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pymol-open-source/layer1/Scene.h
2025-01-04 21:08:08 -05:00

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C++

/*
A* -------------------------------------------------------------------
B* This file contains source code for the PyMOL computer program
C* copyright 1998-2000 by Warren Lyford Delano of DeLano Scientific.
D* -------------------------------------------------------------------
E* It is unlawful to modify or remove this copyright notice.
F* -------------------------------------------------------------------
G* Please see the accompanying LICENSE file for further information.
H* -------------------------------------------------------------------
I* Additional authors of this source file include:
-*
-*
-*
Z* -------------------------------------------------------------------
*/
#ifndef _H_Scene
#define _H_Scene
#include"Base.h"
#include"PyMOLObject.h"
#include"Ortho.h"
#include"View.h"
#include"Result.h"
#include"SceneView.h"
#include"SceneDef.h"
#include"SceneRender.h"
#include"ShaderMgr.h"
#include"pymol/zstring_view.h"
#include <vector>
#define SDOF_NORMAL_MODE 0
#define SDOF_CLIP_MODE 1
#define SDOF_DRAG_MODE 2
// TODO: define remaining cSceneRay_MODEs (VRML, COLLADA, etc.)
#define cSceneRay_MODE_IDTF 7
#define cSceneImage_Default -1
#define cSceneImage_Normal 0
#define cSceneImage_Draw 1
#define cSceneImage_Ray 2
#define SceneScrollBarMargin DIP2PIXEL(1)
#define SceneScrollBarWidth DIP2PIXEL(13)
#define SceneGetExactScreenVertexScale SceneGetScreenVertexScale
enum class SceneClipMode {
Invalid = -1,
Near = 0,
Far = 1,
Move = 2,
Slab = 3,
Atoms = 4,
Scaling = 5,
Proportional = 6,
Linear = 7,
Near_Set = 8,
Far_Set = 9,
};
float SceneGetDynamicLineWidth(RenderInfo * info, float line_width);
void SceneInvalidateStencil(PyMOLGlobals * G);
int SceneHasImage(PyMOLGlobals * G);
int SceneInit(PyMOLGlobals * G);
void SceneUpdate(PyMOLGlobals * G, int force);
int SceneRenderCached(PyMOLGlobals * G);
int SceneSetFog(PyMOLGlobals *G);
void SceneSetFogUniforms(PyMOLGlobals * G, CShaderPrg *);
void SceneSetFrame(PyMOLGlobals * G, int mode, int frame);
int SceneGetFrame(PyMOLGlobals * G);
int SceneGetState(PyMOLGlobals * G);
void SceneDirty(PyMOLGlobals * G); /* scene dirty, but leave the overlay if one exists */
void SceneInvalidate(PyMOLGlobals * G); /* scene dirty and remove the overlay */
void SceneChanged(PyMOLGlobals * G); /* update 3D objects */
int SceneCountFrames(PyMOLGlobals * G);
int SceneGetNFrame(PyMOLGlobals * G, int *has_movie=nullptr);
void SceneSetMatrix(PyMOLGlobals * G, float *);
float *SceneGetMatrix(PyMOLGlobals * G);
float *SceneGetPmvMatrix(PyMOLGlobals * G);
float SceneGetScreenVertexScale(PyMOLGlobals * G, const float *v1);
bool SceneGetVisible(PyMOLGlobals * G, const float *v1);
float SceneGetDepth(PyMOLGlobals * G, const float *v1);
float SceneGetRawDepth(PyMOLGlobals * G, const float *v1);
void SceneIdle(PyMOLGlobals * G);
void SceneFree(PyMOLGlobals * G);
int SceneGetDrawFlagGrid(PyMOLGlobals * G, GridInfo * grid, int slot);
int SceneDeferRay(PyMOLGlobals * G,
int ray_width,
int ray_height,
int mode,
float angle, float shift, int quiet, int show_timing, int antialias);
int SceneMakeMovieImage(PyMOLGlobals * G,
int show_timing, int validate, int mode,
int width=0, int height=0);
int SceneValidateImageMode(PyMOLGlobals * G, int mode, bool defaultdraw);
bool ScenePNG(PyMOLGlobals* G, pymol::zstring_view png, float dpi, int quiet,
int prior_only, int format, std::vector<unsigned char>* outbuf = nullptr);
int SceneCopyExternal(PyMOLGlobals * G, int width, int height, int rowbytes,
unsigned char *dest, int mode);
void SceneResetMatrix(PyMOLGlobals * G);
void SceneRestartFrameTimer(PyMOLGlobals * G);
void SceneGetEyeNormal(PyMOLGlobals * G, float *v1, float *normal);
