- Remove some unneeded files

- Mass rename .c to .cpp

svn-id: r38227

1 files changed, 178 insertions, 0 deletions

diff --git a/engines/sci/gfx/resource/sci_pal_1.cpp b/engines/sci/gfx/resource/sci_pal_1.cpp
new file mode 100644
index 0000000000..2a127f4bb3
--- /dev/null
+++ b/engines/sci/gfx/resource/sci_pal_1.cpp
@@ -0,0 +1,178 @@
+/***************************************************************************
+ pal_1.c Copyright (C) 2000 Christoph Reichenbach
+
+
+ This program may be modified and copied freely according to the terms of
+ the GNU general public license (GPL), as long as the above copyright
+ notice and the licensing information contained herein are preserved.
+
+ Please refer to www.gnu.org for licensing details.
+
+ This work is provided AS IS, without warranty of any kind, expressed or
+ implied, including but not limited to the warranties of merchantibility,
+ noninfringement, and fitness for a specific purpose. The author will not
+ be held liable for any damage caused by this work or derivatives of it.
+
+ By using this source code, you agree to the licensing terms as stated
+ above.
+
+
+ Please contact the maintainer for bug reports or inquiries.
+
+ Current Maintainer:
+
+    Christoph Reichenbach (CR) <jameson@linuxgames.com>
+
+***************************************************************************/
+/* SCI1 palette resource defrobnicator */
+
+#include "sci/include/sci_memory.h"
+#include "sci/include/gfx_system.h"
+#include "sci/include/gfx_resource.h"
+
+#define MAX_COLORS 256
+#define PALETTE_START 260
+#define COLOR_OK 0x01
+
+#define SCI_PAL_FORMAT_VARIABLE_FLAGS 0
+#define SCI_PAL_FORMAT_CONSTANT_FLAGS 1
+
+gfx_pixmap_color_t *
+gfxr_read_pal11(int id, int *colors_nr, byte *resource, int size)
+{
+	int start_color = resource[25];
+	int format = resource[32];
+	int entry_size;
+	gfx_pixmap_color_t *retval;
+	byte *pal_data = resource + 37;
+	int _colors_nr = *colors_nr = getUInt16(resource + 29);
+	int i;
+
+	switch (format)
+	{
+	case SCI_PAL_FORMAT_VARIABLE_FLAGS :
+		entry_size = 4;
+		break;
+	case SCI_PAL_FORMAT_CONSTANT_FLAGS :
+		entry_size = 3;
+		break;
+	}
+
+	retval = (gfx_pixmap_color_t *)
+		sci_malloc(sizeof(gfx_pixmap_color_t) * (_colors_nr + start_color));
+	memset(retval, 0, sizeof(gfx_pixmap_color_t) * (_colors_nr + start_color));
+
+	for (i = 0; i < start_color; i ++)
+	{
+		retval[i].global_index = GFX_COLOR_INDEX_UNMAPPED;
+		retval[i].r = 0;
+		retval[i].g = 0;
+		retval[i].b = 0;
+	}
+	for (i = start_color; i < start_color + _colors_nr; i ++)
+	{
+		switch (format)
+		{
+		case SCI_PAL_FORMAT_CONSTANT_FLAGS:
+			retval[i].global_index = GFX_COLOR_INDEX_UNMAPPED;
+			retval[i].r = pal_data[0];
+			retval[i].g = pal_data[1];
+			retval[i].b = pal_data[2];
+			break;
+		case SCI_PAL_FORMAT_VARIABLE_FLAGS:
+			retval[i].global_index = GFX_COLOR_INDEX_UNMAPPED;
+			retval[i].r = pal_data[1];
+			retval[i].g = pal_data[2];
+			retval[i].b = pal_data[3];
+			break;
+		}
+		pal_data += entry_size;
+	}
+
+	return retval;
+}
+
+gfx_pixmap_color_t *
+gfxr_read_pal1(int id, int *colors_nr, byte *resource, int size)
+{
+	int counter = 0;
+	int pos;
+	unsigned int colors[MAX_COLORS] = {0};
+	gfx_pixmap_color_t *retval;
+
+	if (size < PALETTE_START + 4) {
+		GFXERROR("Palette resource too small in %04x\n", id);
+		return NULL;
+	}
+
+
+	pos = PALETTE_START;
+
+	while (pos < size/* && resource[pos] == COLOR_OK && counter < MAX_COLORS*/) {
+		int color = resource[pos]
+			| (resource[pos + 1] << 8)
+			| (resource[pos + 2] << 16)
+			| (resource[pos + 3] << 24);
+
+		pos += 4;
+
+		colors[counter++] = color;
+	}
+
+	if (counter < MAX_COLORS && resource[pos] != COLOR_OK) {
+		GFXERROR("Palette %04x uses unknown palette color prefix 0x%02x at offset 0x%04x\n", id, resource[pos], pos);
+		return NULL;
+	}
+
+	if (counter < MAX_COLORS) {
+		GFXERROR("Palette %04x ends prematurely\n", id);
+		return NULL;
+	}
+
+	retval = (gfx_pixmap_color_t*)sci_malloc(sizeof(gfx_pixmap_color_t) * counter);
+#ifdef SATISFY_PURIFY
+	memset(retval, 0, sizeof(gfx_pixmap_color_t) * counter);
+#endif
+
+	*colors_nr = counter;
+	for (pos = 0; pos < counter; pos++) {
+		unsigned int color = colors[pos];
+
+		retval[pos].global_index = GFX_COLOR_INDEX_UNMAPPED;
+		retval[pos].r = (color >> 8) & 0xff;
+		retval[pos].g = (color >> 16) & 0xff;
+		retval[pos].b = (color >> 24) & 0xff;
+	}
+
+	return retval;
+}
+
+gfx_pixmap_color_t *
+gfxr_read_pal1_amiga(int *colors_nr, FILE *f)
+{
+	int i;
+	gfx_pixmap_color_t *retval;
+
+	retval = (gfx_pixmap_color_t*)sci_malloc(sizeof(gfx_pixmap_color_t) * 32);
+
+	for (i = 0; i < 32; i++) {
+		int b1, b2;
+
+		b1 = fgetc(f);
+		b2 = fgetc(f);
+
+		if (b1 == EOF || b2 == EOF) {
+			GFXERROR("Palette file ends prematurely\n");
+			return NULL;
+		}
+
+		retval[i].global_index = GFX_COLOR_INDEX_UNMAPPED;
+		retval[i].r = (b1 & 0xf) * 0x11;
+		retval[i].g = ((b2 & 0xf0) >> 4) * 0x11;
+		retval[i].b = (b2 & 0xf) * 0x11;
+	}
+
+	*colors_nr = 32;
+	return retval;
+}
+