#include "bctexture.inc"
#include "bcwindowbase.inc"
#include "bccmodels.h"
-#include "bccmodels.h"
#include "vframe.inc"
// Maximum number of prev or next effects to be pushed onto the stacks.
#define MAX_STACK_ELEMENTS 255
#define SHM_MIN_SIZE 2048
+#define ALIAS_OFF 0
+#define ALIAS_TOP 1
+#define ALIAS_CTR 2
+#define ALIAS_BOT 4
+#define ALIAS_DBL 5
+#define ALIAS_NRM 6
+
// Scene graph for 3D models
// Defined by the subclass
class VFrameScene
class VFrame
{
friend class VFramePng;
+ friend class VFrameJpeg;
friend class PngReadFunction;
public:
// Create new frame with shared data if *data is nonzero.
int data_size,
int data_allocated);
-// Write a PNG for debugging
+// Write a PNG/PPM for debugging
int write_png(const char *path);
+ static void write_ppm(VFrame *vfrm, const char *fmt, ...);
+ void write_ppm(const char *path) { write_ppm(this, "%s", path); }
+//static int n = 0; write_ppm(vframe, "/tmp/data/f%05d", ++n);
// if frame points to the same data as this return 1
int equals(VFrame *frame);
return transfer_from(frame, bg_color, 0,0, frame->get_w(),frame->get_h());
}
// Required for YUV
- int clear_frame();
+ void black_frame();
+ void clear_frame();
int allocate_compressed_data(long bytes);
// Sequence number. -1 means invalid. Passing frames to the encoder is
BC_PBuffer* get_pbuffer();
// Bind the frame's texture to GL_TEXTURE_2D and enable it.
-// If a texture_unit is supplied, the texture unit is made active
-// and the commands are run in the right sequence to
-// initialize it to our preferred specifications.
- void bind_texture(int texture_unit = -1);
-
-
+ void bind_texture(int texture_unit, int nearest=0);
// Create a frustum with 0,0 in the upper left and w,-h in the bottom right.
// Set preferred opengl settings.
// Calls init_screen with the current frame's dimensions.
void init_screen();
+// color used by clear_frame, default -1 (unset) which clears to BLACK
+ void set_clear_color(int color, int alpha);
+ int get_clear_color();
+ int get_clear_alpha();
+
// Compiles and links the shaders into a program.
// Adds the program with put_shader.
// Returns the program handle.
void copy_stacks(VFrame *src);
// Updates the params with values from src
void copy_params(VFrame *src);
-
// This clears the stacks and the param table
void clear_stacks();
- virtual int draw_pixel(int x, int y);
- int pixel_rgb, pixel_yuv, stipple;
+// pixel drawing
+ virtual int draw_pixel(float x, float y, float a=1.f);
+ virtual int draw_pixel(float x, float y, float frac, int axis);
+ void set_draw_alpha(float a);
+ void set_draw_flags(int flags);
+ int pixel_rgb, pixel_yuv, stipple, draw_flags;
+ float draw_alpha;
void set_pixel_color(int rgb, int a=0xff);
void set_stiple(int mask);
- void draw_line(int x1, int y1, int x2, int y2);
+ void draw_line(float x1, float y1, float x2, float y2);
void draw_smooth(int x1, int y1, int x2, int y2, int x3, int y3);
void smooth_draw(int x1, int y1, int x2, int y2, int x3, int y3);
void draw_rect(int x1, int y1, int x2, int y2);
unsigned char *a;
// Dimensions of frame
int w, h;
+// color used by clear_frame
+ int clear_color, clear_alpha;
// Info for reading png images
const unsigned char *image;
long image_offset;
static VFrame *vframe_png(const char *png_path, double xs=1, double ys=1);
};
+// Create a frame with the jpeg image
+// jpeg_model must be BC_RGB888, BC_YUV888, or BC_GREY8
+class VFrameJpeg : public VFrame
+{
+// Read a JPEG into the frame (no alpha)
+ int read_jpeg(const unsigned char *data, long sz,
+ double xscale, double yscale, int jpeg_model);
+public:
+ VFrameJpeg(const unsigned char *jpeg_data, double s=0);
+ VFrameJpeg(const unsigned char *jpeg_data, long image_size, double xs=0, double ys=0);
+ virtual ~VFrameJpeg();
+ static VFrame *vframe_jpeg(int fd,
+ double xs=1, double ys=1, int jpeg_model=BC_RGB888);
+ static VFrame *vframe_jpeg(const char *jpeg_path,
+ double xs=1, double ys=1, int jpeg_model=BC_RGB888);
+};
+
#endif