From 01a4f2c8c28af1fd4bd973c430c087f1b9a25a22 Mon Sep 17 00:00:00 2001
From: hackbard <hackbard>
Date: Sun, 16 Feb 2003 00:55:59 +0000
Subject: [PATCH] -

---
 dfb_api.c | 62 +++++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 49 insertions(+), 13 deletions(-)

diff --git a/dfb_api.c b/dfb_api.c
index 14c3cda..00bc88c 100644
--- a/dfb_api.c
+++ b/dfb_api.c
@@ -19,21 +19,22 @@ IDirectFB *dfb = NULL;
 
 IDirectFBSurface *primary = NULL;
 IDirectFBSurface *logo = NULL;
-IDirectFBSurface *subsurface = NULL;
+IDirectFBSurface *video = NULL;
 IDirectFBSurface *window = NULL;
 
 IDirectFBImageProvider *image_provider = NULL;
 IDirectFBVideoProvider *video_provider = NULL;
 
-static int screen_width  = 0;
-static int screen_height = 0;
+int screen_width  = 0;
+int screen_height = 0;
 
 char dfb_video_dev[]="/dev/v4l/video0";
 char text_top[]="Internet Video / Audio Conferencing";
 char dfb_image[]="./images/ivac_logo.png";
 char dfb_font[]="./fonts/decker.ttf";
 
-/* small api */
+/* small api - directfb usage kinda sux: foo->bar(foo,...) wtf?!?!?! */
+
 int dfb_init(int *argc,char **argv) {
  DirectFBInit(argc,&argv);
  DirectFBCreate(&dfb);
@@ -56,17 +57,47 @@ int create_primary_surface(void) {
  return 1;
 }
 
-int show_image(IDirectFBSurface *surface) {
+int get_surface_size(IDirectFBSurface *surface,int *width,int *height) {
+ surface->GetSize(surface,width,height);
+ return 1;
+}
+
+int get_primary_surface_size(void) {
+ get_surface_size(primary,&screen_width,&screen_height);
+ return 1;
+}
+
+int create_logo_surface(void) {
+ DFBSurfaceDescription desc;
+ DFBImageDescription image_desc;
  dfb->CreateImageProvider(dfb,dfb_image,&image_provider);
- image_provider->RenderTo(image_provider,surface,NULL);
+ image_provider->GetSurfaceDescription(image_provider,&desc);
+ image_provider->GetImageDescription(image_provider,&image_desc);
+ printf("image description: caps=%x red=%hhd green=%hhd blue=%hhd\n",image_desc.caps,
+							image_desc.colorkey_r,
+							image_desc.colorkey_g,
+							image_desc.colorkey_b);
+ dfb->CreateSurface(dfb,&desc,&logo);
+ image_provider->RenderTo(image_provider,logo,NULL);
  image_provider->Release(image_provider);
  return 1;
 }
-
-int play_video(IDirectFBSurface *surface) {
+ 
+int create_video_surface(void) {
+ DFBSurfaceDescription desc;
+ DFBVideoProviderCapabilities caps;
  dfb->CreateVideoProvider(dfb,dfb_video_dev,&video_provider);
- video_provider->PlayTo(video_provider,surface,NULL,NULL,NULL);
- // video_provider->Release(video_provider);
+ video_provider->GetSurfaceDescription(video_provider,&desc);
+ video_provider->GetCapabilities(video_provider,&caps);
+ printf("video capabilities: %x\n",caps);
+ dfb->CreateSurface(dfb,&desc,&video);
+ video_provider->PlayTo(video_provider,video,NULL,NULL,NULL);
+ video_provider->Release(video_provider);
+ return 1;
+}
+
+int clear_screen(IDirectFBSurface *surface) {
+ surface->FillRectangle(surface,0,0,screen_width,screen_height);
  return 1;
 }
 
@@ -89,11 +120,16 @@ int main (int argc, char **argv) {
  check_accel();
 
  create_primary_surface();
+ printf("primary surface created\n");
+
+ // create_video_surface();
+ create_logo_surface();
+
+ get_primary_surface_size();
 
- // play_video(primary);
- show_image(primary);
+ clear_screen(primary);
 
- primary->Flip(primary,NULL,DSFLIP_WAITFORSYNC);
+ // primary->Flip(primary,NULL,DSFLIP_WAITFORSYNC);
 
  sleep(5);
 
-- 
2.20.1