Minor code improvements and split into multiple c files

Signed-off-by: Mattias Andrée <m@maandree.se>

1 files changed, 26 insertions, 0 deletions

diff --git a/libcoopgamma_ramps_initialise_.c b/libcoopgamma_ramps_initialise_.c
new file mode 100644
index 0000000..0d6f070
--- /dev/null
+++ b/libcoopgamma_ramps_initialise_.c
@@ -0,0 +1,26 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+
+/**
+ * Initialise a `libcoopgamma_ramps8_t`, `libcoopgamma_ramps16_t`, `libcoopgamma_ramps32_t`,
+ * `libcoopgamma_ramps64_t`, `libcoopgamma_rampsf_t`, or `libcoopgamma_rampsd_t`
+ * 
+ * `this->red_size`, `this->green_size`, and `this->blue_size` must already be set
+ * 
+ * @param   this   The record to initialise
+ * @param   width  The `sizeof(*(this->red))`
+ * @return         Zero on success, -1 on error
+ */
+int
+libcoopgamma_ramps_initialise_(void *restrict this, size_t width)
+{
+	libcoopgamma_ramps8_t *restrict this8 = (libcoopgamma_ramps8_t *restrict)this;
+	this8->red = this8->green = this8->blue = NULL;
+	this8->red = malloc((this8->red_size + this8->green_size + this8->blue_size) * width);
+	if (!this8->red)
+		return -1;
+	this8->green = this8->red   + this8->red_size   * width;
+	this8->blue  = this8->green + this8->green_size * width;
+	return 0;
+}