-  for (i = 0; i < src_image->depth; i++)
+  for (i = 0; i < src_depth; i++)
   {
     switch(src_image->data_type)
     {
diff --git a/src/process/im_resize.cpp b/src/process/im_resize.cpp
index ddf6e47..4dbaa60 100644
--- a/src/process/im_resize.cpp
+++ b/src/process/im_resize.cpp
@@ -2,7 +2,7 @@
  * \brief Image Resize
  *
  * See Copyright Notice in im_lib.h
- * $Id: im_resize.cpp,v 1.1 2008/10/17 06:16:33 scuri Exp $
+ * $Id: im_resize.cpp,v 1.2 2010/01/07 19:12:53 scuri Exp $
  */
 
 
@@ -106,9 +106,10 @@ int imProcessReduce(const imImage* src_image, imImage* dst_image, int order)
   int ret = 0;
   int counter = imCounterBegin("Reduce Size");
   const char* int_msg = (order == 1)? "Bilinear Decimation": "Zero Order Decimation";
-  imCounterTotal(counter, src_image->depth*dst_image->height, int_msg);
+  int src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
+  imCounterTotal(counter, src_depth*dst_image->height, int_msg);
 
-  for (int i = 0; i < src_image->depth; i++)
+  for (int i = 0; i < src_depth; i++)
   {
     switch(src_image->data_type)
     {
@@ -149,9 +150,10 @@ int imProcessResize(const imImage* src_image, imImage* dst_image, int order)
   int ret = 0;
   int counter = imCounterBegin("Resize");
   const char* int_msg = (order == 3)? "Bicubic Interpolation": (order == 1)? "Bilinear Interpolation": "Zero Order Interpolation";
-  imCounterTotal(counter, src_image->depth*dst_image->height, int_msg);
+  int src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
+  imCounterTotal(counter, src_depth*dst_image->height, int_msg);
 
-  for (int i = 0; i < src_image->depth; i++)
+  for (int i = 0; i < src_depth; i++)
   {
     switch(src_image->data_type)
     {
@@ -219,8 +221,9 @@ static void ReduceBy4(int src_width,
 void imProcessReduceBy4(const imImage* src_image, imImage* dst_image)
 {
   int i;
+  int src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
 
-  for (i = 0; i < src_image->depth; i++)
+  for (i = 0; i < src_depth; i++)
   {
     switch(src_image->data_type)
     {
@@ -246,7 +249,8 @@ void imProcessReduceBy4(const imImage* src_image, imImage* dst_image)
 void imProcessCrop(const imImage* src_image, imImage* dst_image, int xmin, int ymin)
 {
   int type_size = imDataTypeSize(src_image->data_type);
-  for (int i = 0; i < src_image->depth; i++)
+  int src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
+  for (int i = 0; i < src_depth; i++)
   {
     imbyte *src_map = (imbyte*)src_image->data[i];
     imbyte *dst_map = (imbyte*)dst_image->data[i];
@@ -269,6 +273,7 @@ void imProcessInsert(const imImage* src_image, const imImage* rgn_image, imImage
   int dst_offset2 = dst_size1+rgn_image->line_size;
   int ymax = ymin+rgn_image->height-1;
   int rgn_size = rgn_image->line_size;
+  int src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
 
   if (dst_size2 < 0)
   {
@@ -280,7 +285,7 @@ void imProcessInsert(const imImage* src_image, const imImage* rgn_image, imImage
   if (ymax > src_image->height-1)
     ymax = src_image->height-1;
 
-  for (int i = 0; i < src_image->depth; i++)
+  for (int i = 0; i < src_depth; i++)
   {
     imbyte *src_map = (imbyte*)src_image->data[i];
     imbyte *rgn_map = (imbyte*)rgn_image->data[i];
@@ -315,7 +320,8 @@ void imProcessInsert(const imImage* src_image, const imImage* rgn_image, imImage
 void imProcessAddMargins(const imImage* src_image, imImage* dst_image, int xmin, int ymin)
 {
   int type_size = imDataTypeSize(src_image->data_type);
-  for (int i = 0; i < src_image->depth; i++)
+  int src_depth = src_image->has_alpha? src_image->depth+1: src_image->depth;
+  for (int i = 0; i < src_depth; i++)
   {
     imbyte *dst_map = (imbyte*)dst_image->data[i];
     imbyte *src_map = (imbyte*)src_image->data[i];
-- 
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