void SceneRotateAxis(PyMOLGlobals * G, float angle, char axis);
void SceneRotate(
PyMOLGlobals* G, float angle, float x, float y, float z, bool dirty = true);
void SceneTranslate(PyMOLGlobals * G, float x, float y, float z);
void SceneTranslateScaled(PyMOLGlobals * G, float x, float y, float z, int sdof_mode);
void SceneRotateScaled(PyMOLGlobals * G, float rx, float ry, float rz, int sdof_mode);
void SceneClip(PyMOLGlobals * G, SceneClipMode plane, float movement, const char *sele, int state);
pymol::Result<> SceneClipFromMode(PyMOLGlobals* G, pymol::zstring_view mode, float movement,
pymol::zstring_view sele, int state);
pymol::Result<std::pair<float, float>> SceneGetClip(PyMOLGlobals* G);
std::pair<int, int> SceneGetImageSize(PyMOLGlobals * G);
float SceneGetGridAspectRatio(PyMOLGlobals * G);
void SceneScale(PyMOLGlobals * G, float scale);
void SceneResetNormalCGO(PyMOLGlobals * G, CGO *cgo, int lines);
void SceneResetNormal(PyMOLGlobals * G, int lines);
void SceneResetNormalUseShader(PyMOLGlobals * G, int lines, short use_shader);
void SceneResetNormalToViewVector(PyMOLGlobals * G, short use_shader);
void SceneResetNormalUseShaderAttribute(PyMOLGlobals * G, int lines, short use_shader, int attr);
void SceneGetResetNormal(PyMOLGlobals * G, float *normal, int lines);
int SceneObjectAdd(PyMOLGlobals * G, pymol::CObject* obj);
int SceneObjectDel(PyMOLGlobals * G, pymol::CObject* obj, int allow_purge);
/**
* @brief removes object from Scene
* @param obj Object to be removed
* @return if Object removed--always true if obj==nullptr
*/
bool SceneObjectRemove(PyMOLGlobals* G, pymol::CObject* obj);
int SceneObjectIsActive(PyMOLGlobals* G, pymol::CObject* obj);
void SceneOriginSet(PyMOLGlobals * G, const float *origin, int preserve);
void SceneOriginGet(PyMOLGlobals * G, float *origin);
void SceneWindowSphere(PyMOLGlobals * G, const float *location, float radius);
void SceneRelocate(PyMOLGlobals * G, const float *location);
Block *SceneGetBlock(PyMOLGlobals * G);
void SceneApplyMatrix(PyMOLGlobals * G, float *m);
void SceneSetStereo(PyMOLGlobals * G, bool flag);
int SceneGetStereo(PyMOLGlobals * G);
void SceneDontCopyNext(PyMOLGlobals * G);
void SceneGetViewNormal(PyMOLGlobals * G, float *v);
void SceneClipSet(PyMOLGlobals * G, float front, float back);
void SceneGetView(PyMOLGlobals * G, SceneViewType view);
void SceneSetView(PyMOLGlobals * G, const SceneViewType view,
int quiet, float animate, int hand);
void SceneRestartSweepTimer(PyMOLGlobals * G);
int SceneViewEqual(SceneViewType left, SceneViewType right);
void SceneToViewElem(PyMOLGlobals * G, CViewElem * elem, const char *scene_name);
void SceneFromViewElem(PyMOLGlobals * G, CViewElem * elem, int dirty);
void SceneGetCenter(PyMOLGlobals * G, float *pos);
void SceneGetWidthHeight(PyMOLGlobals * G, int *width, int *height);
Extent2D SceneGetExtentStereo(PyMOLGlobals* G);
void SceneInvalidateCopy(PyMOLGlobals * G, int free_buffer);
void SceneSetCardInfo(PyMOLGlobals * G, const char *vendor, const char *renderer, const char *version);
void SceneGetCardInfo(PyMOLGlobals * G, char **vendor, char **renderer, char **version);
int SceneLoadPNG(PyMOLGlobals * G, const char *fname, int movie_flag, int stereo, int quiet);
void SceneSetDefaultView(PyMOLGlobals * G);
void SceneRovingDirty(PyMOLGlobals * G);
int SceneRovingCheckDirty(PyMOLGlobals * G);
void SceneRovingUpdate(PyMOLGlobals * G);
void SceneRovingChanged(PyMOLGlobals * G);
void SceneRovingPostpone(PyMOLGlobals * G);
int SceneReinitialize(PyMOLGlobals * G);
void SceneUpdateStereoMode(PyMOLGlobals * G);
void SceneSuppressMovieFrame(PyMOLGlobals * G);
int SceneDeferClick(Block * block, int button, int x, int y, int mod);
int SceneDeferDrag(Block * block, int x, int y, int mod);
/**
* If we have a current OpenGL context, render the image immediately.
* Otherwise, defer the rendering.
