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-rw-r--r--src/render.c193
1 files changed, 27 insertions, 166 deletions
diff --git a/src/render.c b/src/render.c
index daf0551a..08ced66b 100644
--- a/src/render.c
+++ b/src/render.c
@@ -139,14 +139,19 @@ void render_scale(float val, float max, int scale,
#ifdef HAVE_GTK
-
-static void *render_bin(float *in, int inw, int inh, int binning, float *maxp)
+static float *get_binned_image(struct image *image, int binning, float *pmax)
{
float *data;
int x, y;
int w, h;
+ int inw, inh;
+ float *in;
float max;
+ inw = image->width;
+ inh = image->height;
+ in = image->data;
+
w = inw / binning;
h = inh / binning; /* Some pixels might get discarded */
@@ -174,44 +179,9 @@ static void *render_bin(float *in, int inw, int inh, int binning, float *maxp)
}
}
- *maxp = max;
+ *pmax = max;
return data;
-}
-
-
-float *render_get_image_binned(DisplayWindow *dw, int binning, float *max)
-{
- struct image *image;
- float *data;
-
- if ( (dw->image == NULL) || (dw->image_dirty) ) {
-
- image = malloc(sizeof(struct image));
- if ( image == NULL ) return NULL;
- image->features = NULL;
- image->data = NULL;
-
- /* We don't care about the photon energy here */
- hdf5_read(dw->hdfile, image, 1, 0.0);
- dw->image_dirty = 0;
- if ( dw->cmfilter ) filter_cm(image);
- if ( dw->noisefilter ) filter_noise(image, NULL);
-
- /* Deal with the old image, if existing */
- if ( dw->image != NULL ) {
- image->features = dw->image->features;
- if ( dw->image->data != NULL ) free(dw->image->data);
- free(dw->image);
- }
-
- dw->image = image;
-
- }
-
- data = render_bin(dw->image->data, dw->image->width, dw->image->height,
- binning, max);
- return data;
}
@@ -267,21 +237,23 @@ static void show_marked_features(struct image *image, guchar *data,
/* Return a pixbuf containing a rendered version of the image after binning.
* This pixbuf might be scaled later - hopefully mostly in a downward
* direction. */
-GdkPixbuf *render_get_image(DisplayWindow *dw)
+GdkPixbuf *render_get_image(struct image *image, int binning, int scale,
+ double boost)
{
- int mw, mh, w, h;
+ int w, h;
guchar *data;
float *hdr;
- size_t x, y;
+ int x, y;
float max;
+ int mw, mh;
- mw = hdfile_get_width(dw->hdfile);
- mh = hdfile_get_height(dw->hdfile);
- w = mw / dw->binning;
- h = mh / dw->binning;
+ mw = image->width;
+ mh = image->height;
+ w = mw / binning;
+ h = mh / binning;
/* High dynamic range version */
- hdr = render_get_image_binned(dw, dw->binning, &max);
+ hdr = get_binned_image(image, binning, &max);
if ( hdr == NULL ) return NULL;
/* Rendered (colourful) version */
@@ -291,7 +263,7 @@ GdkPixbuf *render_get_image(DisplayWindow *dw)
return NULL;
}
- max /= dw->boostint;
+ max /= boost;
if ( max <= 6 ) { max = 10; }
/* These x,y coordinates are measured relative to the bottom-left
* corner */
@@ -302,7 +274,7 @@ GdkPixbuf *render_get_image(DisplayWindow *dw)
float r, g, b;
val = hdr[x+w*y];
- render_scale(val, max, dw->scale, &r, &g, &b);
+ render_scale(val, max, scale, &r, &g, &b);
/* Stuff inside square brackets makes this pixel go to
* the expected location in the pixbuf (which measures
@@ -314,7 +286,7 @@ GdkPixbuf *render_get_image(DisplayWindow *dw)
}
}
- show_marked_features(dw->image, data, w, h, dw->binning);
+ show_marked_features(image, data, w, h, binning);
/* Finished with this */
free(hdr);
@@ -324,6 +296,7 @@ GdkPixbuf *render_get_image(DisplayWindow *dw)
w, h, w*3, render_free_data, NULL);
}
+
GdkPixbuf *render_get_colour_scale(size_t w, size_t h, int scale)
{
guchar *data;
@@ -360,122 +333,20 @@ GdkPixbuf *render_get_colour_scale(size_t w, size_t h, int scale)
}
-int render_png(DisplayWindow *dw, const char *filename)
