From 3d993058e5078fbdfd92d479281ad93bb40a4bc6 Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Wed, 26 Mar 2008 23:24:26 +0000
Subject: improved TGA handling

---
 src/client/video.cc | 56 +++++------------------------------------------------
 1 file changed, 5 insertions(+), 51 deletions(-)

(limited to 'src/client/video.cc')

diff --git a/src/client/video.cc b/src/client/video.cc
index e41f774..cd25d19 100644
--- a/src/client/video.cc
+++ b/src/client/video.cc
@@ -10,6 +10,7 @@
 #include "client/video.h"
 #include "client/view.h"
 #include "render/render.h"
+#include "render/tga.h"
 #include "core/core.h"
 #include "filesystem/filesystem.h"
 #include "sys/sys.h"
@@ -181,59 +182,12 @@ void screenshot()
                 }
         } while (!available);
 
-        std::ofstream ofs(filename.c_str());
+	render::Image image((unsigned int)video::width, (unsigned int)video::height, 3);
 
-        if (!ofs.is_open()) {
-                con_warn << "Could not write " << shortname << std::endl;
-                return;
-        }
+	glReadPixels(0, 0, (GLsizei) video::width, (GLsizei) video::height, 
+		GL_RGB, GL_UNSIGNED_BYTE, (void *) image.data());
 
-	// TGA header
-	// TODO: RL-encoding, image ID 
-
-	// note: see http://www.fileformat.info/format/tga/egff.htm
-	unsigned char header[18];
-	memset(header, 0, sizeof(header));
-	
-	// byte 0 	- image ID field lenght		= 0 (no image ID field present)
-	// byte 1 	- color map type 		= 0 (no palette present)
-	// byte 2 	- image type 			= 2 (truecolor without RLE)
-	header[2] = 2;
-	// byte 3-11	- palette data (not used)
-	// byte 12+13	- image width
-	header[12] = (video::width & 0xff);
-	header[13] = ((video::width >> 8) & 0xff);
-	// byte 14+15	- image height
-	header[14] = (video::height & 0xff);
-	header[15] = ((video::height >> 8) & 0xff);
-	// byte 16	- image color depth		= 24 (RGB)
-	header[16] = 24;
-	// byte 17	- image descriptor byte
-	header[17] = 0;
-
-        // allocate buffer to hold the RGB data
-        unsigned char *rgb_data = (unsigned char *) malloc(video::width * video::height * 3);
-	
-	// read OpenGL pixels into the buffer
-	//glReadBuffer(GL_BACK);
-	glReadPixels(0, 0, (GLsizei) video::width, (GLsizei) video::height, GL_RGB, GL_UNSIGNED_BYTE, (void *) rgb_data);
-
-	// either OpenGL actually returns BGR, or TGA wants BGR
-	for (size_t i = 0; i < (size_t) (video::width * video::height); i++) {
-		unsigned char tmp = rgb_data[i*3];
-		rgb_data[i*3] = rgb_data[i*3+2];
-		rgb_data[i*3+2] = tmp;
-	}
-
-	ofs.write((char *)header, sizeof(header));
-	ofs.write((char *)rgb_data, video::width * video::height * 3 );
-
-	// free the buffer
-	free(rgb_data);
-
-        // close file
-        ofs.close();
-        con_print << "Wrote " << shortname << std::endl;
+	render::TGA::save(filename.c_str(), image);
 }
 
 
-- 
cgit v1.2.3