*
* @param extent requested extent in Pixels
* @param filename image filename
* @param antialias antialiasing level (via Supersampling not via shader)
* @param dpi image resolution in dots per inch
* @param format image format
* @param quiet suppress messages
* @param[out] out_img image data
* @return true if rendering was deferred, false if it was rendered immediately.
*/
bool SceneDeferImage(PyMOLGlobals* G, const Extent2D& extent,
const char* filename, int antialias, float dpi, int format, int quiet,
pymol::Image* out_img);
const char *SceneGetSeleModeKeyword(PyMOLGlobals * G);
void SceneUpdateStereo(PyMOLGlobals * G);
float ScenePushRasterMatrix(PyMOLGlobals * G, float *v);
void ScenePopRasterMatrix(PyMOLGlobals * G);
void ScenePrimeAnimation(PyMOLGlobals * G);
void SceneLoadAnimation(PyMOLGlobals * G, double duration, int hand);
int SceneMustDrawBoth(PyMOLGlobals * G);
float SceneGetReflectScaleValue(PyMOLGlobals * G, int limit = 8);
float SceneGetSpecularValue(PyMOLGlobals * G, float spec, int limit = 8);
void SceneGetAdjustedLightValues(PyMOLGlobals * G,
float *ptr_spec,
float *ptr_spec_power,
float *ptr_spec_direct,
float *ptr_spec_direct_power,
int limit = 8);
void SceneAbortAnimation(PyMOLGlobals * G);
void SceneObjectUpdateThread(CObjectUpdateThreadInfo * T);
int SceneCaptureWindow(PyMOLGlobals * G);
void SceneZoom(PyMOLGlobals * G, float scale);
int SceneGetTwoSidedLighting(PyMOLGlobals * G);
int SceneGetTwoSidedLightingSettings(PyMOLGlobals * G, const CSetting *set1, const CSetting *set2);
float SceneGetLineWidthForCylinders(PyMOLGlobals * G, RenderInfo * info, float line_width);
float SceneGetLineWidthForCylindersStatic(PyMOLGlobals * G, RenderInfo * info, float dynamic_line_width_arg, float line_width);
void ScenePushModelViewMatrix(PyMOLGlobals * G);
void ScenePopModelViewMatrix(PyMOLGlobals * G, bool);
glm::mat4& SceneGetModelViewMatrix(PyMOLGlobals * G);
float* SceneGetModelViewMatrixPtr(PyMOLGlobals* G);
glm::mat4& SceneGetProjectionMatrix(PyMOLGlobals* G);
float* SceneGetProjectionMatrixPtr(PyMOLGlobals* G);
void SceneSetBackgroundColorAlreadySet(PyMOLGlobals * G, int);
int SceneGetBackgroundColorAlreadySet(PyMOLGlobals * G);
void SceneSetDoNotClearBackground(PyMOLGlobals * G, int);
int SceneGetDoNotClearBackground(PyMOLGlobals * G);
void SceneProgramLighting(PyMOLGlobals * G, CShaderPrg * shaderPrg = nullptr);
void SceneGLClear(PyMOLGlobals * G, GLbitfield mask);
void SceneUpdateAnimation(PyMOLGlobals * G);
void SceneSetupGLPicking(PyMOLGlobals * G);
int SceneDrawImageOverlay(PyMOLGlobals * G, int override , CGO *orthoCGO);
int SceneIncrementTextureRefreshes(PyMOLGlobals * G);
void SceneResetTextureRefreshes(PyMOLGlobals * G);
void SceneGetScaledAxes(
PyMOLGlobals* G, pymol::CObject* obj, float* xn, float* yn);
void SceneGetScaledAxesAtPoint(PyMOLGlobals * G, float *pt, float *xn, float *yn);
int SceneGetCopyType(PyMOLGlobals * G);
void SceneGenerateMatrixToAnotherZFromZ(PyMOLGlobals *G, float *convMatrix, float *curpt, float *pt);
void SceneAdjustZtoScreenZ(PyMOLGlobals *G, float *pos, float z);
float SceneGetCurrentBackSafe(PyMOLGlobals *G);
float SceneGetCurrentFrontSafe(PyMOLGlobals *G);
void SceneSetPointToWorldScreenRelative(PyMOLGlobals *G, float *pos, float *screenPt);
int StereoIsAdjacent(PyMOLGlobals * G);
/**
* Retrieves number of slot in grid
* @param grid_mode grid mode
* @return number of slots in grid
*/
int SceneGetGridSize(PyMOLGlobals* G, GridMode grid_mode);
/**
* Updates the Grid slot extents
* @param I grid to update
* @param asp_ratio aspect ratio of screen to display grid
* @param grid_mode grid mode
* @param size size of grid
*/
void GridUpdate(GridInfo* I, float asp_ratio, GridMode mode, int size);
Rect2D GridSetRayViewport(GridInfo& I, int slot);
int SceneGetDrawFlag(GridInfo * grid, int *slot_vla, int slot);
