aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--engines/sludge/CommonCode/tga.cpp299
-rw-r--r--engines/sludge/CommonCode/tga.h66
2 files changed, 0 insertions, 365 deletions
diff --git a/engines/sludge/CommonCode/tga.cpp b/engines/sludge/CommonCode/tga.cpp
deleted file mode 100644
index bcd543d68f..0000000000
--- a/engines/sludge/CommonCode/tga.cpp
+++ /dev/null
@@ -1,299 +0,0 @@
-/* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- */
-#include <stdio.h>
-
-#include "tga.h"
-
-//FILE * debugFile = fopen ("TGAdebug.txt", "wt");
-
-unsigned short int makeColour (unsigned char r, unsigned char g, unsigned char b) {
- unsigned short int reply = (unsigned short int) (r >> 3);
- reply <<= 6;
- reply += (unsigned short int) (g >> 2);
- reply <<= 5;
- reply += (unsigned short int) (b >> 3);
- return reply & 65503;
-}
-
-int get2bytesReverse (FILE * fp) {
- int a = fgetc (fp);
- return a + fgetc (fp) * 256;
-}
-
-int countDown = 0;
-
-bool dither24bitImages = 0;
-
-char ditherArray[4][4] = {{4,12,6,14},{10,0,8,2},{7,15,5,13},{9,3,11,1}};
-
-void grabRGBA (FILE * fp, int bpc, unsigned char & r, unsigned char & g, unsigned char & b, unsigned char & a, palCol thePalette[])
-{
- int grabbed1, grabbed2;
- switch (bpc) {
- case 8:
- grabbed1 = fgetc (fp);
- r = thePalette[grabbed1].r;
- g = thePalette[grabbed1].g;
- b = thePalette[grabbed1].b;
- if (r == 255 && g == 0 && b == 255) {
- r = g = b = a = 0;
- } else a = 255;
- break;
-
- case 16:
- grabbed1 = fgetc (fp);
- grabbed2 = fgetc (fp);
- if (grabbed2*256+grabbed1 == 31775) {
- r=g=b=a=0;
- break;
- }
-
- r = ((grabbed2 & 127) << 1),
- g = ((grabbed1 & 224) >> 2) + (grabbed2 << 6);
- b = ((grabbed1 & 31) << 3);
- if (r == 255 && g == 0 && b == 255) {
- r = g = b = a = 0;
- } else a = 255;
- break;
-
- case 24:
- b = fgetc (fp);
- g = fgetc (fp);
- r = fgetc (fp);
- if (r == 255 && g == 0 && b == 255) {
- r = g = b = a = 0;
- } else a = 255;
- break;
-
- case 32:
- b = fgetc (fp);
- g = fgetc (fp);
- r = fgetc (fp);
- a = fgetc (fp);
- break;
- }
-}
-
-
-void grabRGB (FILE * fp, int bpc, unsigned char & r, unsigned char & g, unsigned char & b, palCol thePalette[])
-{
- int a;
- int grabbed1, grabbed2;
- switch (bpc) {
- case 8:
- grabbed1 = fgetc (fp);
- r = thePalette[grabbed1].r;
- g = thePalette[grabbed1].g;
- b = thePalette[grabbed1].b;
- break;
-
- case 16:
- grabbed1 = fgetc (fp);
- grabbed2 = fgetc (fp);
- r = ((grabbed2 & 127) << 1),
- g = ((grabbed1 & 224) >> 2) + (grabbed2 << 6);
- b = ((grabbed1 & 31) << 3);
- break;
-
- case 24:
- b = fgetc (fp);
- g = fgetc (fp);
- r = fgetc (fp);
- break;
-
- case 32:
- b = fgetc (fp);
- g = fgetc (fp);
- r = fgetc (fp);
- a = fgetc (fp);
- if (a < 100) {
- r = 255;
- g = 0;
- b = 255;
- }
- break;
- }
-}
-
-void grabRGBACompressed (FILE * fp, int bpc, unsigned char & r2, unsigned char & g2, unsigned char & b2, unsigned char & a2, palCol thePalette[]) {
- static unsigned char r, g, b, a;
- static bool oneCol;
- unsigned short col;
-
- // Do we have to start a new packet?
- if (countDown == 0) {
-
- // Read the packet description thingy
- col = fgetc (fp);
-
- // Is it raw data?
- if (col >= 128) {
- oneCol = true;
- countDown = col - 127;
- grabRGBA (fp, bpc, r, g, b, a, thePalette);
- // fprintf (debugFile, " %d raw colours...\n", countDown);
- } else {
- oneCol = false;
- countDown = col + 1;
- // fprintf (debugFile, " %d pixels the same colour...\n", countDown);
- }
- }
-
- countDown --;
-
- if (! oneCol) {
- grabRGBA (fp, bpc, r2, g2, b2, a2, thePalette);
- } else {
- r2 = r;
- g2 = g;
- b2 = b;
- a2 = a;
- }
-}
-
-
-void grabRGBCompressed (FILE * fp, int bpc, unsigned char & r2, unsigned char & g2, unsigned char & b2, palCol thePalette[]) {
- static unsigned char r, g, b;
- static bool oneCol;
- unsigned short col;
-
- // Do we have to start a new packet?
- if (countDown == 0) {
-
- // Read the packet description thingy
- col = fgetc (fp);
-
- // Is it raw data?
