additional Andrew provided Termux mods +

[goodguy/cinelerra.git] / cinelerra-5.1 / guicast / vframe.h

diff --git a/cinelerra-5.1/guicast/vframe.h b/cinelerra-5.1/guicast/vframe.h
index af8040a52701d29dc3b991cd2a04b59a1c402365..dc907821efca0fb90f721cb444b6c9127bc21994 100644 (file)
--- a/cinelerra-5.1/guicast/vframe.h
+++ b/cinelerra-5.1/guicast/vframe.h
@@ -29,13 +29,19 @@
 #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
@@ -50,6 +56,7 @@ public:
 class VFrame
 {
        friend class VFramePng;
+       friend class VFrameJpeg;
        friend class PngReadFunction;
 public:
 // Create new frame with shared data if *data is nonzero.
@@ -140,7 +147,8 @@ public:
                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
@@ -291,6 +299,11 @@ public:
 // 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.
@@ -337,16 +350,20 @@ public:
        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);
@@ -400,7 +417,7 @@ private:
        {
                PRIVATE,
                SHARED,
-               SHMGET
+               SHM_GET
        };
 
 // Data pointer is pointing to someone else's buffer.
@@ -432,6 +449,8 @@ private:
        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;
@@ -468,4 +487,21 @@ public:
        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