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Copied poke255_uc implementation from gtk3 into master

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This commit is contained in:
heckflosse
2016-05-22 14:35:53 +02:00
parent f490c64682
commit 023e7d3695
4 changed files with 58 additions and 25 deletions
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29
rtengine/previewimage.cc
View File

@@ -84,26 +84,16 @@ PreviewImage::PreviewImage (const Glib::ustring &fname, const Glib::ustring &ext
unsigned char *dst;
#pragma omp for schedule(static,10)
for (unsigned int i = 0; i < (unsigned int)(h); i++) {
for (unsigned int i = 0; i < (unsigned int)(h); ++i) {
src = data + i * w * 3;
dst = previewImage->get_data() + i * w * 4;
for (unsigned int j = 0; j < (unsigned int)(w); j++) {
for (unsigned int j = 0; j < (unsigned int)(w); ++j) {
unsigned char r = *(src++);
unsigned char g = *(src++);
unsigned char b = *(src++);
#if __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__
*(dst++) = b;
*(dst++) = g;
*(dst++) = r;
*(dst++) = 0;
#else
*(dst++) = 0;
*(dst++) = r;
*(dst++) = g;
*(dst++) = b;
#endif
poke255_uc(dst, r, g, b);
}
}
}
@@ -178,17 +168,8 @@ PreviewImage::PreviewImage (const Glib::ustring &fname, const Glib::ustring &ext
unsigned char r = *(src++);
unsigned char g = *(src++);
unsigned char b = *(src++);
#if __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__
*(dst++) = b;
*(dst++) = g;
*(dst++) = r;
*(dst++) = 0;
#else
*(dst++) = 0;
*(dst++) = r;
*(dst++) = g;
*(dst++) = b;
#endif
poke255_uc(dst, r, g, b);
}
}
}

2
rtengine/previewimage.h
View File

@@ -20,7 +20,7 @@
#define _PREVIEWIMAGE_
#include <gtkmm.h>
#include "cairomm/cairomm.h"
#include <cairomm/cairomm.h>
namespace rtengine
{

45
rtengine/utils.cc
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@@ -29,6 +29,51 @@ using namespace std;
namespace rtengine
{
void poke255_uc(unsigned char* &dest, unsigned char r, unsigned char g, unsigned char b)
{
#if __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__
*(dest++) = b;
*(dest++) = g;
*(dest++) = r;
*(dest++) = 0;
#else
*(dest++) = 0;
*(dest++) = r;
*(dest++) = g;
*(dest++) = b;
#endif
}
void poke01_d(unsigned char* &dest, double r, double g, double b)
{
#if __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__
*(dest++) = (unsigned char)(b * 255.);
*(dest++) = (unsigned char)(g * 255.);
*(dest++) = (unsigned char)(r * 255.);
*(dest++) = 0;
#else
*(dest++) = 0;
*(dest++) = (unsigned char)(r * 255.);
*(dest++) = (unsigned char)(g * 255.);
*(dest++) = (unsigned char)(b * 255.);
#endif
}
void poke01_f(unsigned char* &dest, float r, float g, float b)
{
#if __BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__
*(dest++) = (unsigned char)(b * 255.f);
*(dest++) = (unsigned char)(g * 255.f);
*(dest++) = (unsigned char)(r * 255.f);
*(dest++) = 0;
#else
*(dest++) = 0;
*(dest++) = (unsigned char)(r * 255.f);
*(dest++) = (unsigned char)(g * 255.f);
*(dest++) = (unsigned char)(b * 255.f);
#endif
}
void bilinearInterp (const unsigned char* src, int sw, int sh, unsigned char* dst, int dw, int dh)
{

7
rtengine/utils.h
View File

@@ -22,6 +22,13 @@
namespace rtengine
{
// update a point of a Cairo::Surface by accessing the raw data
void poke255_uc(unsigned char* &dest, unsigned char r, unsigned char g, unsigned char b);
// update a point of a Cairo::Surface by accessing the raw data
void poke01_d(unsigned char* &dest, double r, double g, double b);
// update a point of a Cairo::Surface by accessing the raw data
void poke01_f(unsigned char* &dest, float r, float g, float b);
void bilinearInterp (const unsigned char* src, int sw, int sh, unsigned char* dst, int dw, int dh);
void nearestInterp (const unsigned char* src, int sw, int sh, unsigned char* dst, int dw, int dh);
void rotate (unsigned char* img, int& w, int& h, int deg);