usermode/axwin4 - Blit to screen planned

[tpg/acess2.git] / Usermode / Applications / axwin4_src / Server / video.cpp

diff --git a/Usermode/Applications/axwin4_src/Server/video.cpp b/Usermode/Applications/axwin4_src/Server/video.cpp
index a394922..6fde7aa 100644 (file)
--- a/Usermode/Applications/axwin4_src/Server/video.cpp
+++ b/Usermode/Applications/axwin4_src/Server/video.cpp
@@ -5,17 +5,39 @@
  * video.cpp
  * - Graphics output
  */
+#include <cstddef>
 #include <video.hpp>
+#include <common.hpp>
 
-namespace AxWin {
+extern "C" {
+#include <acess/sys.h>
+#include <acess/devices/pty.h>
+}
 
-namespace Graphics {
+namespace AxWin {
 
-void Initialise(const CConfigVideo& config)
+CVideo::CVideo(const CConfigVideo& config):
+       m_fd(0)
 {
+       {
+               if( _SysIOCtl(m_fd, DRV_IOCTL_TYPE, NULL) != DRV_TYPE_TERMINAL )
+                       throw AxWin::InitFailure("stdin isn't a terminal");
+               struct ptydims  dims;
+               if( _SysIOCtl(m_fd, PTY_IOCTL_GETDIMS, &dims) == -1 )
+                       throw AxWin::InitFailure("Failed to get dimensions from stdin");
+               m_width = dims.PW;
+               m_height = dims.PH;
+               if( m_width == 0 || m_height == 0 )
+                       throw AxWin::InitFailure("Terminal not capable of graphics");
+       }
 }
 
-};
+void CVideo::BlitLine(const uint32_t* src, unsigned int dst_y, unsigned int dst_x, unsigned int width)
+{
+       //_SysWriteAt(m_fd, (dst_y * m_width + dst_x) * 4, width * 4, src);
+       _SysSeek(m_fd, (dst_y * m_width + dst_x) * 4, SEEK_SET);
+       _SysWrite(m_fd, src, width * 4);
+}
 
 };     // namespace AxWin