+int render_png(GdkPixbuf *pixbuf, const char *filename)
{
-#ifdef HAVE_LIBPNG
- FILE *fh;
- png_structp png_ptr;
- png_infop info_ptr;
- png_bytep *row_pointers;
- int x, y;
- float *hdr;
- float max;
- int w, h;
-
- w = dw->width;
- h = dw->height;
-
- hdr = render_get_image_binned(dw, dw->binning, &max);
- if ( hdr == NULL ) return 1;
-
- fh = fopen(filename, "wb");
- if ( !fh ) {
- ERROR("Couldn't open output file.\n");
- return 1;
- }
- png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING,
- NULL, NULL, NULL);
- if ( !png_ptr ) {
- ERROR("Couldn't create PNG write structure.\n");
- fclose(fh);
- return 1;
- }
- info_ptr = png_create_info_struct(png_ptr);
- if ( !info_ptr ) {
- png_destroy_write_struct(&png_ptr, (png_infopp)NULL);
- ERROR("Couldn't create PNG info structure.\n");
- fclose(fh);
- return 1;
- }
- if ( setjmp(png_jmpbuf(png_ptr)) ) {
- png_destroy_write_struct(&png_ptr, &info_ptr);
- fclose(fh);
- ERROR( "PNG write failed.\n");
- return 1;
- }
- png_init_io(png_ptr, fh);
-
- png_set_IHDR(png_ptr, info_ptr, w, h, 8,
- PNG_COLOR_TYPE_RGB, PNG_INTERLACE_NONE,
- PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT);
-
- row_pointers = malloc(h*sizeof(png_bytep *));
-
- /* Write the image data */
- max /= dw->boostint;
- if ( max <= 6 ) { max = 10; }
-
- for ( y=0; y<h; y++ ) {
-
- row_pointers[y] = malloc(w*3);
-
- for ( x=0; x<w; x++ ) {
-
- float r, g, b;
- float val;
-
- val = hdr[x+w*y];
-
- render_scale(val, max, dw->scale, &r, &g, &b);
- row_pointers[y][3*x] = (png_byte)255*r;
- row_pointers[y][3*x+1] = (png_byte)255*g;
- row_pointers[y][3*x+2] = (png_byte)255*b;
-
- }
- }
-
- for ( y=0; y<h/2+1; y++ ) {
- png_bytep scratch;
- scratch = row_pointers[y];
- row_pointers[y] = row_pointers[h-y-1];
- row_pointers[h-y-1] = scratch;
- }
-
- png_set_rows(png_ptr, info_ptr, row_pointers);
- png_write_png(png_ptr, info_ptr, PNG_TRANSFORM_IDENTITY, NULL);
-
- png_destroy_write_struct(&png_ptr, &info_ptr);
- for ( y=0; y<h; y++ ) {
- free(row_pointers[y]);
- }
- free(row_pointers);
- fclose(fh);
-
- free(hdr);
-#else
- STATUS("No PNG support.\n");
-#endif
+ gdk_pixbuf_save(pixbuf, filename, "png", NULL, NULL);
return 0;
}
-int render_tiff_fp(DisplayWindow *dw, const char *filename)
+int render_tiff_fp(struct image *image, const char *filename)
{
#ifdef HAVE_TIFF
TIFF *th;
- struct image *image;
float *line;
int y;
- /* Get raw, unbinned image data */
- image = malloc(sizeof(struct image));
- if ( image == NULL ) return 1;
- image->features = NULL;
- image->data = NULL;
- hdf5_read(dw->hdfile, image, 1, 0.0);
- if ( dw->cmfilter ) filter_cm(image);
- if ( dw->noisefilter ) filter_noise(image, NULL);
-
th = TIFFOpen(filename, "w");
if ( th == NULL ) return 1;
@@ -507,24 +378,14 @@ int render_tiff_fp(DisplayWindow *dw, const char *filename)
}
-int render_tiff_int16(DisplayWindow *dw, const char *filename)
+int render_tiff_int16(struct image *image, const char *filename, double boost)
{
#ifdef HAVE_TIFF
TIFF *th;
- struct image *image;
int16_t *line;
int x, y;
float max;
- /* Get raw, unbinned image data */
- image = malloc(sizeof(struct image));
- if ( image == NULL ) return 1;
- image->features = NULL;
- image->data = NULL;
- hdf5_read(dw->hdfile, image, 1, 0.0);
- if ( dw->cmfilter ) filter_cm(image);
- if ( dw->noisefilter ) filter_noise(image, NULL);
-
th = TIFFOpen(filename, "w");
if ( th == NULL ) return 1;
@@ -556,7 +417,7 @@ int render_tiff_int16(DisplayWindow *dw, const char *filename)
float val;
val = image->data[x+(image->height-1-y)*image->width];
- val *= ((float)dw->boostint/max);
+ val *= ((float)boost/max);
/* Clamp to 16-bit range,
* and work round inability of most readers to deal
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 00:52:48 +0000