X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=old%2Fdfb_api.c;fp=old%2Fdfb_api.c;h=6f28b59a900716d8ba68c40e30cf6a637e0aeda8;hb=0e2dd277897f8959e363564b91dd7d098fb4873c;hp=0000000000000000000000000000000000000000;hpb=6b894156a6cd304f35a959d4388dfb1e1342e844;p=my-code%2Fivac.git

diff --git a/old/dfb_api.c b/old/dfb_api.c
new file mode 100644
index 0000000..6f28b59
--- /dev/null
+++ b/old/dfb_api.c
@@ -0,0 +1,191 @@
+/*
+ * dfb_api.c - api to dfb interface
+ */
+
+/* std includes */
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+/* dfb includes */
+#include <directfb.h>
+
+#include "dfb_api.h"
+
+#define MY_FONT_HEIGHT 18
+
+/* global stuff */
+
+/* well ... */
+IDirectFB *dfb = NULL;
+
+IDirectFBSurface *primary = NULL;
+IDirectFBSurface *logo = NULL;
+IDirectFBSurface *video = NULL;
+IDirectFBSurface *window = NULL;
+
+IDirectFBImageProvider *image_provider = NULL;
+IDirectFBVideoProvider *video_provider = NULL;
+
+int screen_width  = 0;
+int screen_height = 0;
+
+char dfb_video_dev[]=VIDEO_DEV;
+char text_top[]="Internet Video / Audio Conferencing";
+char dfb_image[]="./images/ivac_logo.png";
+char dfb_font[]="./fonts/decker.ttf";
+
+/* variable definitions */
+// struct user_info {
+ 
+
+/* functions */
+
+int dfb_init(int *argc,char **argv) {
+ DirectFBInit(argc,&argv);
+ DirectFBCreate(&dfb);
+ dfb->SetCooperativeLevel(dfb,DFSCL_FULLSCREEN);
+ return 1;
+}
+
+int check_accel(void) {
+ DFBCardCapabilities caps;
+ dfb->GetCardCapabilities(dfb,&caps);
+ return (caps.acceleration_mask);
+}
+
+int create_primary_surface(void) {
+ DFBSurfaceDescription desc;
+ memset(&desc,0,sizeof(DFBSurfaceDescription));
+ desc.flags=DSDESC_CAPS;
+ desc.caps=DSCAPS_PRIMARY|DSCAPS_FLIPPING;
+ dfb->CreateSurface(dfb,&desc,&primary);
+ return 1;
+}
+
+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->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 create_video_surface(void) {
+ float q;
+ DFBSurfaceDescription desc;
+ DFBVideoProviderCapabilities caps;
+ dfb->CreateVideoProvider(dfb,dfb_video_dev,&video_provider);
+ video_provider->GetSurfaceDescription(video_provider,&desc);
+ q=(((float)screen_height/desc.height>=(float)screen_width/desc.width)?
+  (float)screen_height/desc.height:(float)screen_width/desc.width);
+ desc.width=(int)(screen_width/q);
+ desc.height=(int)(screen_height/q);
+ video_provider->GetCapabilities(video_provider,&caps);
+ printf("video capabilities: %x\n",caps);
+ dfb->CreateSurface(dfb,&desc,&video);
+ video_provider->PlayTo(video_provider,video,NULL,video_callback,NULL);
+ video_provider->Release(video_provider);
+ return 1;
+}
+
+int clear_screen(IDirectFBSurface *surface) {
+ surface->FillRectangle(surface,0,0,screen_width,screen_height);
+ return 1;
+}
+
+int release_surface(IDirectFBSurface *surface) {
+ surface->Release(surface);
+ return 1;
+}
+
+int release_dfb(void) {
+ dfb->Release(dfb);
+ return 1;
+}
+
+int blit_surface(IDirectFBSurface *source,int x,int y) {
+ primary->Blit(primary,source,NULL,x,y);
+ return 1;
+}
+
+int blit_logo(void) {
+ int x,y;
+ get_surface_size(logo,&x,&y);
+ printf("size of logo width/height: %d/%d\n",x,y);
+ blit_surface(logo,((screen_width-x)/2),((screen_height-y)/2));
+ return 1;
+}
+
+int blit_video(void) {
+ int x,y;
+ get_surface_size(video,&x,&y);
+ printf("size of logo width/height: %d/%d\n",x,y);
+ // blit_surface(video,((screen_width-x)/2),((screen_height-y)/2));
+ blit_surface(video,0,0);
+ return 1;
+}
+
+int flip_it(void) {
+ primary->Flip(primary,NULL,DSFLIP_WAITFORSYNC);
+ return 1;
+}
+
+DVFrameCallback video_callback(void) {
+ puts("callback flip");
+ flip_it;
+ return DFENUM_OK;
+}
+
+/* test api app */
+int main (int argc, char **argv) {
+
+ dfb_init(&argc,argv);
+
+ check_accel();
+
+ create_primary_surface();
+
+ // create_video_surface();
+ create_logo_surface();
+
+ get_primary_surface_size();
+ printf("primary surface width/height: %d/%d\n",screen_width,screen_height);
+
+ clear_screen(primary);
+
+ puts("main: blit video");
+ // blit_video();
+ blit_logo();
+
+ // puts("main: flip");
+ flip_it();
+
+ sleep(10);
+
+ release_surface(logo);
+
+ release_surface(primary);
+
+ release_dfb();
+
+ return 1;
+}