- if (col >= 128) {
- oneCol = true;
- countDown = col - 127;
- grabRGB (fp, bpc, r, g, b, thePalette);
- // fprintf (debugFile, " %d raw colours...\n", countDown);
- } else {
- oneCol = false;
- countDown = col + 1;
- // fprintf (debugFile, " %d pixels the same colour...\n", countDown);
- }
- }
-
- countDown --;
-
- if (! oneCol) {
- grabRGB (fp, bpc, r2, g2, b2, thePalette);
- } else {
- r2 = r;
- g2 = g;
- b2 = b;
- }
-}
-
-void addDither (unsigned char & col, const unsigned char add)
-{
- int tot = col;
- tot += add;
- col = (tot > 255) ? 255 : tot;
-}
-
-unsigned short readAColour (FILE * fp, int bpc, palCol thePalette[], int x, int y) {
- unsigned char r,g,b;
- grabRGB (fp, bpc, r, g, b, thePalette);
-
- if (dither24bitImages)
- {
- addDither (r, ditherArray[x&3][y&3]);
- addDither (g, ditherArray[x&3][y&3] / 2);
- addDither (b, ditherArray[x&3][y&3]);
- }
-
- return makeColour (r, g, b);
-}
-
-unsigned short readCompressedColour (FILE * fp, int bpc, palCol thePalette[], int x, int y) {
- unsigned char r,g,b;
- grabRGBCompressed (fp, bpc, r, g, b, thePalette);
-
- if (dither24bitImages)
- {
- addDither (r, ditherArray[x&3][y&3]);
- addDither (g, ditherArray[x&3][y&3] / 2);
- addDither (b, ditherArray[x&3][y&3]);
- }
-
- return makeColour (r, g, b);
-}
-
-const char * readTGAHeader (TGAHeader & h, FILE * fp, palCol thePalette[]) {
-
- h.IDBlockSize = fgetc (fp);
- h.gotMap = fgetc (fp);
- unsigned char imageType = fgetc (fp);
- h.firstPalColour = get2bytesReverse (fp);
- h.numPalColours = get2bytesReverse (fp);
- h.bitsPerPalColour = fgetc (fp);
- h.xOrigin = get2bytesReverse (fp);
- h.yOrigin = get2bytesReverse (fp);
- h.width = get2bytesReverse (fp);
- h.height = get2bytesReverse (fp);
- h.pixelDepth = fgetc (fp);
- h.imageDescriptor = fgetc (fp);
- countDown = 0;
- // Who cares about the ID block?
- fseek (fp, h.IDBlockSize, 1);
-
- switch (imageType) {
- case 1:
- case 2:
- h.compressed = false;
- break;
-
- case 9:
- case 10:
- h.compressed = true;
- break;
-
- default:
- return "Unsupported internal image format... are you sure this is a valid TGA image file?";
- }
-
- if (h.pixelDepth != 8 && h.pixelDepth != 16 && h.pixelDepth != 24 && h.pixelDepth != 32) {
- return "Colour depth is not 8, 16, 24 or 32 bits... are you sure this is a valid TGA image file?";
- }
-
- if (h.gotMap) {
- int c;
- for (c = 0; c < h.numPalColours; c ++) {
- grabRGB (fp, h.bitsPerPalColour, thePalette[c].r, thePalette[c].g, thePalette[c].b, thePalette);
- }
- }
-
- return NULL;
-}
-
-void setDither (int dither)
-{
- dither24bitImages = dither;
-}
-
-bool getDither ()
-{
- return dither24bitImages;
-}
diff --git a/engines/sludge/CommonCode/tga.h b/engines/sludge/CommonCode/tga.h
deleted file mode 100644
index b1146d0d0c..0000000000
--- a/engines/sludge/CommonCode/tga.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- */
-#include <stdio.h>
-
-struct TGAHeader {
- unsigned char IDBlockSize;
- unsigned char gotMap;
- bool compressed;
- unsigned short int firstPalColour;
- unsigned short int numPalColours;
- unsigned char bitsPerPalColour;
- unsigned short xOrigin;
- unsigned short yOrigin;
- unsigned short width;
- unsigned short height;
- unsigned char pixelDepth;
- unsigned char imageDescriptor;
-};
-
-struct palCol {
- unsigned char r, g, b;
-};
-
-void grabRGBCompressed(FILE *fp, int bpc, unsigned char &r2, unsigned char &g2, unsigned char &b2, palCol thePalette[]);
-void grabRGB(FILE *fp, int bpc, unsigned char &r, unsigned char &g, unsigned char &b, palCol thePalette[]);
-void grabRGBACompressed(FILE *fp, int bpc, unsigned char &r2, unsigned char &g2, unsigned char &b2, unsigned char &a2, palCol thePalette[]);
-void grabRGBA(FILE *fp, int bpc, unsigned char &r, unsigned char &g, unsigned char &b, unsigned char &a, palCol thePalette[]);
-
-unsigned short int makeColour(unsigned char r, unsigned char g, unsigned char b);
-unsigned short readAColour(FILE *fp, int bpc, palCol thePalette[], int x, int y);
-unsigned short readCompressedColour(FILE *fp, int bpc, palCol thePalette[], int x, int y);
-const char *readTGAHeader(TGAHeader &h, FILE *fp, palCol thePalette[]);
-void setDither(int dither);
-bool getDither();
-
-inline unsigned short redValue(unsigned short c) {
- return (c >> 11) << 3;
-}
-inline unsigned short greenValue(unsigned short c) {
- return ((c >> 5) & 63) << 2;
-}
-inline unsigned short blueValue(unsigned short c) {
- return (c & 31) << 3;
-}
-inline int brightness(unsigned short c) {
- return ((int) redValue(c)) + ((int) greenValue(c)) + ((int) blueValue(c) >> 1);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-02 09:32:27 +0000