void SceneApplyImageGamma(PyMOLGlobals * G, unsigned int *buffer, int width,
int height);
SceneUnitContext ScenePrepareUnitContext(const Extent2D& extent);
float GetFovWidth(PyMOLGlobals * G);
void ScenePrepareMatrix(PyMOLGlobals * G, int mode, int stereo_mode = 0);
/**
* @brief copies the pixels rendered to the scene to Scene::Image
* @param config framebuffer to copy from
* @param force force copying
* @param entire_window copy entire window
*/
void SceneCopy(PyMOLGlobals * G, GLFramebufferConfig config, int force, int entire_window);
// FIXME use pymol matrices
void SceneGetModel2WorldMatrix(PyMOLGlobals * G, float *matrix);
void SceneSetModel2WorldMatrix(PyMOLGlobals * G, float const *matrix);
float SceneGetScale(PyMOLGlobals * G);
void ScenePickAtomInWorld(PyMOLGlobals * G, int x, int y, float *atomWorldPos);
void SceneInvalidatePicking(PyMOLGlobals * G);
pymol::Image* SceneImagePrepare(PyMOLGlobals * G, bool prior_only);
void SceneDoRoving(PyMOLGlobals * G, float old_front,
float old_back, float old_origin,
int adjust_flag, int zoom_flag);
void UpdateFrontBackSafe(CScene *I);
int stereo_via_adjacent_array(int stereo_mode);
std::shared_ptr<pymol::Image> SceneGetSharedImage(PyMOLGlobals* G);
/**
* Creates a sized image of the current workspace
* @width width of the image
* @height height of the image
* @antialias antialiasing level
* @excludeSelections exclude selections from the image
* @renderWhich renders classes of objects to the image
*/
pymol::Result<> SceneMakeSizedImage(PyMOLGlobals* G, Extent2D extent,
int antialias, bool excludeSelections,
SceneRenderWhich renderWhich = SceneRenderWhich::All);
void SceneSetViewport(PyMOLGlobals* G, const Rect2D& rect);
void SceneSetViewport(PyMOLGlobals* G, int x, int y, int width, int height);
Rect2D SceneGetViewport(PyMOLGlobals* G);
/**
* Get the maximum dimensions of the viewport
* @return the maximum dimensions of OpenGL viewport
*/
Extent2D SceneGLGetMaxDimensions(PyMOLGlobals* G);
/**
* @return Retrieves the Scene's rect extent
*/
Extent2D SceneGetExtent(PyMOLGlobals* G);
/**
* @brief Sets the Scene's layout rect
* @param extent Scene's layout rect
*/
void SceneSetExtent(PyMOLGlobals* G, const Extent2D& extent);
/**
* @brief Retrieves the Scene's layout rect
* @return Scene's layout rect
*/
Rect2D SceneGetRect(PyMOLGlobals* G);
float SceneGetAspectRatio(PyMOLGlobals* G);
GLFramebufferConfig SceneDrawBothGetConfig(PyMOLGlobals* G);
/**
* Clamps the extent to the maximum dimensions
* @param extent the extent to clamp
* @param maxDim the maximum dimensions
* @return the clamped extent (scaled to keep aspect ratio if exceed max)
*/
Extent2D ExtentClampByAspectRatio(Extent2D extent, const Extent2D& maxDim);
struct UpscaledExtentInfo
{
Extent2D extent;
int factor;
int shift;
};
/**
* @brief Returns scaling information for super-sampled antialias
* @param extent the extent to upscale
* @param maxExtent the maximum extent (typically max of viewport)
* @param antialias the antialiasing factor
* @note max upscaling is 4X
*/
UpscaledExtentInfo ExtentGetUpscaleInfo(
PyMOLGlobals* G, Extent2D extent, const Extent2D& maxExtent, int antialias);
/**
* @brief Copies a portion of a pymol::Image onto another
* @param srcImage source image
* @param dstImage destination image
* @param srcRect source rectangle
* @param dstRect destination rectangle
*/
void PyMOLImageCopy(const pymol::Image& srcImage,
pymol::Image& dstImage, const Rect2D& srcRect, const Rect2D& dstRect);
/**
* @brief Returns a CPU image copy of the framebuffer attachment
* @param config framebuffer configuration
* @param srcRect source Rect from GL buffer to copy from
* @return CPU image copy of the framebuffer attachment/buffer
*/
pymol::Image GLImageToPyMOLImage(
PyMOLGlobals* G, const GLFramebufferConfig& config, const Rect2D& srcRect);
#endif